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authorBen Widawsky <ben@bwidawsk.net>2012-08-20 16:15:14 -0700
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-22 18:06:26 +0200
commitb4c145c1d245c2cc19754dbe4b718f5a48755993 (patch)
tree67047e8b2cfedcb6a37605655f0d78401ada26d7 /drivers/gpu/drm/i915/i915_reg.h
parent71e172e8d141fc167b1cca28271fd39c8cf63ed3 (diff)
drm/i915: Find unclaimed MMIO writes.
ERR_INT on HSW will display unclaimed MMIO accesses. This can be either the result of a driver bug writing to an invalid addresses, or the result of RC6. Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Antti Koskipaa <antti.koskipaa@linux.intel.com> 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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a20885c0f35..f27e9982bed 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -501,6 +501,7 @@
#define ERROR_GEN6 0x040a0
#define GEN7_ERR_INT 0x44040
+#define ERR_INT_MMIO_UNCLAIMED (1<<13)
/* GM45+ chicken bits -- debug workaround bits that may be required
* for various sorts of correct behavior. The top 16 bits of each are