diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 96 |
1 files changed, 43 insertions, 53 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 406bcb03df48..98a77fc4a90c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -62,55 +62,49 @@ #define AMDGPU_TTM_VRAM_MAX_DW_READ (size_t)128 - -/** - * amdgpu_init_mem_type - Initialize a memory manager for a specific type of - * memory request. - * - * @bdev: The TTM BO device object (contains a reference to amdgpu_device) - * @type: The type of memory requested - * @man: The memory type manager for each domain - * - * This is called by ttm_bo_init_mm() when a buffer object is being - * initialized. - */ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, struct ttm_mem_type_manager *man) { - struct amdgpu_device *adev; + return 0; +} - adev = amdgpu_ttm_adev(bdev); +static int amdgpu_ttm_init_vram(struct amdgpu_device *adev) +{ - switch (type) { - case TTM_PL_SYSTEM: - /* System memory */ - break; - case TTM_PL_TT: - /* GTT memory */ - man->use_tt = true; - man->func = &amdgpu_gtt_mgr_func; - man->available_caching = TTM_PL_MASK_CACHING; - man->default_caching = TTM_PL_FLAG_CACHED; - break; - case TTM_PL_VRAM: - /* "On-card" video ram */ - man->func = &amdgpu_vram_mgr_func; - man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; - man->default_caching = TTM_PL_FLAG_WC; - break; - case AMDGPU_PL_GDS: - case AMDGPU_PL_GWS: - case AMDGPU_PL_OA: - /* On-chip GDS memory*/ - man->func = &ttm_bo_manager_func; - man->available_caching = TTM_PL_FLAG_UNCACHED; - man->default_caching = TTM_PL_FLAG_UNCACHED; - break; - default: - DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); - return -EINVAL; - } - return 0; + struct ttm_mem_type_manager *man = &adev->mman.bdev.man[TTM_PL_VRAM]; + + man->func = &amdgpu_vram_mgr_func; + man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; + man->default_caching = TTM_PL_FLAG_WC; + + return ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_VRAM, + adev->gmc.real_vram_size >> PAGE_SHIFT); +} + +static int amdgpu_ttm_init_gtt(struct amdgpu_device *adev, uint64_t gtt_size) +{ + struct ttm_mem_type_manager *man = &adev->mman.bdev.man[TTM_PL_TT]; + + man->use_tt = true; + man->func = &amdgpu_gtt_mgr_func; + man->available_caching = TTM_PL_MASK_CACHING; + man->default_caching = TTM_PL_FLAG_CACHED; + + return ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, + gtt_size >> PAGE_SHIFT); +} + +static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev, + unsigned int type, + uint64_t size) +{ + struct ttm_mem_type_manager *man = &adev->mman.bdev.man[type]; + + man->func = &ttm_bo_manager_func; + man->available_caching = TTM_PL_FLAG_UNCACHED; + man->default_caching = TTM_PL_FLAG_UNCACHED; + + return ttm_bo_init_mm(&adev->mman.bdev, type, size); } /** @@ -1896,8 +1890,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) adev->mman.bdev.no_retry = true; /* Initialize VRAM pool with all of VRAM divided into pages */ - r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_VRAM, - adev->gmc.real_vram_size >> PAGE_SHIFT); + r = amdgpu_ttm_init_vram(adev); if (r) { DRM_ERROR("Failed initializing VRAM heap.\n"); return r; @@ -1978,7 +1971,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) gtt_size = (uint64_t)amdgpu_gtt_size << 20; /* Initialize GTT memory pool */ - r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT); + r = amdgpu_ttm_init_gtt(adev, gtt_size); if (r) { DRM_ERROR("Failed initializing GTT heap.\n"); return r; @@ -1987,22 +1980,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) (unsigned)(gtt_size / (1024 * 1024))); /* Initialize various on-chip memory pools */ - r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_GDS, - adev->gds.gds_size); + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_GDS, adev->gds.gds_size); if (r) { DRM_ERROR("Failed initializing GDS heap.\n"); return r; } - r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_GWS, - adev->gds.gws_size); + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_GWS, adev->gds.gws_size); if (r) { DRM_ERROR("Failed initializing gws heap.\n"); return r; } - r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_OA, - adev->gds.oa_size); + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_OA, adev->gds.oa_size); if (r) { DRM_ERROR("Failed initializing oa heap.\n"); return r; |