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drm/i915: Apply HWSTAM workaround for BSD ring on SandyBridge
[deliverable/linux.git]
/
drivers
/
gpu
/
drm
/
i915
/
i915_irq.c
diff --git
a/drivers/gpu/drm/i915/i915_irq.c
b/drivers/gpu/drm/i915/i915_irq.c
index 9e34a1abeb61b8d43d49553d5fb2299a4429a026..ae2b49969b995c0b1c7f7f76f65d2426ea003522 100644
(file)
--- a/
drivers/gpu/drm/i915/i915_irq.c
+++ b/
drivers/gpu/drm/i915/i915_irq.c
@@
-1749,6
+1749,7
@@
void ironlake_irq_preinstall(struct drm_device *dev)
* happens.
*/
I915_WRITE(GEN6_BLITTER_HWSTAM, ~GEN6_BLITTER_USER_INTERRUPT);
+ I915_WRITE(GEN6_BSD_HWSTAM, ~GEN6_BSD_USER_INTERRUPT);
}
/* XXX hotplug from PCH */
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