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Commit 5f97fc0e authored by Roger He's avatar Roger He Committed by Alex Deucher
Browse files

drm/amd/amdgpu: set gtt size according to system memory size only 



Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarRoger He <Hongbo.He@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cebb52b7

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

+3 −5
Original line number Diff line number Diff line
@@ -1330,11 +1330,9 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) 
		struct sysinfo si;



		si_meminfo(&si);

		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 = max(AMDGPU_DEFAULT_GTT_SIZE_MB << 20,

			(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) {