3.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Stéphane Marchesin <marc...@chromium.org>
commit 0920a48719f1ceefc909387a64f97563848c7854 upstream.
This increases GEN6_RC6p_THRESHOLD from 100000 to 150000. For some
reason this avoids the gen6_gt_check_fifodbg.isra warnings and
associated GPU lockups, which makes my ivy bridge machine stable.
Signed-off-by: Stéphane Marchesin <marc...@chromium.org>
Acked-by: Jesse Barnes <jbar...@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/i915/intel_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2572,7 +2572,7 @@ static void gen6_enable_rps(struct drm_d
I915_WRITE(GEN6_RC_SLEEP, 0);
I915_WRITE(GEN6_RC1e_THRESHOLD, 1000);
I915_WRITE(GEN6_RC6_THRESHOLD, 50000);
- I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
+ I915_WRITE(GEN6_RC6p_THRESHOLD, 150000);
I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
/* Check if we are enabling RC6 */
--
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