summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/gt/intel_ppgtt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_ppgtt.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_ppgtt.c74
1 files changed, 40 insertions, 34 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_ppgtt.c b/drivers/gpu/drm/i915/gt/intel_ppgtt.c
index 886060f7e6fc..d07a4f97b943 100644
--- a/drivers/gpu/drm/i915/gt/intel_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ppgtt.c
@@ -8,11 +8,12 @@
#include "gem/i915_gem_lmem.h"
#include "i915_trace.h"
+#include "intel_gt.h"
#include "intel_gtt.h"
#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 +21,13 @@ 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;
}
@@ -90,7 +92,7 @@ write_dma_entry(struct drm_i915_gem_object * const pdma,
u64 * const vaddr = __px_vaddr(pdma);
vaddr[idx] = encoded_entry;
- clflush_cache_range(&vaddr[idx], sizeof(u64));
+ drm_clflush_virt_range(&vaddr[idx], sizeof(u64));
}
void
@@ -155,19 +157,20 @@ int i915_ppgtt_init_hw(struct intel_gt *gt)
}
static struct i915_ppgtt *
-__ppgtt_create(struct intel_gt *gt)
+__ppgtt_create(struct intel_gt *gt, unsigned long lmem_pt_obj_flags)
{
if (GRAPHICS_VER(gt->i915) < 8)
return gen6_ppgtt_create(gt);
else
- return gen8_ppgtt_create(gt);
+ return gen8_ppgtt_create(gt, lmem_pt_obj_flags);
}
-struct i915_ppgtt *i915_ppgtt_create(struct intel_gt *gt)
+struct i915_ppgtt *i915_ppgtt_create(struct intel_gt *gt,
+ unsigned long lmem_pt_obj_flags)
{
struct i915_ppgtt *ppgtt;
- ppgtt = __ppgtt_create(gt);
+ ppgtt = __ppgtt_create(gt, lmem_pt_obj_flags);
if (IS_ERR(ppgtt))
return ppgtt;
@@ -178,32 +181,37 @@ struct i915_ppgtt *i915_ppgtt_create(struct intel_gt *gt)
void ppgtt_bind_vma(struct i915_address_space *vm,
struct i915_vm_pt_stash *stash,
- struct i915_vma *vma,
- enum i915_cache_level cache_level,
+ struct i915_vma_resource *vma_res,
+ unsigned int pat_index,
u32 flags)
{
u32 pte_flags;
- if (!test_bit(I915_VMA_ALLOC_BIT, __i915_vma_flags(vma))) {
- vm->allocate_va_range(vm, stash, vma->node.start, vma->size);
- set_bit(I915_VMA_ALLOC_BIT, __i915_vma_flags(vma));
+ if (!vma_res->allocated) {
+ vm->allocate_va_range(vm, stash, vma_res->start,
+ vma_res->vma_size);
+ vma_res->allocated = true;
}
/* Applicable to VLV, and gen8+ */
pte_flags = 0;
- if (i915_gem_object_is_readonly(vma->obj))
+ if (vma_res->bi.readonly)
pte_flags |= PTE_READ_ONLY;
- if (i915_gem_object_is_lmem(vma->obj))
+ if (vma_res->bi.lmem)
pte_flags |= PTE_LM;
- vm->insert_entries(vm, vma, cache_level, pte_flags);
+ vm->insert_entries(vm, vma_res, pat_index, pte_flags);
wmb();
}
-void ppgtt_unbind_vma(struct i915_address_space *vm, struct i915_vma *vma)
+void ppgtt_unbind_vma(struct i915_address_space *vm,
+ struct i915_vma_resource *vma_res)
{
- if (test_and_clear_bit(I915_VMA_ALLOC_BIT, __i915_vma_flags(vma)))
- vm->clear_range(vm, vma->node.start, vma->size);
+ if (!vma_res->allocated)
+ return;
+
+ vm->clear_range(vm, vma_res->start, vma_res->vma_size);
+ vma_invalidate_tlb(vm, vma_res->tlb);
}
static unsigned long pd_count(u64 size, int shift)
@@ -217,17 +225,25 @@ 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);
@@ -288,30 +304,20 @@ void i915_vm_free_pt_stash(struct i915_address_space *vm,
}
}
-int ppgtt_set_pages(struct i915_vma *vma)
-{
- GEM_BUG_ON(vma->pages);
-
- vma->pages = vma->obj->mm.pages;
- vma->page_sizes = vma->obj->mm.page_sizes;
-
- return 0;
-}
-
-void ppgtt_init(struct i915_ppgtt *ppgtt, struct intel_gt *gt)
+void ppgtt_init(struct i915_ppgtt *ppgtt, struct intel_gt *gt,
+ unsigned long lmem_pt_obj_flags)
{
struct drm_i915_private *i915 = gt->i915;
ppgtt->vm.gt = gt;
ppgtt->vm.i915 = i915;
ppgtt->vm.dma = i915->drm.dev;
- ppgtt->vm.total = BIT_ULL(INTEL_INFO(i915)->ppgtt_size);
+ ppgtt->vm.total = BIT_ULL(RUNTIME_INFO(i915)->ppgtt_size);
+ ppgtt->vm.lmem_pt_obj_flags = lmem_pt_obj_flags;
dma_resv_init(&ppgtt->vm._resv);
i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT);
ppgtt->vm.vma_ops.bind_vma = ppgtt_bind_vma;
ppgtt->vm.vma_ops.unbind_vma = ppgtt_unbind_vma;
- ppgtt->vm.vma_ops.set_pages = ppgtt_set_pages;
- ppgtt->vm.vma_ops.clear_pages = clear_pages;
}