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

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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>
Link: https://patchwork.freedesktop.org/patch/msgid/20210122232647.22688-7-manasi.d.navare@intel.com
This commit is contained in:
Manasi Navare 2021-01-22 15:26:36 -08:00
parent 117cd09ba5
commit 38ff8d2824
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/i915/display/intel_psr.c
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@ -812,6 +812,13 @@ 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;