One of the cases that the bspec lists for when underrun recovery must be disabled is "COG;" that note actually refers to eDP multi-segmented operation (MSO). Let's ensure the this additional restriction is honored by the driver.
Bspec: 50351 Cc: Ville Syrjälä <[email protected]> Fixes: ba3b049f4774 ("drm/i915/adl_p: Allow underrun recovery when possible") Signed-off-by: Matt Roper <[email protected]> --- drivers/gpu/drm/i915/display/intel_display.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index a257e5dc381c..134a6acbd8fb 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2226,6 +2226,9 @@ static bool underrun_recovery_supported(const struct intel_crtc_state *crtc_stat if (crtc_state->has_psr2) return false; + if (crtc_state->splitter.enable) + return false; + return true; } -- 2.25.4
