Re: [PATCH] drm/stm: ltdc: Use simple encoder

[Thomas Zimmermann]

Am 02.03.21 um 18:57 schrieb Jagan Teki:
> STM ltdc driver uses an empty implementation for its encoder.
> Replace the code with the generic simple encoder.
>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>

Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

> ---
>   drivers/gpu/drm/stm/ltdc.c | 12 ++----------
>   1 file changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 7812094f93d6..aeeb43524ca0 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -31,6 +31,7 @@
>   #include <drm/drm_of.h>
>   #include <drm/drm_plane_helper.h>
>   #include <drm/drm_probe_helper.h>
> +#include <drm/drm_simple_kms_helper.h>
>   #include <drm/drm_vblank.h>
>   
>   #include <video/videomode.h>
> @@ -1020,14 +1021,6 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
>   	return ret;
>   }
>   
> -/*
> - * DRM_ENCODER
> - */
> -
> -static const struct drm_encoder_funcs ltdc_encoder_funcs = {
> -	.destroy = drm_encoder_cleanup,
> -};
> -
>   static void ltdc_encoder_disable(struct drm_encoder *encoder)
>   {
>   	struct drm_device *ddev = encoder->dev;
> @@ -1088,8 +1081,7 @@ static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
>   	encoder->possible_crtcs = CRTC_MASK;
>   	encoder->possible_clones = 0;	/* No cloning support */
>   
> -	drm_encoder_init(ddev, encoder, &ltdc_encoder_funcs,
> -			 DRM_MODE_ENCODER_DPI, NULL);
> +	drm_simple_encoder_init(ddev, encoder, DRM_MODE_ENCODER_DPI);
>   
>   	drm_encoder_helper_add(encoder, &ltdc_encoder_helper_funcs);
>   

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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