diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2022-04-11 16:01:56 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2022-04-11 16:01:56 +0300 |
| commit | 83970cd63b9f864525761137b500113ab0b49c94 (patch) | |
| tree | 747b97113d60666cbb44f8a5633b961b7eda3c86 /drivers/gpu/drm/i915 | |
| parent | 618f5df1f6a5a3f29fad824116da291a7d14ab5e (diff) | |
| parent | 3123109284176b1532874591f7c81f3837bbdc17 (diff) | |
Merge drm/drm-next into drm-intel-next
Sync up with v5.18-rc1, in particular to get 5e3094cfd9fb
("drm/i915/xehpsdv: Add has_flat_ccs to device info").
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
73 files changed, 2298 insertions, 625 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index 42b5400f0fef..98c5450b8eac 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -3,6 +3,7 @@ config DRM_I915 tristate "Intel 8xx/9xx/G3x/G4x/HD Graphics" depends on DRM depends on X86 && PCI + depends on !PREEMPT_RT select INTEL_GTT select INTERVAL_TREE # we need shmfs for the swappable backing store, and in particular diff --git a/drivers/gpu/drm/i915/Kconfig.unstable b/drivers/gpu/drm/i915/Kconfig.unstable index 0c2276155c2b..cf151a297ed7 100644 --- a/drivers/gpu/drm/i915/Kconfig.unstable +++ b/drivers/gpu/drm/i915/Kconfig.unstable @@ -19,11 +19,3 @@ config DRM_I915_UNSTABLE Recommended for driver developers _only_. If in the slightest bit of doubt, say "N". - -config DRM_I915_UNSTABLE_FAKE_LMEM - bool "Enable the experimental fake lmem" - depends on DRM_I915_UNSTABLE - default n - help - Convert some system memory into a fake local memory region for - testing. diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 1a771ee5b1d0..815589f8658c 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -18,6 +18,7 @@ subdir-ccflags-y += -Wno-unused-parameter subdir-ccflags-y += -Wno-type-limits subdir-ccflags-y += -Wno-missing-field-initializers subdir-ccflags-y += -Wno-sign-compare +subdir-ccflags-y += -Wno-shift-negative-value subdir-ccflags-y += $(call cc-disable-warning, unused-but-set-variable) subdir-ccflags-y += $(call cc-disable-warning, frame-address) subdir-ccflags-$(CONFIG_DRM_I915_WERROR) += -Werror diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c index fca8f5b3cffe..94e64661b4fd 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c +++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c @@ -1349,7 +1349,7 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); if (crtc_state->port_clock > 270000) { - if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) { + if (IS_TGL_UY(dev_priv)) { return intel_get_buf_trans(&tgl_uy_combo_phy_trans_dp_hbr2, n_entries); } else { diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index fd5bc7acf08d..2cd62a187df3 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -265,7 +265,7 @@ static int intelfb_create(struct drm_fb_helper *helper, struct intel_memory_region *mem = obj->mm.region; info->apertures->ranges[0].base = mem->io_start; - info->apertures->ranges[0].size = mem->total; + info->apertures->ranges[0].size = mem->io_size; /* Use fbdev's framebuffer from lmem for discrete */ info->fix.smem_start = diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 7087fdf191e6..5db83aaf93ee 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -671,6 +671,16 @@ set_proto_ctx_engines_parallel_submit(struct i915_user_extension __user *base, goto out_err; } + /* + * We don't support breadcrumb handshake on these + * classes + */ + if (siblings[n]->class == RENDER_CLASS || + siblings[n]->class == COMPUTE_CLASS) { + err = -EINVAL; + goto out_err; + } + if (n) { if (prev_engine.engine_class != ci.engine_class) { diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index efe69d6b86f4..c3ea243d414d 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -455,7 +455,7 @@ vm_access(struct vm_area_struct *area, unsigned long addr, return -EACCES; addr -= area->vm_start; - if (addr >= obj->base.size) + if (range_overflows_t(u64, addr, len, obj->base.size)) return -EINVAL; i915_gem_ww_ctx_init(&ww, true); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 9aad7ebde3e7..c1c3b510b9e2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -273,12 +273,6 @@ void __i915_gem_object_pages_fini(struct drm_i915_gem_object *obj) if (!list_empty(&obj->vma.list)) { struct i915_vma *vma; - /* - * Note that the vma keeps an object reference while - * it is active, so it *should* not sleep while we - * destroy it. Our debug code errs insits it *might*. - * For the moment, play along. - */ spin_lock(&obj->vma.lock); while ((vma = list_first_entry_or_null(&obj->vma.list, struct i915_vma, @@ -286,13 +280,7 @@ void __i915_gem_object_pages_fini(struct drm_i915_gem_object *obj) GEM_BUG_ON(vma->obj != obj); spin_unlock(&obj->vma.lock); - /* Verify that the vma is unbound under the vm mutex. */ - mutex_lock(&vma->vm->mutex); - atomic_and(~I915_VMA_PIN_MASK, &vma->flags); - __i915_vma_unbind(vma); - mutex_unlock(&vma->vm->mutex); - - __i915_vma_put(vma); + i915_vma_destroy(vma); spin_lock(&obj->vma.lock); } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 0098a32490f0..fd54eb8f4826 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -319,16 +319,23 @@ struct drm_i915_gem_object { #define I915_BO_ALLOC_PM_VOLATILE BIT(4) /* Object needs to be restored early using memcpy during resume */ #define I915_BO_ALLOC_PM_EARLY BIT(5) +/* + * Object is likely never accessed by the CPU. This will prioritise the BO to be + * allocated in the non-mappable portion of lmem. This is merely a hint, and if + * dealing with userspace objects the CPU fault handler is free to ignore this. + */ +#define I915_BO_ALLOC_GPU_ONLY BIT(6) #define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | \ I915_BO_ALLOC_VOLATILE | \ I915_BO_ALLOC_CPU_CLEAR | \ I915_BO_ALLOC_USER | \ I915_BO_ALLOC_PM_VOLATILE | \ - I915_BO_ALLOC_PM_EARLY) -#define I915_BO_READONLY BIT(6) -#define I915_TILING_QUIRK_BIT 7 /* unknown swizzling; do not release! */ -#define I915_BO_PROTECTED BIT(8) -#define I915_BO_WAS_BOUND_BIT 9 + I915_BO_ALLOC_PM_EARLY | \ + I915_BO_ALLOC_GPU_ONLY) +#define I915_BO_READONLY BIT(7) +#define I915_TILING_QUIRK_BIT 8 /* unknown swizzling; do not release! */ +#define I915_BO_PROTECTED BIT(9) +#define I915_BO_WAS_BOUND_BIT 10 /** * @mem_flags - Mutable placement-related flags * diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c index 183b861620b8..97c820eee115 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c @@ -358,6 +358,9 @@ void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj, !i915_gem_object_has_iomem(obj)) return ERR_PTR(-ENXIO); + if (WARN_ON_ONCE(obj->flags & I915_BO_ALLOC_GPU_ONLY)) + return ERR_PTR(-EINVAL); + assert_object_held(obj); pinned = !(type & I915_MAP_OVERRIDE); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_region.c b/drivers/gpu/drm/i915/gem/i915_gem_region.c index 60e63182bfa3..5866c88e4d02 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_region.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_region.c @@ -47,6 +47,11 @@ i915_gem_object_create_region(struct intel_memory_region *mem, GEM_BUG_ON(flags & ~I915_BO_ALLOC_FLAGS); + if (WARN_ON_ONCE(flags & I915_BO_ALLOC_GPU_ONLY && + (flags & I915_BO_ALLOC_CPU_CLEAR || + flags & I915_BO_ALLOC_PM_EARLY))) + return ERR_PTR(-EINVAL); + if (!mem) return ERR_PTR(-ENODEV); @@ -69,6 +74,17 @@ i915_gem_object_create_region(struct intel_memory_region *mem, if (!obj) return ERR_PTR(-ENOMEM); + /* + * Anything smaller than the min_page_size can't be freely inserted into + * the GTT, due to alignemnt restrictions. For such special objects, + * make sure we force memcpy based suspend-resume. In the future we can + * revisit this, either by allowing special mis-aligned objects in the + * migration path, or by mapping all of LMEM upfront using cheap 1G + * GTT entries. + */ + if (default_page_size < mem->min_page_size) + flags |= I915_BO_ALLOC_PM_EARLY; + err = mem->ops->init_object(mem, obj, size, page_size, flags); if (err) goto err_object_free; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c index c42e1e1c90be..c7541dc687c1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -700,7 +700,7 @@ struct intel_memory_region *i915_gem_shmem_setup(struct drm_i915_private *i915, { return intel_memory_region_create(i915, 0, totalram_pages() << PAGE_SHIFT, - PAGE_SIZE, 0, + PAGE_SIZE, 0, 0, type, instance, &shmem_region_ops); } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index f1011a80d4c3..2a225daa2b12 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -493,18 +493,22 @@ static int i915_gem_init_stolen(struct intel_memory_region *mem) /* Exclude the reserved region from driver use */ mem->region.end = reserved_base - 1; + mem->io_size = resource_size(&mem->region); /* It is possible for the reserved area to end before the end of stolen * memory, so just consider the start. */ reserved_total = stolen_top - reserved_base; + i915->stolen_usable_size = + resource_size(&i915->dsm) - reserved_total; + drm_dbg(&i915->drm, "Memory reserved for graphics device: %lluK, usable: %lluK\n", (u64)resource_size(&i915->dsm) >> 10, - ((u64)resource_size(&i915->dsm) - reserved_total) >> 10); + (u64)i915->stolen_usable_size >> 10); - i915->stolen_usable_size = - resource_size(&i915->dsm) - reserved_total; + if (i915->stolen_usable_size == 0) + return 0; /* Basic memrange allocator for stolen space. */ drm_mm_init(&i915->mm.stolen, 0, i915->stolen_usable_size); @@ -749,7 +753,7 @@ static int init_stolen_lmem(struct intel_memory_region *mem) if (!io_mapping_init_wc(&mem->iomap, mem->io_start, - resource_size(&mem->region))) + mem->io_size)) return -EIO; /* @@ -804,7 +808,8 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type, I915_GTT_PAGE_SIZE_4K; mem = intel_memory_region_create(i915, lmem_base, lmem_size, - min_page_size, io_start, + min_page_size, + io_start, lmem_size, type, instance, &i915_region_stolen_lmem_ops); if (IS_ERR(mem)) @@ -835,7 +840,7 @@ i915_gem_stolen_smem_setup(struct drm_i915_private *i915, u16 type, mem = intel_memory_region_create(i915, intel_graphics_stolen_res.start, resource_size(&intel_graphics_stolen_res), - PAGE_SIZE, 0, type, instance, + PAGE_SIZE, 0, 0, type, instance, &i915_region_stolen_smem_ops); if (IS_ERR(mem)) return mem; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 8419096d4056..45cc5837ce00 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -7,8 +7,10 @@ #include <drm/ttm/ttm_bo_driver.h> #include <drm/ttm/ttm_placement.h> +#include <drm/drm_buddy.h> #include "i915_drv.h" +#include "i915_ttm_buddy_manager.h" #include "intel_memory_region.h" #include "intel_region_ttm.h" @@ -22,6 +24,7 @@ #define I915_TTM_PRIO_PURGE 0 #define I915_TTM_PRIO_NO_PAGES 1 #define I915_TTM_PRIO_HAS_PAGES 2 +#define I915_TTM_PRIO_NEEDS_CPU_ACCESS 3 /* * Size of struct ttm_place vector in on-stack struct ttm_placement allocs @@ -129,7 +132,15 @@ i915_ttm_place_from_region(const struct intel_memory_region *mr, place->mem_type = intel_region_to_ttm_type(mr); if (flags & I915_BO_ALLOC_CONTIGUOUS) - place->flags = TTM_PL_FLAG_CONTIGUOUS; + place->flags |= TTM_PL_FLAG_CONTIGUOUS; + if (mr->io_size && mr->io_size < mr->total) { + if (flags & I915_BO_ALLOC_GPU_ONLY) { + place->flags |= TTM_PL_FLAG_TOPDOWN; + } else { + place->fpfn = 0; + place->lpfn = mr->io_size >> PAGE_SHIFT; + } + } } static void @@ -331,6 +342,7 @@ static bool i915_ttm_eviction_valuable(struct ttm_buffer_object *bo, const struct ttm_place *place) { struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo); + struct ttm_resource *res = bo->resource; if (!obj) return false; @@ -344,7 +356,48 @@ static bool i915_ttm_eviction_valuable(struct ttm_buffer_object *bo, return false; /* Will do for now. Our pinned objects are still on TTM's LRU lists */ - return i915_gem_object_evictable(obj); + if (!i915_gem_object_evictable(obj)) + return false; + + switch (res->mem_type) { + case I915_PL_LMEM0: { + struct ttm_resource_manager *man = + ttm_manager_type(bo->bdev, res->mem_type); + struct i915_ttm_buddy_resource *bman_res = + to_ttm_buddy_resource(res); + struct drm_buddy *mm = bman_res->mm; + struct drm_buddy_block *block; + + if (!place->fpfn && !place->lpfn) + return true; + + GEM_BUG_ON(!place->lpfn); + + /* + * If we just want something mappable then we can quickly check + * if the current victim resource is using any of the CPU + * visible portion. + */ + if (!place->fpfn && + place->lpfn == i915_ttm_buddy_man_visible_size(man)) + return bman_res->used_visible_size > 0; + + /* Real range allocation */ + list_for_each_entry(block, &bman_res->blocks, link) { + unsigned long fpfn = + drm_buddy_block_offset(block) >> PAGE_SHIFT; + unsigned long lpfn = fpfn + + (drm_buddy_block_size(mm, block) >> PAGE_SHIFT); + + if (place->fpfn < lpfn && place->lpfn > fpfn) + return true; + } + return false; + } default: + break; + } + + return true; } static void i915_ttm_evict_flags(struct ttm_buffer_object *bo, @@ -585,11 +638,24 @@ static void i915_ttm_swap_notify(struct ttm_buffer_object *bo) i915_ttm_purge(obj); } +static bool i915_ttm_resource_mappable(struct ttm_resource *res) +{ + struct i915_ttm_buddy_resource *bman_res = to_ttm_buddy_resource(res); + + if (!i915_ttm_cpu_maps_iomem(res)) + return true; + + return bman_res->used_visible_size == bman_res->base.num_pages; +} + static int i915_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { if (!i915_ttm_cpu_maps_iomem(mem)) return 0; + if (!i915_ttm_resource_mappable(mem)) + return -EINVAL; + mem->bus.caching = ttm_write_combined; mem->bus.is_iomem = true; @@ -728,14 +794,15 @@ static int i915_ttm_get_pages(struct drm_i915_gem_object *obj) * Gem forced migration using the i915_ttm_migrate() op, is allowed even * to regions that are not in the object's list of allowable placements. */ -static int i915_ttm_migrate(struct drm_i915_gem_object *obj, - struct intel_memory_region *mr) +static int __i915_ttm_migrate(struct drm_i915_gem_object *obj, + struct intel_memory_region *mr, + unsigned int flags) { struct ttm_place requested; struct ttm_placement placement; int ret; - i915_ttm_place_from_region(mr, &requested, obj->flags); + i915_ttm_place_from_region(mr, &requested, flags); placement.num_placement = 1; placement.num_busy_placement = 1; placement.placement = &requested; @@ -758,6 +825,12 @@ static int i915_ttm_migrate(struct drm_i915_gem_object *obj, return 0; } +static int i915_ttm_migrate(struct drm_i915_gem_object *obj, + struct intel_memory_region *mr) +{ + return __i915_ttm_migrate(obj, mr, obj->flags); +} + static void i915_ttm_put_pages(struct drm_i915_gem_object *obj, struct sg_table *st) { @@ -844,7 +917,23 @@ void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj) } else if (!i915_gem_object_has_pages(obj)) { bo->priority = I915_TTM_PRIO_NO_PAGES; } else { - bo->priority = I915_TTM_PRIO_HAS_PAGES; + struct ttm_resource_manager *man = + ttm_manager_type(bo->bdev, bo->resource->mem_type); + + /* + * If we need to place an LMEM resource which doesn't need CPU + * access then we should try not to victimize mappable objects + * first, since we likely end up stealing more of the mappable + * portion. And likewise when we try to find space for a mappble + * object, we know not to ever victimize objects that don't + * occupy any mappable pages. + */ + if (i915_ttm_cpu_maps_iomem(bo->resource) && + i915_ttm_buddy_man_visible_size(man) < man->size && + !(obj->flags & I915_BO_ALLOC_GPU_ONLY)) + bo->priority = I915_TTM_PRIO_NEEDS_CPU_ACCESS; + else + bo->priority = I915_TTM_PRIO_HAS_PAGES; } ttm_bo_move_to_lru_tail(bo, bo->resource, NULL); @@ -900,6 +989,31 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf) return VM_FAULT_SIGBUS; } + if (!i915_ttm_resource_mappable(bo->resource)) { + int err = -ENODEV; + int i; + + for (i = 0; i < obj->mm.n_placements; i++) { + struct intel_memory_region *mr = obj->mm.placements[i]; + unsigned int flags; + + if (!mr->io_size && mr->type != INTEL_MEMORY_SYSTEM) + continue; + + flags = obj->flags; + flags &= ~I915_BO_ALLOC_GPU_ONLY; + err = __i915_ttm_migrate(obj, mr, flags); + if (!err) + break; + } + + if (err) { + drm_dbg(dev, "Unable to make resource CPU accessible\n"); + dma_resv_unlock(bo->base.resv); + return VM_FAULT_SIGBUS; + } + } + if (drm_dev_enter(dev, &idx)) { ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot, TTM_BO_VM_NUM_PREFAULT); @@ -1103,7 +1217,7 @@ i915_gem_ttm_system_setup(struct drm_i915_private *i915, mr = intel_memory_region_create(i915, 0, totalram_pages() << PAGE_SHIFT, - PAGE_SIZE, 0, + PAGE_SIZE, 0, 0, type, instance, &ttm_system_region_ops); if (IS_ERR(mr)) diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c index e2eb5a2dfb30..ef15967be51a 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c @@ -502,7 +502,7 @@ static int igt_mock_memory_region_huge_pages(void *arg) int bit; int err = 0; - mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0); + mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0, 0); if (IS_ERR(mem)) { pr_err("%s failed to create memory region\n", __func__); return PTR_ERR(mem); @@ -1347,7 +1347,7 @@ try_again: err = i915_gem_object_pin_pages_unlocked(obj); if (err) { - if (err == -ENXIO || err == -E2BIG) { + if (err == -ENXIO || err == -E2BIG || err == -ENOMEM) { i915_gem_object_put(obj); size >>= 1; goto try_again; @@ -1481,6 +1481,65 @@ out: return err; } +static int igt_ppgtt_compact(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct drm_i915_gem_object *obj; + int err; + + /* + * Simple test to catch issues with compact 64K pages -- since the pt is + * compacted to 256B that gives us 32 entries per pt, however since the + * backing page for the pt is 4K, any extra entries we might incorrectly + * write out should be ignored by the HW. If ever hit such a case this + * test should catch it since some of our writes would land in scratch. + */ + + if (!HAS_64K_PAGES(i915)) { + pr_info("device lacks compact 64K page support, skipping\n"); + return 0; + } + + if (!HAS_LMEM(i915)) { + pr_info("device lacks LMEM support, skipping\n"); + return 0; + } + + /* We want the range to cover multiple page-table boundaries. */ + obj = i915_gem_object_create_lmem(i915, SZ_4M, 0); + if (IS_ERR(obj)) + return PTR_ERR(obj); + + err = i915_gem_object_pin_pages_unlocked(obj); + if (err) + goto out_put; + + if (obj->mm.page_sizes.phys < I915_GTT_PAGE_SIZE_64K) { + pr_info("LMEM compact unable to allocate huge-page(s)\n"); + goto out_unpin; + } + + /* + * Disable 2M GTT pages by forcing the page-size to 64K for the GTT + * insertion. + */ + obj->mm.page_sizes.sg = I915_GTT_PAGE_SIZE_64K; + + err = igt_write_huge(i915, obj); + if (err) + pr_err("LMEM compact write-huge failed\n"); + +out_unpin: + i915_gem_object_unpin_pages(obj); +out_put: + i915_gem_object_put(obj); + + if (err == -ENOMEM) + err = 0; + + return err; +} + static int igt_tmpfs_fallback(void *arg) { struct drm_i915_private *i915 = arg; @@ -1738,6 +1797,7 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_tmpfs_fallback), SUBTEST(igt_ppgtt_smoke_huge), SUBTEST(igt_ppgtt_sanity_check), + SUBTEST(igt_ppgtt_compact), }; if (!HAS_PPGTT(i915)) { diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c index 8f28e46e8ee5..ddd0772fd828 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c @@ -40,6 +40,7 @@ struct tiled_blits { struct blit_buffer scratch; struct i915_vma *batch; u64 hole; + u64 align; u32 width; u32 height; }; @@ -411,14 +412,19 @@ tiled_blits_create(struct intel_engine_cs *engine, struct rnd_state *prng) goto err_free; } - hole_size = 2 * PAGE_ALIGN(WIDTH * HEIGHT * 4); + t->align = i915_vm_min_alignment(t->ce->vm, INTEL_MEMORY_LOCAL); + t->align = max(t->align, + i915_vm_min_alignment(t->ce->vm, INTEL_MEMORY_SYSTEM)); + + hole_size = 2 * round_up(WIDTH * HEIGHT * 4, t->align); hole_size *= 2; /* room to maneuver */ - hole_size += 2 * I915_GTT_MIN_ALIGNMENT; + hole_size += 2 * t->align; /* padding on either side */ mutex_lock(&t->ce->vm->mutex); memset(&hole, 0, sizeof(hole)); err = drm_mm_insert_node_in_range(&t->ce->vm->mm, &hole, - hole_size, 0, I915_COLOR_UNEVICTABLE, + hole_size, t->align, + I915_COLOR_UNEVICTABLE, 0, U64_MAX, DRM_MM_INSERT_BEST); if (!err) @@ -429,7 +435,7 @@ tiled_blits_create(struct intel_engine_cs *engine, struct rnd_state *prng) goto err_put; } - t->hole = hole.start + I915_GTT_MIN_ALIGNMENT; + t->hole = hole.start + t->align; pr_info("Using hole at %llx\n", t->hole); err = tiled_blits_create_buffers(t, WIDTH, HEIGHT, prng); @@ -456,7 +462,7 @@ static void tiled_blits_destroy(struct tiled_blits *t) static int tiled_blits_prepare(struct tiled_blits *t, struct rnd_state *prng) { - u64 offset = PAGE_ALIGN(t->width * t->height * 4); + u64 offset = round_up(t->width * t->height * 4, t->align); u32 *map; int err; int i; @@ -487,8 +493,7 @@ static int tiled_blits_prepare(struct tiled_blits *t, static int tiled_blits_bounce(struct tiled_blits *t, struct rnd_state *prng) { - u64 offset = - round_up(t->width * t->height * 4, 2 * I915_GTT_MIN_ALIGNMENT); + u64 offset = round_up(t->width * t->height * 4, 2 * t->align); int err; /* We want to check position invariant tiling across GTT eviction */ @@ -501,7 +506,7 @@ static int tiled_blits_bounce(struct tiled_blits *t, struct rnd_state *prng) /* Reposition so that we overlap the old addresses, and slightly off */ err = tiled_blit(t, - &t->buffers[2], t->hole + I915_GTT_MIN_ALIGNMENT, + &t->buffers[2], t->hole + t->align, &t->buffers[1], t->hole + 3 * offset / 2); if (err) return err; diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index 2cdd8f2c002f..93a67422ca3b 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -886,7 +886,9 @@ out_file: return err; } -static int rpcs_query_batch(struct drm_i915_gem_object *rpcs, struct i915_vma *vma) +static int rpcs_query_batch(struct drm_i915_gem_object *rpcs, + struct i915_vma *vma, + struct intel_engine_cs *engine) { u32 *cmd; @@ -897,7 +899,7 @@ static int rpcs_query_batch(struct drm_i915_gem_object *rpcs, struct i915_vma *v return PTR_ERR(cmd); *cmd++ = MI_STORE_REGISTER_MEM_GEN8; - *cmd++ = i915_mmio_reg_offset(GEN8_R_PWR_CLK_STATE(RENDER_RING_BASE)); + *cmd++ = i915_mmio_reg_offset(GEN8_R_PWR_CLK_STATE(engine->mmio_base)); *cmd++ = lower_32_bits(vma->node.start); *cmd++ = upper_32_bits(vma->node.start); *cmd = MI_BATCH_BUFFER_END; @@ -958,7 +960,7 @@ retry: if (err) goto err_vma; - err = rpcs_query_batch(rpcs, vma); + err = rpcs_query_batch(rpcs, vma, ce->engine); if (err) goto err_batch; diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index 6dc83255e4f3..c4c2c91a2ee7 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -9,10 +9,13 @@ #include "gem/i915_gem_internal.h" #include "gem/i915_gem_region.h" +#include "gem/i915_gem_ttm.h" #include "gt/intel_engine_pm.h" #include "gt/intel_gpu_commands.h" #include "gt/intel_gt.h" #include "gt/intel_gt_pm.h" +#include "gt/intel_migrate.h" +#include "i915_ttm_buddy_manager.h" #include "huge_gem_object.h" #include "i915_selftest.h" @@ -170,7 +173,7 @@ static int check_partial_mapping(struct drm_i915_gem_object *obj, out: i915_gem_object_lock(obj, NULL); - __i915_vma_put(vma); + i915_vma_destroy(vma); i915_gem_object_unlock(obj); return err; } @@ -267,7 +270,7 @@ static int check_partial_mappings(struct drm_i915_gem_object *obj, return err; i915_gem_object_lock(obj, NULL); - __i915_vma_put(vma); + i915_vma_destroy(vma); i915_gem_object_unlock(obj); if (igt_timeout(end_time, @@ -1002,6 +1005,331 @@ static int igt_mmap(void *arg) return 0; } +static void igt_close_objects(struct drm_i915_private *i915, + struct list_head *objects) +{ + struct drm_i915_gem_object *obj, *on; + + list_for_each_entry_safe(obj, on, objects, st_link) { + i915_gem_object_lock(obj, NULL); + if (i915_gem_object_has_pinned_pages(obj)) + i915_gem_object_unpin_pages(obj); + /* No polluting the memory region between tests */ + __i915_gem_object_put_pages(obj); + i915_gem_object_unlock(obj); + list_del(&obj->st_link); + i915_gem_object_put(obj); + } + + cond_resched(); + + i915_gem_drain_freed_objects(i915); +} + +static void igt_make_evictable(struct list_head *objects) +{ + struct drm_i915_gem_object *obj; + + list_for_each_entry(obj, objects, st_link) { + i915_gem_object_lock(obj, NULL); + if (i915_gem_object_has_pinned_pages(obj)) + i915_gem_object_unpin_pages(obj); + i915_gem_object_unlock(obj); + } + + cond_resched(); +} + +static int igt_fill_mappable(struct intel_memory_region *mr, + struct list_head *objects) +{ + u64 size, total; + int err; + + total = 0; + size = mr->io_size; + do { + struct drm_i915_gem_object *obj; + + obj = i915_gem_object_create_region(mr, size, 0, 0); + if (IS_ERR(obj)) { + err = PTR_ERR(obj); + goto err_close; + } + + list_add(&obj->st_link, objects); + + err = i915_gem_object_pin_pages_unlocked(obj); + if (err) { + if (err != -ENXIO && err != -ENOMEM) + goto err_close; + + if (size == mr->min_page_size) { + err = 0; + break; + } + + size >>= 1; + continue; + } + + total += obj->base.size; + } while (1); + + pr_info("%s filled=%lluMiB\n", __func__, total >> 20); + return 0; + +err_close: + igt_close_objects(mr->i915, objects); + return err; +} + +static int ___igt_mmap_migrate(struct drm_i915_private *i915, + struct drm_i915_gem_object *obj, + unsigned long addr, + bool unfaultable) +{ + struct vm_area_struct *area; + int err = 0, i; + + pr_info("igt_mmap(%s, %d) @ %lx\n", + obj->mm.region->name, I915_MMAP_TYPE_FIXED, addr); + + mmap_read_lock(current->mm); + area = vma_lookup(current->mm, addr); + mmap_read_unlock(current->mm); + if (!area) { + pr_err("%s: Did not create a vm_area_struct for the mmap\n", + obj->mm.region->name); + err = -EINVAL; + goto out_unmap; + } + + for (i = 0; i < obj->base.size / sizeof(u32); i++) { + u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof(*ux))); + u32 x; + + if (get_user(x, ux)) { + err = -EFAULT; + if (!unfaultable) { + pr_err("%s: Unable to read from mmap, offset:%zd\n", + obj->mm.region->name, i * sizeof(x)); + goto out_unmap; + } + + continue; + } + + if (unfaultable) { + pr_err("%s: Faulted unmappable memory\n", + obj->mm.region->name); + err = -EINVAL; + goto out_unmap; + } + + if (x != expand32(POISON_INUSE)) { + pr_err("%s: Read incorrect value from mmap, offset:%zd, found:%x, expected:%x\n", + obj->mm.region->name, + i * sizeof(x), x, expand32(POISON_INUSE)); + err = -EINVAL; + goto out_unmap; + } + + x = expand32(POISON_FREE); + if (put_user(x, ux)) { + pr_err("%s: Unable to write to mmap, offset:%zd\n", + obj->mm.region->name, i * sizeof(x)); + err = -EFAULT; + goto out_unmap; + } + } + + if (unfaultable) { + if (err == -EFAULT) + err = 0; + } else { + obj->flags &= ~I915_BO_ALLOC_GPU_ONLY; + err = wc_check(obj); + } +out_unmap: + vm_munmap(addr, obj->base.size); + return err; +} + +#define IGT_MMAP_MIGRATE_TOPDOWN (1 << 0) +#define IGT_MMAP_MIGRATE_FILL (1 << 1) +#define IGT_MMAP_MIGRATE_EVICTABLE (1 << 2) +#define IGT_MMAP_MIGRATE_UNFAULTABLE (1 << 3) +static int __igt_mmap_migrate(struct intel_memory_region **placements, + int n_placements, + struct intel_memory_region *expected_mr, + unsigned int flags) +{ + struct drm_i915_private *i915 = placements[0]->i915; + struct drm_i915_gem_object *obj; + struct i915_request *rq = NULL; + unsigned long addr; + LIST_HEAD(objects); + u64 offset; + int err; + + obj = __i915_gem_object_create_user(i915, PAGE_SIZE, + placements, + n_placements); + if (IS_ERR(obj)) + return PTR_ERR(obj); + + if (flags & IGT_MMAP_MIGRATE_TOPDOWN) + obj->flags |= I915_BO_ALLOC_GPU_ONLY; + + err = __assign_mmap_offset(obj, I915_MMAP_TYPE_FIXED, &offset, NULL); + if (err) + goto out_put; + + /* + * This will eventually create a GEM context, due to opening dummy drm + * file, which needs a tiny amount of mappable device memory for the top + * level paging structures(and perhaps scratch), so make sure we + * allocate early, to avoid tears. + */ + addr = igt_mmap_offset(i915, offset, obj->base.size, + PROT_WRITE, MAP_SHARED); + if (IS_ERR_VALUE(addr)) { + err = addr; + goto out_put; + } + + if (flags & IGT_MMAP_MIGRATE_FILL) { + err = igt_fill_mappable(placements[0], &objects); + if (err) + goto out_put; + } + + err = i915_gem_object_lock(obj, NULL); + if (err) + goto out_put; + + err = i915_gem_object_pin_pages(obj); + if (err) { + i915_gem_object_unlock(obj); + goto out_put; + } + + err = intel_context_migrate_clear(to_gt(i915)->migrate.context, NULL, + obj->mm.pages->sgl, obj->cache_level, + i915_gem_object_is_lmem(obj), + expand32(POISON_INUSE), &rq); + i915_gem_object_unpin_pages(obj); + if (rq) { + dma_resv_add_excl_fence(obj->base.resv, &rq->fence); + i915_gem_object_set_moving_fence(obj, &rq->fence); + i915_request_put(rq); + } + i915_gem_object_unlock(obj); + if (err) + goto out_put; + + if (flags & IGT_MMAP_MIGRATE_EVICTABLE) + igt_make_evictable(&objects); + + err = ___igt_mmap_migrate(i915, obj, addr, + flags & IGT_MMAP_MIGRATE_UNFAULTABLE); + if (!err && obj->mm.region != expected_mr) { + pr_err("%s region mismatch %s\n", __func__, expected_mr->name); + err = -EINVAL; + } + +out_put: + i915_gem_object_put(obj); + igt_close_objects(i915, &objects); + return err; +} + +static int igt_mmap_migrate(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct intel_memory_region *system = i915->mm.regions[INTEL_REGION_SMEM]; + struct intel_memory_region *mr; + enum intel_region_id id; + + for_each_memory_region(mr, i915, id) { + struct intel_memory_region *mixed[] = { mr, system }; + struct intel_memory_region *single[] = { mr }; + struct ttm_resource_manager *man = mr->region_private; + resource_size_t saved_io_size; + int err; + + if (mr->private) + continue; + + if (!mr->io_size) + continue; + + /* + * For testing purposes let's force small BAR, if not already + * present. + */ + saved_io_size = mr->io_size; + if (mr->io_size == mr->total) { + resource_size_t io_size = mr->io_size; + + io_size = rounddown_pow_of_two(io_size >> 1); + if (io_size < PAGE_SIZE) + continue; + + mr->io_size = io_size; + i915_ttm_buddy_man_force_visible_size(man, + io_size >> PAGE_SHIFT); + } + + /* + * Allocate in the mappable portion, should be no suprises here. + */ + err = __igt_mmap_migrate(mixed, ARRAY_SIZE(mixed), mr, 0); + if (err) + goto out_io_size; + + /* + * Allocate in the non-mappable portion, but force migrating to + * the mappable portion on fault (LMEM -> LMEM) + */ + err = __igt_mmap_migrate(single, ARRAY_SIZE(single), mr, + IGT_MMAP_MIGRATE_TOPDOWN | + IGT_MMAP_MIGRATE_FILL | + IGT_MMAP_MIGRATE_EVICTABLE); + if (err) + goto out_io_size; + + /* + * Allocate in the non-mappable portion, but force spilling into + * system memory on fault (LMEM -> SMEM) + */ + err = __igt_mmap_migrate(mixed, ARRAY_SIZE(mixed), system, + IGT_MMAP_MIGRATE_TOPDOWN | + IGT_MMAP_MIGRATE_FILL); + if (err) + goto out_io_size; + + /* + * Allocate in the non-mappable portion, but since the mappable + * portion is already full, and we can't spill to system memory, + * then we should expect the fault to fail. + */ + err = __igt_mmap_migrate(single, ARRAY_SIZE(single), mr, + IGT_MMAP_MIGRATE_TOPDOWN | + IGT_MMAP_MIGRATE_FILL | + IGT_MMAP_MIGRATE_UNFAULTABLE); +out_io_size: + mr->io_size = saved_io_size; + i915_ttm_buddy_man_force_visible_size(man, + mr->io_size >> PAGE_SHIFT); + if (err) + return err; + } + + return 0; +} + static const char *repr_mmap_type(enum i915_mmap_type type) { switch (type) { @@ -1427,6 +1755,7 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_smoke_tiling), SUBTEST(igt_mmap_offset_exhaustion), SUBTEST(igt_mmap), + SUBTEST(igt_mmap_migrate), SUBTEST(igt_mmap_access), SUBTEST(igt_mmap_revoke), SUBTEST(igt_mmap_gpu), diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 1f8cf4f790b2..b1b9c3fd7bf9 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -201,6 +201,8 @@ static u32 *gen12_emit_aux_table_inv(const i915_reg_t inv_reg, u32 *cs) int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) { + struct intel_engine_cs *engine = rq->engine; + if (mode & EMIT_FLUSH) { u32 flags = 0; u32 *cs; @@ -219,6 +221,9 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) flags |= PIPE_CONTROL_CS_STALL; + if (engine->class == COMPUTE_CLASS) + flags &= ~PIPE_CONTROL_3D_FLAGS; + cs = intel_ring_begin(rq, 6); if (IS_ERR(cs)) return PTR_ERR(cs); @@ -246,6 +251,9 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) flags |= PIPE_CONTROL_CS_STALL; + if (engine->class == COMPUTE_CLASS) + flags &= ~PIPE_CONTROL_3D_FLAGS; + cs = intel_ring_begin(rq, 8 + 4); if (IS_ERR(cs)) return PTR_ERR(cs); @@ -618,19 +626,27 @@ u32 *gen12_emit_fini_breadcrumb_xcs(struct i915_request *rq, u32 *cs) u32 *gen12_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs) { + struct drm_i915_private *i915 = rq->engine->i915; + u32 flags = (PIPE_CONTROL_CS_STALL | + PIPE_CONTROL_TILE_CACHE_FLUSH | + PIPE_CONTROL_FLUSH_L3 | + PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH | + PIPE_CONTROL_DEPTH_CACHE_FLUSH | + PIPE_CONTROL_DC_FLUSH_ENABLE | + PIPE_CONTROL_FLUSH_ENABLE); + + if (GRAPHICS_VER(i915) == 12 && GRAPHICS_VER_FULL(i915) < IP_VER(12, 50)) + /* Wa_1409600907 */ + flags |= PIPE_CONTROL_DEPTH_STALL; + + if (rq->engine->class == COMPUTE_CLASS) + flags &= ~PIPE_CONTROL_3D_FLAGS; + cs = gen12_emit_ggtt_write_rcs(cs, rq->fence.seqno, hwsp_offset(rq), PIPE_CONTROL0_HDC_PIPELINE_FLUSH, - PIPE_CONTROL_CS_STALL | - PIPE_CONTROL_TILE_CACHE_FLUSH | - PIPE_CONTROL_FLUSH_L3 | - PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH | - PIPE_CONTROL_DEPTH_CACHE_FLUSH | - /* Wa_1409600907:tgl */ - PIPE_CONTROL_DEPTH_STALL | - PIPE_CONTROL_DC_FLUSH_ENABLE | - PIPE_CONTROL_FLUSH_ENABLE); + flags); return gen12_emit_fini_breadcrumb_tail(rq, cs); } diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c index c43e724afa9f..f574da00eff1 100644 --- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c +++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c @@ -233,6 +233,8 @@ static u64 __gen8_ppgtt_clear(struct i915_address_space * const vm, start, end, lvl); } else { unsigned int count; + unsigned int pte = gen8_pd_index(start, 0); + unsigned int num_ptes; u64 *vaddr; count = gen8_pt_count(start, end); @@ -242,10 +244,18 @@ static u64 __gen8_ppgtt_clear(struct i915_address_space * const vm, atomic_read(&pt->used)); GEM_BUG_ON(!count || count >= atomic_read(&pt->used)); + num_ptes = count; + if (pt->is_compact) { + GEM_BUG_ON(num_ptes % 16); + GEM_BUG_ON(pte % 16); + num_ptes /= 16; + pte /= 16; + } + vaddr = px_vaddr(pt); - memset64(vaddr + gen8_pd_index(start, 0), + memset64(vaddr + pte, vm->scratch[0]->encode, - count); + num_ptes); atomic_sub(count, &pt->used); start += count; @@ -453,6 +463,95 @@ gen8_ppgtt_insert_pte(struct i915_ppgtt *ppgtt, return idx; } +static void +xehpsdv_ppgtt_insert_huge(struct i915_address_space *vm, + struct i915_vma_resource *vma_res, + struct sgt_dma *iter, + enum i915_cache_level cache_level, + u32 flags) +{ + const gen8_pte_t pte_encode = vm->pte_encode(0, cache_level, flags); + unsigned int rem = sg_dma_len(iter->sg); + u64 start = vma_res->start; + + GEM_BUG_ON(!i915_vm_is_4lvl(vm)); + + do { + struct i915_page_directory * const pdp = + gen8_pdp_for_page_address(vm, start); + struct i915_page_directory * const pd = + i915_pd_entry(pdp, __gen8_pte_index(start, 2)); + struct i915_page_table *pt = + i915_pt_entry(pd, __gen8_pte_index(start, 1)); + gen8_pte_t encode = pte_encode; + unsigned int page_size; + gen8_pte_t *vaddr; + u16 index, max; + + max = I915_PDES; + + if (vma_res->bi.page_sizes.sg & I915_GTT_PAGE_SIZE_2M && + IS_ALIGNED(iter->dma, I915_GTT_PAGE_SIZE_2M) && + rem >= I915_GTT_PAGE_SIZE_2M && + !__gen8_pte_index(start, 0)) { + index = __gen8_pte_index(start, 1); + encode |= GEN8_PDE_PS_2M; + page_size = I915_GTT_PAGE_SIZE_2M; + + vaddr = px_vaddr(pd); + } else { + if (encode & GEN12_PPGTT_PTE_LM) { + GEM_BUG_ON(__gen8_pte_index(start, 0) % 16); + GEM_BUG_ON(rem < I915_GTT_PAGE_SIZE_64K); + GEM_BUG_ON(!IS_ALIGNED(iter->dma, + I915_GTT_PAGE_SIZE_64K)); + + index = __gen8_pte_index(start, 0) / 16; + page_size = I915_GTT_PAGE_SIZE_64K; + + max /= 16; + + vaddr = px_vaddr(pd); + vaddr[__gen8_pte_index(start, 1)] |= GEN12_PDE_64K; + + pt->is_compact = true; + } else { + GEM_BUG_ON(pt->is_compact); + index = __gen8_pte_index(start, 0); + page_size = I915_GTT_PAGE_SIZE; + } + + vaddr = px_vaddr(pt); + } + + do { + GEM_BUG_ON(rem < page_size); + vaddr[index++] = encode | iter->dma; + + start += page_size; + iter->dma += page_size; + rem -= page_size; + if (iter->dma >= iter->max) { + iter->sg = __sg_next(iter->sg); + if (!iter->sg) + break; + + rem = sg_dma_len(iter->sg); + if (!rem) + break; + + iter->dma = sg_dma_address(iter->sg); + iter->max = iter->dma + rem; + + if (unlikely(!IS_ALIGNED(iter->dma, page_size))) + break; + } + } while (rem >= page_size && index < max); + + vma_res->page_sizes_gtt |= page_size; + } while (iter->sg && sg_dma_len(iter->sg)); +} + static void gen8_ppgtt_insert_huge(struct i915_address_space *vm, struct i915_vma_resource *vma_res, struct sgt_dma *iter, @@ -586,7 +685,10 @@ static void gen8_ppgtt_insert(struct i915_address_space *vm, struct sgt_dma iter = sgt_dma(vma_res); if (vma_res->bi.page_sizes.sg > I915_GTT_PAGE_SIZE) { - gen8_ppgtt_insert_huge(vm, vma_res, &iter, cache_level, flags); + if (HAS_64K_PAGES(vm->i915)) + xehpsdv_ppgtt_insert_huge(vm, vma_res, &iter, cache_level, flags); + else + gen8_ppgtt_insert_huge(vm, vma_res, &iter, cache_level, flags); } else { u64 idx = vma_res->start >> GEN8_PTE_SHIFT; @@ -613,13 +715,56 @@ static void gen8_ppgtt_insert_entry(struct i915_address_space *vm, gen8_pdp_for_page_index(vm, idx); struct i915_page_directory *pd = i915_pd_entry(pdp, gen8_pd_index(idx, 2)); + struct i915_page_table *pt = i915_pt_entry(pd, gen8_pd_index(idx, 1)); gen8_pte_t *vaddr; - vaddr = px_vaddr(i915_pt_entry(pd, gen8_pd_index(idx, 1))); + GEM_BUG_ON(pt->is_compact); + + vaddr = px_vaddr(pt); vaddr[gen8_pd_index(idx, 0)] = gen8_pte_encode(addr, level, flags); clflush_cache_range(&vaddr[gen8_pd_index(idx, 0)], sizeof(*vaddr)); } +static void __xehpsdv_ppgtt_insert_entry_lm(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level level, + u32 flags) +{ + u64 idx = offset >> GEN8_PTE_SHIFT; + struct i915_page_directory * const pdp = + gen8_pdp_for_page_index(vm, idx); + struct i915_page_directory *pd = + i915_pd_entry(pdp, gen8_pd_index(idx, 2)); + struct i915_page_table *pt = i915_pt_entry(pd, gen8_pd_index(idx, 1)); + gen8_pte_t *vaddr; + + GEM_BUG_ON(!IS_ALIGNED(addr, SZ_64K)); + GEM_BUG_ON(!IS_ALIGNED(offset, SZ_64K)); + + if (!pt->is_compact) { + vaddr = px_vaddr(pd); + vaddr[gen8_pd_index(idx, 1)] |= GEN12_PDE_64K; + pt->is_compact = true; + } + + vaddr = px_vaddr(pt); + vaddr[gen8_pd_index(idx, 0) / 16] = gen8_pte_encode(addr, level, flags); +} + +static void xehpsdv_ppgtt_insert_entry(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level level, + u32 flags) +{ + if (flags & PTE_LM) + return __xehpsdv_ppgtt_insert_entry_lm(vm, addr, offset, + level, flags); + + return gen8_ppgtt_insert_entry(vm, addr, offset, level, flags); +} + static int gen8_init_scratch(struct i915_address_space *vm) { u32 pte_flags; @@ -819,7 +964,10 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt, ppgtt->vm.bind_async_flags = I915_VMA_LOCAL_BIND; ppgtt->vm.insert_entries = gen8_ppgtt_insert; - ppgtt->vm.insert_page = gen8_ppgtt_insert_entry; + if (HAS_64K_PAGES(gt->i915)) + ppgtt->vm.insert_page = xehpsdv_ppgtt_insert_entry; + else + ppgtt->vm.insert_page = gen8_ppgtt_insert_entry; ppgtt->vm.allocate_va_range = gen8_ppgtt_alloc; ppgtt->vm.clear_range = gen8_ppgtt_clear; ppgtt->vm.foreach = gen8_ppgtt_foreach; diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h index be4b1e65442f..1c0ab05c3c40 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine.h +++ b/drivers/gpu/drm/i915/gt/intel_engine.h @@ -265,6 +265,8 @@ intel_engine_create_pinned_context(struct intel_engine_cs *engine, void intel_engine_destroy_pinned_context(struct intel_context *ce); +void xehp_enable_ccs_engines(struct intel_engine_cs *engine); + #define ENGINE_PHYSICAL 0 #define ENGINE_MOCK 1 #define ENGINE_VIRTUAL 2 diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 501e7b37bc26..7447411a5b26 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -23,6 +23,7 @@ #include "intel_gt.h" #include "intel_gt_requests.h" #include "intel_gt_pm.h" +#include "intel_lrc.h" #include "intel_lrc_reg.h" #include "intel_reset.h" #include "intel_ring.h" @@ -158,6 +159,34 @@ static const struct engine_info intel_engines[] = { { .graphics_ver = 12, .base = XEHP_VEBOX4_RING_BASE } }, }, + [CCS0] = { + .class = COMPUTE_CLASS, + .instance = 0, + .mmio_bases = { + { .graphics_ver = 12, .base = GEN12_COMPUTE0_RING_BASE } + } + }, + [CCS1] = { + .class = COMPUTE_CLASS, + .instance = 1, + .mmio_bases = { + { .graphics_ver = 12, .base = GEN12_COMPUTE1_RING_BASE } + } + }, + [CCS2] = { + .class = COMPUTE_CLASS, + .instance = 2, + .mmio_bases = { + { .graphics_ver = 12, .base = GEN12_COMPUTE2_RING_BASE } + } + }, + [CCS3] = { + .class = COMPUTE_CLASS, + .instance = 3, + .mmio_bases = { + { .graphics_ver = 12, .base = GEN12_COMPUTE3_RING_BASE } + } + }, }; /** @@ -182,6 +211,8 @@ u32 intel_engine_context_size(struct intel_gt *gt, u8 class) BUILD_BUG_ON(I915_GTT_PAGE_SIZE != PAGE_SIZE); switch (class) { + case COMPUTE_CLASS: + fallthrough; case RENDER_CLASS: switch (GRAPHICS_VER(gt->i915)) { default: @@ -295,6 +326,50 @@ static void nop_irq_handler(struct intel_engine_cs *engine, u16 iir) GEM_DEBUG_WARN_ON(iir); } +static u32 get_reset_domain(u8 ver, enum intel_engine_id id) +{ + u32 reset_domain; + + if (ver >= 11) { + static const u32 engine_reset_domains[] = { + [RCS0] = GEN11_GRDOM_RENDER, + [BCS0] = GEN11_GRDOM_BLT, + [VCS0] = GEN11_GRDOM_MEDIA, + [VCS1] = GEN11_GRDOM_MEDIA2, + [VCS2] = GEN11_GRDOM_MEDIA3, + [VCS3] = GEN11_GRDOM_MEDIA4, + [VCS4] = GEN11_GRDOM_MEDIA5, + [VCS5] = GEN11_GRDOM_MEDIA6, + [VCS6] = GEN11_GRDOM_MEDIA7, + [VCS7] = GEN11_GRDOM_MEDIA8, + [VECS0] = GEN11_GRDOM_VECS, + [VECS1] = GEN11_GRDOM_VECS2, + [VECS2] = GEN11_GRDOM_VECS3, + [VECS3] = GEN11_GRDOM_VECS4, + [CCS0] = GEN11_GRDOM_RENDER, + [CCS1] = GEN11_GRDOM_RENDER, + [CCS2] = GEN11_GRDOM_RENDER, + [CCS3] = GEN11_GRDOM_RENDER, + }; + GEM_BUG_ON(id >= ARRAY_SIZE(engine_reset_domains) || + !engine_reset_domains[id]); + reset_domain = engine_reset_domains[id]; + } else { + static const u32 engine_reset_domains[] = { + [RCS0] = GEN6_GRDOM_RENDER, + [BCS0] = GEN6_GRDOM_BLT, + [VCS0] = GEN6_GRDOM_MEDIA, + [VCS1] = GEN8_GRDOM_MEDIA2, + [VECS0] = GEN6_GRDOM_VECS, + }; + GEM_BUG_ON(id >= ARRAY_SIZE(engine_reset_domains) || + !engine_reset_domains[id]); + reset_domain = engine_reset_domains[id]; + } + + return reset_domain; +} + static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id, u8 logical_instance) { @@ -330,38 +405,8 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id, engine->id = id; engine->legacy_idx = INVALID_ENGINE; engine->mask = BIT(id); - if (GRAPHICS_VER(gt->i915) >= 11) { - static const u32 engine_reset_domains[] = { - [RCS0] = GEN11_GRDOM_RENDER, - [BCS0] = GEN11_GRDOM_BLT, - [VCS0] = GEN11_GRDOM_MEDIA, - [VCS1] = GEN11_GRDOM_MEDIA2, - [VCS2] = GEN11_GRDOM_MEDIA3, - [VCS3] = GEN11_GRDOM_MEDIA4, - [VCS4] = GEN11_GRDOM_MEDIA5, - [VCS5] = GEN11_GRDOM_MEDIA6, - [VCS6] = GEN11_GRDOM_MEDIA7, - [VCS7] = GEN11_GRDOM_MEDIA8, - [VECS0] = GEN11_GRDOM_VECS, - [VECS1] = GEN11_GRDOM_VECS2, - [VECS2] = GEN11_GRDOM_VECS3, - [VECS3] = GEN11_GRDOM_VECS4, - }; - GEM_BUG_ON(id >= ARRAY_SIZE(engine_reset_domains) || - !engine_reset_domains[id]); - engine->reset_domain = engine_reset_domains[id]; - } else { - static const u32 engine_reset_domains[] = { - [RCS0] = GEN6_GRDOM_RENDER, - [BCS0] = GEN6_GRDOM_BLT, - [VCS0] = GEN6_GRDOM_MEDIA, - [VCS1] = GEN8_GRDOM_MEDIA2, - [VECS0] = GEN6_GRDOM_VECS, - }; - GEM_BUG_ON(id >= ARRAY_SIZE(engine_reset_domains) || - !engine_reset_domains[id]); - engine->reset_domain = engine_reset_domains[id]; - } + engine->reset_domain = get_reset_domain(GRAPHICS_VER(gt->i915), + id); engine->i915 = i915; engine->gt = gt; engine->uncore = gt->uncore; @@ -391,6 +436,12 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id, if (GRAPHICS_VER(i915) == 12 && engine->class == RENDER_CLASS) engine->props.preempt_timeout_ms = 0; + /* features common between engines sharing EUs */ + if (engine->class == RENDER_CLASS || engine->class == COMPUTE_CLASS) { + engine->flags |= I915_ENGINE_HAS_RCS_REG_STATE; + engine->flags |= I915_ENGINE_HAS_EU_PRIORITY; + } + engine->defaults = engine->props; /* never to change again */ engine->context_size = intel_engine_context_size(gt, engine->class); @@ -543,6 +594,29 @@ bool gen11_vdbox_has_sfc(struct intel_gt *gt, return false; } +static void engine_mask_apply_compute_fuses(struct intel_gt *gt) +{ + struct drm_i915_private *i915 = gt->i915; + struct intel_gt_info *info = >->info; + int ss_per_ccs = info->sseu.max_subslices / I915_MAX_CCS; + unsigned long ccs_mask; + unsigned int i; + + if (GRAPHICS_VER_FULL(i915) < IP_VER(12, 50)) + return; + + ccs_mask = intel_slicemask_from_dssmask(intel_sseu_get_compute_subslices(&info->sseu), + ss_per_ccs); + /* + * If all DSS in a quadrant are fused off, the corresponding CCS + * engine is not available for use. + */ + for_each_clear_bit(i, &ccs_mask, I915_MAX_CCS) { + info->engine_mask &= ~BIT(_CCS(i)); + drm_dbg(&i915->drm, "ccs%u fused off\n", i); + } +} + /* * Determine which engines are fused off in our particular hardware. * Note that we have a catch-22 situation where we need to be able to access @@ -624,6 +698,8 @@ static intel_engine_mask_t init_engine_mask(struct intel_gt *gt) vebox_mask, VEBOX_MASK(gt)); GEM_BUG_ON(vebox_mask != VEBOX_MASK(gt)); + engine_mask_apply_compute_fuses(gt); + return info->engine_mask; } @@ -2020,6 +2096,23 @@ intel_engine_execlist_find_hung_request(struct intel_engine_cs *engine) return active; } +void xehp_enable_ccs_engines(struct intel_engine_cs *engine) +{ + /* + * If there are any non-fused-off CCS engines, we need to enable CCS + * support in the RCU_MODE register. This only needs to be done once, + * so for simplicity we'll take care of this in the RCS engine's + * resume handler; since the RCS and all CCS engines belong to the + * same reset domain and are reset together, this will also take care + * of re-applying the setting after i915-triggered resets. + */ + if (!CCS_MASK(engine->gt)) + return; + + intel_uncore_write(engine->uncore, GEN12_RCU_MODE, + _MASKED_BIT_ENABLE(GEN12_RCU_MODE_CCS_ENABLE)); +} + #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "mock_engine.c" #include "selftest_engine.c" diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 36365bdbe1ee..19ff8758e34d 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -33,7 +33,8 @@ #define VIDEO_ENHANCEMENT_CLASS 2 #define COPY_ENGINE_CLASS 3 #define OTHER_CLASS 4 -#define MAX_ENGINE_CLASS 4 +#define COMPUTE_CLASS 5 +#define MAX_ENGINE_CLASS 5 #define MAX_ENGINE_INSTANCE 7 #define I915_MAX_SLICES 3 @@ -95,6 +96,7 @@ struct i915_ctx_workarounds { #define I915_MAX_VCS 8 #define I915_MAX_VECS 4 +#define I915_MAX_CCS 4 /* * Engine IDs definitions. @@ -117,6 +119,11 @@ enum intel_engine_id { VECS2, VECS3, #define _VECS(n) (VECS0 + (n)) + CCS0, + CCS1, + CCS2, + CCS3, +#define _CCS(n) (CCS0 + (n)) I915_NUM_ENGINES #define INVALID_ENGINE ((enum intel_engine_id)-1) }; @@ -517,6 +524,8 @@ struct intel_engine_cs { #define I915_ENGINE_HAS_RELATIVE_MMIO BIT(6) #define I915_ENGINE_REQUIRES_CMD_PARSER BIT(7) #define I915_ENGINE_WANT_FORCED_PREEMPTION BIT(8) +#define I915_ENGINE_HAS_RCS_REG_STATE BIT(9) +#define I915_ENGINE_HAS_EU_PRIORITY BIT(10) unsigned int flags; /* diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c index 9ce85a845105..b8c9b6b89003 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_user.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c @@ -47,6 +47,7 @@ static const u8 uabi_classes[] = { [COPY_ENGINE_CLASS] = I915_ENGINE_CLASS_COPY, [VIDEO_DECODE_CLASS] = I915_ENGINE_CLASS_VIDEO, [VIDEO_ENHANCEMENT_CLASS] = I915_ENGINE_CLASS_VIDEO_ENHANCE, + /* TODO: Add COMPUTE_CLASS mapping once ABI is available */ }; static int engine_cmp(void *priv, const struct list_head *A, @@ -139,6 +140,7 @@ const char *intel_engine_class_repr(u8 class) [COPY_ENGINE_CLASS] = "bcs", [VIDEO_DECODE_CLASS] = "vcs", [VIDEO_ENHANCEMENT_CLASS] = "vecs", + [COMPUTE_CLASS] = "ccs", }; if (class >= ARRAY_SIZE(uabi_names) || !uabi_names[class]) @@ -162,6 +164,7 @@ static int legacy_ring_idx(const struct legacy_ring *ring) [COPY_ENGINE_CLASS] = { BCS0, 1 }, [VIDEO_DECODE_CLASS] = { VCS0, I915_MAX_VCS }, [VIDEO_ENHANCEMENT_CLASS] = { VECS0, I915_MAX_VECS }, + [COMPUTE_CLASS] = { CCS0, I915_MAX_CCS }, }; if (GEM_DEBUG_WARN_ON(ring->class >= ARRAY_SIZE(map))) @@ -190,7 +193,7 @@ static void add_legacy_ring(struct legacy_ring *ring, void intel_engines_driver_register(struct drm_i915_private *i915) { struct legacy_ring ring = {}; - u8 uabi_instances[4] = {}; + u8 uabi_instances[5] = {}; struct list_head *it, *next; struct rb_node **p, *prev; LIST_HEAD(engines); diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c index 42bfbafad32a..1c602d4ae297 100644 --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c @@ -666,9 +666,13 @@ static inline void execlists_schedule_out(struct i915_request *rq) static u64 execlists_update_context(struct i915_request *rq) { struct intel_context *ce = rq->context; - u64 desc = ce->lrc.desc; + u64 desc; u32 tail, prev; + desc = ce->lrc.desc; + if (rq->engine->flags & I915_ENGINE_HAS_EU_PRIORITY) + desc |= lrc_desc_priority(rq_prio(rq)); + /* * WaIdleLiteRestore:bdw,skl * @@ -2908,6 +2912,9 @@ static int execlists_resume(struct intel_engine_cs *engine) enable_execlists(engine); + if (engine->class == RENDER_CLASS) + xehp_enable_ccs_engines(engine); + return 0; } @@ -3481,7 +3488,7 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine) logical_ring_default_vfuncs(engine); logical_ring_default_irqs(engine); - if (engine->class == RENDER_CLASS) + if (engine->flags & I915_ENGINE_HAS_RCS_REG_STATE) rcs_submission_override(engine); lrc_init_wa_ctx(engine); diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h index f8253012d166..d112ffd56418 100644 --- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h +++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h @@ -228,11 +228,14 @@ #define PIPE_CONTROL_COMMAND_CACHE_INVALIDATE (1<<29) /* gen11+ */ #define PIPE_CONTROL_TILE_CACHE_FLUSH (1<<28) /* gen11+ */ #define PIPE_CONTROL_FLUSH_L3 (1<<27) +#define PIPE_CONTROL_AMFS_FLUSH (1<<25) /* gen12+ */ #define PIPE_CONTROL_GLOBAL_GTT_IVB (1<<24) /* gen7+ */ #define PIPE_CONTROL_MMIO_WRITE (1<<23) #define PIPE_CONTROL_STORE_DATA_INDEX (1<<21) #define PIPE_CONTROL_CS_STALL (1<<20) +#define PIPE_CONTROL_GLOBAL_SNAPSHOT_RESET (1<<19) #define PIPE_CONTROL_TLB_INVALIDATE (1<<18) +#define PIPE_CONTROL_PSD_SYNC (1<<17) /* gen11+ */ #define PIPE_CONTROL_MEDIA_STATE_CLEAR (1<<16) #define PIPE_CONTROL_WRITE_TIMESTAMP (3<<14) #define PIPE_CONTROL_QW_WRITE (1<<14) @@ -254,6 +257,18 @@ #define PIPE_CONTROL_DEPTH_CACHE_FLUSH (1<<0) #define PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */ +/* 3D-related flags can't be set on compute engine */ +#define PIPE_CONTROL_3D_FLAGS (\ + PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH | \ + PIPE_CONTROL_DEPTH_CACHE_FLUSH | \ + PIPE_CONTROL_TILE_CACHE_FLUSH | \ + PIPE_CONTROL_DEPTH_STALL | \ + PIPE_CONTROL_STALL_AT_SCOREBOARD | \ + PIPE_CONTROL_PSD_SYNC | \ + PIPE_CONTROL_AMFS_FLUSH | \ + PIPE_CONTROL_VF_CACHE_INVALIDATE | \ + PIPE_CONTROL_GLOBAL_SNAPSHOT_RESET) + #define MI_MATH(x) MI_INSTR(0x1a, (x) - 1) #define MI_MATH_INSTR(opcode, op1, op2) ((opcode) << 20 | (op1) << 10 | (op2)) /* Opcodes for MI_MATH_INSTR */ diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index e8403fa53909..8a2483ccbfb9 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -65,8 +65,6 @@ int intel_gt_probe_lmem(struct intel_gt *gt) int err; mem = intel_gt_setup_lmem(gt); - if (mem == ERR_PTR(-ENODEV)) - mem = intel_gt_setup_fake_lmem(gt); if (IS_ERR(mem)) { err = PTR_ERR(mem); if (err == -ENODEV) @@ -458,7 +456,9 @@ static int intel_gt_init_scratch(struct intel_gt *gt, unsigned int size) struct i915_vma *vma; int ret; - obj = i915_gem_object_create_lmem(i915, size, I915_BO_ALLOC_VOLATILE); + obj = i915_gem_object_create_lmem(i915, size, + I915_BO_ALLOC_VOLATILE | + I915_BO_ALLOC_GPU_ONLY); if (IS_ERR(obj)) obj = i915_gem_object_create_stolen(i915, size); if (IS_ERR(obj)) @@ -913,6 +913,25 @@ u32 intel_gt_read_register_fw(struct intel_gt *gt, i915_reg_t reg) return intel_uncore_read_fw(gt->uncore, reg); } +u32 intel_gt_read_register(struct intel_gt *gt, i915_reg_t reg) +{ + int type; + u8 sliceid, subsliceid; + + for (type = 0; type < NUM_STEERING_TYPES; type++) { + if (intel_gt_reg_needs_read_steering(gt, reg, type)) { + intel_gt_get_valid_steering(gt, type, &sliceid, + &subsliceid); + return intel_uncore_read_with_mcr_steering(gt->uncore, + reg, + sliceid, + subsliceid); + } + } + + return intel_uncore_read(gt->uncore, reg); +} + void intel_gt_info_print(const struct intel_gt_info *info, struct drm_printer *p) { diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h index 2dad46c3eff2..0f571c8ee22b 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.h +++ b/drivers/gpu/drm/i915/gt/intel_gt.h @@ -85,6 +85,7 @@ static inline bool intel_gt_needs_read_steering(struct intel_gt *gt, } u32 intel_gt_read_register_fw(struct intel_gt *gt, i915_reg_t reg); +u32 intel_gt_read_register(struct intel_gt *gt, i915_reg_t reg); void intel_gt_info_print(const struct intel_gt_info *info, struct drm_printer *p); diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c b/drivers/gpu/drm/i915/gt/intel_gt_irq.c index 983264e10e0a..e443ac4c8059 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c @@ -100,7 +100,7 @@ gen11_gt_identity_handler(struct intel_gt *gt, const u32 identity) if (unlikely(!intr)) return; - if (class <= COPY_ENGINE_CLASS) + if (class <= COPY_ENGINE_CLASS || class == COMPUTE_CLASS) return gen11_engine_irq_handler(gt, class, instance, intr); if (class == OTHER_CLASS) @@ -182,6 +182,8 @@ void gen11_gt_irq_reset(struct intel_gt *gt) /* Disable RCS, BCS, VCS and VECS class engines. */ intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, 0); intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, 0); + if (CCS_MASK(gt)) + intel_uncore_write(uncore, GEN12_CCS_RSVD_INTR_ENABLE, 0); /* Restore masks irqs on RCS, BCS, VCS and VECS engines. */ intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~0); @@ -195,6 +197,10 @@ void gen11_gt_irq_reset(struct intel_gt *gt) intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~0); if (HAS_ENGINE(gt, VECS2) || HAS_ENGINE(gt, VECS3)) intel_uncore_write(uncore, GEN12_VECS2_VECS3_INTR_MASK, ~0); + if (HAS_ENGINE(gt, CCS0) || HAS_ENGINE(gt, CCS1)) + intel_uncore_write(uncore, GEN12_CCS0_CCS1_INTR_MASK, ~0); + if (HAS_ENGINE(gt, CCS2) || HAS_ENGINE(gt, CCS3)) + intel_uncore_write(uncore, GEN12_CCS2_CCS3_INTR_MASK, ~0); intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0); intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK, ~0); @@ -225,6 +231,8 @@ void gen11_gt_irq_postinstall(struct intel_gt *gt) /* Enable RCS, BCS, VCS and VECS class interrupts. */ intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, dmask); intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, dmask); + if (CCS_MASK(gt)) + intel_uncore_write(uncore, GEN12_CCS_RSVD_INTR_ENABLE, smask); /* Unmask irqs on RCS, BCS, VCS and VECS engines. */ intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~smask); @@ -238,6 +246,11 @@ void gen11_gt_irq_postinstall(struct intel_gt *gt) intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~dmask); if (HAS_ENGINE(gt, VECS2) || HAS_ENGINE(gt, VECS3)) intel_uncore_write(uncore, GEN12_VECS2_VECS3_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, CCS0) || HAS_ENGINE(gt, CCS1)) + intel_uncore_write(uncore, GEN12_CCS0_CCS1_INTR_MASK, ~dmask); + if (HAS_ENGINE(gt, CCS2) || HAS_ENGINE(gt, CCS3)) + intel_uncore_write(uncore, GEN12_CCS2_CCS3_INTR_MASK, ~dmask); + /* * RPS interrupts will get enabled/disabled on demand when RPS itself * is enabled/disabled. diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index 1545867c6da1..201b507c9dde 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -465,6 +465,9 @@ #define GEN9_PGCTL_SSB_EU210_ACK (1 << 12) #define GEN9_PGCTL_SSB_EU311_ACK (1 << 14) +#define VF_PREEMPTION _MMIO(0x83a4) +#define PREEMPTION_VERTEX_COUNT REG_GENMASK(15, 0) + #define GEN8_RC6_CTX_INFO _MMIO(0x8504) #define GEN12_SQCM _MMIO(0x8724) @@ -1057,6 +1060,7 @@ #define FLOW_CONTROL_ENABLE REG_BIT(15) #define UGM_BACKUP_MODE REG_BIT(13) #define MDQ_ARBITRATION_MODE REG_BIT(12) +#define SYSTOLIC_DOP_CLOCK_GATING_DIS REG_BIT(10) #define PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE REG_BIT(8) #define STALL_DOP_GATING_DISABLE REG_BIT(5) #define THROTTLE_12_5 REG_GENMASK(4, 2) @@ -1324,6 +1328,9 @@ #define ECOBITS_PPGTT_CACHE64B (3 << 8) #define ECOBITS_PPGTT_CACHE4B (0 << 8) +#define GEN12_RCU_MODE _MMIO(0x14800) +#define GEN12_RCU_MODE_CCS_ENABLE REG_BIT(0) + #define CHV_FUSE_GT _MMIO(VLV_DISPLAY_BASE + 0x2168) #define CHV_FGT_DISABLE_SS0 (1 << 10) #define CHV_FGT_DISABLE_SS1 (1 << 11) @@ -1448,6 +1455,10 @@ #define GEN11_KCR (19) #define GEN11_GTPM (16) #define GEN11_BCS (15) +#define GEN12_CCS3 (7) +#define GEN12_CCS2 (6) +#define GEN12_CCS1 (5) +#define GEN12_CCS0 (4) #define GEN11_RCS0 (0) #define GEN11_VECS(x) (31 - (x)) #define GEN11_VCS(x) (x) @@ -1460,6 +1471,7 @@ #define GEN11_GPM_WGBOXPERF_INTR_ENABLE _MMIO(0x19003c) #define GEN11_CRYPTO_RSVD_INTR_ENABLE _MMIO(0x190040) #define GEN11_GUNIT_CSME_INTR_ENABLE _MMIO(0x190044) +#define GEN12_CCS_RSVD_INTR_ENABLE _MMIO(0x190048) #define GEN11_INTR_IDENTITY_REG(x) _MMIO(0x190060 + ((x) * 4)) #define GEN11_INTR_DATA_VALID (1 << 31) @@ -1485,41 +1497,9 @@ #define GEN11_GPM_WGBOXPERF_INTR_MASK _MMIO(0x1900ec) #define GEN11_CRYPTO_RSVD_INTR_MASK _MMIO(0x1900f0) #define GEN11_GUNIT_CSME_INTR_MASK _MMIO(0x1900f4) +#define GEN12_CCS0_CCS1_INTR_MASK _MMIO(0x190100) +#define GEN12_CCS2_CCS3_INTR_MASK _MMIO(0x190104) #define GEN12_SFC_DONE(n) _MMIO(0x1cc000 + (n) * 0x1000) -enum { - INTEL_ADVANCED_CONTEXT = 0, - INTEL_LEGACY_32B_CONTEXT, - INTEL_ADVANCED_AD_CONTEXT, - INTEL_LEGACY_64B_CONTEXT -}; - -enum { - FAULT_AND_HANG = 0, - FAULT_AND_HALT, /* Debug only */ - FAULT_AND_STREAM, - FAULT_AND_CONTINUE /* Unsupported */ -}; - -#define CTX_GTT_ADDRESS_MASK GENMASK(31, 12) -#define GEN8_CTX_VALID (1 << 0) -#define GEN8_CTX_FORCE_PD_RESTORE (1 << 1) -#define GEN8_CTX_FORCE_RESTORE (1 << 2) -#define GEN8_CTX_L3LLC_COHERENT (1 << 5) -#define GEN8_CTX_PRIVILEGE (1 << 8) -#define GEN8_CTX_ADDRESSING_MODE_SHIFT 3 -#define GEN8_CTX_ID_SHIFT 32 -#define GEN8_CTX_ID_WIDTH 21 -#define GEN11_SW_CTX_ID_SHIFT 37 -#define GEN11_SW_CTX_ID_WIDTH 11 -#define GEN11_ENGINE_CLASS_SHIFT 61 -#define GEN11_ENGINE_CLASS_WIDTH 3 -#define GEN11_ENGINE_INSTANCE_SHIFT 48 -#define GEN11_ENGINE_INSTANCE_WIDTH 6 -#define XEHP_SW_CTX_ID_SHIFT 39 -#define XEHP_SW_CTX_ID_WIDTH 16 -#define XEHP_SW_COUNTER_SHIFT 58 -#define XEHP_SW_COUNTER_WIDTH 6 - #endif /* __INTEL_GT_REGS__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c index 2f9b6694ebdd..cc53b481a1c5 100644 --- a/drivers/gpu/drm/i915/gt/intel_gtt.c +++ b/drivers/gpu/drm/i915/gt/intel_gtt.c @@ -119,14 +119,19 @@ void __i915_vm_close(struct i915_address_space *vm) list_for_each_entry_safe(vma, vn, &vm->bound_list, vm_link) { struct drm_i915_gem_object *obj = vma->obj; - /* Keep the obj (and hence the vma) alive as _we_ destroy it */ - if (!kref_get_unless_zero(&obj->base.refcount)) + if (!kref_get_unless_zero(&obj->base.refcount)) { + /* + * Unbind the dying vma to ensure the bound_list + * is completely drained. We leave the destruction to + * the object destructor. + */ + atomic_and(~I915_VMA_PIN_MASK, &vma->flags); + WARN_ON(__i915_vma_unbind(vma)); continue; + } - atomic_and(~I915_VMA_PIN_MASK, &vma->flags); - WARN_ON(__i915_vma_unbind(vma)); - __i915_vma_put(vma); - + /* Keep the obj (and hence the vma) alive as _we_ destroy it */ + i915_vma_destroy_locked(vma); i915_gem_object_put(obj); } GEM_BUG_ON(!list_empty(&vm->bound_list)); @@ -237,6 +242,19 @@ void i915_address_space_init(struct i915_address_space *vm, int subclass) GEM_BUG_ON(!vm->total); drm_mm_init(&vm->mm, 0, vm->total); + + memset64(vm->min_alignment, I915_GTT_MIN_ALIGNMENT, + ARRAY_SIZE(vm->min_alignment)); + + if (HAS_64K_PAGES(vm->i915) && NEEDS_COMPACT_PT(vm->i915) && + subclass == VM_CLASS_PPGTT) { + vm->min_alignment[INTEL_MEMORY_LOCAL] = I915_GTT_PAGE_SIZE_2M; + vm->min_alignment[INTEL_MEMORY_STOLEN_LOCAL] = I915_GTT_PAGE_SIZE_2M; + } else if (HAS_64K_PAGES(vm->i915)) { + vm->min_alignment[INTEL_MEMORY_LOCAL] = I915_GTT_PAGE_SIZE_64K; + vm->min_alignment[INTEL_MEMORY_STOLEN_LOCAL] = I915_GTT_PAGE_SIZE_64K; + } + vm->mm.head_node.color = I915_COLOR_UNEVICTABLE; INIT_LIST_HEAD(&vm->bound_list); diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.h b/drivers/gpu/drm/i915/gt/intel_gtt.h index b12ecee49de0..ba7025388a5e 100644 --- a/drivers/gpu/drm/i915/gt/intel_gtt.h +++ b/drivers/gpu/drm/i915/gt/intel_gtt.h @@ -29,6 +29,8 @@ #include "i915_selftest.h" #include "i915_vma_resource.h" #include "i915_vma_types.h" +#include "i915_params.h" +#include "intel_memory_region.h" #define I915_GFP_ALLOW_FAIL (GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN) @@ -90,6 +92,8 @@ typedef u64 gen8_pte_t; #define GEN12_GGTT_PTE_LM BIT_ULL(1) +#define GEN12_PDE_64K BIT(6) + /* * Cacheability Control is a 4-bit value. The low three bits are stored in bits * 3:1 of the PTE, while the fourth bit is stored in bit 11 of the PTE. @@ -158,6 +162,7 @@ struct i915_page_table { atomic_t used; struct i915_page_table *stash; }; + bool is_compact; }; struct i915_page_directory { @@ -195,6 +200,14 @@ void *__px_vaddr(struct drm_i915_gem_object *p); struct i915_vm_pt_stash { /* preallocated chains of page tables/directories */ struct i915_page_table *pt[2]; + /* + * Optionally override the alignment/size of the physical page that + * contains each PT. If not set defaults back to the usual + * I915_GTT_PAGE_SIZE_4K. This does not influence the other paging + * structures. MUST be a power-of-two. ONLY applicable on discrete + * platforms. + */ + int pt_sz; }; struct i915_vma_ops { @@ -223,6 +236,7 @@ struct i915_address_space { struct device *dma; u64 total; /* size addr space maps (ex. 2GB for ggtt) */ u64 reserved; /* size addr space reserved */ + u64 min_alignment[INTEL_MEMORY_STOLEN_LOCAL + 1]; unsigned int bind_async_flags; @@ -386,6 +400,25 @@ i915_vm_has_scratch_64K(struct i915_address_space *vm) return vm->scratch_order == get_order(I915_GTT_PAGE_SIZE_64K); } +static inline u64 i915_vm_min_alignment(struct i915_address_space *vm, + enum intel_memory_type type) +{ + /* avoid INTEL_MEMORY_MOCK overflow */ + if ((int)type >= ARRAY_SIZE(vm->min_alignment)) + type = INTEL_MEMORY_SYSTEM; + + return vm->min_alignment[type]; +} + +static inline u64 i915_vm_obj_min_alignment(struct i915_address_space *vm, + struct drm_i915_gem_object *obj) +{ + struct intel_memory_region *mr = READ_ONCE(obj->mm.region); + enum intel_memory_type type = mr ? mr->type : INTEL_MEMORY_SYSTEM; + + return i915_vm_min_alignment(vm, type); +} + static inline bool i915_vm_has_cache_coloring(struct i915_address_space *vm) { @@ -572,7 +605,7 @@ void free_scratch(struct i915_address_space *vm); struct drm_i915_gem_object *alloc_pt_dma(struct i915_address_space *vm, int sz); struct drm_i915_gem_object *alloc_pt_lmem(struct i915_address_space *vm, int sz); -struct i915_page_table *alloc_pt(struct i915_address_space *vm); +struct i915_page_table *alloc_pt(struct i915_address_space *vm, int sz); struct i915_page_directory *alloc_pd(struct i915_address_space *vm); struct i915_page_directory *__alloc_pd(int npde); diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 004e1216e654..07bef7128fdb 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -623,7 +623,7 @@ static const u8 *reg_offsets(const struct intel_engine_cs *engine) GEM_BUG_ON(GRAPHICS_VER(engine->i915) >= 12 && !intel_engine_has_relative_mmio(engine)); - if (engine->class == RENDER_CLASS) { + if (engine->flags & I915_ENGINE_HAS_RCS_REG_STATE) { if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 55)) return dg2_rcs_offsets; else if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50)) @@ -1217,6 +1217,14 @@ gen12_emit_indirect_ctx_xcs(const struct intel_context *ce, u32 *cs) cs = gen12_emit_timestamp_wa(ce, cs); cs = gen12_emit_restore_scratch(ce, cs); + /* Wa_16013000631:dg2 */ + if (IS_DG2_GRAPHICS_STEP(ce->engine->i915, G10, STEP_B0, STEP_C0) || + IS_DG2_G11(ce->engine->i915)) + if (ce->engine->class == COMPUTE_CLASS) + cs = gen8_emit_pipe_control(cs, + PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE, + 0); + return cs; } @@ -1619,7 +1627,7 @@ void lrc_init_wa_ctx(struct intel_engine_cs *engine) unsigned int i; int err; - if (engine->class != RENDER_CLASS) + if (!(engine->flags & I915_ENGINE_HAS_RCS_REG_STATE)) return; switch (GRAPHICS_VER(engine->i915)) { diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.h b/drivers/gpu/drm/i915/gt/intel_lrc.h index 0b76f096b559..6e4f9f58fca5 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.h +++ b/drivers/gpu/drm/i915/gt/intel_lrc.h @@ -6,6 +6,9 @@ #ifndef __INTEL_LRC_H__ #define __INTEL_LRC_H__ +#include "i915_priolist_types.h" + +#include <linux/bitfield.h> #include <linux/types.h> struct drm_i915_gem_object; @@ -69,4 +72,52 @@ void lrc_check_regs(const struct intel_context *ce, void lrc_update_runtime(struct intel_context *ce); +enum { + INTEL_ADVANCED_CONTEXT = 0, + INTEL_LEGACY_32B_CONTEXT, + INTEL_ADVANCED_AD_CONTEXT, + INTEL_LEGACY_64B_CONTEXT +}; + +enum { + FAULT_AND_HANG = 0, + FAULT_AND_HALT, /* Debug only */ + FAULT_AND_STREAM, + FAULT_AND_CONTINUE /* Unsupported */ +}; + +#define CTX_GTT_ADDRESS_MASK GENMASK(31, 12) +#define GEN8_CTX_VALID (1 << 0) +#define GEN8_CTX_FORCE_PD_RESTORE (1 << 1) +#define GEN8_CTX_FORCE_RESTORE (1 << 2) +#define GEN8_CTX_L3LLC_COHERENT (1 << 5) +#define GEN8_CTX_PRIVILEGE (1 << 8) +#define GEN8_CTX_ADDRESSING_MODE_SHIFT 3 +#define GEN12_CTX_PRIORITY_MASK GENMASK(10, 9) +#define GEN12_CTX_PRIORITY_HIGH FIELD_PREP(GEN12_CTX_PRIORITY_MASK, 2) +#define GEN12_CTX_PRIORITY_NORMAL FIELD_PREP(GEN12_CTX_PRIORITY_MASK, 1) +#define GEN12_CTX_PRIORITY_LOW FIELD_PREP(GEN12_CTX_PRIORITY_MASK, 0) +#define GEN8_CTX_ID_SHIFT 32 +#define GEN8_CTX_ID_WIDTH 21 +#define GEN11_SW_CTX_ID_SHIFT 37 +#define GEN11_SW_CTX_ID_WIDTH 11 +#define GEN11_ENGINE_CLASS_SHIFT 61 +#define GEN11_ENGINE_CLASS_WIDTH 3 +#define GEN11_ENGINE_INSTANCE_SHIFT 48 +#define GEN11_ENGINE_INSTANCE_WIDTH 6 +#define XEHP_SW_CTX_ID_SHIFT 39 +#define XEHP_SW_CTX_ID_WIDTH 16 +#define XEHP_SW_COUNTER_SHIFT 58 +#define XEHP_SW_COUNTER_WIDTH 6 + +static inline u32 lrc_desc_priority(int prio) +{ + if (prio > I915_PRIORITY_NORMAL) + return GEN12_CTX_PRIORITY_HIGH; + else if (prio < I915_PRIORITY_NORMAL) + return GEN12_CTX_PRIORITY_LOW; + else + return GEN12_CTX_PRIORITY_NORMAL; +} + #endif /* __INTEL_LRC_H__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index 18b44af56969..20444d6ceb3c 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -32,6 +32,38 @@ static bool engine_supports_migration(struct intel_engine_cs *engine) return true; } +static void xehpsdv_toggle_pdes(struct i915_address_space *vm, + struct i915_page_table *pt, + void *data) +{ + struct insert_pte_data *d = data; + + /* + * Insert a dummy PTE into every PT that will map to LMEM to ensure + * we have a correctly setup PDE structure for later use. + */ + vm->insert_page(vm, 0, d->offset, I915_CACHE_NONE, PTE_LM); + GEM_BUG_ON(!pt->is_compact); + d->offset += SZ_2M; +} + +static void xehpsdv_insert_pte(struct i915_address_space *vm, + struct i915_page_table *pt, + void *data) +{ + struct insert_pte_data *d = data; + + /* + * We are playing tricks here, since the actual pt, from the hw + * pov, is only 256bytes with 32 entries, or 4096bytes with 512 + * entries, but we are still guaranteed that the physical + * alignment is 64K underneath for the pt, and we are careful + * not to access the space in the void. + */ + vm->insert_page(vm, px_dma(pt), d->offset, I915_CACHE_NONE, PTE_LM); + d->offset += SZ_64K; +} + static void insert_pte(struct i915_address_space *vm, struct i915_page_table *pt, void *data) @@ -74,7 +106,32 @@ static struct i915_address_space *migrate_vm(struct intel_gt *gt) * i.e. within the same non-preemptible window so that we do not switch * to another migration context that overwrites the PTE. * - * TODO: Add support for huge LMEM PTEs + * This changes quite a bit on platforms with HAS_64K_PAGES support, + * where we instead have three windows, each CHUNK_SIZE in size. The + * first is reserved for mapping system-memory, and that just uses the + * 512 entry layout using 4K GTT pages. The other two windows just map + * lmem pages and must use the new compact 32 entry layout using 64K GTT + * pages, which ensures we can address any lmem object that the user + * throws at us. We then also use the xehpsdv_toggle_pdes as a way of + * just toggling the PDE bit(GEN12_PDE_64K) for us, to enable the + * compact layout for each of these page-tables, that fall within the + * [CHUNK_SIZE, 3 * CHUNK_SIZE) range. + * + * We lay the ppGTT out as: + * + * [0, CHUNK_SZ) -> first window/object, maps smem + * [CHUNK_SZ, 2 * CHUNK_SZ) -> second window/object, maps lmem src + * [2 * CHUNK_SZ, 3 * CHUNK_SZ) -> third window/object, maps lmem dst + * + * For the PTE window it's also quite different, since each PTE must + * point to some 64K page, one for each PT(since it's in lmem), and yet + * each is only <= 4096bytes, but since the unused space within that PTE + * range is never touched, this should be fine. + * + * So basically each PT now needs 64K of virtual memory, instead of 4K, + * which looks like: + * + * [3 * CHUNK_SZ, 3 * CHUNK_SZ + ((3 * CHUNK_SZ / SZ_2M) * SZ_64K)] -> PTE */ vm = i915_ppgtt_create(gt, I915_BO_ALLOC_PM_EARLY); @@ -86,6 +143,9 @@ static struct i915_address_space *migrate_vm(struct intel_gt *gt) goto err_vm; } + if (HAS_64K_PAGES(gt->i915)) + stash.pt_sz = I915_GTT_PAGE_SIZE_64K; + /* * Each engine instance is assigned its own chunk in the VM, so * that we can run multiple instances concurrently @@ -105,14 +165,20 @@ static struct i915_address_space *migrate_vm(struct intel_gt *gt) * We copy in 8MiB chunks. Each PDE covers 2MiB, so we need * 4x2 page directories for source/destination. */ - sz = 2 * CHUNK_SZ; + if (HAS_64K_PAGES(gt->i915)) + sz = 3 * CHUNK_SZ; + else + sz = 2 * CHUNK_SZ; d.offset = base + sz; /* * We need another page directory setup so that we can write * the 8x512 PTE in each chunk. */ - sz += (sz >> 12) * sizeof(u64); + if (HAS_64K_PAGES(gt->i915)) + sz += (sz / SZ_2M) * SZ_64K; + else + sz += (sz >> 12) * sizeof(u64); err = i915_vm_alloc_pt_stash(&vm->vm, &stash, sz); if (err) @@ -133,7 +199,18 @@ static struct i915_address_space *migrate_vm(struct intel_gt *gt) goto err_vm; /* Now allow the GPU to rewrite the PTE via its own ppGTT */ - vm->vm.foreach(&vm->vm, base, d.offset - base, insert_pte, &d); + if (HAS_64K_PAGES(gt->i915)) { + vm->vm.foreach(&vm->vm, base, d.offset - base, + xehpsdv_insert_pte, &d); + d.offset = base + CHUNK_SZ; + vm->vm.foreach(&vm->vm, + d.offset, + 2 * CHUNK_SZ, + xehpsdv_toggle_pdes, &d); + } else { + vm->vm.foreach(&vm->vm, base, d.offset - base, + insert_pte, &d); + } } return &vm->vm; @@ -269,19 +346,38 @@ static int emit_pte(struct i915_request *rq, u64 offset, int length) { + bool has_64K_pages = HAS_64K_PAGES(rq->engine->i915); const u64 encode = rq->context->vm->pte_encode(0, cache_level, is_lmem ? PTE_LM : 0); struct intel_ring *ring = rq->ring; - int total = 0; + int pkt, dword_length; + u32 total = 0; + u32 page_size; u32 *hdr, *cs; - int pkt; GEM_BUG_ON(GRAPHICS_VER(rq->engine->i915) < 8); + page_size = I915_GTT_PAGE_SIZE; + dword_length = 0x400; + /* Compute the page directory offset for the target address range */ - offset >>= 12; - offset *= sizeof(u64); - offset += 2 * CHUNK_SZ; + if (has_64K_pages) { + GEM_BUG_ON(!IS_ALIGNED(offset, SZ_2M)); + + offset /= SZ_2M; + offset *= SZ_64K; + offset += 3 * CHUNK_SZ; + + if (is_lmem) { + page_size = I915_GTT_PAGE_SIZE_64K; + dword_length = 0x40; + } + } else { + offset >>= 12; + offset *= sizeof(u64); + offset += 2 * CHUNK_SZ; + } + offset += (u64)rq->engine->instance << 32; cs = intel_ring_begin(rq, 6); @@ -289,7 +385,7 @@ static int emit_pte(struct i915_request *rq, return PTR_ERR(cs); /* Pack as many PTE updates as possible into a single MI command */ - pkt = min_t(int, 0x400, ring->space / sizeof(u32) + 5); + pkt = min_t(int, dword_length, ring->space / sizeof(u32) + 5); pkt = min_t(int, pkt, (ring->size - ring->emit) / sizeof(u32) + 5); hdr = cs; @@ -299,6 +395,8 @@ static int emit_pte(struct i915_request *rq, do { if (cs - hdr >= pkt) { + int dword_rem; + *hdr += cs - hdr - 2; *cs++ = MI_NOOP; @@ -310,7 +408,18 @@ static int emit_pte(struct i915_request *rq, if (IS_ERR(cs)) return PTR_ERR(cs); - pkt = min_t(int, 0x400, ring->space / sizeof(u32) + 5); + dword_rem = dword_length; + if (has_64K_pages) { + if (IS_ALIGNED(total, SZ_2M)) { + offset = round_up(offset, SZ_64K); + } else { + dword_rem = SZ_2M - (total & (SZ_2M - 1)); + dword_rem /= page_size; + dword_rem *= 2; + } + } + + pkt = min_t(int, dword_rem, ring->space / sizeof(u32) + 5); pkt = min_t(int, pkt, (ring->size - ring->emit) / sizeof(u32) + 5); hdr = cs; @@ -319,13 +428,15 @@ static int emit_pte(struct i915_request *rq, *cs++ = upper_32_bits(offset); } + GEM_BUG_ON(!IS_ALIGNED(it->dma, page_size)); + *cs++ = lower_32_bits(encode | it->dma); *cs++ = upper_32_bits(encode | it->dma); offset += 8; - total += I915_GTT_PAGE_SIZE; + total += page_size; - it->dma += I915_GTT_PAGE_SIZE; + it->dma += page_size; if (it->dma >= it->max) { it->sg = __sg_next(it->sg); if (!it->sg || sg_dma_len(it->sg) == 0) @@ -356,7 +467,8 @@ static bool wa_1209644611_applies(int ver, u32 size) return height % 4 == 3 && height <= 8; } -static int emit_copy(struct i915_request *rq, int size) +static int emit_copy(struct i915_request *rq, + u32 dst_offset, u32 src_offset, int size) { const int ver = GRAPHICS_VER(rq->engine->i915); u32 instance = rq->engine->instance; @@ -371,31 +483,31 @@ static int emit_copy(struct i915_request *rq, int size) *cs++ = BLT_DEPTH_32 | PAGE_SIZE; *cs++ = 0; *cs++ = size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4; - *cs++ = CHUNK_SZ; /* dst offset */ + *cs++ = dst_offset; *cs++ = instance; *cs++ = 0; *cs++ = PAGE_SIZE; - *cs++ = 0; /* src offset */ + *cs++ = src_offset; *cs++ = instance; } else if (ver >= 8) { *cs++ = XY_SRC_COPY_BLT_CMD | BLT_WRITE_RGBA | (10 - 2); *cs++ = BLT_DEPTH_32 | BLT_ROP_SRC_COPY | PAGE_SIZE; *cs++ = 0; *cs++ = size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4; - *cs++ = CHUNK_SZ; /* dst offset */ + *cs++ = dst_offset; *cs++ = instance; *cs++ = 0; *cs++ = PAGE_SIZE; - *cs++ = 0; /* src offset */ + *cs++ = src_offset; *cs++ = instance; } else { GEM_BUG_ON(instance); *cs++ = SRC_COPY_BLT_CMD | BLT_WRITE_RGBA | (6 - 2); *cs++ = BLT_DEPTH_32 | BLT_ROP_SRC_COPY | PAGE_SIZE; *cs++ = size >> PAGE_SHIFT << 16 | PAGE_SIZE; - *cs++ = CHUNK_SZ; /* dst offset */ + *cs++ = dst_offset; *cs++ = PAGE_SIZE; - *cs++ = 0; /* src offset */ + *cs++ = src_offset; } intel_ring_advance(rq, cs); @@ -423,6 +535,7 @@ intel_context_migrate_copy(struct intel_context *ce, GEM_BUG_ON(ce->ring->size < SZ_64K); do { + u32 src_offset, dst_offset; int len; rq = i915_request_create(ce); @@ -450,15 +563,28 @@ intel_context_migrate_copy(struct intel_context *ce, if (err) goto out_rq; - len = emit_pte(rq, &it_src, src_cache_level, src_is_lmem, 0, - CHUNK_SZ); + src_offset = 0; + dst_offset = CHUNK_SZ; + if (HAS_64K_PAGES(ce->engine->i915)) { + GEM_BUG_ON(!src_is_lmem && !dst_is_lmem); + + src_offset = 0; + dst_offset = 0; + if (src_is_lmem) + src_offset = CHUNK_SZ; + if (dst_is_lmem) + dst_offset = 2 * CHUNK_SZ; + } + + len = emit_pte(rq, &it_src, src_cache_level, src_is_lmem, + src_offset, CHUNK_SZ); if (len <= 0) { err = len; goto out_rq; } err = emit_pte(rq, &it_dst, dst_cache_level, dst_is_lmem, - CHUNK_SZ, len); + dst_offset, len); if (err < 0) goto out_rq; if (err < len) { @@ -470,7 +596,7 @@ intel_context_migrate_copy(struct intel_context *ce, if (err) goto out_rq; - err = emit_copy(rq, len); + err = emit_copy(rq, dst_offset, src_offset, len); /* Arbitration is re-enabled between requests. */ out_rq: @@ -488,14 +614,15 @@ out_ce: return err; } -static int emit_clear(struct i915_request *rq, int size, u32 value) +static int emit_clear(struct i915_request *rq, u64 offset, int size, u32 value) { const int ver = GRAPHICS_VER(rq->engine->i915); - u32 instance = rq->engine->instance; u32 *cs; GEM_BUG_ON(size >> PAGE_SHIFT > S16_MAX); + offset += (u64)rq->engine->instance << 32; + cs = intel_ring_begin(rq, ver >= 8 ? 8 : 6); if (IS_ERR(cs)) return PTR_ERR(cs); @@ -505,17 +632,17 @@ static int emit_clear(struct i915_request *rq, int size, u32 value) *cs++ = BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | PAGE_SIZE; *cs++ = 0; *cs++ = size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4; - *cs++ = 0; /* offset */ - *cs++ = instance; + *cs++ = lower_32_bits(offset); + *cs++ = upper_32_bits(offset); *cs++ = value; *cs++ = MI_NOOP; } else { - GEM_BUG_ON(instance); + GEM_BUG_ON(upper_32_bits(offset)); *cs++ = XY_COLOR_BLT_CMD | BLT_WRITE_RGBA | (6 - 2); *cs++ = BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | PAGE_SIZE; *cs++ = 0; *cs++ = size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4; - *cs++ = 0; + *cs++ = lower_32_bits(offset); *cs++ = value; } @@ -542,6 +669,7 @@ intel_context_migrate_clear(struct intel_context *ce, GEM_BUG_ON(ce->ring->size < SZ_64K); do { + u32 offset; int len; rq = i915_request_create(ce); @@ -569,7 +697,11 @@ intel_context_migrate_clear(struct intel_context *ce, if (err) goto out_rq; - len = emit_pte(rq, &it, cache_level, is_lmem, 0, CHUNK_SZ); + offset = 0; + if (HAS_64K_PAGES(ce->engine->i915) && is_lmem) + offset = CHUNK_SZ; + + len = emit_pte(rq, &it, cache_level, is_lmem, offset, CHUNK_SZ); if (len <= 0) { err = len; goto out_rq; @@ -579,7 +711,7 @@ intel_context_migrate_clear(struct intel_context *ce, if (err) goto out_rq; - err = emit_clear(rq, len, value); + err = emit_clear(rq, offset, len, value); /* Arbitration is re-enabled between requests. */ out_rq: diff --git a/drivers/gpu/drm/i915/gt/intel_ppgtt.c b/drivers/gpu/drm/i915/gt/intel_ppgtt.c index 48e6e2f87700..d91e2beb7517 100644 --- a/drivers/gpu/drm/i915/gt/intel_ppgtt.c +++ b/drivers/gpu/drm/i915/gt/intel_ppgtt.c @@ -12,7 +12,7 @@ #include "gen6_ppgtt.h" #include "gen8_ppgtt.h" -struct i915_page_table *alloc_pt(struct i915_address_space *vm) +struct i915_page_table *alloc_pt(struct i915_address_space *vm, int sz) { struct i915_page_table *pt; @@ -20,12 +20,13 @@ struct i915_page_table *alloc_pt(struct i915_address_space *vm) if (unlikely(!pt)) return ERR_PTR(-ENOMEM); - pt->base = vm->alloc_pt_dma(vm, I915_GTT_PAGE_SIZE_4K); + pt->base = vm->alloc_pt_dma(vm, sz); if (IS_ERR(pt->base)) { kfree(pt); return ERR_PTR(-ENOMEM); } + pt->is_compact = false; atomic_set(&pt->used, 0); return pt; } @@ -220,17 +221,25 @@ int i915_vm_alloc_pt_stash(struct i915_address_space *vm, u64 size) { unsigned long count; - int shift, n; + int shift, n, pt_sz; shift = vm->pd_shift; if (!shift) return 0; + pt_sz = stash->pt_sz; + if (!pt_sz) + pt_sz = I915_GTT_PAGE_SIZE_4K; + else + GEM_BUG_ON(!IS_DGFX(vm->i915)); + + GEM_BUG_ON(!is_power_of_2(pt_sz)); + count = pd_count(size, shift); while (count--) { struct i915_page_table *pt; - pt = alloc_pt(vm); + pt = alloc_pt(vm, pt_sz); if (IS_ERR(pt)) { i915_vm_free_pt_stash(vm, stash); return PTR_ERR(pt); diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index a04e0cf4a94b..6cecfdae07ad 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -14,60 +14,6 @@ #include "gt/intel_gt.h" #include "gt/intel_gt_regs.h" -static int init_fake_lmem_bar(struct intel_memory_region *mem) -{ - struct drm_i915_private *i915 = mem->i915; - struct i915_ggtt *ggtt = to_gt(i915)->ggtt; - unsigned long n; - int ret; - - /* We want to 1:1 map the mappable aperture to our reserved region */ - - mem->fake_mappable.start = 0; - mem->fake_mappable.size = resource_size(&mem->region); - mem->fake_mappable.color = I915_COLOR_UNEVICTABLE; - - ret = drm_mm_reserve_node(&ggtt->vm.mm, &mem->fake_mappable); - if (ret) - return ret; - - mem->remap_addr = dma_map_resource(i915->drm.dev, - mem->region.start, - mem->fake_mappable.size, - DMA_BIDIRECTIONAL, - DMA_ATTR_FORCE_CONTIGUOUS); - if (dma_mapping_error(i915->drm.dev, mem->remap_addr)) { - drm_mm_remove_node(&mem->fake_mappable); - return -EINVAL; - } - - for (n = 0; n < mem->fake_mappable.size >> PAGE_SHIFT; ++n) { - ggtt->vm.insert_page(&ggtt->vm, - mem->remap_addr + (n << PAGE_SHIFT), - n << PAGE_SHIFT, - I915_CACHE_NONE, 0); - } - - mem->region = (struct resource)DEFINE_RES_MEM(mem->remap_addr, - mem->fake_mappable.size); - - return 0; -} - -static void release_fake_lmem_bar(struct intel_memory_region *mem) -{ - if (!drm_mm_node_allocated(&mem->fake_mappable)) - return; - - drm_mm_remove_node(&mem->fake_mappable); - - dma_unmap_resource(mem->i915->drm.dev, - mem->remap_addr, - mem->fake_mappable.size, - DMA_BIDIRECTIONAL, - DMA_ATTR_FORCE_CONTIGUOUS); -} - static int region_lmem_release(struct intel_memory_region *mem) { @@ -75,7 +21,6 @@ region_lmem_release(struct intel_memory_region *mem) ret = intel_region_ttm_fini(mem); io_mapping_fini(&mem->iomap); - release_fake_lmem_bar(mem); return ret; } @@ -85,17 +30,10 @@ region_lmem_init(struct intel_memory_region *mem) { int ret; - if (mem->i915->params.fake_lmem_start) { - ret = init_fake_lmem_bar(mem); - GEM_BUG_ON(ret); - } - if (!io_mapping_init_wc(&mem->iomap, mem->io_start, - resource_size(&mem->region))) { - ret = -EIO; - goto out_no_io; - } + mem->io_size)) + return -EIO; ret = intel_region_ttm_init(mem); if (ret) @@ -105,8 +43,6 @@ region_lmem_init(struct intel_memory_region *mem) out_no_buddy: io_mapping_fini(&mem->iomap); -out_no_io: - release_fake_lmem_bar(mem); return ret; } @@ -117,50 +53,6 @@ static const struct intel_memory_region_ops intel_region_lmem_ops = { .init_object = __i915_gem_ttm_object_init, }; -struct intel_memory_region * -intel_gt_setup_fake_lmem(struct intel_gt *gt) -{ - struct drm_i915_private *i915 = gt->i915; - struct pci_dev *pdev = to_pci_dev(i915->drm.dev); - struct intel_memory_region *mem; - resource_size_t mappable_end; - resource_size_t io_start; - resource_size_t start; - - if (!HAS_LMEM(i915)) - return ERR_PTR(-ENODEV); - - if (!i915->params.fake_lmem_start) - return ERR_PTR(-ENODEV); - - GEM_BUG_ON(i915_ggtt_has_aperture(to_gt(i915)->ggtt)); - - /* Your mappable aperture belongs to me now! */ - mappable_end = pci_resource_len(pdev, 2); - io_start = pci_resource_start(pdev, 2); - start = i915->params.fake_lmem_start; - - mem = intel_memory_region_create(i915, - start, - mappable_end, - PAGE_SIZE, - io_start, - INTEL_MEMORY_LOCAL, - 0, - &intel_region_lmem_ops); - if (!IS_ERR(mem)) { - drm_info(&i915->drm, "Intel graphics fake LMEM: %pR\n", - &mem->region); - drm_info(&i915->drm, - "Intel graphics fake LMEM IO start: %llx\n", - (u64)mem->io_start); - drm_info(&i915->drm, "Intel graphics fake LMEM size: %llx\n", - (u64)resource_size(&mem->region)); - } - - return mem; -} - static bool get_legacy_lowmem_region(struct intel_uncore *uncore, u64 *start, u32 *size) { @@ -207,8 +99,29 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) if (!IS_DGFX(i915)) return ERR_PTR(-ENODEV); - /* Stolen starts from GSMBASE on DG1 */ - lmem_size = intel_uncore_read64(uncore, GEN12_GSMBASE); + if (HAS_FLAT_CCS(i915)) { + u64 tile_stolen, flat_ccs_base; + + lmem_size = pci_resource_len(pdev, 2); + flat_ccs_base = intel_gt_read_register(gt, XEHPSDV_FLAT_CCS_BASE_ADDR); + flat_ccs_base = (flat_ccs_base >> XEHPSDV_CCS_BASE_SHIFT) * SZ_64K; + + if (GEM_WARN_ON(lmem_size < flat_ccs_base)) + return ERR_PTR(-ENODEV); + + tile_stolen = lmem_size - flat_ccs_base; + + /* If the FLAT_CCS_BASE_ADDR register is not populated, flag an error */ + if (tile_stolen == lmem_size) + drm_err(&i915->drm, + "CCS_BASE_ADDR register did not have expected value\n"); + + lmem_size -= tile_stolen; + } else { + /* Stolen starts from GSMBASE without CCS */ + lmem_size = intel_uncore_read64(&i915->uncore, GEN12_GSMBASE); + } + io_start = pci_resource_start(pdev, 2); if (GEM_WARN_ON(lmem_size > pci_resource_len(pdev, 2))) @@ -221,6 +134,7 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) lmem_size, min_page_size, io_start, + lmem_size, INTEL_MEMORY_LOCAL, 0, &intel_region_lmem_ops); @@ -234,6 +148,8 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) drm_dbg(&i915->drm, "Local memory: %pR\n", &mem->region); drm_dbg(&i915->drm, "Local memory IO start: %pa\n", &mem->io_start); + drm_info(&i915->drm, "Local memory IO size: %pa\n", + &mem->io_size); drm_info(&i915->drm, "Local memory available: %pa\n", &lmem_size); diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.h b/drivers/gpu/drm/i915/gt/intel_region_lmem.h index 062d0542ae34..1438576b527a 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.h +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.h @@ -10,7 +10,4 @@ struct intel_gt; struct intel_memory_region *intel_gt_setup_lmem(struct intel_gt *gt); -struct intel_memory_region * -intel_gt_setup_fake_lmem(struct intel_gt *gt); - #endif /* !__INTEL_REGION_LMEM_H */ diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c index f691b7614437..a9c13b1a3018 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.c +++ b/drivers/gpu/drm/i915/gt/intel_rps.c @@ -1491,7 +1491,7 @@ void intel_rps_enable(struct intel_rps *rps) if (has_busy_stats(rps)) intel_rps_set_timer(rps); - else if (GRAPHICS_VER(i915) >= 6) + else if (GRAPHICS_VER(i915) >= 6 && GRAPHICS_VER(i915) <= 11) intel_rps_set_interrupts(rps); else /* Ironlake currently uses intel_ips.ko */ {} diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c index 4ae8356dcc2a..614915ffbd37 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.c +++ b/drivers/gpu/drm/i915/gt/intel_sseu.c @@ -34,7 +34,9 @@ intel_sseu_subslice_total(const struct sseu_dev_info *sseu) return total; } -u32 intel_sseu_get_subslices(const struct sseu_dev_info *sseu, u8 slice) +static u32 +_intel_sseu_get_subslices(const struct sseu_dev_info *sseu, + const u8 *subslice_mask, u8 slice) { int i, offset = slice * sseu->ss_stride; u32 mask = 0; @@ -42,12 +44,21 @@ u32 intel_sseu_get_subslices(const struct sseu_dev_info *sseu, u8 slice) GEM_BUG_ON(slice >= sseu->max_slices); for (i = 0; i < sseu->ss_stride; i++) - mask |= (u32)sseu->subslice_mask[offset + i] << - i * BITS_PER_BYTE; + mask |= (u32)subslice_mask[offset + i] << i * BITS_PER_BYTE; return mask; } +u32 intel_sseu_get_subslices(const struct sseu_dev_info *sseu, u8 slice) +{ + return _intel_sseu_get_subslices(sseu, sseu->subslice_mask, slice); +} + +u32 intel_sseu_get_compute_subslices(const struct sseu_dev_info *sseu) +{ + return _intel_sseu_get_subslices(sseu, sseu->compute_subslice_mask, 0); +} + void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, u8 *subslice_mask, u32 ss_mask) { diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h index 60882a74741e..8a79cd8eaab4 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.h +++ b/drivers/gpu/drm/i915/gt/intel_sseu.h @@ -103,7 +103,9 @@ intel_sseu_subslice_total(const struct sseu_dev_info *sseu); unsigned int intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice); -u32 intel_sseu_get_subslices(const struct sseu_dev_info *sseu, u8 slice); +u32 intel_sseu_get_subslices(const struct sseu_dev_info *sseu, u8 slice); + +u32 intel_sseu_get_compute_subslices(const struct sseu_dev_info *sseu); void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, u8 *subslice_mask, u32 ss_mask); diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 26038066e90b..c014b40d2e9f 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -684,11 +684,10 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine, wa_masked_en(wal, SLICE_COMMON_ECO_CHICKEN1, MSC_MSAA_REODER_BUF_BYPASS_DISABLE); - /* Wa_22012532006:dg2 */ - if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_C0) || - IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0)) - wa_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7, - DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA); + /* Wa_14014947963:dg2 */ + if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_B0, STEP_FOREVER) || + IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915)) + wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000); } static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine, @@ -1344,12 +1343,6 @@ xehpsdv_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) /* Wa_1409757795:xehpsdv */ wa_write_or(wal, SCCGCTL94DC, CG3DDISURB); - /* Wa_18011725039:xehpsdv */ - if (IS_XEHPSDV_GRAPHICS_STEP(i915, STEP_A1, STEP_B0)) { - wa_masked_dis(wal, MLTICTXCTL, TDONRENDER); - wa_write_or(wal, L3SQCREG1_CCS0, FLUSHALLNONCOH); - } - /* Wa_16011155590:xehpsdv */ if (IS_XEHPSDV_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE, @@ -1386,19 +1379,12 @@ xehpsdv_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) GAMTLBVEBOX0_CLKGATE_DIS); } - /* Wa_14012362059:xehpsdv */ - wa_write_or(wal, GEN12_MERT_MOD_CTRL, FORCE_MISS_FTLB); - /* Wa_16012725990:xehpsdv */ if (IS_XEHPSDV_GRAPHICS_STEP(i915, STEP_A1, STEP_FOREVER)) wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE, VFUNIT_CLKGATE_DIS); /* Wa_14011060649:xehpsdv */ wa_14011060649(gt, wal); - - /* Wa_14014368820:xehpsdv */ - wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | - GLOBAL_INVALIDATION_MODE); } static void @@ -1440,10 +1426,6 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) } if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0)) { - /* Wa_14010680813:dg2_g10 */ - wa_write_or(wal, GEN12_GAMSTLB_CTRL, CONTROL_BLOCK_CLKGATE_DIS | - EGRESS_BLOCK_CLKGATE_DIS | TAG_BLOCK_CLKGATE_DIS); - /* Wa_14010948348:dg2_g10 */ wa_write_or(wal, UNSLCGCTL9430, MSQDUNIT_CLKGATE_DIS); @@ -1490,16 +1472,6 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) wa_write_or(wal, SSMCGCTL9530, RTFUNIT_CLKGATE_DIS); } - if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0) || - IS_DG2_GRAPHICS_STEP(gt->i915, G11, STEP_A0, STEP_B0)) { - /* Wa_14012362059:dg2 */ - wa_write_or(wal, GEN12_MERT_MOD_CTRL, FORCE_MISS_FTLB); - } - - /* Wa_1509235366:dg2 */ - wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | - GLOBAL_INVALIDATION_MODE); - /* Wa_14014830051:dg2 */ wa_write_clr(wal, SARB_CHICKEN1, COMP_CKN_IN); @@ -1508,14 +1480,7 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) * recommended tuning settings documented in the bspec's * performance guide section. */ - wa_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS); wa_write_or(wal, GEN12_SQCM, EN_32B_ACCESS); - - /* Wa_18018781329:dg2 */ - wa_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB); - wa_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB); - wa_write_or(wal, VDBX_MOD_CTRL, FORCE_MISS_FTLB); - wa_write_or(wal, VEBX_MOD_CTRL, FORCE_MISS_FTLB); } static void @@ -1943,6 +1908,11 @@ static void dg2_whitelist_build(struct intel_engine_cs *engine) RING_FORCE_TO_NONPRIV_RANGE_4); break; + case COMPUTE_CLASS: + /* Wa_16011157294:dg2_g10 */ + if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0)) + whitelist_reg(w, GEN9_CTX_PREEMPT_REG); + break; default: break; } @@ -2049,6 +2019,23 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) if (IS_DG2(i915)) { /* Wa_14015227452:dg2 */ wa_masked_en(wal, GEN9_ROW_CHICKEN4, XEHP_DIS_BBL_SYSPIPE); + + /* Wa_1509235366:dg2 */ + wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | + GLOBAL_INVALIDATION_MODE); + + /* + * The following are not actually "workarounds" but rather + * recommended tuning settings documented in the bspec's + * performance guide section. + */ + wa_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS); + + /* Wa_18018781329:dg2 */ + wa_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB); + wa_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB); + wa_write_or(wal, VDBX_MOD_CTRL, FORCE_MISS_FTLB); + wa_write_or(wal, VEBX_MOD_CTRL, FORCE_MISS_FTLB); } if (IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) { @@ -2149,6 +2136,24 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) wa_write_or(wal, RT_CTRL, DIS_NULL_QUERY); + /* Wa_22012532006:dg2 */ + if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_C0) || + IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0)) + wa_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7, + DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA); + + if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0)) { + /* Wa_14010680813:dg2_g10 */ + wa_write_or(wal, GEN12_GAMSTLB_CTRL, CONTROL_BLOCK_CLKGATE_DIS | + EGRESS_BLOCK_CLKGATE_DIS | TAG_BLOCK_CLKGATE_DIS); + } + + if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0) || + IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0)) { + /* Wa_14012362059:dg2 */ + wa_write_or(wal, GEN12_MERT_MOD_CTRL, FORCE_MISS_FTLB); + } + if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) || IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) { /* @@ -2568,6 +2573,53 @@ xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) } } +/* + * The workarounds in this function apply to shared registers in + * the general render reset domain that aren't tied to a + * specific engine. Since all render+compute engines get reset + * together, and the contents of these registers are lost during + * the shared render domain reset, we'll define such workarounds + * here and then add them to just a single RCS or CCS engine's + * workaround list (whichever engine has the XXXX flag). + */ +static void +general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) +{ + struct drm_i915_private *i915 = engine->i915; + + if (IS_XEHPSDV(i915)) { + /* Wa_1409954639 */ + wa_masked_en(wal, + GEN8_ROW_CHICKEN, + SYSTOLIC_DOP_CLOCK_GATING_DIS); + + /* Wa_1607196519 */ + wa_masked_en(wal, + GEN9_ROW_CHICKEN4, + GEN12_DISABLE_GRF_CLEAR); + + /* Wa_14010670810:xehpsdv */ + wa_write_or(wal, XEHP_L3NODEARBCFG, XEHP_LNESPARE); + + /* Wa_14010449647:xehpsdv */ + wa_masked_en(wal, GEN7_HALF_SLICE_CHICKEN1, + GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE); + + /* Wa_18011725039:xehpsdv */ + if (IS_XEHPSDV_GRAPHICS_STEP(i915, STEP_A1, STEP_B0)) { + wa_masked_dis(wal, MLTICTXCTL, TDONRENDER); + wa_write_or(wal, L3SQCREG1_CCS0, FLUSHALLNONCOH); + } + + /* Wa_14012362059:xehpsdv */ + wa_write_or(wal, GEN12_MERT_MOD_CTRL, FORCE_MISS_FTLB); + + /* Wa_14014368820:xehpsdv */ + wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | + GLOBAL_INVALIDATION_MODE); + } +} + static void engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal) { @@ -2576,6 +2628,14 @@ engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal engine_fake_wa_init(engine, wal); + /* + * These are common workarounds that just need to applied + * to a single RCS/CCS engine's workaround list since + * they're reset as part of the general render domain reset. + */ + if (engine->class == RENDER_CLASS) + general_render_compute_wa_init(engine, wal); + if (engine->class == RENDER_CLASS) rcs_engine_wa_init(engine, wal); else diff --git a/drivers/gpu/drm/i915/gt/shmem_utils.c b/drivers/gpu/drm/i915/gt/shmem_utils.c index 0683b27a3890..402f085f3a02 100644 --- a/drivers/gpu/drm/i915/gt/shmem_utils.c +++ b/drivers/gpu/drm/i915/gt/shmem_utils.c @@ -3,6 +3,7 @@ * Copyright © 2020 Intel Corporation */ +#include <linux/iosys-map.h> #include <linux/mm.h> #include <linux/pagemap.h> #include <linux/shmem_fs.h> @@ -123,6 +124,37 @@ static int __shmem_rw(struct file *file, loff_t off, return 0; } +int shmem_read_to_iosys_map(struct file *file, loff_t off, + struct iosys_map *map, size_t map_off, size_t len) +{ + unsigned long pfn; + + for (pfn = off >> PAGE_SHIFT; len; pfn++) { + unsigned int this = + min_t(size_t, PAGE_SIZE - offset_in_page(off), len); + struct page *page; + void *vaddr; + + page = shmem_read_mapping_page_gfp(file->f_mapping, pfn, + GFP_KERNEL); + if (IS_ERR(page)) + return PTR_ERR(page); + + vaddr = kmap(page); + iosys_map_memcpy_to(map, map_off, vaddr + offset_in_page(off), + this); + mark_page_accessed(page); + kunmap(page); + put_page(page); + + len -= this; + map_off += this; + off = 0; + } + + return 0; +} + int shmem_read(struct file *file, loff_t off, void *dst, size_t len) { return __shmem_rw(file, off, dst, len, false); diff --git a/drivers/gpu/drm/i915/gt/shmem_utils.h b/drivers/gpu/drm/i915/gt/shmem_utils.h index c1669170c351..b2b04d88c6e5 100644 --- a/drivers/gpu/drm/i915/gt/shmem_utils.h +++ b/drivers/gpu/drm/i915/gt/shmem_utils.h @@ -8,6 +8,7 @@ #include <linux/types.h> +struct iosys_map; struct drm_i915_gem_object; struct file; @@ -17,6 +18,8 @@ struct file *shmem_create_from_object(struct drm_i915_gem_object *obj); void *shmem_pin_map(struct file *file); void shmem_unpin_map(struct file *file, void *ptr); +int shmem_read_to_iosys_map(struct file *file, loff_t off, + struct iosys_map *map, size_t map_off, size_t len); int shmem_read(struct file *file, loff_t off, void *dst, size_t len); int shmem_write(struct file *file, loff_t off, void *src, size_t len); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 9d779de16613..bf7079480d47 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -6,8 +6,9 @@ #ifndef _INTEL_GUC_H_ #define _INTEL_GUC_H_ -#include <linux/xarray.h> #include <linux/delay.h> +#include <linux/iosys-map.h> +#include <linux/xarray.h> #include "intel_uncore.h" #include "intel_guc_fw.h" @@ -146,8 +147,8 @@ struct intel_guc { /** @ads_vma: object allocated to hold the GuC ADS */ struct i915_vma *ads_vma; - /** @ads_blob: contents of the GuC ADS */ - struct __guc_ads_blob *ads_blob; + /** @ads_map: contents of the GuC ADS */ + struct iosys_map ads_map; /** @ads_regset_size: size of the save/restore regsets in the ADS */ u32 ads_regset_size; /** diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c index 7e41175618f5..92cb88248391 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c @@ -57,9 +57,22 @@ struct __guc_ads_blob { struct guc_gt_system_info system_info; struct guc_engine_usage engine_usage; /* From here on, location is dynamic! Refer to above diagram. */ - struct guc_mmio_reg regset[0]; + struct guc_mmio_reg regset[]; } __packed; +#define ads_blob_read(guc_, field_) \ + iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) + +#define ads_blob_write(guc_, field_, val_) \ + iosys_map_wr_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, \ + field_, val_) + +#define info_map_write(map_, field_, val_) \ + iosys_map_wr_field(map_, 0, struct guc_gt_system_info, field_, val_) + +#define info_map_read(map_, field_) \ + iosys_map_rd_field(map_, 0, struct guc_gt_system_info, field_) + static u32 guc_ads_regset_size(struct intel_guc *guc) { GEM_BUG_ON(!guc->ads_regset_size); @@ -123,33 +136,37 @@ static u32 guc_ads_blob_size(struct intel_guc *guc) guc_ads_private_data_size(guc); } -static void guc_policies_init(struct intel_guc *guc, struct guc_policies *policies) +static void guc_policies_init(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); struct drm_i915_private *i915 = gt->i915; + u32 global_flags = 0; - policies->dpc_promote_time = GLOBAL_POLICY_DEFAULT_DPC_PROMOTE_TIME_US; - policies->max_num_work_items = GLOBAL_POLICY_MAX_NUM_WI; + ads_blob_write(guc, policies.dpc_promote_time, + GLOBAL_POLICY_DEFAULT_DPC_PROMOTE_TIME_US); + ads_blob_write(guc, policies.max_num_work_items, + GLOBAL_POLICY_MAX_NUM_WI); - policies->global_flags = 0; if (i915->params.reset < 2) - policies->global_flags |= GLOBAL_POLICY_DISABLE_ENGINE_RESET; + global_flags |= GLOBAL_POLICY_DISABLE_ENGINE_RESET; - policies->is_valid = 1; + ads_blob_write(guc, policies.global_flags, global_flags); + ads_blob_write(guc, policies.is_valid, 1); } void intel_guc_ads_print_policy_info(struct intel_guc *guc, struct drm_printer *dp) { - struct __guc_ads_blob *blob = guc->ads_blob; - - if (unlikely(!blob)) + if (unlikely(iosys_map_is_null(&guc->ads_map))) return; drm_printf(dp, "Global scheduling policies:\n"); - drm_printf(dp, " DPC promote time = %u\n", blob->policies.dpc_promote_time); - drm_printf(dp, " Max num work items = %u\n", blob->policies.max_num_work_items); - drm_printf(dp, " Flags = %u\n", blob->policies.global_flags); + drm_printf(dp, " DPC promote time = %u\n", + ads_blob_read(guc, policies.dpc_promote_time)); + drm_printf(dp, " Max num work items = %u\n", + ads_blob_read(guc, policies.max_num_work_items)); + drm_printf(dp, " Flags = %u\n", + ads_blob_read(guc, policies.global_flags)); } static int guc_action_policies_update(struct intel_guc *guc, u32 policy_offset) @@ -164,29 +181,30 @@ static int guc_action_policies_update(struct intel_guc *guc, u32 policy_offset) int intel_guc_global_policies_update(struct intel_guc *guc) { - struct __guc_ads_blob *blob = guc->ads_blob; struct intel_gt *gt = guc_to_gt(guc); + u32 scheduler_policies; intel_wakeref_t wakeref; int ret; - if (!blob) + if (iosys_map_is_null(&guc->ads_map)) return -EOPNOTSUPP; - GEM_BUG_ON(!blob->ads.scheduler_policies); + scheduler_policies = ads_blob_read(guc, ads.scheduler_policies); + GEM_BUG_ON(!scheduler_policies); - guc_policies_init(guc, &blob->policies); + guc_policies_init(guc); if (!intel_guc_is_ready(guc)) return 0; with_intel_runtime_pm(>->i915->runtime_pm, wakeref) - ret = guc_action_policies_update(guc, blob->ads.scheduler_policies); + ret = guc_action_policies_update(guc, scheduler_policies); return ret; } static void guc_mapping_table_init(struct intel_gt *gt, - struct guc_gt_system_info *system_info) + struct iosys_map *info_map) { unsigned int i, j; struct intel_engine_cs *engine; @@ -195,14 +213,14 @@ static void guc_mapping_table_init(struct intel_gt *gt, /* Table must be set to invalid values for entries not used */ for (i = 0; i < GUC_MAX_ENGINE_CLASSES; ++i) for (j = 0; j < GUC_MAX_INSTANCES_PER_CLASS; ++j) - system_info->mapping_table[i][j] = - GUC_MAX_INSTANCES_PER_CLASS; + info_map_write(info_map, mapping_table[i][j], + GUC_MAX_INSTANCES_PER_CLASS); for_each_engine(engine, gt, id) { u8 guc_class = engine_class_to_guc_class(engine->class); - system_info->mapping_table[guc_class][ilog2(engine->logical_mask)] = - engine->instance; + info_map_write(info_map, mapping_table[guc_class][ilog2(engine->logical_mask)], + engine->instance); } } @@ -317,6 +335,10 @@ static int guc_mmio_regset_init(struct temp_regset *regset, ret |= GUC_MMIO_REG_ADD(regset, RING_HWS_PGA(base), false); ret |= GUC_MMIO_REG_ADD(regset, RING_IMR(base), false); + if (engine->class == RENDER_CLASS && + CCS_MASK(engine->gt)) + ret |= GUC_MMIO_REG_ADD(regset, GEN12_RCU_MODE, true); + for (i = 0, wa = wal->list; i < wal->count; i++, wa++) ret |= GUC_MMIO_REG_ADD(regset, wa->reg, wa->masked_reg); @@ -365,64 +387,69 @@ fail_regset_init: return ret; } -static void guc_mmio_reg_state_init(struct intel_guc *guc, - struct __guc_ads_blob *blob) +static void guc_mmio_reg_state_init(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); struct intel_engine_cs *engine; - struct guc_mmio_reg *ads_registers; enum intel_engine_id id; u32 addr_ggtt, offset; offset = guc_ads_regset_offset(guc); addr_ggtt = intel_guc_ggtt_offset(guc, guc->ads_vma) + offset; - ads_registers = (struct guc_mmio_reg *)(((u8 *)blob) + offset); - memcpy(ads_registers, guc->ads_regset, guc->ads_regset_size); + iosys_map_memcpy_to(&guc->ads_map, offset, guc->ads_regset, + guc->ads_regset_size); for_each_engine(engine, gt, id) { u32 count = guc->ads_regset_count[id]; - struct guc_mmio_reg_set *ads_reg_set; u8 guc_class; /* Class index is checked in class converter */ GEM_BUG_ON(engine->instance >= GUC_MAX_INSTANCES_PER_CLASS); guc_class = engine_class_to_guc_class(engine->class); - ads_reg_set = &blob->ads.reg_state_list[guc_class][engine->instance]; if (!count) { - ads_reg_set->address = 0; - ads_reg_set->count = 0; + ads_blob_write(guc, + ads.reg_state_list[guc_class][engine->instance].address, + 0); + ads_blob_write(guc, + ads.reg_state_list[guc_class][engine->instance].count, + 0); continue; } - ads_reg_set->address = addr_ggtt; - ads_reg_set->count = count; + ads_blob_write(guc, + ads.reg_state_list[guc_class][engine->instance].address, + addr_ggtt); + ads_blob_write(guc, + ads.reg_state_list[guc_class][engine->instance].count, + count); addr_ggtt += count * sizeof(struct guc_mmio_reg); } } static void fill_engine_enable_masks(struct intel_gt *gt, - struct guc_gt_system_info *info) + struct iosys_map *info_map) { - info->engine_enabled_masks[GUC_RENDER_CLASS] = 1; - info->engine_enabled_masks[GUC_BLITTER_CLASS] = 1; - info->engine_enabled_masks[GUC_VIDEO_CLASS] = VDBOX_MASK(gt); - info->engine_enabled_masks[GUC_VIDEOENHANCE_CLASS] = VEBOX_MASK(gt); + info_map_write(info_map, engine_enabled_masks[GUC_RENDER_CLASS], 1); + info_map_write(info_map, engine_enabled_masks[GUC_COMPUTE_CLASS], CCS_MASK(gt)); + info_map_write(info_map, engine_enabled_masks[GUC_BLITTER_CLASS], 1); + info_map_write(info_map, engine_enabled_masks[GUC_VIDEO_CLASS], VDBOX_MASK(gt)); + info_map_write(info_map, engine_enabled_masks[GUC_VIDEOENHANCE_CLASS], VEBOX_MASK(gt)); } #define LR_HW_CONTEXT_SIZE (80 * sizeof(u32)) #define LRC_SKIP_SIZE (LRC_PPHWSP_SZ * PAGE_SIZE + LR_HW_CONTEXT_SIZE) -static int guc_prep_golden_context(struct intel_guc *guc, - struct __guc_ads_blob *blob) +static int guc_prep_golden_context(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); u32 addr_ggtt, offset; u32 total_size = 0, alloc_size, real_size; u8 engine_class, guc_class; - struct guc_gt_system_info *info, local_info; + struct guc_gt_system_info local_info; + struct iosys_map info_map; /* * Reserve the memory for the golden contexts and point GuC at it but @@ -436,14 +463,15 @@ static int guc_prep_golden_context(struct intel_guc *guc, * GuC will also validate that the LRC base + size fall within the * allowed GGTT range. */ - if (blob) { + if (!iosys_map_is_null(&guc->ads_map)) { offset = guc_ads_golden_ctxt_offset(guc); addr_ggtt = intel_guc_ggtt_offset(guc, guc->ads_vma) + offset; - info = &blob->system_info; + info_map = IOSYS_MAP_INIT_OFFSET(&guc->ads_map, + offsetof(struct __guc_ads_blob, system_info)); } else { memset(&local_info, 0, sizeof(local_info)); - info = &local_info; - fill_engine_enable_masks(gt, info); + iosys_map_set_vaddr(&info_map, &local_info); + fill_engine_enable_masks(gt, &info_map); } for (engine_class = 0; engine_class <= MAX_ENGINE_CLASS; ++engine_class) { @@ -452,14 +480,14 @@ static int guc_prep_golden_context(struct intel_guc *guc, guc_class = engine_class_to_guc_class(engine_class); - if (!info->engine_enabled_masks[guc_class]) + if (!info_map_read(&info_map, engine_enabled_masks[guc_class])) continue; real_size = intel_engine_context_size(gt, engine_class); alloc_size = PAGE_ALIGN(real_size); total_size += alloc_size; - if (!blob) + if (iosys_map_is_null(&guc->ads_map)) continue; /* @@ -473,15 +501,18 @@ static int guc_prep_golden_context(struct intel_guc *guc, * what comes before it in the context image (which is identical * on all engines). */ - blob->ads.eng_state_size[guc_class] = real_size - LRC_SKIP_SIZE; - blob->ads.golden_context_lrca[guc_class] = addr_ggtt; + ads_blob_write(guc, ads.eng_state_size[guc_class], + real_size - LRC_SKIP_SIZE); + ads_blob_write(guc, ads.golden_context_lrca[guc_class], + addr_ggtt); + addr_ggtt += alloc_size; } - if (!blob) - return total_size; + /* Make sure current size matches what we calculated previously */ + if (guc->ads_golden_ctxt_size) + GEM_BUG_ON(guc->ads_golden_ctxt_size != total_size); - GEM_BUG_ON(guc->ads_golden_ctxt_size != total_size); return total_size; } @@ -505,18 +536,16 @@ static struct intel_engine_cs *find_engine_state(struct intel_gt *gt, u8 engine_ static void guc_init_golden_context(struct intel_guc *guc) { - struct __guc_ads_blob *blob = guc->ads_blob; struct intel_engine_cs *engine; struct intel_gt *gt = guc_to_gt(guc); - u32 addr_ggtt, offset; - u32 total_size = 0, alloc_size, real_size; + unsigned long offset; + u32 addr_ggtt, total_size = 0, alloc_size, real_size; u8 engine_class, guc_class; - u8 *ptr; if (!intel_uc_uses_guc_submission(>->uc)) return; - GEM_BUG_ON(!blob); + GEM_BUG_ON(iosys_map_is_null(&guc->ads_map)); /* * Go back and fill in the golden context data now that it is @@ -524,15 +553,13 @@ static void guc_init_golden_context(struct intel_guc *guc) */ offset = guc_ads_golden_ctxt_offset(guc); addr_ggtt = intel_guc_ggtt_offset(guc, guc->ads_vma) + offset; - ptr = ((u8 *)blob) + offset; for (engine_class = 0; engine_class <= MAX_ENGINE_CLASS; ++engine_class) { if (engine_class == OTHER_CLASS) continue; guc_class = engine_class_to_guc_class(engine_class); - - if (!blob->system_info.engine_enabled_masks[guc_class]) + if (!ads_blob_read(guc, system_info.engine_enabled_masks[guc_class])) continue; real_size = intel_engine_context_size(gt, engine_class); @@ -543,24 +570,26 @@ static void guc_init_golden_context(struct intel_guc *guc) if (!engine) { drm_err(>->i915->drm, "No engine state recorded for class %d!\n", engine_class); - blob->ads.eng_state_size[guc_class] = 0; - blob->ads.golden_context_lrca[guc_class] = 0; + ads_blob_write(guc, ads.eng_state_size[guc_class], 0); + ads_blob_write(guc, ads.golden_context_lrca[guc_class], 0); continue; } - GEM_BUG_ON(blob->ads.eng_state_size[guc_class] != + GEM_BUG_ON(ads_blob_read(guc, ads.eng_state_size[guc_class]) != real_size - LRC_SKIP_SIZE); - GEM_BUG_ON(blob->ads.golden_context_lrca[guc_class] != addr_ggtt); + GEM_BUG_ON(ads_blob_read(guc, ads.golden_context_lrca[guc_class]) != addr_ggtt); + addr_ggtt += alloc_size; - shmem_read(engine->default_state, 0, ptr, real_size); - ptr += alloc_size; + shmem_read_to_iosys_map(engine->default_state, 0, &guc->ads_map, + offset, real_size); + offset += alloc_size; } GEM_BUG_ON(guc->ads_golden_ctxt_size != total_size); } -static void guc_capture_list_init(struct intel_guc *guc, struct __guc_ads_blob *blob) +static void guc_capture_list_init(struct intel_guc *guc) { int i, j; u32 addr_ggtt, offset; @@ -572,11 +601,11 @@ static void guc_capture_list_init(struct intel_guc *guc, struct __guc_ads_blob * for (i = 0; i < GUC_CAPTURE_LIST_INDEX_MAX; i++) { for (j = 0; j < GUC_MAX_ENGINE_CLASSES; j++) { - blob->ads.capture_instance[i][j] = addr_ggtt; - blob->ads.capture_class[i][j] = addr_ggtt; + ads_blob_write(guc, ads.capture_instance[i][j], addr_ggtt); + ads_blob_write(guc, ads.capture_class[i][j], addr_ggtt); } - blob->ads.capture_global[i] = addr_ggtt; + ads_blob_write(guc, ads.capture_global[i], addr_ggtt); } } @@ -584,47 +613,52 @@ static void __guc_ads_init(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); struct drm_i915_private *i915 = gt->i915; - struct __guc_ads_blob *blob = guc->ads_blob; + struct iosys_map info_map = IOSYS_MAP_INIT_OFFSET(&guc->ads_map, + offsetof(struct __guc_ads_blob, system_info)); u32 base; /* GuC scheduling policies */ - guc_policies_init(guc, &blob->policies); + guc_policies_init(guc); /* System info */ - fill_engine_enable_masks(gt, &blob->system_info); + fill_engine_enable_masks(gt, &info_map); - blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED] = - hweight8(gt->info.sseu.slice_mask); - blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_VDBOX_SFC_SUPPORT_MASK] = - gt->info.vdbox_sfc_access; + ads_blob_write(guc, system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED], + hweight8(gt->info.sseu.slice_mask)); + ads_blob_write(guc, system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_VDBOX_SFC_SUPPORT_MASK], + gt->info.vdbox_sfc_access); if (GRAPHICS_VER(i915) >= 12 && !IS_DGFX(i915)) { u32 distdbreg = intel_uncore_read(gt->uncore, GEN12_DIST_DBS_POPULATED); - blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_DOORBELL_COUNT_PER_SQIDI] = - ((distdbreg >> GEN12_DOORBELLS_PER_SQIDI_SHIFT) & - GEN12_DOORBELLS_PER_SQIDI) + 1; + ads_blob_write(guc, + system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_DOORBELL_COUNT_PER_SQIDI], + ((distdbreg >> GEN12_DOORBELLS_PER_SQIDI_SHIFT) + & GEN12_DOORBELLS_PER_SQIDI) + 1); } /* Golden contexts for re-initialising after a watchdog reset */ - guc_prep_golden_context(guc, blob); + guc_prep_golden_context(guc); - guc_mapping_table_init(guc_to_gt(guc), &blob->system_info); + guc_mapping_table_init(guc_to_gt(guc), &info_map); base = intel_guc_ggtt_offset(guc, guc->ads_vma); /* Capture list for hang debug */ - guc_capture_list_init(guc, blob); + guc_capture_list_init(guc); /* ADS */ - blob->ads.scheduler_policies = base + ptr_offset(blob, policies); - blob->ads.gt_system_info = base + ptr_offset(blob, system_info); + ads_blob_write(guc, ads.scheduler_policies, base + + offsetof(struct __guc_ads_blob, policies)); + ads_blob_write(guc, ads.gt_system_info, base + + offsetof(struct __guc_ads_blob, system_info)); /* MMIO save/restore list */ - guc_mmio_reg_state_init(guc, blob); + guc_mmio_reg_state_init(guc); /* Private Data */ - blob->ads.private_data = base + guc_ads_private_data_offset(guc); + ads_blob_write(guc, ads.private_data, base + + guc_ads_private_data_offset(guc)); i915_gem_object_flush_map(guc->ads_vma->obj); } @@ -638,6 +672,7 @@ static void __guc_ads_init(struct intel_guc *guc) */ int intel_guc_ads_create(struct intel_guc *guc) { + void *ads_blob; u32 size; int ret; @@ -653,7 +688,7 @@ int intel_guc_ads_create(struct intel_guc *guc) guc->ads_regset_size = ret; /* Likewise the golden contexts: */ - ret = guc_prep_golden_context(guc, NULL); + ret = guc_prep_golden_context(guc); if (ret < 0) return ret; guc->ads_golden_ctxt_size = ret; @@ -662,10 +697,15 @@ int intel_guc_ads_create(struct intel_guc *guc) size = guc_ads_blob_size(guc); ret = intel_guc_allocate_and_map_vma(guc, size, &guc->ads_vma, - (void **)&guc->ads_blob); + &ads_blob); if (ret) return ret; + if (i915_gem_object_is_lmem(guc->ads_vma->obj)) + iosys_map_set_vaddr_iomem(&guc->ads_map, (void __iomem *)ads_blob); + else + iosys_map_set_vaddr(&guc->ads_map, ads_blob); + __guc_ads_init(guc); return 0; @@ -686,7 +726,7 @@ void intel_guc_ads_init_late(struct intel_guc *guc) void intel_guc_ads_destroy(struct intel_guc *guc) { i915_vma_unpin_and_release(&guc->ads_vma, I915_VMA_RELEASE_MAP); - guc->ads_blob = NULL; + iosys_map_clear(&guc->ads_map); kfree(guc->ads_regset); } @@ -698,8 +738,8 @@ static void guc_ads_private_data_reset(struct intel_guc *guc) if (!size) return; - memset((void *)guc->ads_blob + guc_ads_private_data_offset(guc), 0, - size); + iosys_map_memset(&guc->ads_map, guc_ads_private_data_offset(guc), + 0, size); } /** @@ -722,18 +762,16 @@ void intel_guc_ads_reset(struct intel_guc *guc) u32 intel_guc_engine_usage_offset(struct intel_guc *guc) { - struct __guc_ads_blob *blob = guc->ads_blob; - u32 base = intel_guc_ggtt_offset(guc, guc->ads_vma); - u32 offset = base + ptr_offset(blob, engine_usage); - - return offset; + return intel_guc_ggtt_offset(guc, guc->ads_vma) + + offsetof(struct __guc_ads_blob, engine_usage); } -struct guc_engine_usage_record *intel_guc_engine_usage(struct intel_engine_cs *engine) +struct iosys_map intel_guc_engine_usage_record_map(struct intel_engine_cs *engine) { struct intel_guc *guc = &engine->gt->uc.guc; - struct __guc_ads_blob *blob = guc->ads_blob; u8 guc_class = engine_class_to_guc_class(engine->class); + size_t offset = offsetof(struct __guc_ads_blob, + engine_usage.engines[guc_class][ilog2(engine->logical_mask)]); - return &blob->engine_usage.engines[guc_class][ilog2(engine->logical_mask)]; + return IOSYS_MAP_INIT_OFFSET(&guc->ads_map, offset); } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h index e74c110facff..1c64f4d6ea21 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h @@ -7,6 +7,7 @@ #define _INTEL_GUC_ADS_H_ #include <linux/types.h> +#include <linux/iosys-map.h> struct intel_guc; struct drm_printer; @@ -18,7 +19,7 @@ void intel_guc_ads_init_late(struct intel_guc *guc); void intel_guc_ads_reset(struct intel_guc *guc); void intel_guc_ads_print_policy_info(struct intel_guc *guc, struct drm_printer *p); -struct guc_engine_usage_record *intel_guc_engine_usage(struct intel_engine_cs *engine); +struct iosys_map intel_guc_engine_usage_record_map(struct intel_engine_cs *engine); u32 intel_guc_engine_usage_offset(struct intel_guc *guc); #endif diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h index 6a4612a852e2..4b300b6cc0f9 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h @@ -46,8 +46,8 @@ #define GUC_VIDEO_CLASS 1 #define GUC_VIDEOENHANCE_CLASS 2 #define GUC_BLITTER_CLASS 3 -#define GUC_RESERVED_CLASS 4 -#define GUC_LAST_ENGINE_CLASS GUC_RESERVED_CLASS +#define GUC_COMPUTE_CLASS 4 +#define GUC_LAST_ENGINE_CLASS GUC_COMPUTE_CLASS #define GUC_MAX_ENGINE_CLASSES 16 #define GUC_MAX_INSTANCES_PER_CLASS 32 @@ -156,23 +156,37 @@ FIELD_PREP(HOST2GUC_PC_SLPC_REQUEST_MSG_1_EVENT_ID, id) | \ FIELD_PREP(HOST2GUC_PC_SLPC_REQUEST_MSG_1_EVENT_ARGC, c) \ ) +/* the GuC arrays don't include OTHER_CLASS */ +static u8 engine_class_guc_class_map[] = { + [RENDER_CLASS] = GUC_RENDER_CLASS, + [COPY_ENGINE_CLASS] = GUC_BLITTER_CLASS, + [VIDEO_DECODE_CLASS] = GUC_VIDEO_CLASS, + [VIDEO_ENHANCEMENT_CLASS] = GUC_VIDEOENHANCE_CLASS, + [COMPUTE_CLASS] = GUC_COMPUTE_CLASS, +}; + +static u8 guc_class_engine_class_map[] = { + [GUC_RENDER_CLASS] = RENDER_CLASS, + [GUC_BLITTER_CLASS] = COPY_ENGINE_CLASS, + [GUC_VIDEO_CLASS] = VIDEO_DECODE_CLASS, + [GUC_VIDEOENHANCE_CLASS] = VIDEO_ENHANCEMENT_CLASS, + [GUC_COMPUTE_CLASS] = COMPUTE_CLASS, +}; + static inline u8 engine_class_to_guc_class(u8 class) { - BUILD_BUG_ON(GUC_RENDER_CLASS != RENDER_CLASS); - BUILD_BUG_ON(GUC_BLITTER_CLASS != COPY_ENGINE_CLASS); - BUILD_BUG_ON(GUC_VIDEO_CLASS != VIDEO_DECODE_CLASS); - BUILD_BUG_ON(GUC_VIDEOENHANCE_CLASS != VIDEO_ENHANCEMENT_CLASS); + BUILD_BUG_ON(ARRAY_SIZE(engine_class_guc_class_map) != MAX_ENGINE_CLASS + 1); GEM_BUG_ON(class > MAX_ENGINE_CLASS || class == OTHER_CLASS); - return class; + return engine_class_guc_class_map[class]; } static inline u8 guc_class_to_engine_class(u8 guc_class) { + BUILD_BUG_ON(ARRAY_SIZE(guc_class_engine_class_map) != GUC_LAST_ENGINE_CLASS + 1); GEM_BUG_ON(guc_class > GUC_LAST_ENGINE_CLASS); - GEM_BUG_ON(guc_class == GUC_RESERVED_CLASS); - return guc_class; + return guc_class_engine_class_map[guc_class]; } /* Work item for submitting workloads into work queue of GuC. */ diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c index 766744602d75..9f032c65a488 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -12,6 +12,7 @@ #include "intel_mchbar_regs.h" #include "gt/intel_gt.h" #include "gt/intel_gt_regs.h" +#include "gt/intel_rps.h" static inline struct intel_guc *slpc_to_guc(struct intel_guc_slpc *slpc) { @@ -116,7 +117,7 @@ static int guc_action_slpc_unset_param(struct intel_guc *guc, u8 id) { u32 request[] = { GUC_ACTION_HOST2GUC_PC_SLPC_REQUEST, - SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 2), + SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 1), id, }; @@ -580,10 +581,10 @@ static int slpc_use_fused_rp0(struct intel_guc_slpc *slpc) static void slpc_get_rp_values(struct intel_guc_slpc *slpc) { + struct intel_rps *rps = &slpc_to_gt(slpc)->rps; u32 rp_state_cap; - rp_state_cap = intel_uncore_read(slpc_to_gt(slpc)->uncore, - GEN6_RP_STATE_CAP); + rp_state_cap = intel_rps_read_state_cap(rps); slpc->rp0_freq = REG_FIELD_GET(RP0_CAP_MASK, rp_state_cap) * GT_FREQUENCY_MULTIPLIER; diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index b3a429a92c0d..1ce7e04aa837 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -174,11 +174,8 @@ static inline void init_sched_state(struct intel_context *ce) __maybe_unused static bool sched_state_is_init(struct intel_context *ce) { - /* - * XXX: Kernel contexts can have SCHED_STATE_NO_LOCK_REGISTERED after - * suspend. - */ - return !(ce->guc_state.sched_state &= + /* Kernel contexts can have SCHED_STATE_REGISTERED after suspend. */ + return !(ce->guc_state.sched_state & ~(SCHED_STATE_BLOCKED_MASK | SCHED_STATE_REGISTERED)); } @@ -1139,6 +1136,9 @@ __extend_last_switch(struct intel_guc *guc, u64 *prev_start, u32 new_start) *prev_start = ((u64)gt_stamp_hi << 32) | new_start; } +#define record_read(map_, field_) \ + iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) + /* * GuC updates shared memory and KMD reads it. Since this is not synchronized, * we run into a race where the value read is inconsistent. Sometimes the @@ -1153,17 +1153,17 @@ __extend_last_switch(struct intel_guc *guc, u64 *prev_start, u32 new_start) static void __get_engine_usage_record(struct intel_engine_cs *engine, u32 *last_in, u32 *id, u32 *total) { - struct guc_engine_usage_record *rec = intel_guc_engine_usage(engine); + struct iosys_map rec_map = intel_guc_engine_usage_record_map(engine); int i = 0; do { - *last_in = READ_ONCE(rec->last_switch_in_stamp); - *id = READ_ONCE(rec->current_context_index); - *total = READ_ONCE(rec->total_runtime); + *last_in = record_read(&rec_map, last_switch_in_stamp); + *id = record_read(&rec_map, current_context_index); + *total = record_read(&rec_map, total_runtime); - if (READ_ONCE(rec->last_switch_in_stamp) == *last_in && - READ_ONCE(rec->current_context_index) == *id && - READ_ONCE(rec->total_runtime) == *total) + if (record_read(&rec_map, last_switch_in_stamp) == *last_in && + record_read(&rec_map, current_context_index) == *id && + record_read(&rec_map, total_runtime) == *total) break; } while (++i < 6); } @@ -1818,24 +1818,11 @@ int intel_guc_submission_init(struct intel_guc *guc) */ GEM_BUG_ON(!guc->lrc_desc_pool); - xa_init_flags(&guc->context_lookup, XA_FLAGS_LOCK_IRQ); - - spin_lock_init(&guc->submission_state.lock); - INIT_LIST_HEAD(&guc->submission_state.guc_id_list); - ida_init(&guc->submission_state.guc_ids); - INIT_LIST_HEAD(&guc->submission_state.destroyed_contexts); - INIT_WORK(&guc->submission_state.destroyed_worker, - destroyed_worker_func); - INIT_WORK(&guc->submission_state.reset_fail_worker, - reset_fail_worker_func); - guc->submission_state.guc_ids_bitmap = bitmap_zalloc(NUMBER_MULTI_LRC_GUC_ID(guc), GFP_KERNEL); if (!guc->submission_state.guc_ids_bitmap) return -ENOMEM; - spin_lock_init(&guc->timestamp.lock); - INIT_DELAYED_WORK(&guc->timestamp.work, guc_timestamp_ping); guc->timestamp.ping_delay = (POLL_TIME_CLKS / gt->clock_frequency + 1) * HZ; guc->timestamp.shift = gpm_timestamp_shift(gt); @@ -3608,6 +3595,9 @@ static int guc_resume(struct intel_engine_cs *engine) setup_hwsp(engine); start_engine(engine); + if (engine->class == RENDER_CLASS) + xehp_enable_ccs_engines(engine); + return 0; } @@ -3789,7 +3779,7 @@ int intel_guc_submission_setup(struct intel_engine_cs *engine) guc_default_irqs(engine); guc_init_breadcrumbs(engine); - if (engine->class == RENDER_CLASS) + if (engine->flags & I915_ENGINE_HAS_RCS_REG_STATE) rcs_submission_override(engine); lrc_init_wa_ctx(engine); @@ -3831,6 +3821,20 @@ static bool __guc_submission_selected(struct intel_guc *guc) void intel_guc_submission_init_early(struct intel_guc *guc) { + xa_init_flags(&guc->context_lookup, XA_FLAGS_LOCK_IRQ); + + spin_lock_init(&guc->submission_state.lock); + INIT_LIST_HEAD(&guc->submission_state.guc_id_list); + ida_init(&guc->submission_state.guc_ids); + INIT_LIST_HEAD(&guc->submission_state.destroyed_contexts); + INIT_WORK(&guc->submission_state.destroyed_worker, + destroyed_worker_func); + INIT_WORK(&guc->submission_state.reset_fail_worker, + reset_fail_worker_func); + + spin_lock_init(&guc->timestamp.lock); + INIT_DELAYED_WORK(&guc->timestamp.work, guc_timestamp_ping); + guc->submission_state.num_guc_ids = GUC_MAX_LRC_DESCRIPTORS; guc->submission_supported = __guc_submission_supported(guc); guc->submission_selected = __guc_submission_selected(guc); @@ -4022,10 +4026,9 @@ static void guc_handle_context_reset(struct intel_guc *guc, capture_error_state(guc, ce); guc_context_replay(ce); } else { - drm_err(&guc_to_gt(guc)->i915->drm, - "Invalid GuC engine reset notificaion for 0x%04X on %s: banned = %d, blocked = %d", - ce->guc_id.id, ce->engine->name, intel_context_is_banned(ce), - context_blocked(ce)); + drm_info(&guc_to_gt(guc)->i915->drm, + "Ignoring context reset notification of banned context 0x%04X on %s", + ce->guc_id.id, ce->engine->name); } } diff --git a/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c index 1297ddbf7f88..812220a43df8 100644 --- a/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c +++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c @@ -154,6 +154,10 @@ static int intel_guc_multi_lrc_basic(void *arg) int ret; for (class = 0; class < MAX_ENGINE_CLASS + 1; ++class) { + /* We don't support breadcrumb handshake on these classes */ + if (class == COMPUTE_CLASS || class == RENDER_CLASS) + continue; + ret = __intel_guc_multi_lrc_basic(gt, class); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index e8d6c76e9234..057ec4490104 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -188,14 +188,29 @@ static ssize_t description_show(struct mdev_type *mtype, type->weight); } +static ssize_t name_show(struct mdev_type *mtype, + struct mdev_type_attribute *attr, char *buf) +{ + struct intel_vgpu_type *type; + struct intel_gvt *gvt = kdev_to_i915(mtype_get_parent_dev(mtype))->gvt; + + type = &gvt->types[mtype_get_type_group_id(mtype)]; + if (!type) + return 0; + + return sprintf(buf, "%s\n", type->name); +} + static MDEV_TYPE_ATTR_RO(available_instances); static MDEV_TYPE_ATTR_RO(device_api); static MDEV_TYPE_ATTR_RO(description); +static MDEV_TYPE_ATTR_RO(name); static struct attribute *gvt_type_attrs[] = { &mdev_type_attr_available_instances.attr, &mdev_type_attr_device_api.attr, &mdev_type_attr_description.attr, + &mdev_type_attr_name.attr, NULL, }; diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 3b8850bb3152..09de45d3e274 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -838,21 +838,6 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!i915->params.nuclear_pageflip && match_info->graphics.ver < 5) i915->drm.driver_features &= ~DRIVER_ATOMIC; - /* - * Check if we support fake LMEM -- for now we only unleash this for - * the live selftests(test-and-exit). - */ -#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) - if (IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM)) { - if (GRAPHICS_VER(i915) >= 9 && i915_selftest.live < 0 && - i915->params.fake_lmem_start) { - mkwrite_device_info(i915)->memory_regions = - REGION_SMEM | REGION_LMEM | REGION_STOLEN_SMEM; - GEM_BUG_ON(!HAS_LMEM(i915)); - } - } -#endif - ret = pci_enable_device(pdev); if (ret) goto out_fini; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d813240caca7..865f989f6841 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -910,7 +910,7 @@ static inline struct intel_gt *to_gt(struct drm_i915_private *i915) (GRAPHICS_VER(i915) >= (from) && GRAPHICS_VER(i915) <= (until)) #define MEDIA_VER(i915) (INTEL_INFO(i915)->media.ver) -#define MEDIA_VER_FULL(i915) IP_VER(INTEL_INFO(i915)->media.arch, \ +#define MEDIA_VER_FULL(i915) IP_VER(INTEL_INFO(i915)->media.ver, \ INTEL_INFO(i915)->media.rel) #define IS_MEDIA_VER(i915, from, until) \ (MEDIA_VER(i915) >= (from) && MEDIA_VER(i915) <= (until)) @@ -1110,11 +1110,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define IS_ICL_WITH_PORT_F(dev_priv) \ IS_SUBPLATFORM(dev_priv, INTEL_ICELAKE, INTEL_SUBPLATFORM_PORTF) -#define IS_TGL_U(dev_priv) \ - IS_SUBPLATFORM(dev_priv, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_ULT) - -#define IS_TGL_Y(dev_priv) \ - IS_SUBPLATFORM(dev_priv, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_ULX) +#define IS_TGL_UY(dev_priv) \ + IS_SUBPLATFORM(dev_priv, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_UY) #define IS_SKL_GRAPHICS_STEP(p, since, until) (IS_SKYLAKE(p) && IS_GRAPHICS_STEP(p, since, until)) @@ -1133,11 +1130,11 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, IS_DISPLAY_STEP(__i915, since, until)) #define IS_TGL_UY_GRAPHICS_STEP(__i915, since, until) \ - ((IS_TGL_U(__i915) || IS_TGL_Y(__i915)) && \ + (IS_TGL_UY(__i915) && \ IS_GRAPHICS_STEP(__i915, since, until)) #define IS_TGL_GRAPHICS_STEP(__i915, since, until) \ - (IS_TIGERLAKE(__i915) && !(IS_TGL_U(__i915) || IS_TGL_Y(__i915)) && \ + (IS_TIGERLAKE(__i915) && !IS_TGL_UY(__i915)) && \ IS_GRAPHICS_STEP(__i915, since, until)) #define IS_RKL_DISPLAY_STEP(p, since, until) \ @@ -1207,6 +1204,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, ENGINE_INSTANCES_MASK(gt, VCS0, I915_MAX_VCS) #define VEBOX_MASK(gt) \ ENGINE_INSTANCES_MASK(gt, VECS0, I915_MAX_VECS) +#define CCS_MASK(gt) \ + ENGINE_INSTANCES_MASK(gt, CCS0, I915_MAX_CCS) /* * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution @@ -1304,17 +1303,28 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, /* * Set this flag, when platform requires 64K GTT page sizes or larger for - * device local memory access. Also this flag implies that we require or - * at least support the compact PT layout for the ppGTT when using the 64K - * GTT pages. + * device local memory access. */ #define HAS_64K_PAGES(dev_priv) (INTEL_INFO(dev_priv)->has_64k_pages) +/* + * Set this flag when platform doesn't allow both 64k pages and 4k pages in + * the same PT. this flag means we need to support compact PT layout for the + * ppGTT when using the 64K GTT pages. + */ +#define NEEDS_COMPACT_PT(dev_priv) (INTEL_INFO(dev_priv)->needs_compact_pt) + #define HAS_IPC(dev_priv) (INTEL_INFO(dev_priv)->display.has_ipc) #define HAS_REGION(i915, i) (INTEL_INFO(i915)->memory_regions & (i)) #define HAS_LMEM(i915) HAS_REGION(i915, REGION_LMEM) +/* + * Platform has the dedicated compression control state for each lmem surfaces + * stored in lmem to support the 3D and media compression formats. + */ +#define HAS_FLAT_CCS(dev_priv) (INTEL_INFO(dev_priv)->has_flat_ccs) + #define HAS_GT_UC(dev_priv) (INTEL_INFO(dev_priv)->has_gt_uc) #define HAS_POOLED_EU(dev_priv) (INTEL_INFO(dev_priv)->has_pooled_eu) diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 1930487e5f09..5ad071e09301 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -197,11 +197,6 @@ i915_param_named(enable_gvt, bool, 0400, "Enable support for Intel GVT-g graphics virtualization host support(default:false)"); #endif -#if IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM) -i915_param_named_unsafe(fake_lmem_start, ulong, 0400, - "Fake LMEM start offset (default: 0)"); -#endif - #if CONFIG_DRM_I915_REQUEST_TIMEOUT i915_param_named_unsafe(request_timeout_ms, uint, 0600, "Default request/fence/batch buffer expiration timeout."); diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index c9d53ff910a0..c779a6f85c7e 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -72,7 +72,6 @@ struct drm_printer; param(int, fastboot, -1, 0600) \ param(int, enable_dpcd_backlight, -1, 0600) \ param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \ - param(unsigned long, fake_lmem_start, 0, IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM) ? 0400 : 0) \ param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, CONFIG_DRM_I915_REQUEST_TIMEOUT ? 0600 : 0) \ /* leave bools at the end to not create holes */ \ param(bool, enable_hangcheck, true, 0600) \ diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 8e321d300e0c..9e077929ed67 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -1005,6 +1005,7 @@ static const struct intel_device_info adl_p_info = { XE_HP_PAGE_SIZES, \ .dma_mask_size = 46, \ .has_64bit_reloc = 1, \ + .has_flat_ccs = 1, \ .has_global_mocs = 1, \ .has_gt_uc = 1, \ .has_llc = 1, \ @@ -1030,6 +1031,7 @@ static const struct intel_device_info xehpsdv_info = { PLATFORM(INTEL_XEHPSDV), .display = { }, .has_64k_pages = 1, + .needs_compact_pt = 1, .platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) | @@ -1048,6 +1050,7 @@ static const struct intel_device_info xehpsdv_info = { .has_4tile = 1, \ .has_64k_pages = 1, \ .has_guc_deprivilege = 1, \ + .needs_compact_pt = 1, \ .platform_engine_mask = \ BIT(RCS0) | BIT(BCS0) | \ BIT(VECS0) | BIT(VECS1) | \ diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 00fb40029f43..0a9c3fcc09b1 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -4374,6 +4374,10 @@ void i915_perf_init(struct drm_i915_private *i915) /* XXX const struct i915_perf_ops! */ + /* i915_perf is not enabled for DG2 yet */ + if (IS_DG2(i915)) + return; + perf->oa_formats = oa_formats; if (IS_HASWELL(i915)) { perf->ops.is_valid_b_counter_reg = gen7_is_valid_b_counter_addr; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a0dba005e997..51f46fe45c72 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -971,6 +971,10 @@ #define GEN11_VEBOX2_RING_BASE 0x1d8000 #define XEHP_VEBOX3_RING_BASE 0x1e8000 #define XEHP_VEBOX4_RING_BASE 0x1f8000 +#define GEN12_COMPUTE0_RING_BASE 0x1a000 +#define GEN12_COMPUTE1_RING_BASE 0x1c000 +#define GEN12_COMPUTE2_RING_BASE 0x1e000 +#define GEN12_COMPUTE3_RING_BASE 0x26000 #define BLT_RING_BASE 0x22000 @@ -8456,6 +8460,20 @@ enum skl_power_gate { #define SGGI_DIS REG_BIT(15) #define SGR_DIS REG_BIT(13) +#define XEHPSDV_FLAT_CCS_BASE_ADDR _MMIO(0x4910) +#define XEHPSDV_CCS_BASE_SHIFT 8 + +/* gamt regs */ +#define GEN8_L3_LRA_1_GPGPU _MMIO(0x4dd4) +#define GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW 0x67F1427F /* max/min for LRA1/2 */ +#define GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV 0x5FF101FF /* max/min for LRA1/2 */ +#define GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL 0x67F1427F /* " " */ +#define GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT 0x5FF101FF /* " " */ + +#define MMCD_MISC_CTRL _MMIO(0x4ddc) /* skl+ */ +#define MMCD_PCLA (1 << 31) +#define MMCD_HOTSPOT_EN (1 << 27) + #define _ICL_PHY_MISC_A 0x64C00 #define _ICL_PHY_MISC_B 0x64C04 #define _DG2_PHY_MISC_TC1 0x64C14 /* TC1="PHY E" but offset as if "PHY F" */ @@ -8819,12 +8837,6 @@ enum skl_power_gate { #define DSB_ENABLE (1 << 31) #define DSB_STATUS (1 << 0) -#define TGL_ROOT_DEVICE_ID 0x9A00 -#define TGL_ROOT_DEVICE_MASK 0xFF00 -#define TGL_ROOT_DEVICE_SKU_MASK 0xF -#define TGL_ROOT_DEVICE_SKU_ULX 0x2 -#define TGL_ROOT_DEVICE_SKU_ULT 0x4 - #define CLKREQ_POLICY _MMIO(0x101038) #define CLKREQ_POLICY_MEM_UP_OVRD REG_BIT(1) diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c index 76d5211c25eb..129f668f21ff 100644 --- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c +++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c @@ -19,6 +19,9 @@ struct i915_ttm_buddy_manager { struct drm_buddy mm; struct list_head reserved; struct mutex lock; + unsigned long visible_size; + unsigned long visible_avail; + unsigned long visible_reserved; u64 default_page_size; }; @@ -79,7 +82,7 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man, lpfn = pages; } - if (size > mm->size) { + if (size > lpfn << PAGE_SHIFT) { err = -E2BIG; goto err_free_res; } @@ -87,6 +90,12 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man, n_pages = size >> ilog2(mm->chunk_size); mutex_lock(&bman->lock); + if (lpfn <= bman->visible_size && n_pages > bman->visible_avail) { + mutex_unlock(&bman->lock); + err = -ENOSPC; + goto err_free_res; + } + err = drm_buddy_alloc_blocks(mm, (u64)place->fpfn << PAGE_SHIFT, (u64)lpfn << PAGE_SHIFT, (u64)n_pages << PAGE_SHIFT, @@ -107,6 +116,38 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man, mutex_unlock(&bman->lock); } + if (lpfn <= bman->visible_size) { + bman_res->used_visible_size = bman_res->base.num_pages; + } else { + struct drm_buddy_block *block; + + list_for_each_entry(block, &bman_res->blocks, link) { + unsigned long start = + drm_buddy_block_offset(block) >> PAGE_SHIFT; + + if (start < bman->visible_size) { + unsigned long end = start + + (drm_buddy_block_size(mm, block) >> PAGE_SHIFT); + + bman_res->used_visible_size += + min(end, bman->visible_size) - start; + } + } + } + + if (bman_res->used_visible_size) { + mutex_lock(&bman->lock); + bman->visible_avail -= bman_res->used_visible_size; + mutex_unlock(&bman->lock); + } + + if (place->lpfn - place->fpfn == n_pages) + bman_res->base.start = place->fpfn; + else if (lpfn <= bman->visible_size) + bman_res->base.start = 0; + else + bman_res->base.start = bman->visible_size; + *res = &bman_res->base; return 0; @@ -128,6 +169,7 @@ static void i915_ttm_buddy_man_free(struct ttm_resource_manager *man, mutex_lock(&bman->lock); drm_buddy_free_list(&bman->mm, &bman_res->blocks); + bman->visible_avail += bman_res->used_visible_size; mutex_unlock(&bman->lock); ttm_resource_fini(man, res); @@ -143,6 +185,12 @@ static void i915_ttm_buddy_man_debug(struct ttm_resource_manager *man, mutex_lock(&bman->lock); drm_printf(printer, "default_page_size: %lluKiB\n", bman->default_page_size >> 10); + drm_printf(printer, "visible_avail: %lluMiB\n", + (u64)bman->visible_avail << PAGE_SHIFT >> 20); + drm_printf(printer, "visible_size: %lluMiB\n", + (u64)bman->visible_size << PAGE_SHIFT >> 20); + drm_printf(printer, "visible_reserved: %lluMiB\n", + (u64)bman->visible_reserved << PAGE_SHIFT >> 20); drm_buddy_print(&bman->mm, printer); @@ -164,6 +212,7 @@ static const struct ttm_resource_manager_func i915_ttm_buddy_manager_func = { * @type: Memory type we want to manage * @use_tt: Set use_tt for the manager * @size: The size in bytes to manage + * @visible_size: The CPU visible size in bytes to manage * @default_page_size: The default minimum page size in bytes for allocations, * this must be at least as large as @chunk_size, and can be overridden by * setting the BO page_alignment, to be larger or smaller as needed. @@ -187,7 +236,7 @@ static const struct ttm_resource_manager_func i915_ttm_buddy_manager_func = { */ int i915_ttm_buddy_man_init(struct ttm_device *bdev, unsigned int type, bool use_tt, - u64 size, u64 default_page_size, + u64 size, u64 visible_size, u64 default_page_size, u64 chunk_size) { struct ttm_resource_manager *man; @@ -206,6 +255,8 @@ int i915_ttm_buddy_man_init(struct ttm_device *bdev, INIT_LIST_HEAD(&bman->reserved); GEM_BUG_ON(default_page_size < chunk_size); bman->default_page_size = default_page_size; + bman->visible_size = visible_size >> PAGE_SHIFT; + bman->visible_avail = bman->visible_size; man = &bman->manager; man->use_tt = use_tt; @@ -250,6 +301,8 @@ int i915_ttm_buddy_man_fini(struct ttm_device *bdev, unsigned int type) mutex_lock(&bman->lock); drm_buddy_free_list(mm, &bman->reserved); drm_buddy_fini(mm); + bman->visible_avail += bman->visible_reserved; + WARN_ON_ONCE(bman->visible_avail != bman->visible_size); mutex_unlock(&bman->lock); ttm_resource_manager_cleanup(man); @@ -273,6 +326,7 @@ int i915_ttm_buddy_man_reserve(struct ttm_resource_manager *man, { struct i915_ttm_buddy_manager *bman = to_buddy_manager(man); struct drm_buddy *mm = &bman->mm; + unsigned long fpfn = start >> PAGE_SHIFT; unsigned long flags = 0; int ret; @@ -284,8 +338,37 @@ int i915_ttm_buddy_man_reserve(struct ttm_resource_manager *man, size, mm->chunk_size, &bman->reserved, flags); + + if (fpfn < bman->visible_size) { + unsigned long lpfn = fpfn + (size >> PAGE_SHIFT); + unsigned long visible = min(lpfn, bman->visible_size) - fpfn; + + bman->visible_reserved += visible; + bman->visible_avail -= visible; + } mutex_unlock(&bman->lock); return ret; } +/** + * i915_ttm_buddy_man_visible_size - Return the size of the CPU visible portion + * in pages. + * @man: The buddy allocator ttm manager + */ +u64 i915_ttm_buddy_man_visible_size(struct ttm_resource_manager *man) +{ + struct i915_ttm_buddy_manager *bman = to_buddy_manager(man); + + return bman->visible_size; +} + +#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) +void i915_ttm_buddy_man_force_visible_size(struct ttm_resource_manager *man, + u64 size) +{ + struct i915_ttm_buddy_manager *bman = to_buddy_manager(man); + + bman->visible_size = size; +} +#endif diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.h b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.h index 72c90b432e87..52d9586d242c 100644 --- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.h +++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.h @@ -21,6 +21,8 @@ struct drm_buddy; * @base: struct ttm_resource base class we extend * @blocks: the list of struct i915_buddy_block for this resource/allocation * @flags: DRM_BUDDY_*_ALLOCATION flags + * @used_visible_size: How much of this resource, if any, uses the CPU visible + * portion, in pages. * @mm: the struct i915_buddy_mm for this resource * * Extends the struct ttm_resource to manage an address space allocation with @@ -30,6 +32,7 @@ struct i915_ttm_buddy_resource { struct ttm_resource base; struct list_head blocks; unsigned long flags; + unsigned long used_visible_size; struct drm_buddy *mm; }; @@ -48,11 +51,19 @@ to_ttm_buddy_resource(struct ttm_resource *res) int i915_ttm_buddy_man_init(struct ttm_device *bdev, unsigned type, bool use_tt, - u64 size, u64 default_page_size, u64 chunk_size); + u64 size, u64 visible_size, + u64 default_page_size, u64 chunk_size); int i915_ttm_buddy_man_fini(struct ttm_device *bdev, unsigned int type); int i915_ttm_buddy_man_reserve(struct ttm_resource_manager *man, u64 start, u64 size); +u64 i915_ttm_buddy_man_visible_size(struct ttm_resource_manager *man); + +#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) +void i915_ttm_buddy_man_force_visible_size(struct ttm_resource_manager *man, + u64 size); +#endif + #endif diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 845cd88f8313..94fcdb7bd21d 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -540,6 +540,9 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma) void __iomem *ptr; int err; + if (WARN_ON_ONCE(vma->obj->flags & I915_BO_ALLOC_GPU_ONLY)) + return IO_ERR_PTR(-EINVAL); + if (!i915_gem_object_is_lmem(vma->obj)) { if (GEM_WARN_ON(!i915_vma_is_map_and_fenceable(vma))) { err = -ENODEV; @@ -757,6 +760,14 @@ i915_vma_insert(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, end = min_t(u64, end, (1ULL << 32) - I915_GTT_PAGE_SIZE); GEM_BUG_ON(!IS_ALIGNED(end, I915_GTT_PAGE_SIZE)); + alignment = max(alignment, i915_vm_obj_min_alignment(vma->vm, vma->obj)); + /* + * for compact-pt we round up the reservation to prevent + * any smaller pages being used within the same PDE + */ + if (NEEDS_COMPACT_PT(vma->vm->i915)) + size = round_up(size, alignment); + /* If binding the object/GGTT view requires more space than the entire * aperture has, reject it early before evicting everything in a vain * attempt to find space. @@ -769,6 +780,7 @@ i915_vma_insert(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, } color = 0; + if (i915_vm_has_cache_coloring(vma->vm)) color = vma->obj->cache_level; @@ -1609,15 +1621,27 @@ void i915_vma_reopen(struct i915_vma *vma) void i915_vma_release(struct kref *ref) { struct i915_vma *vma = container_of(ref, typeof(*vma), ref); + + i915_vm_put(vma->vm); + i915_active_fini(&vma->active); + GEM_WARN_ON(vma->resource); + i915_vma_free(vma); +} + +static void force_unbind(struct i915_vma *vma) +{ + if (!drm_mm_node_allocated(&vma->node)) + return; + + atomic_and(~I915_VMA_PIN_MASK, &vma->flags); + WARN_ON(__i915_vma_unbind(vma)); + GEM_BUG_ON(drm_mm_node_allocated(&vma->node)); +} + +static void release_references(struct i915_vma *vma) +{ struct drm_i915_gem_object *obj = vma->obj; - if (drm_mm_node_allocated(&vma->node)) { - mutex_lock(&vma->vm->mutex); - atomic_and(~I915_VMA_PIN_MASK, &vma->flags); - WARN_ON(__i915_vma_unbind(vma)); - mutex_unlock(&vma->vm->mutex); - GEM_BUG_ON(drm_mm_node_allocated(&vma->node)); - } GEM_BUG_ON(i915_vma_is_active(vma)); spin_lock(&obj->vma.lock); @@ -1627,11 +1651,49 @@ void i915_vma_release(struct kref *ref) spin_unlock(&obj->vma.lock); __i915_vma_remove_closed(vma); - i915_vm_put(vma->vm); - i915_active_fini(&vma->active); - GEM_WARN_ON(vma->resource); - i915_vma_free(vma); + __i915_vma_put(vma); +} + +/** + * i915_vma_destroy_locked - Remove all weak reference to the vma and put + * the initial reference. + * + * This function should be called when it's decided the vma isn't needed + * anymore. The caller must assure that it doesn't race with another lookup + * plus destroy, typically by taking an appropriate reference. + * + * Current callsites are + * - __i915_gem_object_pages_fini() + * - __i915_vm_close() - Blocks the above function by taking a reference on + * the object. + * - __i915_vma_parked() - Blocks the above functions by taking an open-count on + * the vm and a reference on the object. + * + * Because of locks taken during destruction, a vma is also guaranteed to + * stay alive while the following locks are held if it was looked up while + * holding one of the locks: + * - vm->mutex + * - obj->vma.lock + * - gt->closed_lock + * + * A vma user can also temporarily keep the vma alive while holding a vma + * reference. + */ +void i915_vma_destroy_locked(struct i915_vma *vma) +{ + lockdep_assert_held(&vma->vm->mutex); + + force_unbind(vma); + release_references(vma); +} + +void i915_vma_destroy(struct i915_vma *vma) +{ + mutex_lock(&vma->vm->mutex); + force_unbind(vma); + mutex_unlock(&vma->vm->mutex); + release_references(vma); } void i915_vma_parked(struct intel_gt *gt) @@ -1665,7 +1727,7 @@ void i915_vma_parked(struct intel_gt *gt) if (i915_gem_object_trylock(obj, NULL)) { INIT_LIST_HEAD(&vma->closed_link); - __i915_vma_put(vma); + i915_vma_destroy(vma); i915_gem_object_unlock(obj); } else { /* back you go.. */ diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 011af044ad4f..67ae7341c7e0 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -236,6 +236,9 @@ static inline void __i915_vma_put(struct i915_vma *vma) kref_put(&vma->ref, i915_vma_release); } +void i915_vma_destroy_locked(struct i915_vma *vma); +void i915_vma_destroy(struct i915_vma *vma); + #define assert_vma_held(vma) dma_resv_assert_held((vma)->obj->base.resv) static inline void i915_vma_lock(struct i915_vma *vma) diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 98861642e275..41a5b98d1342 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -173,6 +173,10 @@ static const u16 subplatform_portf_ids[] = { INTEL_ICL_PORT_F_IDS(0), }; +static const u16 subplatform_uy_ids[] = { + INTEL_TGL_12_GT2_IDS(0), +}; + static const u16 subplatform_n_ids[] = { INTEL_ADLN_IDS(0), }; @@ -217,6 +221,9 @@ void intel_device_info_subplatform_init(struct drm_i915_private *i915) } else if (find_devid(devid, subplatform_portf_ids, ARRAY_SIZE(subplatform_portf_ids))) { mask = BIT(INTEL_SUBPLATFORM_PORTF); + } else if (find_devid(devid, subplatform_uy_ids, + ARRAY_SIZE(subplatform_uy_ids))) { + mask = BIT(INTEL_SUBPLATFORM_UY); } else if (find_devid(devid, subplatform_n_ids, ARRAY_SIZE(subplatform_n_ids))) { mask = BIT(INTEL_SUBPLATFORM_N); @@ -225,25 +232,6 @@ void intel_device_info_subplatform_init(struct drm_i915_private *i915) mask = BIT(INTEL_SUBPLATFORM_RPL_S); } - if (IS_TIGERLAKE(i915)) { - struct pci_dev *root, *pdev = to_pci_dev(i915->drm.dev); - - root = list_first_entry(&pdev->bus->devices, typeof(*root), bus_list); - - drm_WARN_ON(&i915->drm, mask); - drm_WARN_ON(&i915->drm, (root->device & TGL_ROOT_DEVICE_MASK) != - TGL_ROOT_DEVICE_ID); - - switch (root->device & TGL_ROOT_DEVICE_SKU_MASK) { - case TGL_ROOT_DEVICE_SKU_ULX: - mask = BIT(INTEL_SUBPLATFORM_ULX); - break; - case TGL_ROOT_DEVICE_SKU_ULT: - mask = BIT(INTEL_SUBPLATFORM_ULT); - break; - } - } - GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK); RUNTIME_INFO(i915)->platform_mask[pi] |= mask; diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index 8026e805ff12..f9b955810593 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -106,6 +106,9 @@ enum intel_platform { /* ICL */ #define INTEL_SUBPLATFORM_PORTF (0) +/* TGL */ +#define INTEL_SUBPLATFORM_UY (0) + /* DG2 */ #define INTEL_SUBPLATFORM_G10 0 #define INTEL_SUBPLATFORM_G11 1 @@ -131,9 +134,11 @@ enum intel_ppgtt_type { /* Keep has_* in alphabetical order */ \ func(has_64bit_reloc); \ func(has_64k_pages); \ + func(needs_compact_pt); \ func(gpu_reset_clobbers_display); \ func(has_reset_engine); \ func(has_4tile); \ + func(has_flat_ccs); \ func(has_global_mocs); \ func(has_gt_uc); \ func(has_guc_deprivilege); \ diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c index 49ccafc224b7..ded78b83e0b5 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.c +++ b/drivers/gpu/drm/i915/intel_memory_region.c @@ -99,10 +99,14 @@ static int iomemtest(struct intel_memory_region *mem, bool test_all, const void *caller) { - resource_size_t last = resource_size(&mem->region) - PAGE_SIZE; - resource_size_t page; + resource_size_t last, page; int err; + if (mem->io_size < PAGE_SIZE) + return 0; + + last = mem->io_size - PAGE_SIZE; + /* * Quick test to check read/write access to the iomap (backing store). * @@ -219,6 +223,7 @@ intel_memory_region_create(struct drm_i915_private *i915, resource_size_t size, resource_size_t min_page_size, resource_size_t io_start, + resource_size_t io_size, u16 type, u16 instance, const struct intel_memory_region_ops *ops) @@ -233,6 +238,7 @@ intel_memory_region_create(struct drm_i915_private *i915, mem->i915 = i915; mem->region = (struct resource)DEFINE_RES_MEM(start, size); mem->io_start = io_start; + mem->io_size = io_size; mem->min_page_size = min_page_size; mem->ops = ops; mem->total = size; diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 385c32b0709d..bbc35ec5c090 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -67,10 +67,8 @@ struct intel_memory_region { struct io_mapping iomap; struct resource region; - /* For fake LMEM */ - struct drm_mm_node fake_mappable; - resource_size_t io_start; + resource_size_t io_size; resource_size_t min_page_size; resource_size_t total; resource_size_t avail; @@ -81,8 +79,6 @@ struct intel_memory_region { char name[16]; bool private; /* not for userspace */ - dma_addr_t remap_addr; - struct { struct mutex lock; /* Protects access to objects */ struct list_head list; @@ -103,6 +99,7 @@ intel_memory_region_create(struct drm_i915_private *i915, resource_size_t size, resource_size_t min_page_size, resource_size_t io_start, + resource_size_t io_size, u16 type, u16 instance, const struct intel_memory_region_ops *ops); diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c b/drivers/gpu/drm/i915/intel_region_ttm.c index f2b888c16958..737ef3f4ab54 100644 --- a/drivers/gpu/drm/i915/intel_region_ttm.c +++ b/drivers/gpu/drm/i915/intel_region_ttm.c @@ -87,6 +87,7 @@ int intel_region_ttm_init(struct intel_memory_region *mem) ret = i915_ttm_buddy_man_init(bdev, mem_type, false, resource_size(&mem->region), + mem->io_size, mem->min_page_size, PAGE_SIZE); if (ret) return ret; @@ -199,12 +200,25 @@ intel_region_ttm_resource_alloc(struct intel_memory_region *mem, struct ttm_resource *res; int ret; + if (flags & I915_BO_ALLOC_CONTIGUOUS) + place.flags |= TTM_PL_FLAG_CONTIGUOUS; + if (mem->io_size && mem->io_size < mem->total) { + if (flags & I915_BO_ALLOC_GPU_ONLY) { + place.flags |= TTM_PL_FLAG_TOPDOWN; + } else { + place.fpfn = 0; + place.lpfn = mem->io_size >> PAGE_SHIFT; + } + } + mock_bo.base.size = size; - place.flags = flags; + mock_bo.bdev = &mem->i915->bdev; ret = man->func->alloc(man, &mock_bo, &place, &res); if (ret == -ENOSPC) ret = -ENXIO; + if (!ret) + res->bo = NULL; /* Rather blow up, then some uaf */ return ret ? ERR_PTR(ret) : res; } @@ -219,6 +233,11 @@ void intel_region_ttm_resource_free(struct intel_memory_region *mem, struct ttm_resource *res) { struct ttm_resource_manager *man = mem->region_private; + struct ttm_buffer_object mock_bo = {}; + + mock_bo.base.size = res->num_pages << PAGE_SHIFT; + mock_bo.bdev = &mem->i915->bdev; + res->bo = &mock_bo; man->func->free(man, res); } diff --git a/drivers/gpu/drm/i915/intel_step.c b/drivers/gpu/drm/i915/intel_step.c index b6561f97578d..74e8e4680028 100644 --- a/drivers/gpu/drm/i915/intel_step.c +++ b/drivers/gpu/drm/i915/intel_step.c @@ -172,7 +172,7 @@ void intel_step_init(struct drm_i915_private *i915) } else if (IS_ROCKETLAKE(i915)) { revids = rkl_revids; size = ARRAY_SIZE(rkl_revids); - } else if (IS_TGL_U(i915) || IS_TGL_Y(i915)) { + } else if (IS_TGL_UY(i915)) { revids = tgl_uy_revids; size = ARRAY_SIZE(tgl_uy_revids); } else if (IS_TIGERLAKE(i915)) { diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index e7e6c4b2c81d..ab751192eb3b 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -27,9 +27,11 @@ #include "gem/i915_gem_context.h" #include "gem/i915_gem_internal.h" +#include "gem/i915_gem_region.h" #include "gem/selftests/mock_context.h" #include "gt/intel_context.h" #include "gt/intel_gpu_commands.h" +#include "gt/intel_gtt.h" #include "i915_random.h" #include "i915_selftest.h" @@ -239,6 +241,8 @@ static int lowlevel_hole(struct i915_address_space *vm, u64 hole_start, u64 hole_end, unsigned long end_time) { + const unsigned int min_alignment = + i915_vm_min_alignment(vm, INTEL_MEMORY_SYSTEM); I915_RND_STATE(seed_prng); struct i915_vma_resource *mock_vma_res; unsigned int size; @@ -252,9 +256,10 @@ static int lowlevel_hole(struct i915_address_space *vm, I915_RND_SUBSTATE(prng, seed_prng); struct drm_i915_gem_object *obj; unsigned int *order, count, n; - u64 hole_size; + u64 hole_size, aligned_size; - hole_size = (hole_end - hole_start) >> size; + aligned_size = max_t(u32, ilog2(min_alignment), size); + hole_size = (hole_end - hole_start) >> aligned_size; if (hole_size > KMALLOC_MAX_SIZE / sizeof(u32)) hole_size = KMALLOC_MAX_SIZE / sizeof(u32); count = hole_size >> 1; @@ -275,8 +280,8 @@ static int lowlevel_hole(struct i915_address_space *vm, } GEM_BUG_ON(!order); - GEM_BUG_ON(count * BIT_ULL(size) > vm->total); - GEM_BUG_ON(hole_start + count * BIT_ULL(size) > hole_end); + GEM_BUG_ON(count * BIT_ULL(aligned_size) > vm->total); + GEM_BUG_ON(hole_start + count * BIT_ULL(aligned_size) > hole_end); /* Ignore allocation failures (i.e. don't report them as * a test failure) as we are purposefully allocating very @@ -299,10 +304,10 @@ static int lowlevel_hole(struct i915_address_space *vm, } for (n = 0; n < count; n++) { - u64 addr = hole_start + order[n] * BIT_ULL(size); + u64 addr = hole_start + order[n] * BIT_ULL(aligned_size); intel_wakeref_t wakeref; - GEM_BUG_ON(addr + BIT_ULL(size) > vm->total); + GEM_BUG_ON(addr + BIT_ULL(aligned_size) > vm->total); if (igt_timeout(end_time, "%s timed out before %d/%d\n", @@ -345,7 +350,7 @@ alloc_vm_end: } mock_vma_res->bi.pages = obj->mm.pages; - mock_vma_res->node_size = BIT_ULL(size); + mock_vma_res->node_size = BIT_ULL(aligned_size); mock_vma_res->start = addr; with_intel_runtime_pm(vm->gt->uncore->rpm, wakeref) @@ -356,7 +361,7 @@ alloc_vm_end: i915_random_reorder(order, count, &prng); for (n = 0; n < count; n++) { - u64 addr = hole_start + order[n] * BIT_ULL(size); + u64 addr = hole_start + order[n] * BIT_ULL(aligned_size); intel_wakeref_t wakeref; GEM_BUG_ON(addr + BIT_ULL(size) > vm->total); @@ -400,8 +405,10 @@ static int fill_hole(struct i915_address_space *vm, { const u64 hole_size = hole_end - hole_start; struct drm_i915_gem_object *obj; + const unsigned int min_alignment = + i915_vm_min_alignment(vm, INTEL_MEMORY_SYSTEM); const unsigned long max_pages = - min_t(u64, ULONG_MAX - 1, hole_size/2 >> PAGE_SHIFT); + min_t(u64, ULONG_MAX - 1, (hole_size / 2) >> ilog2(min_alignment)); const unsigned long max_step = max(int_sqrt(max_pages), 2UL); unsigned long npages, prime, flags; struct i915_vma *vma; @@ -442,14 +449,17 @@ static int fill_hole(struct i915_address_space *vm, offset = p->offset; list_for_each_entry(obj, &objects, st_link) { + u64 aligned_size = round_up(obj->base.size, + min_alignment); + vma = i915_vma_instance(obj, vm, NULL); if (IS_ERR(vma)) continue; if (p->step < 0) { - if (offset < hole_start + obj->base.size) + if (offset < hole_start + aligned_size) break; - offset -= obj->base.size; + offset -= aligned_size; } err = i915_vma_pin(vma, 0, 0, offset | flags); @@ -471,22 +481,25 @@ static int fill_hole(struct i915_address_space *vm, i915_vma_unpin(vma); if (p->step > 0) { - if (offset + obj->base.size > hole_end) + if (offset + aligned_size > hole_end) break; - offset += obj->base.size; + offset += aligned_size; } } offset = p->offset; list_for_each_entry(obj, &objects, st_link) { + u64 aligned_size = round_up(obj->base.size, + min_alignment); + vma = i915_vma_instance(obj, vm, NULL); if (IS_ERR(vma)) continue; if (p->step < 0) { - if (offset < hole_start + obj->base.size) + if (offset < hole_start + aligned_size) break; - offset -= obj->base.size; + offset -= aligned_size; } if (!drm_mm_node_allocated(&vma->node) || @@ -507,22 +520,25 @@ static int fill_hole(struct i915_address_space *vm, } if (p->step > 0) { - if (offset + obj->base.size > hole_end) + if (offset + aligned_size > hole_end) break; - offset += obj->base.size; + offset += aligned_size; } } offset = p->offset; list_for_each_entry_reverse(obj, &objects, st_link) { + u64 aligned_size = round_up(obj->base.size, + min_alignment); + vma = i915_vma_instance(obj, vm, NULL); if (IS_ERR(vma)) continue; if (p->step < 0) { - if (offset < hole_start + obj->base.size) + if (offset < hole_start + aligned_size) break; - offset -= obj->base.size; + offset -= aligned_size; } err = i915_vma_pin(vma, 0, 0, offset | flags); @@ -544,22 +560,25 @@ static int fill_hole(struct i915_address_space *vm, i915_vma_unpin(vma); if (p->step > 0) { - if (offset + obj->base.size > hole_end) + if (offset + aligned_size > hole_end) break; - offset += obj->base.size; + offset += aligned_size; } } offset = p->offset; list_for_each_entry_reverse(obj, &objects, st_link) { + u64 aligned_size = round_up(obj->base.size, + min_alignment); + vma = i915_vma_instance(obj, vm, NULL); if (IS_ERR(vma)) continue; if (p->step < 0) { - if (offset < hole_start + obj->base.size) + if (offset < hole_start + aligned_size) break; - offset -= obj->base.size; + offset -= aligned_size; } if (!drm_mm_node_allocated(&vma->node) || @@ -580,9 +599,9 @@ static int fill_hole(struct i915_address_space *vm, } if (p->step > 0) { - if (offset + obj->base.size > hole_end) + if (offset + aligned_size > hole_end) break; - offset += obj->base.size; + offset += aligned_size; } } } @@ -612,6 +631,7 @@ static int walk_hole(struct i915_address_space *vm, const u64 hole_size = hole_end - hole_start; const unsigned long max_pages = min_t(u64, ULONG_MAX - 1, hole_size >> PAGE_SHIFT); + unsigned long min_alignment; unsigned long flags; u64 size; @@ -621,6 +641,8 @@ static int walk_hole(struct i915_address_space *vm, if (i915_is_ggtt(vm)) flags |= PIN_GLOBAL; + min_alignment = i915_vm_min_alignment(vm, INTEL_MEMORY_SYSTEM); + for_each_prime_number_from(size, 1, max_pages) { struct drm_i915_gem_object *obj; struct i915_vma *vma; @@ -639,7 +661,7 @@ static int walk_hole(struct i915_address_space *vm, for (addr = hole_start; addr + obj->base.size < hole_end; - addr += obj->base.size) { + addr += round_up(obj->base.size, min_alignment)) { err = i915_vma_pin(vma, 0, 0, addr | flags); if (err) { pr_err("%s bind failed at %llx + %llx [hole %llx- %llx] with err=%d\n", @@ -691,6 +713,7 @@ static int pot_hole(struct i915_address_space *vm, { struct drm_i915_gem_object *obj; struct i915_vma *vma; + unsigned int min_alignment; unsigned long flags; unsigned int pot; int err = 0; @@ -699,6 +722,8 @@ static int pot_hole(struct i915_address_space *vm, if (i915_is_ggtt(vm)) flags |= PIN_GLOBAL; + min_alignment = i915_vm_min_alignment(vm, INTEL_MEMORY_SYSTEM); + obj = i915_gem_object_create_internal(vm->i915, 2 * I915_GTT_PAGE_SIZE); if (IS_ERR(obj)) return PTR_ERR(obj); @@ -711,13 +736,13 @@ static int pot_hole(struct i915_address_space *vm, /* Insert a pair of pages across every pot boundary within the hole */ for (pot = fls64(hole_end - 1) - 1; - pot > ilog2(2 * I915_GTT_PAGE_SIZE); + pot > ilog2(2 * min_alignment); pot--) { u64 step = BIT_ULL(pot); u64 addr; - for (addr = round_up(hole_start + I915_GTT_PAGE_SIZE, step) - I915_GTT_PAGE_SIZE; - addr <= round_down(hole_end - 2*I915_GTT_PAGE_SIZE, step) - I915_GTT_PAGE_SIZE; + for (addr = round_up(hole_start + min_alignment, step) - min_alignment; + addr <= round_down(hole_end - (2 * min_alignment), step) - min_alignment; addr += step) { err = i915_vma_pin(vma, 0, 0, addr | flags); if (err) { @@ -762,6 +787,7 @@ static int drunk_hole(struct i915_address_space *vm, unsigned long end_time) { I915_RND_STATE(prng); + unsigned int min_alignment; unsigned int size; unsigned long flags; @@ -769,15 +795,18 @@ static int drunk_hole(struct i915_address_space *vm, if (i915_is_ggtt(vm)) flags |= PIN_GLOBAL; + min_alignment = i915_vm_min_alignment(vm, INTEL_MEMORY_SYSTEM); + /* Keep creating larger objects until one cannot fit into the hole */ for (size = 12; (hole_end - hole_start) >> size; size++) { struct drm_i915_gem_object *obj; unsigned int *order, count, n; struct i915_vma *vma; - u64 hole_size; + u64 hole_size, aligned_size; int err = -ENODEV; - hole_size = (hole_end - hole_start) >> size; + aligned_size = max_t(u32, ilog2(min_alignment), size); + hole_size = (hole_end - hole_start) >> aligned_size; if (hole_size > KMALLOC_MAX_SIZE / sizeof(u32)) hole_size = KMALLOC_MAX_SIZE / sizeof(u32); count = hole_size >> 1; @@ -817,7 +846,7 @@ static int drunk_hole(struct i915_address_space *vm, GEM_BUG_ON(vma->size != BIT_ULL(size)); for (n = 0; n < count; n++) { - u64 addr = hole_start + order[n] * BIT_ULL(size); + u64 addr = hole_start + order[n] * BIT_ULL(aligned_size); err = i915_vma_pin(vma, 0, 0, addr | flags); if (err) { @@ -869,11 +898,14 @@ static int __shrink_hole(struct i915_address_space *vm, { struct drm_i915_gem_object *obj; unsigned long flags = PIN_OFFSET_FIXED | PIN_USER; + unsigned int min_alignment; unsigned int order = 12; LIST_HEAD(objects); int err = 0; u64 addr; + min_alignment = i915_vm_min_alignment(vm, INTEL_MEMORY_SYSTEM); + /* Keep creating larger objects until one cannot fit into the hole */ for (addr = hole_start; addr < hole_end; ) { struct i915_vma *vma; @@ -914,7 +946,7 @@ static int __shrink_hole(struct i915_address_space *vm, } i915_vma_unpin(vma); - addr += size; + addr += round_up(size, min_alignment); /* * Since we are injecting allocation faults at random intervals, @@ -1038,6 +1070,118 @@ err_purge: return err; } +static int misaligned_case(struct i915_address_space *vm, struct intel_memory_region *mr, + u64 addr, u64 size, unsigned long flags) +{ + struct drm_i915_gem_object *obj; + struct i915_vma *vma; + int err = 0; + u64 expected_vma_size, expected_node_size; + bool is_stolen = mr->type == INTEL_MEMORY_STOLEN_SYSTEM || + mr->type == INTEL_MEMORY_STOLEN_LOCAL; + + obj = i915_gem_object_create_region(mr, size, 0, 0); + if (IS_ERR(obj)) { + /* if iGVT-g or DMAR is active, stolen mem will be uninitialized */ + if (PTR_ERR(obj) == -ENODEV && is_stolen) + return 0; + return PTR_ERR(obj); + } + + vma = i915_vma_instance(obj, vm, NULL); + if (IS_ERR(vma)) { + err = PTR_ERR(vma); + goto err_put; + } + + err = i915_vma_pin(vma, 0, 0, addr | flags); + if (err) + goto err_put; + i915_vma_unpin(vma); + + if (!drm_mm_node_allocated(&vma->node)) { + err = -EINVAL; + goto err_put; + } + + if (i915_vma_misplaced(vma, 0, 0, addr | flags)) { + err = -EINVAL; + goto err_put; + } + + expected_vma_size = round_up(size, 1 << (ffs(vma->resource->page_sizes_gtt) - 1)); + expected_node_size = expected_vma_size; + + if (NEEDS_COMPACT_PT(vm->i915) && i915_gem_object_is_lmem(obj)) { + /* compact-pt should expand lmem node to 2MB */ + expected_vma_size = round_up(size, I915_GTT_PAGE_SIZE_64K); + expected_node_size = round_up(size, I915_GTT_PAGE_SIZE_2M); + } + + if (vma->size != expected_vma_size || vma->node.size != expected_node_size) { + err = i915_vma_unbind_unlocked(vma); + err = -EBADSLT; + goto err_put; + } + + err = i915_vma_unbind_unlocked(vma); + if (err) + goto err_put; + + GEM_BUG_ON(drm_mm_node_allocated(&vma->node)); + +err_put: + i915_gem_object_put(obj); + cleanup_freed_objects(vm->i915); + return err; +} + +static int misaligned_pin(struct i915_address_space *vm, + u64 hole_start, u64 hole_end, + unsigned long end_time) +{ + struct intel_memory_region *mr; + enum intel_region_id id; + unsigned long flags = PIN_OFFSET_FIXED | PIN_USER; + int err = 0; + u64 hole_size = hole_end - hole_start; + + if (i915_is_ggtt(vm)) + flags |= PIN_GLOBAL; + + for_each_memory_region(mr, vm->i915, id) { + u64 min_alignment = i915_vm_min_alignment(vm, (enum intel_memory_type)id); + u64 size = min_alignment; + u64 addr = round_down(hole_start + (hole_size / 2), min_alignment); + + /* avoid -ENOSPC on very small hole setups */ + if (hole_size < 3 * min_alignment) + continue; + + /* we can't test < 4k alignment due to flags being encoded in lower bits */ + if (min_alignment != I915_GTT_PAGE_SIZE_4K) { + err = misaligned_case(vm, mr, addr + (min_alignment / 2), size, flags); + /* misaligned should error with -EINVAL*/ + if (!err) + err = -EBADSLT; + if (err != -EINVAL) + return err; + } + + /* test for vma->size expansion to min page size */ + err = misaligned_case(vm, mr, addr, PAGE_SIZE, flags); + if (err) + return err; + + /* test for intermediate size not expanding vma->size for large alignments */ + err = misaligned_case(vm, mr, addr, size / 2, flags); + if (err) + return err; + } + + return 0; +} + static int exercise_ppgtt(struct drm_i915_private *dev_priv, int (*func)(struct i915_address_space *vm, u64 hole_start, u64 hole_end, @@ -1107,6 +1251,11 @@ static int igt_ppgtt_shrink_boom(void *arg) return exercise_ppgtt(arg, shrink_boom); } +static int igt_ppgtt_misaligned_pin(void *arg) +{ + return exercise_ppgtt(arg, misaligned_pin); +} + static int sort_holes(void *priv, const struct list_head *A, const struct list_head *B) { @@ -1179,6 +1328,11 @@ static int igt_ggtt_lowlevel(void *arg) return exercise_ggtt(arg, lowlevel_hole); } +static int igt_ggtt_misaligned_pin(void *arg) +{ + return exercise_ggtt(arg, misaligned_pin); +} + static int igt_ggtt_page(void *arg) { const unsigned int count = PAGE_SIZE/sizeof(u32); @@ -2151,12 +2305,14 @@ int i915_gem_gtt_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_ppgtt_fill), SUBTEST(igt_ppgtt_shrink), SUBTEST(igt_ppgtt_shrink_boom), + SUBTEST(igt_ppgtt_misaligned_pin), SUBTEST(igt_ggtt_lowlevel), SUBTEST(igt_ggtt_drunk), SUBTEST(igt_ggtt_walk), SUBTEST(igt_ggtt_pot), SUBTEST(igt_ggtt_fill), SUBTEST(igt_ggtt_page), + SUBTEST(igt_ggtt_misaligned_pin), SUBTEST(igt_cs_tlb), }; diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c index 7acba1d2135e..ba32893e0873 100644 --- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c +++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c @@ -17,6 +17,7 @@ #include "gem/i915_gem_context.h" #include "gem/i915_gem_lmem.h" #include "gem/i915_gem_region.h" +#include "gem/i915_gem_ttm.h" #include "gem/selftests/igt_gem_utils.h" #include "gem/selftests/mock_context.h" #include "gt/intel_engine_pm.h" @@ -170,7 +171,7 @@ static int igt_mock_reserve(void *arg) if (!order) return 0; - mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0); + mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0, 0); if (IS_ERR(mem)) { pr_err("failed to create memory region\n"); err = PTR_ERR(mem); @@ -383,7 +384,7 @@ static int igt_mock_splintered_region(void *arg) */ size = (SZ_4G - 1) & PAGE_MASK; - mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0); + mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0, 0); if (IS_ERR(mem)) return PTR_ERR(mem); @@ -471,7 +472,7 @@ static int igt_mock_max_segment(void *arg) */ size = SZ_8G; - mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0); + mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0, 0); if (IS_ERR(mem)) return PTR_ERR(mem); @@ -512,6 +513,147 @@ out_put: return err; } +static u64 igt_object_mappable_total(struct drm_i915_gem_object *obj) +{ + struct intel_memory_region *mr = obj->mm.region; + struct i915_ttm_buddy_resource *bman_res = + to_ttm_buddy_resource(obj->mm.res); + struct drm_buddy *mm = bman_res->mm; + struct drm_buddy_block *block; + u64 total; + + total = 0; + list_for_each_entry(block, &bman_res->blocks, link) { + u64 start = drm_buddy_block_offset(block); + u64 end = start + drm_buddy_block_size(mm, block); + + if (start < mr->io_size) + total += min_t(u64, end, mr->io_size) - start; + } + + return total; +} + +static int igt_mock_io_size(void *arg) +{ + struct intel_memory_region *mr = arg; + struct drm_i915_private *i915 = mr->i915; + struct drm_i915_gem_object *obj; + u64 mappable_theft_total; + u64 io_size; + u64 total; + u64 ps; + u64 rem; + u64 size; + I915_RND_STATE(prng); + LIST_HEAD(objects); + int err = 0; + + ps = SZ_4K; + if (i915_prandom_u64_state(&prng) & 1) + ps = SZ_64K; /* For something like DG2 */ + + div64_u64_rem(i915_prandom_u64_state(&prng), SZ_8G, &total); + total = round_down(total, ps); + total = max_t(u64, total, SZ_1G); + + div64_u64_rem(i915_prandom_u64_state(&prng), total - ps, &io_size); + io_size = round_down(io_size, ps); + io_size = max_t(u64, io_size, SZ_256M); /* 256M seems to be the common lower limit */ + + pr_info("%s with ps=%llx, io_size=%llx, total=%llx\n", + __func__, ps, io_size, total); + + mr = mock_region_create(i915, 0, total, ps, 0, io_size); + if (IS_ERR(mr)) { + err = PTR_ERR(mr); + goto out_err; + } + + mappable_theft_total = 0; + rem = total - io_size; + do { + div64_u64_rem(i915_prandom_u64_state(&prng), rem, &size); + size = round_down(size, ps); + size = max(size, ps); + + obj = igt_object_create(mr, &objects, size, + I915_BO_ALLOC_GPU_ONLY); + if (IS_ERR(obj)) { + pr_err("%s TOPDOWN failed with rem=%llx, size=%llx\n", + __func__, rem, size); + err = PTR_ERR(obj); + goto out_close; + } + + mappable_theft_total += igt_object_mappable_total(obj); + rem -= size; + } while (rem); + + pr_info("%s mappable theft=(%lluMiB/%lluMiB), total=%lluMiB\n", + __func__, + (u64)mappable_theft_total >> 20, + (u64)io_size >> 20, + (u64)total >> 20); + + /* + * Even if we allocate all of the non-mappable portion, we should still + * be able to dip into the mappable portion. + */ + obj = igt_object_create(mr, &objects, io_size, + I915_BO_ALLOC_GPU_ONLY); + if (IS_ERR(obj)) { + pr_err("%s allocation unexpectedly failed\n", __func__); + err = PTR_ERR(obj); + goto out_close; + } + + close_objects(mr, &objects); + + rem = io_size; + do { + div64_u64_rem(i915_prandom_u64_state(&prng), rem, &size); + size = round_down(size, ps); + size = max(size, ps); + + obj = igt_object_create(mr, &objects, size, 0); + if (IS_ERR(obj)) { + pr_err("%s MAPPABLE failed with rem=%llx, size=%llx\n", + __func__, rem, size); + err = PTR_ERR(obj); + goto out_close; + } + + if (igt_object_mappable_total(obj) != size) { + pr_err("%s allocation is not mappable(size=%llx)\n", + __func__, size); + err = -EINVAL; + goto out_close; + } + rem -= size; + } while (rem); + + /* + * We assume CPU access is required by default, which should result in a + * failure here, even though the non-mappable portion is free. + */ + obj = igt_object_create(mr, &objects, ps, 0); + if (!IS_ERR(obj)) { + pr_err("%s allocation unexpectedly succeeded\n", __func__); + err = -EINVAL; + goto out_close; + } + +out_close: + close_objects(mr, &objects); + intel_memory_region_destroy(mr); +out_err: + if (err == -ENOMEM) + err = 0; + + return err; +} + static int igt_gpu_write_dw(struct intel_context *ce, struct i915_vma *vma, u32 dword, @@ -680,8 +822,14 @@ static int igt_lmem_create_with_ps(void *arg) i915_gem_object_lock(obj, NULL); err = i915_gem_object_pin_pages(obj); - if (err) + if (err) { + if (err == -ENXIO || err == -E2BIG || err == -ENOMEM) { + pr_info("%s not enough lmem for ps(%u) err=%d\n", + __func__, ps, err); + err = 0; + } goto out_put; + } daddr = i915_gem_object_get_dma_address(obj, 0); if (!IS_ALIGNED(daddr, ps)) { @@ -1179,6 +1327,7 @@ int intel_memory_region_mock_selftests(void) SUBTEST(igt_mock_contiguous), SUBTEST(igt_mock_splintered_region), SUBTEST(igt_mock_max_segment), + SUBTEST(igt_mock_io_size), }; struct intel_memory_region *mem; struct drm_i915_private *i915; @@ -1188,7 +1337,7 @@ int intel_memory_region_mock_selftests(void) if (!i915) return -ENOMEM; - mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0); + mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0, 0); if (IS_ERR(mem)) { pr_err("failed to create memory region\n"); err = PTR_ERR(mem); diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c index 19bff8afcaaa..f64325491f35 100644 --- a/drivers/gpu/drm/i915/selftests/mock_region.c +++ b/drivers/gpu/drm/i915/selftests/mock_region.c @@ -22,17 +22,12 @@ static void mock_region_put_pages(struct drm_i915_gem_object *obj, static int mock_region_get_pages(struct drm_i915_gem_object *obj) { - unsigned int flags; struct sg_table *pages; int err; - flags = 0; - if (obj->flags & I915_BO_ALLOC_CONTIGUOUS) - flags |= TTM_PL_FLAG_CONTIGUOUS; - obj->mm.res = intel_region_ttm_resource_alloc(obj->mm.region, obj->base.size, - flags); + obj->flags); if (IS_ERR(obj->mm.res)) return PTR_ERR(obj->mm.res); @@ -107,7 +102,8 @@ mock_region_create(struct drm_i915_private *i915, resource_size_t start, resource_size_t size, resource_size_t min_page_size, - resource_size_t io_start) + resource_size_t io_start, + resource_size_t io_size) { int instance = ida_alloc_max(&i915->selftest.mock_region_instances, TTM_NUM_MEM_TYPES - TTM_PL_PRIV - 1, @@ -117,6 +113,7 @@ mock_region_create(struct drm_i915_private *i915, return ERR_PTR(instance); return intel_memory_region_create(i915, start, size, min_page_size, - io_start, INTEL_MEMORY_MOCK, instance, + io_start, io_size, + INTEL_MEMORY_MOCK, instance, &mock_region_ops); } diff --git a/drivers/gpu/drm/i915/selftests/mock_region.h b/drivers/gpu/drm/i915/selftests/mock_region.h index 329bf74dfaca..e36c3a433551 100644 --- a/drivers/gpu/drm/i915/selftests/mock_region.h +++ b/drivers/gpu/drm/i915/selftests/mock_region.h @@ -16,6 +16,7 @@ mock_region_create(struct drm_i915_private *i915, resource_size_t start, resource_size_t size, resource_size_t min_page_size, - resource_size_t io_start); + resource_size_t io_start, + resource_size_t io_size); #endif /* !__MOCK_REGION_H */ |