diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index fd54eb8f48264209e5df516e35f4805a000ceb78..2c88bdb8ff7cc89fd802a85d305827e8bfc0fca8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -631,6 +631,8 @@ struct drm_i915_gem_object { struct drm_mm_node *stolen; + resource_size_t bo_offset; + unsigned long scratch; u64 encode; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 5e543ed867a203ed210b50356e8ba5951b646f43..e4a06fcf741ad074ea4927c454db33370f1a31fd 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -126,6 +126,8 @@ 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)); @@ -133,7 +135,10 @@ i915_ttm_place_from_region(const struct intel_memory_region *mr, 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 +160,14 @@ 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; @@ -802,7 +809,8 @@ 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; @@ -1159,6 +1167,8 @@ 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); diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c index 129f668f21ff46b673a5d6c7f7587c954c3b217b..8e4e3f72c1ef9fd7fd16974a342c0efec753b6fa 100644 --- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c +++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c @@ -71,7 +71,8 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man, GEM_BUG_ON(min_page_size < mm->chunk_size); - if (place->flags & TTM_PL_FLAG_CONTIGUOUS) { + if (place->fpfn + bman_res->base.num_pages != place->lpfn && + place->flags & TTM_PL_FLAG_CONTIGUOUS) { unsigned long pages; size = roundup_pow_of_two(size); diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c b/drivers/gpu/drm/i915/intel_region_ttm.c index 737ef3f4ab54e6d251e13f9023c34b70d47a105d..62ff77445b01bafff4be69e17bc5c0a1d5f71e8b 100644 --- a/drivers/gpu/drm/i915/intel_region_ttm.c +++ b/drivers/gpu/drm/i915/intel_region_ttm.c @@ -12,6 +12,7 @@ #include "intel_region_ttm.h" +#include "gem/i915_gem_region.h" #include "gem/i915_gem_ttm.h" /* For the funcs/ops export only */ /** * DOC: TTM support structure @@ -191,6 +192,7 @@ intel_region_ttm_resource_to_rsgt(struct intel_memory_region *mem, */ struct ttm_resource * intel_region_ttm_resource_alloc(struct intel_memory_region *mem, + resource_size_t offset, resource_size_t size, unsigned int flags) { @@ -202,7 +204,10 @@ intel_region_ttm_resource_alloc(struct intel_memory_region *mem, if (flags & I915_BO_ALLOC_CONTIGUOUS) place.flags |= TTM_PL_FLAG_CONTIGUOUS; - if (mem->io_size && mem->io_size < mem->total) { + if (offset != I915_BO_INVALID_OFFSET) { + place.fpfn = offset >> PAGE_SHIFT; + place.lpfn = place.fpfn + (size >> PAGE_SHIFT); + } else if (mem->io_size && mem->io_size < mem->total) { if (flags & I915_BO_ALLOC_GPU_ONLY) { place.flags |= TTM_PL_FLAG_TOPDOWN; } else { diff --git a/drivers/gpu/drm/i915/intel_region_ttm.h b/drivers/gpu/drm/i915/intel_region_ttm.h index fdee5e7bd46caa30c2d8ee3f8048bbd6f38c06fd..cf9d86dcf409c7f9e55819fda62922bbe05a05ed 100644 --- a/drivers/gpu/drm/i915/intel_region_ttm.h +++ b/drivers/gpu/drm/i915/intel_region_ttm.h @@ -36,6 +36,7 @@ struct ttm_device_funcs *i915_ttm_driver(void); #ifdef CONFIG_DRM_I915_SELFTEST struct ttm_resource * intel_region_ttm_resource_alloc(struct intel_memory_region *mem, + resource_size_t offset, resource_size_t size, unsigned int flags); #endif diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c index f16c0b7198c73e00d562f8a904a15d32e44feffb..670557ce1024aa6203a0a864ca247f354bb1ed57 100644 --- a/drivers/gpu/drm/i915/selftests/mock_region.c +++ b/drivers/gpu/drm/i915/selftests/mock_region.c @@ -26,6 +26,7 @@ static int mock_region_get_pages(struct drm_i915_gem_object *obj) int err; obj->mm.res = intel_region_ttm_resource_alloc(obj->mm.region, + obj->bo_offset, obj->base.size, obj->flags); if (IS_ERR(obj->mm.res)) @@ -71,6 +72,8 @@ static int mock_object_init(struct intel_memory_region *mem, drm_gem_private_object_init(&i915->drm, &obj->base, size); i915_gem_object_init(obj, &mock_region_obj_ops, &lock_class, flags); + obj->bo_offset = offset; + obj->read_domains = I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT; i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);