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drm/fsl-dcu: Use drm_mode_config_helper_suspend/resume() 

Replace driver's code with the generic helpers that do the same thing.

Cc: Stefan Agner <stefan@agner.ch>
Cc: Alison Wang <alison.wang@freescale.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171114212517.23536-5-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes 2017-11-14 22:25:15 +01:00
parent e1ef900666
commit 3b71239181
2 changed files with 6 additions and 20 deletions
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25
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
View File

@ -27,6 +27,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_modeset_helper.h>
#include "fsl_dcu_drm_crtc.h"
#include "fsl_dcu_drm_drv.h"
@ -188,26 +189,17 @@ static struct drm_driver fsl_dcu_drm_driver = {
static int fsl_dcu_drm_pm_suspend(struct device *dev)
{
struct fsl_dcu_drm_device *fsl_dev = dev_get_drvdata(dev);
int ret;
if (!fsl_dev)
return 0;
disable_irq(fsl_dev->irq);
drm_kms_helper_poll_disable(fsl_dev->drm);
console_lock();
drm_fbdev_cma_set_suspend(fsl_dev->fbdev, 1);
console_unlock();
fsl_dev->state = drm_atomic_helper_suspend(fsl_dev->drm);
if (IS_ERR(fsl_dev->state)) {
console_lock();
drm_fbdev_cma_set_suspend(fsl_dev->fbdev, 0);
console_unlock();
drm_kms_helper_poll_enable(fsl_dev->drm);
ret = drm_mode_config_helper_suspend(fsl_dev->drm);
if (ret) {
enable_irq(fsl_dev->irq);
return PTR_ERR(fsl_dev->state);
return ret;
}
clk_disable_unprepare(fsl_dev->clk);
@ -233,13 +225,8 @@ static int fsl_dcu_drm_pm_resume(struct device *dev)
fsl_tcon_bypass_enable(fsl_dev->tcon);
fsl_dcu_drm_init_planes(fsl_dev->drm);
enable_irq(fsl_dev->irq);
drm_atomic_helper_resume(fsl_dev->drm, fsl_dev->state);
console_lock();
drm_fbdev_cma_set_suspend(fsl_dev->fbdev, 0);
console_unlock();
drm_kms_helper_poll_enable(fsl_dev->drm);
drm_mode_config_helper_resume(fsl_dev->drm);
return 0;
}

1
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
View File

@ -196,7 +196,6 @@ struct fsl_dcu_drm_device {
struct drm_encoder encoder;
struct fsl_dcu_drm_connector connector;
const struct fsl_dcu_soc_data *soc;
struct drm_atomic_state *state;
};
int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev);