diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0764-drm-amdgpu-improve-GTT-BO-alloc-speed-in-OGL.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0764-drm-amdgpu-improve-GTT-BO-alloc-speed-in-OGL.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0764-drm-amdgpu-improve-GTT-BO-alloc-speed-in-OGL.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0764-drm-amdgpu-improve-GTT-BO-alloc-speed-in-OGL.patch new file mode 100644 index 00000000..99224dd9 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0764-drm-amdgpu-improve-GTT-BO-alloc-speed-in-OGL.patch @@ -0,0 +1,53 @@ +From 2fffe8a779e81d0385d03270ee024bc3fbe1979a Mon Sep 17 00:00:00 2001 +From: "monk.liu" <monk.liu@amd.com> +Date: Thu, 22 Oct 2015 11:21:52 +0800 +Subject: [PATCH 0764/4131] drm/amdgpu: improve GTT BO alloc speed in OGL + +original we use ttm_dma path to allocate GTT bo, which is too much +slower than the path of ttm_pool, in most cases. + +Change-Id: I3f634d826139f4df074e68ec5fc0477b1c9126cc +Signed-off-by: monk.liu <Monk.Liu@amd.com> +Reviewed-by: Jammy Zhou <jammy.zhou@amd.com> + + Conflicts: + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 14 -------------- + 1 file changed, 14 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index 0d70747..9e15cc3 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -950,13 +950,6 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm) + goto trace_mappings; + } + +-#ifdef CONFIG_SWIOTLB +- if (swiotlb_nr_tbl()) { +- r = ttm_dma_populate(>t->ttm, adev->dev); +- goto trace_mappings; +- } +-#endif +- + r = ttm_populate_and_map_pages(adev->dev, >t->ttm); + trace_mappings: + if (likely(!r)) +@@ -983,13 +976,6 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) + + amdgpu_trace_dma_unmap(ttm); + +-#ifdef CONFIG_SWIOTLB +- if (swiotlb_nr_tbl()) { +- ttm_dma_unpopulate(>t->ttm, adev->dev); +- return; +- } +-#endif +- + ttm_unmap_and_unpopulate_pages(adev->dev, >t->ttm); + } + +-- +2.7.4 + |