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sna/gen8: Correct MOCS settings for render targets 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-03-05 09:51:24 +00:00
parent a7123410a3
commit a2b4f2657f
1 changed files with 8 additions and 1 deletions
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9
src/sna/gen8_render.c
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@ -1281,6 +1281,13 @@ gen8_tiling_bits(uint32_t tiling)
}
}
#define MOCS_WT (2 << 5)
#define MOCS_WB (3 << 5)
#define MOCS_eLLC_ONLY (0 << 3)
#define MOCS_LLC_ONLY (1 << 3)
#define MOCS_eLLC_LLC (2 << 3)
#define MOCS_ALL_CACHES (3 << 3)
/**
* Sets up the common fields for a surface state buffer for the given
* picture in the given surface state buffer.
@ -1318,7 +1325,7 @@ gen8_bind_bo(struct sna *sna,
domains = I915_GEM_DOMAIN_RENDER << 16 |I915_GEM_DOMAIN_RENDER;
} else
domains = I915_GEM_DOMAIN_SAMPLER << 16;
ss[1] = (is_scanout || bo->io) ? 0 : 3 << 24;
ss[1] = bo->io ? 0 : is_scanout ? (MOCS_WT | MOCS_ALL_CACHES) << 24 : (MOCS_WB | MOCS_ALL_CACHES) << 24;
ss[2] = ((width - 1) << SURFACE_WIDTH_SHIFT |
(height - 1) << SURFACE_HEIGHT_SHIFT);
ss[3] = (bo->pitch - 1) << SURFACE_PITCH_SHIFT;