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| author | Kenneth Graunke | 2015-01-11 03:02:22 +0100 |
|---|---|---|
| committer | Daniel Vetter | 2015-01-13 00:16:53 +0100 |
| commit | d60de81da48aa25b06a015b839906243710e7253 (patch) | |
| tree | a031d13bfc72e85b0bbf1f4e3222b5fd9c52f98f /drivers/gpu/drm/i915/i915_reg.h | |
| parent | drm/i915: Reset CSB read pointer in ring init (diff) | |
| download | kernel-qcow2-linux-d60de81da48aa25b06a015b839906243710e7253.tar.gz kernel-qcow2-linux-d60de81da48aa25b06a015b839906243710e7253.tar.xz kernel-qcow2-linux-d60de81da48aa25b06a015b839906243710e7253.zip | |
drm/i915: Improve HiZ throughput on Cherryview.
Found by reading the HIZ_CHICKEN documentation.
Improves performance in a HiZ microbenchmark by around 50%.
Improves performance in OglZBuffer by around 18%.
Thanks to Chris Wilson for helping me figure out where to put this.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0f32fd1a9d10..a39bb0385bcb 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5202,6 +5202,9 @@ enum punit_power_well { #define COMMON_SLICE_CHICKEN2 0x7014 # define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE (1<<0) +#define HIZ_CHICKEN 0x7018 +# define CHV_HZ_8X8_MODE_IN_1X (1<<15) + #define GEN7_L3SQCREG1 0xB010 #define VLV_B0_WA_L3SQCREG1_VALUE 0x00D30000 |