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[4/4] drm/i915/display/dp: Do not enable PSR if VRR is enabled

Message ID 20200826190657.18283-4-manasi.d.navare@intel.com (mailing list archive)
State New, archived
Headers show
Series [1/4] drm/i915/display/dp: Attach and set drm connector VRR property | expand

Commit Message

Navare, Manasi Aug. 26, 2020, 7:06 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>
---
 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 2b004ee9619c..f37d17569009 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;