From: Andrey Grodzovsky Date: Fri, 15 Dec 2017 17:09:16 +0000 (-0500) Subject: Revert "drm/amd/amdgpu: set gtt size according to system memory size only" X-Git-Tag: android-x86-8.1-r1~1677^2~23^2~46 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=24562523688bebc7ec17a88271b4e8c3fc337b74;p=android-x86%2Fkernel.git 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 Acked-by: Alex Deucher Reviewed-by: Christian König Reviewed-by: Roger He Signed-off-by: Alex Deucher --- 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) {