diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0143-drm-amdgpu-hybrid-add-AMDGPU_GEM_CREATE_TOP_DOWN-fla.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0143-drm-amdgpu-hybrid-add-AMDGPU_GEM_CREATE_TOP_DOWN-fla.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0143-drm-amdgpu-hybrid-add-AMDGPU_GEM_CREATE_TOP_DOWN-fla.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0143-drm-amdgpu-hybrid-add-AMDGPU_GEM_CREATE_TOP_DOWN-fla.patch new file mode 100644 index 00000000..b7017d8d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0143-drm-amdgpu-hybrid-add-AMDGPU_GEM_CREATE_TOP_DOWN-fla.patch @@ -0,0 +1,59 @@ +From a574b1403145f0db90aa0a29a6661cfaf50d986f Mon Sep 17 00:00:00 2001 +From: Flora Cui <Flora.Cui@amd.com> +Date: Thu, 1 Sep 2016 12:33:01 +0800 +Subject: [PATCH 0143/2940] drm/amdgpu: [hybrid] add AMDGPU_GEM_CREATE_TOP_DOWN + flag + +so that the buffer could be allocated from the top of domain + +Change-Id: I7dc4ba02b78b18330c7fe00841970ab9cccbded5 +Signed-off-by: Flora Cui <Flora.Cui@amd.com> +Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> +Signed-off-by: Kalyan Alle <kalyan.alle@amd.com> + +Conflicts: + drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 5 ++++- + include/uapi/drm/amdgpu_drm.h | 2 ++ + 2 files changed, 6 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +index 800ae7ee42c3..e62c9601bb60 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +@@ -141,7 +141,7 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) + struct ttm_placement *placement = &abo->placement; + struct ttm_place *places = abo->placements; + u64 flags = abo->flags; +- u32 c = 0; ++ u32 c = 0, i; + + if (domain & AMDGPU_GEM_DOMAIN_VRAM) { + unsigned visible_pfn = adev->gmc.visible_vram_size >> PAGE_SHIFT; +@@ -218,6 +218,9 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) + + BUG_ON(c >= AMDGPU_BO_MAX_PLACEMENTS); + ++ for (i = 0; i < c; i++) ++ if (flags & AMDGPU_GEM_CREATE_TOP_DOWN) ++ places[i].flags |= TTM_PL_FLAG_TOPDOWN; + placement->num_placement = c; + placement->placement = places; + +diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h +index a2829eb514c3..baf299d3282d 100644 +--- a/include/uapi/drm/amdgpu_drm.h ++++ b/include/uapi/drm/amdgpu_drm.h +@@ -133,6 +133,8 @@ extern "C" { + #define AMDGPU_GEM_CREATE_MQD_GFX9 (1 << 8) + + /* hybrid specific */ ++/* Flag that the memory allocation should be from top of domain */ ++#define AMDGPU_GEM_CREATE_TOP_DOWN (1ULL << 30) + /* Flag that the memory allocation should be pinned */ + #define AMDGPU_GEM_CREATE_NO_EVICT (1ULL << 31) + +-- +2.17.1 + |