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drm/i915: mdelay(10) considered harmful 

I missed this myself when reviewing

commit 237ed86c69
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>
This commit is contained in:
Daniel Vetter 2015-12-11 19:44:15 +01:00
parent be69459a80
commit 71a199bacb
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_hdmi.c
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@ -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));
mdelay(10);
msleep(10);
}
if (!live_status)