drm/i915: Restore the KMS modeset for every activated CRTC

Restore the modeset for every activated CRTC in course of resume.
This is realized by calling the function of drm_helper_resume_force_mode.
Note: it is meaningful only for the KMS mode.

https://bugs.freedesktop.org/show_bug.cgi?id=21719
https://bugs.freedesktop.org/show_bug.cgi?id=21708
https://bugs.freedesktop.org/show_bug.cgi?id=22285
https://bugs.freedesktop.org/show_bug.cgi?id=22263

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Zhao Yakui 2009-07-08 14:13:12 +08:00 коммит произвёл Eric Anholt
Родитель 883e860daf
Коммит 354ff96772
1 изменённых файлов: 5 добавлений и 0 удалений

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@ -35,6 +35,7 @@
#include "drm_pciids.h"
#include <linux/console.h>
#include "drm_crtc_helper.h"
static unsigned int i915_modeset = -1;
module_param_named(modeset, i915_modeset, int, 0400);
@ -115,6 +116,10 @@ static int i915_resume(struct drm_device *dev)
drm_irq_install(dev);
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
/* Resume the modeset for every activated CRTC */
drm_helper_resume_force_mode(dev);
}
return ret;
}