linux-kernel - Re: [PATCH] drm/stm: move enable/disable

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Date:   Mon, 16 Apr 2018 09:07:32 +0000
From:   Vincent ABRIOU <vincent.abriou@...com>
To:     Philippe CORNU <philippe.cornu@...com>,
        Yannick FERTRE <yannick.fertre@...com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        David Airlie <airlied@...ux.ie>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Fabien DESSENNE <fabien.dessenne@...com>,
        Mickael REULIER <mickael.reulier@...com>,
        Alexandre TORGUE <alexandre.torgue@...com>
Subject: Re: [PATCH] drm/stm: move enable/disable_vblank to crtc

Hi Philippe,

Patch looks good to me.

Reviewed-by: Vincent Abriou <vincent.abriou@...com>

On 04/07/2018 11:29 PM, Philippe Cornu wrote:
> enable/disable_vblank() functions at drm_driver level
> are deprecated. Move them to the ltdc drm_crtc_funcs
> structure.
> 
> Signed-off-by: Philippe Cornu <philippe.cornu@...com>
> ---
>   drivers/gpu/drm/stm/drv.c  |  2 --
>   drivers/gpu/drm/stm/ltdc.c | 10 ++++++----
>   drivers/gpu/drm/stm/ltdc.h |  2 --
>   3 files changed, 6 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
> index 9ab00a87f7cc..8698e08313e1 100644
> --- a/drivers/gpu/drm/stm/drv.c
> +++ b/drivers/gpu/drm/stm/drv.c
> @@ -72,8 +72,6 @@ static struct drm_driver drv_driver = {
>   	.gem_prime_vmap = drm_gem_cma_prime_vmap,
>   	.gem_prime_vunmap = drm_gem_cma_prime_vunmap,
>   	.gem_prime_mmap = drm_gem_cma_prime_mmap,
> -	.enable_vblank = ltdc_crtc_enable_vblank,
> -	.disable_vblank = ltdc_crtc_disable_vblank,
>   };
>   
>   static int drv_load(struct drm_device *ddev)
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 1a3277e483d5..2b745cfc9000 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -569,9 +569,9 @@ static const struct drm_crtc_helper_funcs ltdc_crtc_helper_funcs = {
>   	.atomic_disable = ltdc_crtc_atomic_disable,
>   };
>   
> -int ltdc_crtc_enable_vblank(struct drm_device *ddev, unsigned int pipe)
> +static int ltdc_crtc_enable_vblank(struct drm_crtc *crtc)
>   {
> -	struct ltdc_device *ldev = ddev->dev_private;
> +	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
>   
>   	DRM_DEBUG_DRIVER("\n");
>   	reg_set(ldev->regs, LTDC_IER, IER_LIE);
> @@ -579,9 +579,9 @@ int ltdc_crtc_enable_vblank(struct drm_device *ddev, unsigned int pipe)
>   	return 0;
>   }
>   
> -void ltdc_crtc_disable_vblank(struct drm_device *ddev, unsigned int pipe)
> +static void ltdc_crtc_disable_vblank(struct drm_crtc *crtc)
>   {
> -	struct ltdc_device *ldev = ddev->dev_private;
> +	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
>   
>   	DRM_DEBUG_DRIVER("\n");
>   	reg_clear(ldev->regs, LTDC_IER, IER_LIE);
> @@ -594,6 +594,8 @@ static const struct drm_crtc_funcs ltdc_crtc_funcs = {
>   	.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 = ltdc_crtc_enable_vblank,
> +	.disable_vblank = ltdc_crtc_disable_vblank,
>   	.gamma_set = drm_atomic_helper_legacy_gamma_set,
>   };
>   
> diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
> index edb268129c54..61a80d00bc3b 100644
> --- a/drivers/gpu/drm/stm/ltdc.h
> +++ b/drivers/gpu/drm/stm/ltdc.h
> @@ -29,8 +29,6 @@ struct ltdc_device {
>   	u32 irq_status;
>   };
>   
> -int ltdc_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe);
> -void ltdc_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe);
>   int ltdc_load(struct drm_device *ddev);
>   void ltdc_unload(struct drm_device *ddev);
>   
>