From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
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@xxxxxxxxx>
Fixes: 2b5a4562edd0 ("drm/i915/display: Simplify GLK display version tests")
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_fbc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 04d9c7d22b04..dcc0f73ea225 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -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;
--
2.26.3
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