blob: 52f598287d0800f4bb2719ba29d1d7ace96170b1 [file] [log] [blame]
From 77516eaf1c5aee58fef3981d8ac480401801a3f4 Mon Sep 17 00:00:00 2001
From: Damien Lespiau <damien.lespiau@intel.com>
Date: Fri, 7 Jun 2013 17:41:07 +0100
Subject: drm/i915: We implement WaFbcWaitForVBlankBeforeEnable for ilk and snb
We also wait for that blank on other platforms but the w/a doesn't
apply there. Not an issue at all.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 7457d61748f7939dea49849db442cb3df4c7c3fe)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 19646d3aa052..abd216d6cde3 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -404,6 +404,8 @@ static void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
* following the termination of the page-flipping sequence
* and indeed performing the enable as a co-routine and not
* waiting synchronously upon the vblank.
+ *
+ * WaFbcWaitForVBlankBeforeEnable:ilk,snb
*/
schedule_delayed_work(&work->work, msecs_to_jiffies(50));
}
--
1.8.5.rc3