diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0800-drm-amdgpu-refactor-direct-gma-bus-addr-calc.patch')
-rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0800-drm-amdgpu-refactor-direct-gma-bus-addr-calc.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0800-drm-amdgpu-refactor-direct-gma-bus-addr-calc.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0800-drm-amdgpu-refactor-direct-gma-bus-addr-calc.patch new file mode 100644 index 00000000..c1b21188 --- /dev/null +++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0800-drm-amdgpu-refactor-direct-gma-bus-addr-calc.patch @@ -0,0 +1,49 @@ +From 9258dbb0db3025c3c38bb02f423808f91b3fb6b1 Mon Sep 17 00:00:00 2001 +From: Flora Cui <Flora.Cui@amd.com> +Date: Wed, 19 Apr 2017 17:50:40 +0800 +Subject: [PATCH 0800/4131] drm/amdgpu: refactor direct gma bus addr calc + +Change-Id: I32e30cb73a5a45ef084fcd6214944e0e85de1cad +Signed-off-by: Flora Cui <Flora.Cui@amd.com> +Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 22 ++++++++++------------ + 1 file changed, 10 insertions(+), 12 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index 42d6512..9512f27 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -588,19 +588,17 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_ + break; + case TTM_PL_VRAM: + case AMDGPU_PL_DGMA: ++ mem->bus.offset = (mem->start << PAGE_SHIFT) + man->gpu_offset - ++ adev->mc.vram_start; ++ /* check if it's visible */ ++ if ((mem->bus.offset + mem->bus.size) > adev->mc.visible_vram_size) ++ return -EINVAL; ++ mem->bus.base = adev->mc.aper_base; ++ mem->bus.is_iomem = true; ++ break; + case AMDGPU_PL_DGMA_IMPORT: +- if (mem->mem_type != AMDGPU_PL_DGMA_IMPORT) { +- mem->bus.offset = (mem->start << PAGE_SHIFT) + man->gpu_offset - +- adev->mc.vram_start; +- /* check if it's visible */ +- if ((mem->bus.offset + mem->bus.size) > adev->mc.visible_vram_size) +- return -EINVAL; +- mem->bus.base = adev->mc.aper_base; +- } else { +- mem->bus.offset = backup.bus.offset; +- mem->bus.base = backup.bus.base; +- } +- ++ mem->bus.offset = backup.bus.offset; ++ mem->bus.base = backup.bus.base; + mem->bus.is_iomem = true; + break; + default: +-- +2.7.4 + |