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drm/amd/display: For vblank_disable_immediate, check PSR is really used

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Even if PSR is allowed for a present GPU, there might be no eDP link
which supports PSR.

Fixes: 7089784873 ("drm/amdgpu/display: Only set vblank_disable_immediate when PSR is not enabled")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2022-02-15 19:53:37 +01:00 committed by Alex Deucher
parent e3f3824874
commit 4d22336f90
1 changed files with 9 additions and 8 deletions
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17
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -4256,6 +4256,9 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
}
#endif
/* Disable vblank IRQs aggressively for power-saving. */
adev_to_drm(adev)->vblank_disable_immediate = true;
/* loops over all connectors on the board */
for (i = 0; i < link_cnt; i++) {
struct dc_link *link = NULL;
@ -4301,19 +4304,17 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
update_connector_ext_caps(aconnector);
if (psr_feature_enabled)
amdgpu_dm_set_psr_caps(link);
/* TODO: Fix vblank control helpers to delay PSR entry to allow this when
* PSR is also supported.
*/
if (link->psr_settings.psr_feature_enabled)
adev_to_drm(adev)->vblank_disable_immediate = false;
}
}
/*
* Disable vblank IRQs aggressively for power-saving.
*
* TODO: Fix vblank control helpers to delay PSR entry to allow this when PSR
* is also supported.
*/
adev_to_drm(adev)->vblank_disable_immediate = !psr_feature_enabled;
/* Software is initialized. Now we can register interrupt handlers. */
switch (adev->asic_type) {
#if defined(CONFIG_DRM_AMD_DC_SI)