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drm/amdgpu: Add early fini callback

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Use it to call disply code dependent on device->drv_data
before it's set to NULL on device unplug

v5:
Move HW finilization into this callback to prevent MMIO accesses
post cpi remove.

v7:
Split kfd suspend from device exit to expdite HW related
stuff to amdgpu_pci_remove

v8:
Squash previous KFD commit into this commit to avoid compile break.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210520032057.497334-1-andrey.grodzovsky@amd.com
This commit is contained in:
Andrey Grodzovsky
2021-05-19 23:20:57 -04:00
parent 72c8c97b15
commit e9669fb782
6 changed files with 54 additions and 24 deletions
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12
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1251,6 +1251,15 @@ error:
return -EINVAL;
}
static int amdgpu_dm_early_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
amdgpu_dm_audio_fini(adev);
return 0;
}
static void amdgpu_dm_fini(struct amdgpu_device *adev)
{
int i;
@@ -1259,8 +1268,6 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
drm_encoder_cleanup(&adev->dm.mst_encoders[i].base);
}
amdgpu_dm_audio_fini(adev);
amdgpu_dm_destroy_drm_device(&adev->dm);
#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
@@ -2298,6 +2305,7 @@ static const struct amd_ip_funcs amdgpu_dm_funcs = {
.late_init = dm_late_init,
.sw_init = dm_sw_init,
.sw_fini = dm_sw_fini,
.early_fini = amdgpu_dm_early_fini,
.hw_init = dm_hw_init,
.hw_fini = dm_hw_fini,
.suspend = dm_suspend,