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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 09:35:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 09:35:09 -0800
commit9439b3710df688d853eb6cb4851256f2c92b1797 (patch)
treea0e5de21bbe65ac73fb69cfacaa700fb8e934483 /drivers/gpu/drm/i915/i915_gem_gtt.h
parent7079efc9d3e7f1f7cdd34082ec58209026315057 (diff)
parent2cf026ae85c42f253feb9f420d1b4bc99bd5503d (diff)
Merge tag 'drm-for-v4.10' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is the main pull request for drm for 4.10 kernel. New drivers: - ZTE VOU display driver (zxdrm) - Amlogic Meson Graphic Controller GXBB/GXL/GXM SoCs (meson) - MXSFB support (mxsfb) Core: - Format handling has been reworked - Better atomic state debugging - drm_mm leak debugging - Atomic explicit fencing support - fbdev helper ops - Documentation updates - MST fbcon fixes Bridge: - Silicon Image SiI8620 driver Panel: - Add support for new simple panels i915: - GVT Device model - Better HDMI2.0 support on skylake - More watermark fixes - GPU idling rework for suspend/resume - DP Audio workarounds - Scheduler prep-work - Opregion CADL handling - GPU scheduler and priority boosting amdgfx/radeon: - Support for virtual devices - New VM manager for non-contig VRAM buffers - UVD powergating - SI register header cleanup - Cursor fixes - Powermanagement fixes nouveau: - Powermangement reworks for better voltage/clock changes - Atomic modesetting support - Displayport Multistream (MST) support. - GP102/104 hang and cursor fixes - GP106 support hisilicon: - hibmc support (BMC chip for aarch64 servers) armada: - add tracing support for overlay change - refactor plane support - de-midlayer the driver omapdrm: - Timing code cleanups rcar-du: - R8A7792/R8A7796 support - Misc fixes. sunxi: - A31 SoC display engine support imx-drm: - YUV format support - Cleanup plane atomic update mali-dp: - Misc fixes dw-hdmi: - Add support for HDMI i2c master controller tegra: - IOMMU support fixes - Error handling fixes tda998x: - Fix connector registration - Improved robustness - Fix infoframe/audio compliance virtio: - fix busid issues - allocate more vbufs qxl: - misc fixes and cleanups. vc4: - Fragment shader threading - ETC1 support - VEC (tv-out) support msm: - A5XX GPU support - Lots of atomic changes tilcdc: - Misc fixes and cleanups. etnaviv: - Fix dma-buf export path - DRAW_INSTANCED support - fix driver on i.MX6SX exynos: - HDMI refactoring fsl-dcu: - fbdev changes" * tag 'drm-for-v4.10' of git://people.freedesktop.org/~airlied/linux: (1343 commits) drm/nouveau/kms/nv50: fix atomic regression on original G80 drm/nouveau/bl: Do not register interface if Apple GMUX detected drm/nouveau/bl: Assign different names to interfaces drm/nouveau/bios/dp: fix handling of LevelEntryTableIndex on DP table 4.2 drm/nouveau/ltc: protect clearing of comptags with mutex drm/nouveau/gr/gf100-: handle GPC/TPC/MPC trap drm/nouveau/core: recognise GP106 chipset drm/nouveau/ttm: wait for bo fence to signal before unmapping vmas drm/nouveau/gr/gf100-: FECS intr handling is not relevant on proprietary ucode drm/nouveau/gr/gf100-: properly ack all FECS error interrupts drm/nouveau/fifo/gf100-: recover from host mmu faults drm: Add fake controlD* symlinks for backwards compat drm/vc4: Don't use drm_put_dev drm/vc4: Document VEC DT binding drm/vc4: Add support for the VEC (Video Encoder) IP drm: Add TV connector states to drm_connector_state drm: Turn DRM_MODE_SUBCONNECTOR_xx definitions into an enum drm/vc4: Fix ->clock_select setting for the VEC encoder drm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in resume_mc_access as well drm/amdgpu: use pin rather than pin_restricted in a few cases ...
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.h')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.h250
1 files changed, 28 insertions, 222 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index ec78be2f8c77..4f35be4c26c7 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -35,7 +35,9 @@
#define __I915_GEM_GTT_H__
#include <linux/io-mapping.h>
+#include <linux/mm.h>
+#include "i915_gem_timeline.h"
#include "i915_gem_request.h"
#define I915_FENCE_REG_NONE -1
@@ -118,8 +120,8 @@ typedef uint64_t gen8_ppgtt_pml4e_t;
#define GEN8_LEGACY_PDPES 4
#define GEN8_PTES I915_PTES(sizeof(gen8_pte_t))
-#define I915_PDPES_PER_PDP(dev) (USES_FULL_48BIT_PPGTT(dev) ?\
- GEN8_PML4ES_PER_PML4 : GEN8_LEGACY_PDPES)
+#define I915_PDPES_PER_PDP(dev_priv) (USES_FULL_48BIT_PPGTT(dev_priv) ?\
+ GEN8_PML4ES_PER_PML4 : GEN8_LEGACY_PDPES)
#define PPAT_UNCACHED_INDEX (_PAGE_PWT | _PAGE_PCD)
#define PPAT_CACHED_PDE_INDEX 0 /* WB LLC */
@@ -138,6 +140,8 @@ typedef uint64_t gen8_ppgtt_pml4e_t;
#define GEN8_PPAT_ELLC_OVERRIDE (0<<2)
#define GEN8_PPAT(i, x) ((uint64_t) (x) << ((i) * 8))
+struct sg_table;
+
enum i915_ggtt_view_type {
I915_GGTT_VIEW_NORMAL = 0,
I915_GGTT_VIEW_ROTATED,
@@ -168,133 +172,7 @@ extern const struct i915_ggtt_view i915_ggtt_view_rotated;
enum i915_cache_level;
-/**
- * A VMA represents a GEM BO that is bound into an address space. Therefore, a
- * VMA's presence cannot be guaranteed before binding, or after unbinding the
- * object into/from the address space.
- *
- * To make things as simple as possible (ie. no refcounting), a VMA's lifetime
- * will always be <= an objects lifetime. So object refcounting should cover us.
- */
-struct i915_vma {
- struct drm_mm_node node;
- struct drm_i915_gem_object *obj;
- struct i915_address_space *vm;
- struct drm_i915_fence_reg *fence;
- struct sg_table *pages;
- void __iomem *iomap;
- u64 size;
- u64 display_alignment;
-
- unsigned int flags;
- /**
- * How many users have pinned this object in GTT space. The following
- * users can each hold at most one reference: pwrite/pread, execbuffer
- * (objects are not allowed multiple times for the same batchbuffer),
- * and the framebuffer code. When switching/pageflipping, the
- * framebuffer code has at most two buffers pinned per crtc.
- *
- * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
- * bits with absolutely no headroom. So use 4 bits.
- */
-#define I915_VMA_PIN_MASK 0xf
-#define I915_VMA_PIN_OVERFLOW BIT(5)
-
- /** Flags and address space this VMA is bound to */
-#define I915_VMA_GLOBAL_BIND BIT(6)
-#define I915_VMA_LOCAL_BIND BIT(7)
-#define I915_VMA_BIND_MASK (I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND | I915_VMA_PIN_OVERFLOW)
-
-#define I915_VMA_GGTT BIT(8)
-#define I915_VMA_CAN_FENCE BIT(9)
-#define I915_VMA_CLOSED BIT(10)
-
- unsigned int active;
- struct i915_gem_active last_read[I915_NUM_ENGINES];
- struct i915_gem_active last_fence;
-
- /**
- * Support different GGTT views into the same object.
- * This means there can be multiple VMA mappings per object and per VM.
- * i915_ggtt_view_type is used to distinguish between those entries.
- * The default one of zero (I915_GGTT_VIEW_NORMAL) is default and also
- * assumed in GEM functions which take no ggtt view parameter.
- */
- struct i915_ggtt_view ggtt_view;
-
- /** This object's place on the active/inactive lists */
- struct list_head vm_link;
-
- struct list_head obj_link; /* Link in the object's VMA list */
-
- /** This vma's place in the batchbuffer or on the eviction list */
- struct list_head exec_list;
-
- /**
- * Used for performing relocations during execbuffer insertion.
- */
- struct hlist_node exec_node;
- unsigned long exec_handle;
- struct drm_i915_gem_exec_object2 *exec_entry;
-};
-
-struct i915_vma *
-i915_vma_create(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm,
- const struct i915_ggtt_view *view);
-void i915_vma_unpin_and_release(struct i915_vma **p_vma);
-
-static inline bool i915_vma_is_ggtt(const struct i915_vma *vma)
-{
- return vma->flags & I915_VMA_GGTT;
-}
-
-static inline bool i915_vma_is_map_and_fenceable(const struct i915_vma *vma)
-{
- return vma->flags & I915_VMA_CAN_FENCE;
-}
-
-static inline bool i915_vma_is_closed(const struct i915_vma *vma)
-{
- return vma->flags & I915_VMA_CLOSED;
-}
-
-static inline unsigned int i915_vma_get_active(const struct i915_vma *vma)
-{
- return vma->active;
-}
-
-static inline bool i915_vma_is_active(const struct i915_vma *vma)
-{
- return i915_vma_get_active(vma);
-}
-
-static inline void i915_vma_set_active(struct i915_vma *vma,
- unsigned int engine)
-{
- vma->active |= BIT(engine);
-}
-
-static inline void i915_vma_clear_active(struct i915_vma *vma,
- unsigned int engine)
-{
- vma->active &= ~BIT(engine);
-}
-
-static inline bool i915_vma_has_active_engine(const struct i915_vma *vma,
- unsigned int engine)
-{
- return vma->active & BIT(engine);
-}
-
-static inline u32 i915_ggtt_offset(const struct i915_vma *vma)
-{
- GEM_BUG_ON(!i915_vma_is_ggtt(vma));
- GEM_BUG_ON(!vma->node.allocated);
- GEM_BUG_ON(upper_32_bits(vma->node.start));
- GEM_BUG_ON(upper_32_bits(vma->node.start + vma->node.size - 1));
- return lower_32_bits(vma->node.start);
-}
+struct i915_vma;
struct i915_page_dma {
struct page *page;
@@ -341,6 +219,7 @@ struct i915_pml4 {
struct i915_address_space {
struct drm_mm mm;
+ struct i915_gem_timeline timeline;
struct drm_device *dev;
/* Every address space belongs to a struct file - except for the global
* GTT that is owned by the driver (and so @file is set to NULL). In
@@ -395,7 +274,7 @@ struct i915_address_space {
/* FIXME: Need a more generic return type */
gen6_pte_t (*pte_encode)(dma_addr_t addr,
enum i915_cache_level level,
- bool valid, u32 flags); /* Create a valid PTE */
+ u32 flags); /* Create a valid PTE */
/* flags for pte_encode */
#define PTE_READ_ONLY (1<<0)
int (*allocate_va_range)(struct i915_address_space *vm,
@@ -403,8 +282,7 @@ struct i915_address_space {
uint64_t length);
void (*clear_range)(struct i915_address_space *vm,
uint64_t start,
- uint64_t length,
- bool use_scratch);
+ uint64_t length);
void (*insert_page)(struct i915_address_space *vm,
dma_addr_t addr,
uint64_t offset,
@@ -450,6 +328,8 @@ struct i915_ggtt {
bool do_idle_maps;
int mtrr;
+
+ struct drm_mm_node error_capture;
};
struct i915_hw_ppgtt {
@@ -602,16 +482,24 @@ i915_page_dir_dma_addr(const struct i915_hw_ppgtt *ppgtt, const unsigned n)
px_dma(ppgtt->base.scratch_pd);
}
+static inline struct i915_ggtt *
+i915_vm_to_ggtt(struct i915_address_space *vm)
+{
+ GEM_BUG_ON(!i915_is_ggtt(vm));
+ return container_of(vm, struct i915_ggtt, base);
+}
+
int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv);
int i915_ggtt_init_hw(struct drm_i915_private *dev_priv);
int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv);
int i915_gem_init_ggtt(struct drm_i915_private *dev_priv);
void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv);
-int i915_ppgtt_init_hw(struct drm_device *dev);
+int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv);
void i915_ppgtt_release(struct kref *kref);
struct i915_hw_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv,
- struct drm_i915_file_private *fpriv);
+ struct drm_i915_file_private *fpriv,
+ const char *name);
static inline void i915_ppgtt_get(struct i915_hw_ppgtt *ppgtt)
{
if (ppgtt)
@@ -624,11 +512,13 @@ static inline void i915_ppgtt_put(struct i915_hw_ppgtt *ppgtt)
}
void i915_check_and_clear_faults(struct drm_i915_private *dev_priv);
-void i915_gem_suspend_gtt_mappings(struct drm_device *dev);
-void i915_gem_restore_gtt_mappings(struct drm_device *dev);
+void i915_gem_suspend_gtt_mappings(struct drm_i915_private *dev_priv);
+void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv);
-int __must_check i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj);
-void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj);
+int __must_check i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj,
+ struct sg_table *pages);
+void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
+ struct sg_table *pages);
/* Flags used by pin/bind&friends. */
#define PIN_NONBLOCK BIT(0)
@@ -646,88 +536,4 @@ void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj);
#define PIN_OFFSET_FIXED BIT(11)
#define PIN_OFFSET_MASK (~4095)
-int __i915_vma_do_pin(struct i915_vma *vma,
- u64 size, u64 alignment, u64 flags);
-static inline int __must_check
-i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
-{
- BUILD_BUG_ON(PIN_MBZ != I915_VMA_PIN_OVERFLOW);
- BUILD_BUG_ON(PIN_GLOBAL != I915_VMA_GLOBAL_BIND);
- BUILD_BUG_ON(PIN_USER != I915_VMA_LOCAL_BIND);
-
- /* Pin early to prevent the shrinker/eviction logic from destroying
- * our vma as we insert and bind.
- */
- if (likely(((++vma->flags ^ flags) & I915_VMA_BIND_MASK) == 0))
- return 0;
-
- return __i915_vma_do_pin(vma, size, alignment, flags);
-}
-
-static inline int i915_vma_pin_count(const struct i915_vma *vma)
-{
- return vma->flags & I915_VMA_PIN_MASK;
-}
-
-static inline bool i915_vma_is_pinned(const struct i915_vma *vma)
-{
- return i915_vma_pin_count(vma);
-}
-
-static inline void __i915_vma_pin(struct i915_vma *vma)
-{
- vma->flags++;
- GEM_BUG_ON(vma->flags & I915_VMA_PIN_OVERFLOW);
-}
-
-static inline void __i915_vma_unpin(struct i915_vma *vma)
-{
- GEM_BUG_ON(!i915_vma_is_pinned(vma));
- vma->flags--;
-}
-
-static inline void i915_vma_unpin(struct i915_vma *vma)
-{
- GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
- __i915_vma_unpin(vma);
-}
-
-/**
- * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture
- * @vma: VMA to iomap
- *
- * The passed in VMA has to be pinned in the global GTT mappable region.
- * An extra pinning of the VMA is acquired for the return iomapping,
- * the caller must call i915_vma_unpin_iomap to relinquish the pinning
- * after the iomapping is no longer required.
- *
- * Callers must hold the struct_mutex.
- *
- * Returns a valid iomapped pointer or ERR_PTR.
- */
-void __iomem *i915_vma_pin_iomap(struct i915_vma *vma);
-#define IO_ERR_PTR(x) ((void __iomem *)ERR_PTR(x))
-
-/**
- * i915_vma_unpin_iomap - unpins the mapping returned from i915_vma_iomap
- * @vma: VMA to unpin
- *
- * Unpins the previously iomapped VMA from i915_vma_pin_iomap().
- *
- * Callers must hold the struct_mutex. This function is only valid to be
- * called on a VMA previously iomapped by the caller with i915_vma_pin_iomap().
- */
-static inline void i915_vma_unpin_iomap(struct i915_vma *vma)
-{
- lockdep_assert_held(&vma->vm->dev->struct_mutex);
- GEM_BUG_ON(vma->iomap == NULL);
- i915_vma_unpin(vma);
-}
-
-static inline struct page *i915_vma_first_page(struct i915_vma *vma)
-{
- GEM_BUG_ON(!vma->pages);
- return sg_page(vma->pages->sgl);
-}
-
#endif