| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.17 109/122] drm/i915: drop WaSetupGtModeTdRowDispatch:snb | Date | Fri, 5 Dec 2014 14:44:43 -0800 |
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3.17-stable review patch. If anyone has any objections, please let me know.
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From: Daniel Vetter <daniel.vetter@ffwll.ch>
commit 2208d655a91f9879bd9a39ff9df05dd668b3512c upstream.
This reverts the regressing
commit 6547fbdbfff62c99e4f7b4f985ff8b3454f33b0f Author: Daniel Vetter <daniel.vetter@ffwll.ch> 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@ymail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79996 Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> [Jani: amended the commit message slightly.] Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/i915/intel_pm.c | 5 ----- 1 file changed, 5 deletions(-)
--- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5247,11 +5247,6 @@ static void gen6_init_clock_gating(struc 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)); - /* WaDisable_RenderCache_OperationalFlush:snb */ I915_WRITE(CACHE_MODE_0, _MASKED_BIT_DISABLE(RC_OP_FLUSH_ENABLE));
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