diff options
| -rw-r--r-- | src/intel/isl/isl_gen4.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/intel/isl/isl_gen4.c b/src/intel/isl/isl_gen4.c index 14706c895a5..a212d0ee0af 100644 --- a/src/intel/isl/isl_gen4.c +++ b/src/intel/isl/isl_gen4.c @@ -51,8 +51,15 @@ isl_gen4_filter_tiling(const struct isl_device *dev, /* From the g35 PRM Vol. 2, 3DSTATE_DEPTH_BUFFER::Tile Walk: * * "The Depth Buffer, if tiled, must use Y-Major tiling" + * + * Errata Description Project + * BWT014 The Depth Buffer Must be Tiled, it cannot be linear. This + * field must be set to 1 on DevBW-A. [DevBW -A,B] + * + * In testing, the linear configuration doesn't seem to work on gen4. */ - *flags &= (ISL_TILING_LINEAR_BIT | ISL_TILING_Y0_BIT); + *flags &= (ISL_DEV_GEN(dev) == 4 && !ISL_DEV_IS_G4X(dev)) ? + ISL_TILING_Y0_BIT : (ISL_TILING_Y0_BIT | ISL_TILING_LINEAR_BIT); } if (info->usage & (ISL_SURF_USAGE_DISPLAY_ROTATE_90_BIT | |