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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-intel

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-intel:
  drm/i915: set GFX_MODE to pre-Ivybridge default value even on Ivybridge
Linus Torvalds 13 years ago
parent
commit
bed8cad959
2 changed files with 8 additions and 0 deletions
  1. 4 0
      drivers/gpu/drm/i915/i915_reg.h
  2. 4 0
      drivers/gpu/drm/i915/intel_ringbuffer.c

+ 4 - 0
drivers/gpu/drm/i915/i915_reg.h

@@ -375,6 +375,7 @@
 # define MI_FLUSH_ENABLE				(1 << 11)
 
 #define GFX_MODE	0x02520
+#define GFX_MODE_GEN7	0x0229c
 #define   GFX_RUN_LIST_ENABLE		(1<<15)
 #define   GFX_TLB_INVALIDATE_ALWAYS	(1<<13)
 #define   GFX_SURFACE_FAULT_ENABLE	(1<<12)
@@ -382,6 +383,9 @@
 #define   GFX_PSMI_GRANULARITY		(1<<10)
 #define   GFX_PPGTT_ENABLE		(1<<9)
 
+#define GFX_MODE_ENABLE(bit) (((bit) << 16) | (bit))
+#define GFX_MODE_DISABLE(bit) (((bit) << 16) | (0))
+
 #define SCPD0		0x0209c /* 915+ only */
 #define IER		0x020a0
 #define IIR		0x020a4

+ 4 - 0
drivers/gpu/drm/i915/intel_ringbuffer.c

@@ -290,6 +290,10 @@ static int init_render_ring(struct intel_ring_buffer *ring)
 		if (IS_GEN6(dev) || IS_GEN7(dev))
 			mode |= MI_FLUSH_ENABLE << 16 | MI_FLUSH_ENABLE;
 		I915_WRITE(MI_MODE, mode);
+		if (IS_GEN7(dev))
+			I915_WRITE(GFX_MODE_GEN7,
+				   GFX_MODE_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+				   GFX_MODE_ENABLE(GFX_REPLAY_MODE));
 	}
 
 	if (INTEL_INFO(dev)->gen >= 6) {