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drm: hdlcd: Update PM code to save/restore console. 

Update the PM code to suspend/resume the fbdev_cma console.

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
This commit is contained in:
Liviu Dudau 2017-03-27 16:20:57 +01:00
parent c209101fc1
commit febae9bc94
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/arm/hdlcd_drv.c
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@ -13,6 +13,7 @@
#include <linux/spinlock.h>
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/console.h>
#include <linux/list.h>
#include <linux/of_graph.h>
#include <linux/of_reserved_mem.h>
@ -432,9 +433,11 @@ static int __maybe_unused hdlcd_pm_suspend(struct device *dev)
return 0;
drm_kms_helper_poll_disable(drm);
drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 1);
hdlcd->state = drm_atomic_helper_suspend(drm);
if (IS_ERR(hdlcd->state)) {
drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0);
drm_kms_helper_poll_enable(drm);
return PTR_ERR(hdlcd->state);
}
@ -451,8 +454,8 @@ static int __maybe_unused hdlcd_pm_resume(struct device *dev)
return 0;
drm_atomic_helper_resume(drm, hdlcd->state);
drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0);
drm_kms_helper_poll_enable(drm);
pm_runtime_set_active(dev);
return 0;
}