diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2024-06-18 11:34:38 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-25 21:13:12 +0300 |
| commit | 74fa02c4a5ea1ade5156a6ce494d3ea83881c2d8 (patch) | |
| tree | 7299eb6617d2714def954dcc5ef80db999285fb9 /drivers/gpu/drm | |
| parent | f6f49dda49db72e7a0b4ca32c77391d5ff5ce232 (diff) | |
| download | linux-74fa02c4a5ea1ade5156a6ce494d3ea83881c2d8.tar.xz | |
drm/amdgpu: Fix pci state save during mode-1 reset
Cache the PCI state before bus master is disabled. The saved state is
later used for other cases like restoring config space after mode-2
reset.
Fixes: 5c03e5843e6b ("drm/amdgpu:add smu mode1/2 support for aldebaran")
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 932dc93b2e63..33f791d92ddf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5220,11 +5220,14 @@ int amdgpu_device_mode1_reset(struct amdgpu_device *adev) dev_info(adev->dev, "GPU mode1 reset\n"); + /* Cache the state before bus master disable. The saved config space + * values are used in other cases like restore after mode-2 reset. + */ + amdgpu_device_cache_pci_state(adev->pdev); + /* disable BM */ pci_clear_master(adev->pdev); - amdgpu_device_cache_pci_state(adev->pdev); - if (amdgpu_dpm_is_mode1_reset_supported(adev)) { dev_info(adev->dev, "GPU smu mode1 reset\n"); ret = amdgpu_dpm_mode1_reset(adev); |