drm/i915: Restore lost glk FBC 16bpp w/a

We lost the FBC 16bpp 512byte stride requirement on glk when
we switched from display version 9 to 10. Restore the w/a to
avoid enabling FBC with a bad stride and thus display garbage.

Cc: Matt Roper <matthew.d.roper@intel.com>
Fixes: 2b5a4562ed ("drm/i915/display: Simplify GLK display version tests")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412054607.18133-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2021-04-12 08:46:03 +03:00 коммит произвёл Jani Nikula
Родитель 2446e1d643
Коммит 87b8c3bc8d
1 изменённых файлов: 1 добавлений и 1 удалений

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@ -598,7 +598,7 @@ static bool stride_is_valid(struct drm_i915_private *dev_priv,
return false;
/* Display WA #1105: skl,bxt,kbl,cfl,glk */
if (IS_DISPLAY_VER(dev_priv, 9) &&
if ((IS_DISPLAY_VER(dev_priv, 9) || IS_GEMINILAKE(dev_priv)) &&
modifier == DRM_FORMAT_MOD_LINEAR && stride & 511)
return false;