On 08.12.2017 20:37, Noralf Trønnes wrote:
> Use drm_fb_cma_fbdev_init() and drm_fb_cma_fbdev_fini() which relies on
> the fact that drm_device holds a pointer to the drm_fb_helper structure.
> This means that the driver doesn't have to keep track of that.
> Also use the drm_fb_helper functions directly.
> Remove console.h inclusion which was forgotten when converting to the
> suspend/resume helpers.
Just realized this never made it upstream. I guess its still valid and
could be applied?
--
Stefan
>
> Cc: Stefan Agner <stefan@xxxxxxxx>
> Cc: Alison Wang <alison.wang@xxxxxxxxxxxxx>
> Signed-off-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 26 ++++++--------------------
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h | 1 -
> 2 files changed, 6 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> index 80232321a244..e487a2002783 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> @@ -11,7 +11,6 @@
>
> #include <linux/clk.h>
> #include <linux/clk-provider.h>
> -#include <linux/console.h>
> #include <linux/io.h>
> #include <linux/mfd/syscon.h>
> #include <linux/mm.h>
> @@ -25,6 +24,7 @@
> #include <drm/drmP.h>
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_crtc_helper.h>
> +#include <drm/drm_fb_helper.h>
> #include <drm/drm_fb_cma_helper.h>
> #include <drm/drm_gem_cma_helper.h>
> #include <drm/drm_modeset_helper.h>
> @@ -89,19 +89,15 @@ static int fsl_dcu_load(struct drm_device *dev,
> unsigned long flags)
> "Invalid legacyfb_depth. Defaulting to 24bpp\n");
> legacyfb_depth = 24;
> }
> - fsl_dev->fbdev = drm_fbdev_cma_init(dev, legacyfb_depth, 1);
> - if (IS_ERR(fsl_dev->fbdev)) {
> - ret = PTR_ERR(fsl_dev->fbdev);
> - fsl_dev->fbdev = NULL;
> + ret = drm_fb_cma_fbdev_init(dev, legacyfb_depth, 1);
> + if (ret)
> goto done;
> - }
>
> return 0;
> done:
> drm_kms_helper_poll_fini(dev);
>
> - if (fsl_dev->fbdev)
> - drm_fbdev_cma_fini(fsl_dev->fbdev);
> + drm_fb_cma_fbdev_fini(dev);
>
> drm_mode_config_cleanup(dev);
> drm_irq_uninstall(dev);
> @@ -112,13 +108,10 @@ static int fsl_dcu_load(struct drm_device *dev,
> unsigned long flags)
>
> static void fsl_dcu_unload(struct drm_device *dev)
> {
> - struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
> -
> drm_atomic_helper_shutdown(dev);
> drm_kms_helper_poll_fini(dev);
>
> - if (fsl_dev->fbdev)
> - drm_fbdev_cma_fini(fsl_dev->fbdev);
> + drm_fb_cma_fbdev_fini(dev);
>
> drm_mode_config_cleanup(dev);
> drm_irq_uninstall(dev);
> @@ -147,19 +140,12 @@ static irqreturn_t fsl_dcu_drm_irq(int irq, void *arg)
> return IRQ_HANDLED;
> }
>
> -static void fsl_dcu_drm_lastclose(struct drm_device *dev)
> -{
> - struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
> -
> - drm_fbdev_cma_restore_mode(fsl_dev->fbdev);
> -}
> -
> DEFINE_DRM_GEM_CMA_FOPS(fsl_dcu_drm_fops);
>
> static struct drm_driver fsl_dcu_drm_driver = {
> .driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM | DRIVER_MODESET
> | DRIVER_PRIME | DRIVER_ATOMIC,
> - .lastclose = fsl_dcu_drm_lastclose,
> + .lastclose = drm_fb_helper_lastclose,
> .load = fsl_dcu_load,
> .unload = fsl_dcu_unload,
> .irq_handler = fsl_dcu_drm_irq,
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> index 93bfb98012d4..cb87bb74cb87 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> @@ -191,7 +191,6 @@ struct fsl_dcu_drm_device {
> /*protects hardware register*/
> spinlock_t irq_lock;
> struct drm_device *drm;
> - struct drm_fbdev_cma *fbdev;
> struct drm_crtc crtc;
> struct drm_encoder encoder;
> struct fsl_dcu_drm_connector connector;
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