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[1054/1094] drm/i915/bdw: remove erroneous chv specific workarounds from bdw code

Message ID 1413889294-31328-1055-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal Oct. 21, 2014, 11 a.m. UTC 
From: Tom O'Rourke <Tom.O'Rourke@intel.com>

Correct a merge mishap in

commit e4443e459ccf43f2c139358400365fd6a839d40d
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Wed Apr 9 13:28:41 2014 +0300

    drm/i915/chv: Add a bunch of pre production workarounds

Remove the the chv specific workarounds from bdw code, specifically
gen8_enable_rps().

Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[Jani: extract hunk #1 for 3.16 from Tom's patch, clarify commit message]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 7e2db9a..769caea 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3505,15 +3505,11 @@  static void gen8_enable_rps(struct drm_device *dev)
 
 	I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
 
-	/* WaDisablePwrmtrEvent:chv (pre-production hw) */
-	I915_WRITE(0xA80C, I915_READ(0xA80C) & 0x00ffffff);
-	I915_WRITE(0xA810, I915_READ(0xA810) & 0xffffff00);
-
 	/* 5: Enable RPS */
 	I915_WRITE(GEN6_RP_CONTROL,
 		   GEN6_RP_MEDIA_TURBO |
 		   GEN6_RP_MEDIA_HW_NORMAL_MODE |
-		   GEN6_RP_MEDIA_IS_GFX | /* WaSetMaskForGfxBusyness:chv (pre-production hw ?) */
+		   GEN6_RP_MEDIA_IS_GFX |
 		   GEN6_RP_ENABLE |
 		   GEN6_RP_UP_BUSY_AVG |
 		   GEN6_RP_DOWN_IDLE_AVG);