diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index b9ae6b02f304..4c25d9b2f138 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -20,6 +20,7 @@ #include "gem/i915_gem_ttm.h" #include "gem/i915_gem_ttm_move.h" #include "gem/i915_gem_ttm_pm.h" +#include "gt/intel_gpu_commands.h" #define I915_TTM_PRIO_PURGE 0 #define I915_TTM_PRIO_NO_PAGES 1 @@ -126,14 +127,22 @@ i915_ttm_select_tt_caching(const struct drm_i915_gem_object *obj) static void i915_ttm_place_from_region(const struct intel_memory_region *mr, struct ttm_place *place, + resource_size_t offset, + resource_size_t size, unsigned int flags) { memset(place, 0, sizeof(*place)); place->mem_type = intel_region_to_ttm_type(mr); + if (mr->type == INTEL_MEMORY_SYSTEM) + return; + if (flags & I915_BO_ALLOC_CONTIGUOUS) place->flags |= TTM_PL_FLAG_CONTIGUOUS; - if (mr->io_size && mr->io_size < mr->total) { + if (offset != I915_BO_INVALID_OFFSET) { + place->fpfn = offset >> PAGE_SHIFT; + place->lpfn = place->fpfn + (size >> PAGE_SHIFT); + } else if (mr->io_size && mr->io_size < mr->total) { if (flags & I915_BO_ALLOC_GPU_ONLY) { place->flags |= TTM_PL_FLAG_TOPDOWN; } else { @@ -155,12 +164,14 @@ i915_ttm_placement_from_obj(const struct drm_i915_gem_object *obj, placement->num_placement = 1; i915_ttm_place_from_region(num_allowed ? obj->mm.placements[0] : - obj->mm.region, requested, flags); + obj->mm.region, requested, obj->bo_offset, + obj->base.size, flags); /* Cache this on object? */ placement->num_busy_placement = num_allowed; for (i = 0; i < placement->num_busy_placement; ++i) - i915_ttm_place_from_region(obj->mm.placements[i], busy + i, flags); + i915_ttm_place_from_region(obj->mm.placements[i], busy + i, + obj->bo_offset, obj->base.size, flags); if (num_allowed == 0) { *busy = *requested; @@ -255,12 +266,33 @@ static const struct i915_refct_sgt_ops tt_rsgt_ops = { .release = i915_ttm_tt_release }; +static inline bool +i915_gem_object_needs_ccs_pages(struct drm_i915_gem_object *obj) +{ + bool lmem_placement = false; + int i; + + for (i = 0; i < obj->mm.n_placements; i++) { + /* Compression is not allowed for the objects with smem placement */ + if (obj->mm.placements[i]->type == INTEL_MEMORY_SYSTEM) + return false; + if (!lmem_placement && + obj->mm.placements[i]->type == INTEL_MEMORY_LOCAL) + lmem_placement = true; + } + + return lmem_placement; +} + static struct ttm_tt *i915_ttm_tt_create(struct ttm_buffer_object *bo, uint32_t page_flags) { + struct drm_i915_private *i915 = container_of(bo->bdev, typeof(*i915), + bdev); struct ttm_resource_manager *man = ttm_manager_type(bo->bdev, bo->resource->mem_type); struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo); + unsigned long ccs_pages = 0; enum ttm_caching caching; struct i915_ttm_tt *i915_tt; int ret; @@ -283,7 +315,12 @@ static struct ttm_tt *i915_ttm_tt_create(struct ttm_buffer_object *bo, i915_tt->is_shmem = true; } - ret = ttm_tt_init(&i915_tt->ttm, bo, page_flags, caching, 0); + if (HAS_FLAT_CCS(i915) && i915_gem_object_needs_ccs_pages(obj)) + ccs_pages = DIV_ROUND_UP(DIV_ROUND_UP(bo->base.size, + NUM_BYTES_PER_CCS_BYTE), + PAGE_SIZE); + + ret = ttm_tt_init(&i915_tt->ttm, bo, page_flags, caching, ccs_pages); if (ret) goto err_free; @@ -763,6 +800,7 @@ static int __i915_ttm_get_pages(struct drm_i915_gem_object *obj, i915_sg_dma_sizes(rsgt->table.sgl)); } + GEM_BUG_ON(bo->ttm && ((obj->base.size >> PAGE_SHIFT) < bo->ttm->num_pages)); i915_ttm_adjust_lru(obj); return ret; } @@ -802,7 +840,8 @@ static int __i915_ttm_migrate(struct drm_i915_gem_object *obj, struct ttm_placement placement; int ret; - i915_ttm_place_from_region(mr, &requested, flags); + i915_ttm_place_from_region(mr, &requested, obj->bo_offset, + obj->base.size, flags); placement.num_placement = 1; placement.num_busy_placement = 1; placement.placement = &requested; @@ -1142,6 +1181,7 @@ void i915_ttm_bo_destroy(struct ttm_buffer_object *bo) */ int __i915_gem_ttm_object_init(struct intel_memory_region *mem, struct drm_i915_gem_object *obj, + resource_size_t offset, resource_size_t size, resource_size_t page_size, unsigned int flags) @@ -1158,6 +1198,8 @@ int __i915_gem_ttm_object_init(struct intel_memory_region *mem, drm_gem_private_object_init(&i915->drm, &obj->base, size); i915_gem_object_init(obj, &i915_gem_ttm_obj_ops, &lock_class, flags); + obj->bo_offset = offset; + /* Don't put on a region list until we're either locked or fully initialized. */ obj->mm.region = mem; INIT_LIST_HEAD(&obj->mm.region_link); |