Messages in this thread Patch in this message | | | From | Liviu Dudau <> | Subject | [PATCH v2] drm: hdlcd: Update PM code to save/restore console. | Date | Mon, 19 Jun 2017 14:53:41 +0100 |
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Update the PM code to suspend/resume the fbdev_cma console.
Changelog: - v2: Use drm_fbdev_cma_set_suspend_unlocked() function for taking the console lock (suggested by Noralf Trønnes <noralf@tronnes.org>) - v1: Initial submission [1]
[1] https://lists.freedesktop.org/archives/dri-devel/2017-June/144502.html
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> --- drivers/gpu/drm/arm/hdlcd_drv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index d3da87fbd85a..11ecda211f7f 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -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> @@ -435,9 +436,11 @@ 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); } @@ -454,8 +457,8 @@ 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; } -- 2.13.1
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