[PATCH 06/62] drm/i915/bdw: Swizzling support

Ben Widawsky
2013-11-03T04:08:05Z

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_gem.c | 2 ++
drivers/gpu/drm/i915/i915_reg.h | 2 ++
2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5be1a15..12bbd5e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -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();
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 6799d53..b6b1c78 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -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)
--
1.8.4.2