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drm/i915: only set the intel_crtc DPMS mode to on if the mode set succeeded 

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>
This commit is contained in:
Jesse Barnes 2011-11-15 10:28:54 -08:00 committed by Keith Packard
parent 7a4198664d
commit d8e70a254d
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/intel_display.c
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@ -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;
}