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drm/i915/bdw: Swizzling support

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Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-11-02 21:07:04 -07:00 committed by Daniel Vetter
parent 5ab31333ac
commit 31a5336e1c
2 changed files with 4 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_gem.c
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@ -4362,6 +4362,8 @@ void i915_gem_init_swizzling(struct drm_device *dev)
I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB));
else if (IS_GEN7(dev))
I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB));
else if (IS_GEN8(dev))
I915_WRITE(GAMTARBMODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW));
else
BUG();
}

2
drivers/gpu/drm/i915/i915_reg.h
View File

@ -655,6 +655,8 @@
#define ARB_MODE 0x04030
#define ARB_MODE_SWIZZLE_SNB (1<<4)
#define ARB_MODE_SWIZZLE_IVB (1<<5)
#define GAMTARBMODE 0x04a08
#define ARB_MODE_SWIZZLE_BDW (1<<1)
#define RENDER_HWS_PGA_GEN7 (0x04080)
#define RING_FAULT_REG(ring) (0x4094 + 0x100*(ring)->id)
#define RING_FAULT_GTTSEL_MASK (1<<11)