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authorAndrey Grodzovsky2017-12-15 18:09:16 +0100
committerAlex Deucher2017-12-18 17:53:24 +0100
commit24562523688bebc7ec17a88271b4e8c3fc337b74 (patch)
tree6870c7c1b5637960e8e9f26eb4f4607580554397 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentMAINTAINERS: add separate entry for DRM TTM v2 (diff)
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Revert "drm/amd/amdgpu: set gtt size according to system memory size only"
This reverts commit ba851eed895c76be0eb4260bdbeb7e26f9ccfaa2. With that change piglit max size tests (running with -t max.*size) are causing OOM and hard hang on my CZ with 1GB RAM. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 5b5554cba35f..f1b7d987bd57 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1424,9 +1424,11 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
struct sysinfo si;
si_meminfo(&si);
- gtt_size = max(AMDGPU_DEFAULT_GTT_SIZE_MB << 20,
- (uint64_t)si.totalram * si.mem_unit * 3/4);
- } else
+ gtt_size = min(max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size),
+ ((uint64_t)si.totalram * si.mem_unit * 3/4));
+ }
+ else
gtt_size = (uint64_t)amdgpu_gtt_size << 20;
r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT);
if (r) {