diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_stolen.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index 7df50fd6cc7b..0bf8f61134af 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -14,7 +14,9 @@ #include "gem/i915_gem_region.h" #include "i915_drv.h" #include "i915_gem_stolen.h" +#include "i915_reg.h" #include "i915_vgpu.h" +#include "intel_mchbar_regs.h" /* * The BIOS typically reserves some of the system's memory for the exclusive @@ -71,7 +73,7 @@ void i915_gem_stolen_remove_node(struct drm_i915_private *i915, static int i915_adjust_stolen(struct drm_i915_private *i915, struct resource *dsm) { - struct i915_ggtt *ggtt = &i915->ggtt; + struct i915_ggtt *ggtt = to_gt(i915)->ggtt; struct intel_uncore *uncore = ggtt->vm.gt->uncore; struct resource *r; @@ -490,18 +492,22 @@ static int i915_gem_init_stolen(struct intel_memory_region *mem) /* Exclude the reserved region from driver use */ mem->region.end = reserved_base - 1; + mem->io_size = resource_size(&mem->region); /* It is possible for the reserved area to end before the end of stolen * memory, so just consider the start. */ reserved_total = stolen_top - reserved_base; + i915->stolen_usable_size = + resource_size(&i915->dsm) - reserved_total; + drm_dbg(&i915->drm, "Memory reserved for graphics device: %lluK, usable: %lluK\n", (u64)resource_size(&i915->dsm) >> 10, - ((u64)resource_size(&i915->dsm) - reserved_total) >> 10); + (u64)i915->stolen_usable_size >> 10); - i915->stolen_usable_size = - resource_size(&i915->dsm) - reserved_total; + if (i915->stolen_usable_size == 0) + return 0; /* Basic memrange allocator for stolen space. */ drm_mm_init(&i915->mm.stolen, 0, i915->stolen_usable_size); @@ -582,6 +588,7 @@ i915_pages_create_for_stolen(struct drm_device *dev, static int i915_gem_object_get_pages_stolen(struct drm_i915_gem_object *obj) { + struct drm_i915_private *i915 = to_i915(obj->base.dev); struct sg_table *pages = i915_pages_create_for_stolen(obj->base.dev, obj->stolen->start, @@ -589,7 +596,7 @@ static int i915_gem_object_get_pages_stolen(struct drm_i915_gem_object *obj) if (IS_ERR(pages)) return PTR_ERR(pages); - dbg_poison(&to_i915(obj->base.dev)->ggtt, + dbg_poison(to_gt(i915)->ggtt, sg_dma_address(pages->sgl), sg_dma_len(pages->sgl), POISON_INUSE); @@ -602,9 +609,10 @@ static int i915_gem_object_get_pages_stolen(struct drm_i915_gem_object *obj) static void i915_gem_object_put_pages_stolen(struct drm_i915_gem_object *obj, struct sg_table *pages) { + struct drm_i915_private *i915 = to_i915(obj->base.dev); /* Should only be called from i915_gem_object_release_stolen() */ - dbg_poison(&to_i915(obj->base.dev)->ggtt, + dbg_poison(to_gt(i915)->ggtt, sg_dma_address(pages->sgl), sg_dma_len(pages->sgl), POISON_FREE); @@ -744,7 +752,7 @@ static int init_stolen_lmem(struct intel_memory_region *mem) if (!io_mapping_init_wc(&mem->iomap, mem->io_start, - resource_size(&mem->region))) + mem->io_size)) return -EIO; /* @@ -799,7 +807,8 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type, I915_GTT_PAGE_SIZE_4K; mem = intel_memory_region_create(i915, lmem_base, lmem_size, - min_page_size, io_start, + min_page_size, + io_start, lmem_size, type, instance, &i915_region_stolen_lmem_ops); if (IS_ERR(mem)) @@ -830,7 +839,7 @@ i915_gem_stolen_smem_setup(struct drm_i915_private *i915, u16 type, mem = intel_memory_region_create(i915, intel_graphics_stolen_res.start, resource_size(&intel_graphics_stolen_res), - PAGE_SIZE, 0, type, instance, + PAGE_SIZE, 0, 0, type, instance, &i915_region_stolen_smem_ops); if (IS_ERR(mem)) return mem; |