diff options
author | Huang Rui <ray.huang@amd.com> | 2017-05-31 10:35:42 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2017-06-06 16:59:30 -0400 |
commit | 916910ad916a5c63dcd724a557bab092abdb9e7b (patch) | |
tree | 21dbd68c9b48a82917ff6b57901f39e7eb059884 /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
parent | a0bae3577f46f6b61ccfa4cb0772fd804be1de96 (diff) |
drm/amdgpu: fix the gart table cleared issue for S3
Something writes over the first 8 MB so reserve this
on vega10 until we root cause it.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 4ab8338befd5..6b1fb7dcfce6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -572,6 +572,12 @@ static int gmc_v9_0_sw_init(void *handle) */ adev->mc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ + /* + * It needs to reserve 8M stolen memory for vega10 + * TODO: Figure out how to avoid that... + */ + adev->mc.stolen_size = 8 * 1024 * 1024; + /* set DMA mask + need_dma32 flags. * PCIE - can handle 44-bits. * IGP - can handle 44-bits |