[PATCH 07/10] drm/i915/psr: Allow PSR for fixed refrsh rate with VRR TG

Ankit Nautiyal ankit.k.nautiyal at intel.com
Tue Jul 9 03:26:48 UTC 2024


At the moment PSR/PSR2 are not supported with variable refresh rate.
However it can be supported with fixed refresh rate while running with
VRR timing generator.
Enable PSR for fixed refresh rate when using the VRR timing generator.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 9cb1cdaaeefa..5a228d8e93b5 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1523,7 +1523,7 @@ static bool _psr_compute_config(struct intel_dp *intel_dp,
 	 * Current PSR panels don't work reliably with VRR enabled
 	 * So if VRR is enabled, do not enable PSR.
 	 */
-	if (crtc_state->vrr.enable)
+	if (crtc_state->vrr.enable && !crtc_state->vrr.fixed_rr)
 		return false;
 
 	if (!CAN_PSR(intel_dp))
-- 
2.40.1



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