Ideally, we want to enable immediate vblank disable, when possible and we should be able to do so on DCN35+, if PSR isn't supported by a given CRTC.
Suggested-by: Leo Li <[email protected]> Signed-off-by: Hamza Mahfooz <[email protected]> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 00d4c97e8d26..68442cb857fc 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8246,7 +8246,8 @@ static void manage_dm_interrupts(struct amdgpu_device *adev, if (amdgpu_ip_version(adev, DCE_HWIP, 0) < IP_VERSION(3, 5, 0)) { drm_crtc_vblank_on(&acrtc->base); - } else { + } else if (acrtc_state->stream->link->psr_settings.psr_version < + DC_PSR_VERSION_UNSUPPORTED) { timing = &acrtc_state->stream->timing; /* at least 2 frames */ @@ -8258,6 +8259,10 @@ static void manage_dm_interrupts(struct amdgpu_device *adev, config.offdelay_ms = offdelay ?: 30; drm_crtc_vblank_on_config(&acrtc->base, &config); + } else { + config.disable_immediate = true; + drm_crtc_vblank_on_config(&acrtc->base, + &config); } amdgpu_irq_get( -- 2.46.0
