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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-01-15 16:05:55 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-01-15 16:34:57 +0400 |
| commit | 0f3b6849dd55943d915f4b461d7db5e8308d4083 (patch) | |
| tree | 2bf578f7f72fb6177f6664de6bb3997aa4f9b353 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 93927ca52a55c23e0a6a305e7e9082e8411ac9fa (diff) | |
| download | linux-0f3b6849dd55943d915f4b461d7db5e8308d4083.tar.xz | |
drm/i915: Record DERRMR, FORCEWAKE and RING_CTL in error-state
These are useful for investigating hangs involving WAIT_FOR_EVENT.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Apply a droplet of Future-Proof in the if-ladder.]
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 | 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 186ee5c85b51..b401788e1791 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -512,6 +512,8 @@ #define GEN7_ERR_INT 0x44040 #define ERR_INT_MMIO_UNCLAIMED (1<<13) +#define DERRMR 0x44050 + /* GM45+ chicken bits -- debug workaround bits that may be required * for various sorts of correct behavior. The top 16 bits of each are * the enables for writing to the corresponding low bit. |