diff options
| author | Jason Ekstrand <[email protected]> | 2016-06-06 18:22:21 -0700 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2016-06-22 12:26:43 -0700 |
| commit | 96706bad5ff37e56ee48f9bbb143d39a6e113a62 (patch) | |
| tree | 5b7f87b89d12711a70e0f180052a0557091bf458 /src/intel/isl/isl_surface_state.c | |
| parent | 14d7c16e50f88720fa27722522d4ff89972a4f9d (diff) | |
isl/state: Emit no-op mip tail setup on SKL
This hasn't ever been a problem in the past but it is recommended by the
hardware docs.
Reviewed-by: Chad Versace <[email protected]>
Cc: "12.0" <[email protected]>
Diffstat (limited to 'src/intel/isl/isl_surface_state.c')
| -rw-r--r-- | src/intel/isl/isl_surface_state.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c index 5e512ac0c4a..f64d96ca059 100644 --- a/src/intel/isl/isl_surface_state.c +++ b/src/intel/isl/isl_surface_state.c @@ -292,6 +292,14 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state, s.MIPCountLOD = MAX(info->view->levels, 1) - 1; } +#if GEN_GEN >= 9 + /* We don't use miptails yet. The PRM recommends that you set "Mip Tail + * Start LOD" to 15 to prevent the hardware from trying to use them. + */ + s.TiledResourceMode = NONE; + s.MipTailStartLOD = 15; +#endif + const struct isl_extent3d image_align = get_image_alignment(info->surf); s.SurfaceVerticalAlignment = isl_to_gen_valign[image_align.height]; s.SurfaceHorizontalAlignment = isl_to_gen_halign[image_align.width]; |