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authorEric Anholt2010-11-06 22:53:33 +0100
committerChris Wilson2010-11-08 10:20:12 +0100
commit67e92af01cb6f7e9a5fd5c930c43cd6f6ef45929 (patch)
tree4f38b09eeb95365087a92d27744afd37c3ca40e8 /drivers/gpu/drm/i915/i915_reg.h
parentdrm/i915: Apply B-spec mandated workaround for read flushes on Ironlake. (diff)
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drm/i915: Apply display workaround required according to the B-Spec.
Not known to fix any current bugs. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 09e2a5502652..61fe2619bb63 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2609,6 +2609,8 @@
#define GTIER 0x4401c
#define ILK_DISPLAY_CHICKEN2 0x42004
+/* Required on all Ironlake and Sandybridge according to the B-Spec. */
+#define ILK_ELPIN_409_SELECT (1 << 25)
#define ILK_DPARB_GATE (1<<22)
#define ILK_VSDPFD_FULL (1<<21)
#define ILK_DSPCLK_GATE 0x42020