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drm/amd/display: Use PSP TA to read out crc

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[Why & How]
To read back crc by sending command READ_ROI_CRC to
PSP TA to ask it to read out crc of crc window.

Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wayne Lin
2021-03-02 13:21:07 +08:00
committed by Alex Deucher
parent 21cd403ec6
commit 9a65df1931
5 changed files with 240 additions and 7 deletions
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17
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1178,6 +1178,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
dc_init_callbacks(adev->dm.dc, &init_params);
}
#endif
#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
adev->dm.crc_rd_wrk = amdgpu_dm_crtc_secure_display_create_work();
#endif
if (amdgpu_dm_initialize_drm_device(adev)) {
DRM_ERROR(
@@ -1222,6 +1225,13 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
amdgpu_dm_destroy_drm_device(&adev->dm);
#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
if (adev->dm.crc_rd_wrk) {
flush_work(&adev->dm.crc_rd_wrk->notify_ta_work);
kfree(adev->dm.crc_rd_wrk);
adev->dm.crc_rd_wrk = NULL;
}
#endif
#ifdef CONFIG_DRM_AMD_DC_HDCP
if (adev->dm.hdcp_workqueue) {
hdcp_destroy(&adev->dev->kobj, adev->dm.hdcp_workqueue);
@@ -1887,6 +1897,9 @@ static int dm_suspend(void *handle)
return ret;
}
#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
amdgpu_dm_crtc_secure_display_suspend(adev);
#endif
WARN_ON(adev->dm.cached_state);
adev->dm.cached_state = drm_atomic_helper_suspend(adev_to_drm(adev));
@@ -2211,6 +2224,10 @@ static int dm_resume(void *handle)
dm->cached_state = NULL;
#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
amdgpu_dm_crtc_secure_display_resume(adev);
#endif
amdgpu_dm_irq_resume_late(adev);
amdgpu_dm_smu_write_watermarks_table(adev);