diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2d78bd75c153..ccdbeb2dbd28 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2519,6 +2519,19 @@ static u32 intel_fb_max_stride(struct drm_i915_private *dev_priv, u32 pixel_format, u64 modifier) { + /* + * Arbitrary limit for gen4+ chosen to match the + * render engine max stride. + * + * The new CCS hash mode makes remapping impossible + */ + if (!is_ccs_modifier(modifier)) { + if (INTEL_GEN(dev_priv) >= 7) + return 256*1024; + else if (INTEL_GEN(dev_priv) >= 4) + return 128*1024; + } + return intel_plane_fb_max_stride(dev_priv, pixel_format, modifier); } |