diff options
| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-06-28 10:38:50 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 15:06:06 -0400 |
| commit | f1aa7e082e56f9c9ea8c0a6b7a0d538dcba9321d (patch) | |
| tree | 42a1d08194de4389f3e66c9422da21c066d3d0b3 /drivers | |
| parent | e013c91c06a547a1deae1e8268d6a32ee8ba7f8f (diff) | |
drm/amdgpu: stop/resume fb access when gpu reset V3
V2: Add wait_for_mc_idle after stopping fb access
V3:
1. Remove resume fb access since there is no need to
do that for gpu reset.
2. Move stop fb access to amdgpu_gpu_reset function,
since it's the same for all asics.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com> (V1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 153d0ca23ea3..660d04a9a9ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1969,6 +1969,13 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev) } retry: + /* Disable fb access */ + if (adev->mode_info.num_crtc) { + struct amdgpu_mode_mc_save save; + amdgpu_display_stop_mc_access(adev, &save); + amdgpu_wait_for_idle(adev, AMD_IP_BLOCK_TYPE_GMC); + } + r = amdgpu_asic_reset(adev); /* post card */ amdgpu_atom_asic_init(adev->mode_info.atom_context); |