From b4c145c1d245c2cc19754dbe4b718f5a48755993 Mon Sep 17 00:00:00 2001 From: Ben Widawsky Date: Mon, 20 Aug 2012 16:15:14 -0700 Subject: 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 Reviewed-by: Paulo Zanoni Tested-by: Paulo Zanoni Reviewed-by: Antti Koskipaa Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_reg.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/i915/i915_reg.h') diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a20885c0f35f..f27e9982bed0 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 -- cgit v1.2.3