diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index c6afa10e814c..7194f9bc62c5 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -564,7 +564,7 @@ void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv) } static bool stride_is_valid(struct drm_i915_private *dev_priv, - unsigned int stride) + u64 modifier, unsigned int stride) { /* This should have been caught earlier. */ if (drm_WARN_ON_ONCE(&dev_priv->drm, (stride & (64 - 1)) != 0)) @@ -580,6 +580,11 @@ static bool stride_is_valid(struct drm_i915_private *dev_priv, if (IS_GEN(dev_priv, 4) && !IS_G4X(dev_priv) && stride < 2048) return false; + /* Display WA #1105: skl,bxt,kbl,cfl,glk */ + if (IS_GEN(dev_priv, 9) && + modifier == DRM_FORMAT_MOD_LINEAR && stride & 511) + return false; + if (stride > 16384) return false; @@ -810,7 +815,7 @@ static bool intel_fbc_can_activate(struct intel_crtc *crtc) return false; } - if (!stride_is_valid(dev_priv, cache->fb.stride)) { + if (!stride_is_valid(dev_priv, cache->fb.modifier, cache->fb.stride)) { fbc->no_fbc_reason = "framebuffer stride not supported"; return false; } |