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author | Eric Anholt | 2010-11-06 22:53:33 +0100 |
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committer | Chris Wilson | 2010-11-08 10:20:12 +0100 |
commit | 67e92af01cb6f7e9a5fd5c930c43cd6f6ef45929 (patch) | |
tree | 4f38b09eeb95365087a92d27744afd37c3ca40e8 /drivers/gpu/drm/i915/i915_reg.h | |
parent | drm/i915: Apply B-spec mandated workaround for read flushes on Ironlake. (diff) | |
download | kernel-qcow2-linux-67e92af01cb6f7e9a5fd5c930c43cd6f6ef45929.tar.gz kernel-qcow2-linux-67e92af01cb6f7e9a5fd5c930c43cd6f6ef45929.tar.xz kernel-qcow2-linux-67e92af01cb6f7e9a5fd5c930c43cd6f6ef45929.zip |
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.h | 2 |
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 |