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drm/i915: only set the intel_crtc DPMS mode to on if the mode set succeeded
author
Jesse Barnes
<jbarnes@virtuousgeek.org>
Tue, 15 Nov 2011 18:28:54 +0000
(10:28 -0800)
committer
Keith Packard
<keithp@keithp.com>
Tue, 3 Jan 2012 22:55:52 +0000
(14:55 -0800)
If it failed, leave it in the "off" state.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
drivers/gpu/drm/i915/intel_display.c
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diff --git
a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index
bdab82b
..
29743de
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_display.c
+++ b/
drivers/gpu/drm/i915/intel_display.c
@@
-5984,10
+5984,12
@@
static int intel_crtc_mode_set(struct drm_crtc *crtc,
ret = dev_priv->display.crtc_mode_set(crtc, mode, adjusted_mode,
x, y, old_fb);
-
drm_vblank_post_modeset(dev, pipe);
- intel_crtc->dpms_mode = DRM_MODE_DPMS_ON;
+ if (ret)
+ intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF;
+ else
+ intel_crtc->dpms_mode = DRM_MODE_DPMS_ON;
return ret;
}