On 02/07/17 11:16, Shawn Guo wrote:
> From: Shawn Guo <shawn....@linaro.org>
>
> The vblank hooks in struct drm_driver are deprecated and only meant for
> legacy drivers. For modern drivers with DRIVER_MODESET flag, the hooks
> in struct drm_crtc_funcs should be used instead.
>
> While at it, the 'return' of .disable_vblank is dropped to fix the
> following checkpatch warning.
>
> WARNING: void function return statements are not generally useful
>
> Signed-off-by: Shawn Guo <shawn....@linaro.org>
> Cc: Jyri Sarha <jsa...@ti.com>
Acked-by: Jyri Sarha <jsa...@ti.com>
> ---
> drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 11 +++++++++++
> drivers/gpu/drm/tilcdc/tilcdc_drv.c | 12 ------------
> 2 files changed, 11 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> index f80bf9385e41..93505bcfdf4b 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> @@ -695,6 +695,15 @@ static int tilcdc_crtc_atomic_check(struct drm_crtc
> *crtc,
> return 0;
> }
>
> +static int tilcdc_crtc_enable_vblank(struct drm_crtc *crtc)
> +{
> + return 0;
> +}
> +
> +static void tilcdc_crtc_disable_vblank(struct drm_crtc *crtc)
> +{
> +}
> +
> static const struct drm_crtc_funcs tilcdc_crtc_funcs = {
> .destroy = tilcdc_crtc_destroy,
> .set_config = drm_atomic_helper_set_config,
> @@ -702,6 +711,8 @@ static int tilcdc_crtc_atomic_check(struct drm_crtc *crtc,
> .reset = drm_atomic_helper_crtc_reset,
> .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
> .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
> + .enable_vblank = tilcdc_crtc_enable_vblank,
> + .disable_vblank = tilcdc_crtc_disable_vblank,
> };
>
> static const struct drm_crtc_helper_funcs tilcdc_crtc_helper_funcs = {
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> index d5bc98e283d9..81d80a2ffeb1 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> @@ -437,16 +437,6 @@ static irqreturn_t tilcdc_irq(int irq, void *arg)
> return tilcdc_crtc_irq(priv->crtc);
> }
>
> -static int tilcdc_enable_vblank(struct drm_device *dev, unsigned int pipe)
> -{
> - return 0;
> -}
> -
> -static void tilcdc_disable_vblank(struct drm_device *dev, unsigned int pipe)
> -{
> - return;
> -}
> -
> #if defined(CONFIG_DEBUG_FS)
> static const struct {
> const char *name;
> @@ -557,8 +547,6 @@ static int tilcdc_debugfs_init(struct drm_minor *minor)
> DRIVER_PRIME | DRIVER_ATOMIC),
> .lastclose = tilcdc_lastclose,
> .irq_handler = tilcdc_irq,
> - .enable_vblank = tilcdc_enable_vblank,
> - .disable_vblank = tilcdc_disable_vblank,
> .gem_free_object_unlocked = drm_gem_cma_free_object,
> .gem_vm_ops = &drm_gem_cma_vm_ops,
> .dumb_create = drm_gem_cma_dumb_create,
>
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