diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2025-06-02 04:44:30 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-06-18 19:19:18 +0300 |
| commit | 64c3e4a868f1ddde8eee2bb038a2ed0e8f06a247 (patch) | |
| tree | 8653b3ddd1082caab53f50b515e1de1ed39014f3 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | dd3999b658e4c15dea5feda5bf3f8ff6b1a31d2f (diff) | |
| download | linux-64c3e4a868f1ddde8eee2bb038a2ed0e8f06a247.tar.xz | |
drm/amd: Add support for a complete pmops action
complete() callbacks are supposed to handle reversing anything
that occurred during prepare() callbacks. They'll be called on every
power state transition, and will also be called if the sequence is
failed (such as an aborted suspend).
Add support for IP blocks to support this action.
Reviewed-by: Alex Hung <alex.hung@amd.com>
Link: https://lore.kernel.org/r/20250602014432.3538345-2-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index b16f7c4beb22..d9b1bd97491f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5041,6 +5041,28 @@ int amdgpu_device_prepare(struct drm_device *dev) } /** + * amdgpu_device_complete - complete power state transition + * + * @dev: drm dev pointer + * + * Undo the changes from amdgpu_device_prepare. This will be + * called on all resume transitions, including those that failed. + */ +void amdgpu_device_complete(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + int i; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid) + continue; + if (!adev->ip_blocks[i].version->funcs->complete) + continue; + adev->ip_blocks[i].version->funcs->complete(&adev->ip_blocks[i]); + } +} + +/** * amdgpu_device_suspend - initiate device suspend * * @dev: drm dev pointer |