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drm/i915: mdelay(10) considered harmful
author
Daniel Vetter
<daniel.vetter@ffwll.ch>
Fri, 11 Dec 2015 18:44:15 +0000
(19:44 +0100)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Thu, 17 Dec 2015 15:59:24 +0000
(16:59 +0100)
I missed this myself when reviewing
commit
237ed86c693d8a8e4db476976aeb30df4deac74b
Author: Sonika Jindal <sonika.jindal@intel.com>
Date: Tue Sep 15 09:44:20 2015 +0530
drm/i915: Check live status before reading edid
Long sleeps like this really shouldn't waste cpu cycles spinning.
Cc: Sonika Jindal <sonika.jindal@intel.com>
Cc: "Wang, Gary C" <gary.c.wang@intel.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/1449859455-32609-1-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_hdmi.c
patch
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diff --git
a/drivers/gpu/drm/i915/intel_hdmi.c
b/drivers/gpu/drm/i915/intel_hdmi.c
index
23f339e
..
478e31f
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_hdmi.c
+++ b/
drivers/gpu/drm/i915/intel_hdmi.c
@@
-1395,7
+1395,7
@@
intel_hdmi_detect(struct drm_connector *connector, bool force)
while (!live_status && --retry) {
live_status = intel_digital_port_connected(dev_priv,
hdmi_to_dig_port(intel_hdmi));
- m
delay
(10);
+ m
sleep
(10);
}
if (!live_status)