lkml.org 
[lkml]   [2010]   [Aug]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 1/2] drm/i915: Revert wait for vblank to prevent X refresh issues
In commit 9d0498a2bf7455159b317f19531a3e5db2ecc9c4 20ms waits were
converted into vblank waits. One of these caused tearing, mode detection
and redraw issues on an EeePC 900 with a more recent intel userspace (
http://lkml.org/lkml/2010/8/23/432 ). Restoring the 20ms wait resolves
the issue.
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 23157e1..116d938 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4539,7 +4539,7 @@ struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
encoder_funcs->commit(encoder);
}
/* let the connector get through one full cycle before testing */
- intel_wait_for_vblank(dev, intel_crtc->pipe);
+ msleep(20);

return crtc;
}
--
1.7.1


\
 
 \ /
  Last update: 2010-08-24 17:51    [W:0.055 / U:0.320 seconds]
©2003-2014 Jasper Spaans. Advertise on this site