Home Explore Help
Register Sign In
phyus
/
linux-vybrid_public
8
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Browse Source

drm/i915/bdw: Swizzling support

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>
Ben Widawsky 11 years ago
parent
5ab31333ac
commit
31a5336e1c
2 changed files with 4 additions and 0 deletions
Split View Show Diff Stats
  1. 2 0
      drivers/gpu/drm/i915/i915_gem.c
  2. 2 0
      drivers/gpu/drm/i915/i915_reg.h

+ 2 - 0
drivers/gpu/drm/i915/i915_gem.c
View File 

@@ -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 - 0
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)