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drm/i915/adl_p: Also disable underrun recovery with MSO

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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 <ville.syrjala@linux.intel.com>
Fixes: ba3b049f47 ("drm/i915/adl_p: Allow underrun recovery when possible")
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210816204112.2960624-1-matthew.d.roper@intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit c00e14cd4d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Matt Roper
2021-08-16 13:41:12 -07:00
committed by Jani Nikula
parent 37bf34e10c
commit 3070d934a0
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_display.c
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@@ -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;
}