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From: Damien Lespiau <damien.lespiau@gmail.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 1/2] drm/i915: Document that we are implementing WaDisableBackToBackFlipFix
Date: Thu,  4 Oct 2012 18:49:23 +0100	[thread overview]
Message-ID: <1349372964-11889-1-git-send-email-damien.lespiau@gmail.com> (raw)

From: Damien Lespiau <damien.lespiau@intel.com>

For the next person that checks these kind of things, without having to
dig up the register definition.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 62fe848..3d219ec 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3541,6 +3541,7 @@ static void ivybridge_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(_3D_CHICKEN3,
 		   _MASKED_BIT_ENABLE(_3D_CHICKEN_SF_DISABLE_OBJEND_CULL));
 
+	/* WaDisableBackToBackFlipFix */
 	I915_WRITE(IVB_CHICKEN3,
 		   CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE |
 		   CHICKEN3_DGMG_DONE_FIX_DISABLE);
@@ -3621,6 +3622,7 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(_3D_CHICKEN3,
 		   _MASKED_BIT_ENABLE(_3D_CHICKEN_SF_DISABLE_OBJEND_CULL));
 
+	/* WaDisableBackToBackFlipFix */
 	I915_WRITE(IVB_CHICKEN3,
 		   CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE |
 		   CHICKEN3_DGMG_DONE_FIX_DISABLE);
-- 
1.7.7.5

             reply	other threads:[~2012-10-04 17:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-04 17:49 Damien Lespiau [this message]
2012-10-04 17:49 ` [PATCH 2/2] drm/i915: Remove the WaDisableBackToBackFlipFix w/a for Haswell Damien Lespiau
2012-10-04 18:02   ` Paulo Zanoni
2012-10-05 13:28     ` Lespiau, Damien
2012-10-04 17:58 ` [PATCH 1/2] drm/i915: Document that we are implementing WaDisableBackToBackFlipFix Paulo Zanoni
2012-10-08 16:44   ` Daniel Vetter

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