diff mbox series

[v4,07/18] drm/i915/display/dp: Do not enable PSR if VRR is enabled

Message ID 20210113220935.4151-8-manasi.d.navare@intel.com (mailing list archive)
State New, archived
Headers show
Series VRR/Adaptive Sync Enabling on DP/eDP for TGL+ | expand

Commit Message

Navare, Manasi Jan. 13, 2021, 10:09 p.m. UTC 
Even though our HW supports PSR + VRR, the available panels
do not work reliably with PSR and VRR together. So if user
requested VRR and is supported by HW enable that and do not
enable PSR in that case.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index c24ae69426cf..a653543e4164 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -811,6 +811,13 @@  void intel_psr_compute_config(struct intel_dp *intel_dp,
 		&crtc_state->hw.adjusted_mode;
 	int psr_setup_time;
 
+	/*
+	 * Current PSR panels dont work reliably with VRR enabled
+	 * So if VRR is enabled, do not enable PSR.
+	 */
+	if (crtc_state->vrr.enable)
+		return;
+
 	if (!CAN_PSR(dev_priv))
 		return;