On Sat, 4 Nov 2017 14:03:59 +0100
Noralf Trønnes <noralf@xxxxxxxxxxx> 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.
>
> Cc: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
Acked-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 26 ++++----------------------
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 2 +-
> 2 files changed, 5 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> index c6e8061ffcfc..c1ea5c36b006 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> @@ -461,13 +461,6 @@ static struct drm_framebuffer *atmel_hlcdc_fb_create(struct drm_device *dev,
> return drm_gem_fb_create(dev, file_priv, mode_cmd);
> }
>
> -static void atmel_hlcdc_fb_output_poll_changed(struct drm_device *dev)
> -{
> - struct atmel_hlcdc_dc *dc = dev->dev_private;
> -
> - drm_fbdev_cma_hotplug_event(dc->fbdev);
> -}
> -
> struct atmel_hlcdc_dc_commit {
> struct work_struct work;
> struct drm_device *dev;
> @@ -563,7 +556,7 @@ static int atmel_hlcdc_dc_atomic_commit(struct drm_device *dev,
>
> static const struct drm_mode_config_funcs mode_config_funcs = {
> .fb_create = atmel_hlcdc_fb_create,
> - .output_poll_changed = atmel_hlcdc_fb_output_poll_changed,
> + .output_poll_changed = drm_fb_helper_output_poll_changed,
> .atomic_check = drm_atomic_helper_check,
> .atomic_commit = atmel_hlcdc_dc_atomic_commit,
> };
> @@ -665,10 +658,7 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev)
>
> platform_set_drvdata(pdev, dev);
>
> - dc->fbdev = drm_fbdev_cma_init(dev, 24,
> - dev->mode_config.num_connector);
> - if (IS_ERR(dc->fbdev))
> - dc->fbdev = NULL;
> + drm_fb_cma_fbdev_init(dev, 24, 0);
>
> drm_kms_helper_poll_init(dev);
>
> @@ -688,8 +678,7 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev)
> {
> struct atmel_hlcdc_dc *dc = dev->dev_private;
>
> - if (dc->fbdev)
> - drm_fbdev_cma_fini(dc->fbdev);
> + drm_fb_cma_fbdev_fini(dev);
> flush_workqueue(dc->wq);
> drm_kms_helper_poll_fini(dev);
> drm_mode_config_cleanup(dev);
> @@ -705,13 +694,6 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev)
> destroy_workqueue(dc->wq);
> }
>
> -static void atmel_hlcdc_dc_lastclose(struct drm_device *dev)
> -{
> - struct atmel_hlcdc_dc *dc = dev->dev_private;
> -
> - drm_fbdev_cma_restore_mode(dc->fbdev);
> -}
> -
> static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev)
> {
> struct atmel_hlcdc_dc *dc = dev->dev_private;
> @@ -744,7 +726,7 @@ static struct drm_driver atmel_hlcdc_dc_driver = {
> .driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM |
> DRIVER_MODESET | DRIVER_PRIME |
> DRIVER_ATOMIC,
> - .lastclose = atmel_hlcdc_dc_lastclose,
> + .lastclose = drm_fb_helper_lastclose,
> .irq_handler = atmel_hlcdc_dc_irq_handler,
> .irq_preinstall = atmel_hlcdc_dc_irq_uninstall,
> .irq_postinstall = atmel_hlcdc_dc_irq_postinstall,
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> index 6833ee253cfa..ab32d5b268d2 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> @@ -32,6 +32,7 @@
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_crtc.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_gem_framebuffer_helper.h>
> @@ -374,7 +375,6 @@ struct atmel_hlcdc_dc {
> const struct atmel_hlcdc_dc_desc *desc;
> struct dma_pool *dscrpool;
> struct atmel_hlcdc *hlcdc;
> - struct drm_fbdev_cma *fbdev;
> struct drm_crtc *crtc;
> struct atmel_hlcdc_layer *layers[ATMEL_HLCDC_MAX_LAYERS];
> struct workqueue_struct *wq;
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