diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gtt.h | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.h b/drivers/gpu/drm/i915/gt/intel_gtt.h index a40d928b3888..e639434e97fd 100644 --- a/drivers/gpu/drm/i915/gt/intel_gtt.h +++ b/drivers/gpu/drm/i915/gt/intel_gtt.h @@ -306,6 +306,15 @@ struct i915_address_space { struct i915_vma_resource *vma_res, enum i915_cache_level cache_level, u32 flags); + void (*raw_insert_page)(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level cache_level, + u32 flags); + void (*raw_insert_entries)(struct i915_address_space *vm, + struct i915_vma_resource *vma_res, + enum i915_cache_level cache_level, + u32 flags); void (*cleanup)(struct i915_address_space *vm); void (*foreach)(struct i915_address_space *vm, @@ -345,6 +354,19 @@ struct i915_ggtt { bool do_idle_maps; + /** + * @pte_lost: Are ptes lost on resume? + * + * Whether the system was recently restored from hibernate and + * thus may have lost pte content. + */ + bool pte_lost; + + /** + * @probed_pte: Probed pte value on suspend. Re-checked on resume. + */ + u64 probed_pte; + int mtrr; /** Bit 6 swizzling required for X tiling */ @@ -548,14 +570,13 @@ i915_page_dir_dma_addr(const struct i915_ppgtt *ppgtt, const unsigned int n) void ppgtt_init(struct i915_ppgtt *ppgtt, struct intel_gt *gt, unsigned long lmem_pt_obj_flags); - void intel_ggtt_bind_vma(struct i915_address_space *vm, - struct i915_vm_pt_stash *stash, - struct i915_vma_resource *vma_res, - enum i915_cache_level cache_level, - u32 flags); + struct i915_vm_pt_stash *stash, + struct i915_vma_resource *vma_res, + enum i915_cache_level cache_level, + u32 flags); void intel_ggtt_unbind_vma(struct i915_address_space *vm, - struct i915_vma_resource *vma_res); + struct i915_vma_resource *vma_res); int i915_ggtt_probe_hw(struct drm_i915_private *i915); int i915_ggtt_init_hw(struct drm_i915_private *i915); @@ -581,6 +602,17 @@ bool i915_ggtt_resume_vm(struct i915_address_space *vm); void i915_ggtt_suspend(struct i915_ggtt *gtt); void i915_ggtt_resume(struct i915_ggtt *ggtt); +/** + * i915_ggtt_mark_pte_lost - Mark ggtt ptes as lost or clear such a marking + * @i915 The device private. + * @val whether the ptes should be marked as lost. + * + * In some cases pte content is retained across suspend, but typically lost + * across hibernate. Typically they should be marked as lost on + * hibernation restore and such marking cleared on suspend. + */ +void i915_ggtt_mark_pte_lost(struct drm_i915_private *i915, bool val); + void fill_page_dma(struct drm_i915_gem_object *p, const u64 val, unsigned int count); @@ -627,7 +659,6 @@ release_pd_entry(struct i915_page_directory * const pd, struct i915_page_table * const pt, const struct drm_i915_gem_object * const scratch); void gen6_ggtt_invalidate(struct i915_ggtt *ggtt); -void gen8_ggtt_invalidate(struct i915_ggtt *ggtt); void ppgtt_bind_vma(struct i915_address_space *vm, struct i915_vm_pt_stash *stash, |