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author | jc_gargma <jc_gargma@iserlohn-fortress.net> | 2022-11-01 18:08:46 -0700 |
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committer | jc_gargma <jc_gargma@iserlohn-fortress.net> | 2022-11-01 18:08:46 -0700 |
commit | 790575ea74dd5d17a721bb1217b7b95d571139d0 (patch) | |
tree | 0c00120d51baf1f3afacb979e129f406d8856698 /0006-drm-amdgpu-Fix-VRAM-BO-swap-issue.patch | |
parent | Updated to 5.19.16 (diff) | |
download | linux-790575ea74dd5d17a721bb1217b7b95d571139d0.tar.xz |
Updated to 6.0.6
Diffstat (limited to '0006-drm-amdgpu-Fix-VRAM-BO-swap-issue.patch')
-rw-r--r-- | 0006-drm-amdgpu-Fix-VRAM-BO-swap-issue.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/0006-drm-amdgpu-Fix-VRAM-BO-swap-issue.patch b/0006-drm-amdgpu-Fix-VRAM-BO-swap-issue.patch new file mode 100644 index 0000000..f58574f --- /dev/null +++ b/0006-drm-amdgpu-Fix-VRAM-BO-swap-issue.patch @@ -0,0 +1,68 @@ +From f2712d9d94e98733953cf567f32f7755800464ae Mon Sep 17 00:00:00 2001 +From: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> +Date: Tue, 4 Oct 2022 07:33:39 -0700 +Subject: [PATCH 6/8] drm/amdgpu: Fix VRAM BO swap issue +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +DRM buddy manager allocates the contiguous memory requests in +a single block or multiple blocks. So for the ttm move operation +(incase of low vram memory) we should consider all the blocks to +compute the total memory size which compared with the struct +ttm_resource num_pages in order to verify that the blocks are +contiguous for the eviction process. + +v2: Added a Fixes tag +v3: Rewrite the code to save a bit of calculations and + variables (Christian) + +Fixes: c9cad937c0c5 ("drm/amdgpu: add drm buddy support to amdgpu") +Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 17 ++++++++++++----- + 1 file changed, 12 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index 134575a3893c..794062ab57fc 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -424,8 +424,9 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo, + static bool amdgpu_mem_visible(struct amdgpu_device *adev, + struct ttm_resource *mem) + { +- uint64_t mem_size = (u64)mem->num_pages << PAGE_SHIFT; ++ u64 mem_size = (u64)mem->num_pages << PAGE_SHIFT; + struct amdgpu_res_cursor cursor; ++ u64 end; + + if (mem->mem_type == TTM_PL_SYSTEM || + mem->mem_type == TTM_PL_TT) +@@ -434,12 +435,18 @@ static bool amdgpu_mem_visible(struct amdgpu_device *adev, + return false; + + amdgpu_res_first(mem, 0, mem_size, &cursor); ++ end = cursor.start + cursor.size; ++ while (cursor.remaining) { ++ amdgpu_res_next(&cursor, cursor.size); + +- /* ttm_resource_ioremap only supports contiguous memory */ +- if (cursor.size != mem_size) +- return false; ++ /* ttm_resource_ioremap only supports contiguous memory */ ++ if (end != cursor.start) ++ return false; ++ ++ end = cursor.start + cursor.size; ++ } + +- return cursor.start + cursor.size <= adev->gmc.visible_vram_size; ++ return end <= adev->gmc.visible_vram_size; + } + + /* +-- +2.38.1 + |