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path: root/drivers/gpu/drm/i915/i915_vma.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma.h')
-rw-r--r--drivers/gpu/drm/i915/i915_vma.h84
1 files changed, 43 insertions, 41 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index e49b199f7de7..858908e3d1cc 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -96,25 +96,28 @@ struct i915_vma {
* exclusive cachelines of a single page, so a maximum of 64 possible
* users.
*/
-#define I915_VMA_PIN_MASK 0xff
-#define I915_VMA_PIN_OVERFLOW_BIT 8
-#define I915_VMA_PIN_OVERFLOW ((int)BIT(I915_VMA_PIN_OVERFLOW_BIT))
+#define I915_VMA_PIN_MASK 0x3ff
+#define I915_VMA_OVERFLOW 0x200
/** Flags and address space this VMA is bound to */
-#define I915_VMA_GLOBAL_BIND_BIT 9
-#define I915_VMA_LOCAL_BIND_BIT 10
+#define I915_VMA_GLOBAL_BIND_BIT 10
+#define I915_VMA_LOCAL_BIND_BIT 11
#define I915_VMA_GLOBAL_BIND ((int)BIT(I915_VMA_GLOBAL_BIND_BIT))
#define I915_VMA_LOCAL_BIND ((int)BIT(I915_VMA_LOCAL_BIND_BIT))
-#define I915_VMA_BIND_MASK (I915_VMA_GLOBAL_BIND | \
- I915_VMA_LOCAL_BIND | \
- I915_VMA_PIN_OVERFLOW)
+#define I915_VMA_BIND_MASK (I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND)
-#define I915_VMA_GGTT_BIT 11
-#define I915_VMA_CAN_FENCE_BIT 12
-#define I915_VMA_USERFAULT_BIT 13
-#define I915_VMA_GGTT_WRITE_BIT 14
+#define I915_VMA_ALLOC_BIT 12
+#define I915_VMA_ALLOC ((int)BIT(I915_VMA_ALLOC_BIT))
+
+#define I915_VMA_ERROR_BIT 13
+#define I915_VMA_ERROR ((int)BIT(I915_VMA_ERROR_BIT))
+
+#define I915_VMA_GGTT_BIT 14
+#define I915_VMA_CAN_FENCE_BIT 15
+#define I915_VMA_USERFAULT_BIT 16
+#define I915_VMA_GGTT_WRITE_BIT 17
#define I915_VMA_GGTT ((int)BIT(I915_VMA_GGTT_BIT))
#define I915_VMA_CAN_FENCE ((int)BIT(I915_VMA_CAN_FENCE_BIT))
@@ -123,6 +126,11 @@ struct i915_vma {
struct i915_active active;
+#define I915_VMA_PAGES_BIAS 24
+#define I915_VMA_PAGES_ACTIVE (BIT(24) | 1)
+ atomic_t pages_count; /* number of active binds to the pages */
+ struct mutex pages_mutex; /* protect acquire/release of backing pages */
+
/**
* Support different GGTT views into the same object.
* This means there can be multiple VMA mappings per object and per VM.
@@ -169,6 +177,8 @@ static inline bool i915_vma_is_active(const struct i915_vma *vma)
return !i915_active_is_idle(&vma->active);
}
+int __must_check __i915_vma_move_to_active(struct i915_vma *vma,
+ struct i915_request *rq);
int __must_check i915_vma_move_to_active(struct i915_vma *vma,
struct i915_request *rq,
unsigned int flags);
@@ -307,13 +317,18 @@ i915_vma_compare(struct i915_vma *vma,
return memcmp(&vma->ggtt_view.partial, &view->partial, view->type);
}
-int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
- u32 flags);
+struct i915_vma_work *i915_vma_work(void);
+int i915_vma_bind(struct i915_vma *vma,
+ enum i915_cache_level cache_level,
+ u32 flags,
+ struct i915_vma_work *work);
+
bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long color);
bool i915_vma_misplaced(const struct i915_vma *vma,
u64 size, u64 alignment, u64 flags);
void __i915_vma_set_map_and_fenceable(struct i915_vma *vma);
void i915_vma_revoke_mmap(struct i915_vma *vma);
+int __i915_vma_unbind(struct i915_vma *vma);
int __must_check i915_vma_unbind(struct i915_vma *vma);
void i915_vma_unlink_ctx(struct i915_vma *vma);
void i915_vma_close(struct i915_vma *vma);
@@ -332,26 +347,8 @@ static inline void i915_vma_unlock(struct i915_vma *vma)
dma_resv_unlock(vma->resv);
}
-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(((atomic_inc_return(&vma->flags) ^ flags) & I915_VMA_BIND_MASK) == 0)) {
- GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
- GEM_BUG_ON(i915_vma_misplaced(vma, size, alignment, flags));
- return 0;
- }
-
- return __i915_vma_do_pin(vma, size, alignment, flags);
-}
+int __must_check
+i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags);
static inline int i915_vma_pin_count(const struct i915_vma *vma)
{
@@ -366,17 +363,17 @@ static inline bool i915_vma_is_pinned(const struct i915_vma *vma)
static inline void __i915_vma_pin(struct i915_vma *vma)
{
atomic_inc(&vma->flags);
- GEM_BUG_ON(atomic_read(&vma->flags) & I915_VMA_PIN_OVERFLOW);
+ GEM_BUG_ON(!i915_vma_is_pinned(vma));
}
static inline void __i915_vma_unpin(struct i915_vma *vma)
{
+ GEM_BUG_ON(!i915_vma_is_pinned(vma));
atomic_dec(&vma->flags);
}
static inline void i915_vma_unpin(struct i915_vma *vma)
{
- GEM_BUG_ON(!i915_vma_is_pinned(vma));
GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
__i915_vma_unpin(vma);
}
@@ -402,8 +399,6 @@ static inline bool i915_node_color_differs(const struct drm_mm_node *node,
* 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);
@@ -415,8 +410,8 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma);
*
* 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().
+ * This function is only valid to be called on a VMA previously
+ * iomapped by the caller with i915_vma_pin_iomap().
*/
void i915_vma_unpin_iomap(struct i915_vma *vma);
@@ -444,6 +439,8 @@ static inline struct page *i915_vma_first_page(struct i915_vma *vma)
int __must_check i915_vma_pin_fence(struct i915_vma *vma);
int __must_check i915_vma_revoke_fence(struct i915_vma *vma);
+int __i915_vma_pin_fence(struct i915_vma *vma);
+
static inline void __i915_vma_unpin_fence(struct i915_vma *vma)
{
GEM_BUG_ON(atomic_read(&vma->fence->pin_count) <= 0);
@@ -461,7 +458,6 @@ static inline void __i915_vma_unpin_fence(struct i915_vma *vma)
static inline void
i915_vma_unpin_fence(struct i915_vma *vma)
{
- /* lockdep_assert_held(&vma->vm->i915->drm.struct_mutex); */
if (vma->fence)
__i915_vma_unpin_fence(vma);
}
@@ -490,4 +486,10 @@ struct i915_vma *i915_vma_make_unshrinkable(struct i915_vma *vma);
void i915_vma_make_shrinkable(struct i915_vma *vma);
void i915_vma_make_purgeable(struct i915_vma *vma);
+static inline int i915_vma_sync(struct i915_vma *vma)
+{
+ /* Wait for the asynchronous bindings and pending GPU reads */
+ return i915_active_wait(&vma->active);
+}
+
#endif
generated by cgit (git 2.34.1) at 2024-06-19 01:10:23 +0000