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| author | Ben Widawsky <ben@bwidawsk.net> | 2012-10-03 19:34:24 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-04 18:44:13 +0200 |
| commit | f8f2ac9a76b0f80a6763ca316116a7bab8486997 (patch) | |
| tree | 415fc24b7f28eba79d1818abf9df1b42eedd4c66 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 95cb1b02b0f8e690cbcc479924573b4fb26c2e8f (diff) | |
| download | lwn-f8f2ac9a76b0f80a6763ca316116a7bab8486997.tar.gz lwn-f8f2ac9a76b0f80a6763ca316116a7bab8486997.zip | |
drm/i915: Fix GT_MODE default value
I can't even find how I figured this might be needed anymore. But sure
enough, the value I'm reading back on platforms doesn't match what the
docs recommends.
It seemed to fix Chris' GT1 in limited testing as well.
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 7637824c6a7d..64c1be0a9cfd 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -527,6 +527,9 @@ # define VS_TIMER_DISPATCH (1 << 6) # define MI_FLUSH_ENABLE (1 << 12) +#define GEN6_GT_MODE 0x20d0 +#define GEN6_GT_MODE_HI (1 << 9) + #define GFX_MODE 0x02520 #define GFX_MODE_GEN7 0x0229c #define RING_MODE_GEN7(ring) ((ring)->mmio_base+0x29c) |