diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0777-drm-amdgpu-clear-wc-flag-in-direct-gma-domain.patch')
| -rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0777-drm-amdgpu-clear-wc-flag-in-direct-gma-domain.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0777-drm-amdgpu-clear-wc-flag-in-direct-gma-domain.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0777-drm-amdgpu-clear-wc-flag-in-direct-gma-domain.patch new file mode 100644 index 00000000..dec5e318 --- /dev/null +++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0777-drm-amdgpu-clear-wc-flag-in-direct-gma-domain.patch @@ -0,0 +1,44 @@ +From 53b588e2029a01f079512b3f50b9d411f86b9206 Mon Sep 17 00:00:00 2001 +From: Flora Cui <Flora.Cui@amd.com> +Date: Thu, 22 Sep 2016 10:37:14 +0800 +Subject: [PATCH 0777/4131] drm/amdgpu: clear wc flag in direct gma domain + +Change-Id: I5cd22621f2eab0ceb43b161bc8564c7ca6bb33a4 +Signed-off-by: Flora Cui <Flora.Cui@amd.com> +Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 +- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ++-- + 2 files changed, 3 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +index 1cee845..d8e1b7e 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +@@ -82,7 +82,7 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev, + if ((domain & AMDGPU_GEM_DOMAIN_DGMA) && amdgpu_direct_gma_size) { + places[c].fpfn = 0; + places[c].lpfn = 0; +- places[c].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | ++ places[c].flags = TTM_PL_FLAG_UNCACHED | + AMDGPU_PL_FLAG_DGMA | TTM_PL_FLAG_NO_EVICT; + c++; + } +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index 6cd35d3..39dfc3a 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -189,8 +189,8 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, + man->func = &ttm_bo_manager_func; + man->gpu_offset = amdgpu_bo_gpu_offset(adev->direct_gma.dgma_bo); + man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE; +- man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; +- man->default_caching = TTM_PL_FLAG_WC; ++ man->available_caching = TTM_PL_FLAG_UNCACHED; ++ man->default_caching = TTM_PL_FLAG_UNCACHED; + break; + case AMDGPU_PL_DGMA_IMPORT: + /* reserved GTT space for direct GMA */ +-- +2.7.4 + |