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Commit 354ff967 authored by Zhao Yakui's avatar Zhao Yakui Committed by Eric Anholt
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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: default avatarZhao Yakui <yakui.zhao@intel.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 883e860d

drivers/gpu/drm/i915/i915_drv.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

}