diff options
| author | Xiaomeng Hou <Xiaomeng.Hou@amd.com> | 2021-04-06 09:33:16 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-04 16:03:24 -0400 |
| commit | b3accd6f6642699cc50bcf9a43d4c5f878f23eee (patch) | |
| tree | 127562335a37d4098be3de7b46d9b7c6da7bc59e /drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | |
| parent | 9df5b9bd8b69d27c007ed67ca2cf8495e8f848ae (diff) | |
| download | linux-b3accd6f6642699cc50bcf9a43d4c5f878f23eee.tar.bz2 | |
drm/amdgpu: add gpu harvest support for yellow carp (v2)
Register callback in gfxhub functions to program the bypass groups in
gc_utcl2 corresponding to harvested SA.
v2: update comments (Alex)
Signed-off-by: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 439513ed0dd3..4523df2785d6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -1059,6 +1059,13 @@ static int gmc_v10_0_hw_init(void *handle) /* The sequence of these two function calls matters.*/ gmc_v10_0_init_golden_registers(adev); + /* + * harvestable groups in gc_utcl2 need to be programmed before any GFX block + * register setup within GMC, or else system hang when harvesting SA. + */ + if (adev->gfxhub.funcs && adev->gfxhub.funcs->utcl2_harvest) + adev->gfxhub.funcs->utcl2_harvest(adev); + r = gmc_v10_0_gart_enable(adev); if (r) return r; |