3.13.11-ckt12 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Daniel Vetter <daniel.vetter@xxxxxxxx>
commit 2208d655a91f9879bd9a39ff9df05dd668b3512c upstream.
This reverts the regressing
commit 6547fbdbfff62c99e4f7b4f985ff8b3454f33b0f
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date: Fri Dec 14 23:38:29 2012 +0100
drm/i915: Implement WaSetupGtModeTdRowDispatch
that causes GPU hangs immediately on boot.
Reported-by: Leo Wolf <jclw@xxxxxxxxx>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79996
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
[Jani: amended the commit message slightly.]
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ba51112..95543ec 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5195,11 +5195,6 @@ static void gen6_init_clock_gating(struct drm_device *dev)
I915_WRITE(_3D_CHICKEN,
_MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB));
- /* WaSetupGtModeTdRowDispatch:snb */
- if (IS_SNB_GT1(dev))
- I915_WRITE(GEN6_GT_MODE,
- _MASKED_BIT_ENABLE(GEN6_TD_FOUR_ROW_DISPATCH_DISABLE));
-
I915_WRITE(WM3_LP_ILK, 0);
I915_WRITE(WM2_LP_ILK, 0);
I915_WRITE(WM1_LP_ILK, 0);
--
1.9.1
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