[PATCH] drm/i915: Fix comment typo

[min tang]

The double `for' is duplicated in line 2537, remove one.

Signed-off-by: min tang <tangmin at cdjrlc.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9ccb67eec1bd..617a33e4bbb6 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2534,7 +2534,7 @@
  * HDMI/DP bits are g4x+
  *
  * WARNING: Bspec for hpd status bits on gen4 seems to be completely confused.
- * Please check the detailed lore in the commit message for for experimental
+ * Please check the detailed lore in the commit message for experimental
  * evidence.
  */
 /* Bspec says GM45 should match G4X/VLV/CHV, but reality disagrees */
-- 
2.17.1