Re: [PATCH 08/19] drm/rcar-du: Convert to the new generic alpha property

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Hi Maxime,

Thank you for the patch.

On Tuesday, 9 January 2018 12:56:27 EET Maxime Ripard wrote:
> Now that we have support for per-plane alpha in the core, let's use it.
> 
> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_drv.h   |  1 +-
>  drivers/gpu/drm/rcar-du/rcar_du_kms.c   |  5 +---
>  drivers/gpu/drm/rcar-du/rcar_du_plane.c | 15 +++------
>  drivers/gpu/drm/rcar-du/rcar_du_plane.h |  2 +-
>  drivers/gpu/drm/rcar-du/rcar_du_vsp.c   | 42 ++------------------------
>  drivers/gpu/drm/rcar-du/rcar_du_vsp.h   |  2 +-
>  6 files changed, 9 insertions(+), 58 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index f8cd79488ece..aff04adaae53
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> @@ -89,7 +89,6 @@ struct rcar_du_device {
>  	struct rcar_du_vsp vsps[RCAR_DU_MAX_VSPS];
> 
>  	struct {
> -		struct drm_property *alpha;
>  		struct drm_property *colorkey;
>  	} props;
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 566d1a948c8f..e1b5a7b460cc
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> @@ -417,11 +417,6 @@ static int rcar_du_encoders_init(struct rcar_du_device
> *rcdu)
> 
>  static int rcar_du_properties_init(struct rcar_du_device *rcdu)
>  {
> -	rcdu->props.alpha =
> -		drm_property_create_range(rcdu->ddev, 0, "alpha", 0, 255);
> -	if (rcdu->props.alpha == NULL)
> -		return -ENOMEM;
> -
>  	/*
>  	 * The color key is expressed as an RGB888 triplet stored in a 32-bit
>  	 * integer in XRGB8888 format. Bit 24 is used as a flag to disable (0)
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> b/drivers/gpu/drm/rcar-du/rcar_du_plane.c index 61833cc1c699..5b34e8092c8b
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> @@ -423,7 +423,7 @@ static void rcar_du_plane_setup_mode(struct
> rcar_du_group *rgrp, rcar_du_plane_write(rgrp, index, PnALPHAR,
> PnALPHAR_ABIT_0);
>  	else
>  		rcar_du_plane_write(rgrp, index, PnALPHAR,
> -				    PnALPHAR_ABIT_X | state->alpha);
> +				    PnALPHAR_ABIT_X | state->state.alpha);
> 
>  	pnmr = PnMR_BM_MD | state->format->pnmr;
> 
> @@ -667,11 +667,11 @@ static void rcar_du_plane_reset(struct drm_plane
> *plane)
> 
>  	state->hwindex = -1;
>  	state->source = RCAR_DU_PLANE_MEMORY;
> -	state->alpha = 255;
>  	state->colorkey = RCAR_DU_COLORKEY_NONE;
>  	state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
> 
>  	plane->state = &state->state;
> +	plane->state->alpha = 255;
>  	plane->state->plane = plane;
>  }
> 
> @@ -683,9 +683,7 @@ static int rcar_du_plane_atomic_set_property(struct
> drm_plane *plane, struct rcar_du_plane_state *rstate =
> to_rcar_plane_state(state); struct rcar_du_device *rcdu =
> to_rcar_plane(plane)->group->dev;
> 
> -	if (property == rcdu->props.alpha)
> -		rstate->alpha = val;
> -	else if (property == rcdu->props.colorkey)
> +	if (property == rcdu->props.colorkey)
>  		rstate->colorkey = val;
>  	else
>  		return -EINVAL;
> @@ -701,9 +699,7 @@ static int rcar_du_plane_atomic_get_property(struct
> drm_plane *plane, container_of(state, const struct rcar_du_plane_state,
> state);
>  	struct rcar_du_device *rcdu = to_rcar_plane(plane)->group->dev;
> 
> -	if (property == rcdu->props.alpha)
> -		*val = rstate->alpha;
> -	else if (property == rcdu->props.colorkey)
> +	if (property == rcdu->props.colorkey)
>  		*val = rstate->colorkey;
>  	else
>  		return -EINVAL;
> @@ -772,10 +768,9 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp)
>  			continue;
> 
>  		drm_object_attach_property(&plane->plane.base,
> -					   rcdu->props.alpha, 255);
> -		drm_object_attach_property(&plane->plane.base,
>  					   rcdu->props.colorkey,
>  					   RCAR_DU_COLORKEY_NONE);
> +		drm_plane_create_alpha_property(&plane->plane, 255);
>  		drm_plane_create_zpos_property(&plane->plane, 1, 1, 7);
>  	}
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h
> b/drivers/gpu/drm/rcar-du/rcar_du_plane.h index f62e09f195de..2dc793ebd1a2
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
> @@ -50,7 +50,6 @@ static inline struct rcar_du_plane *to_rcar_plane(struct
> drm_plane *plane) * @state: base DRM plane state
>   * @format: information about the pixel format used by the plane
>   * @hwindex: 0-based hardware plane index, -1 means unused
> - * @alpha: value of the plane alpha property
>   * @colorkey: value of the plane colorkey property
>   */
>  struct rcar_du_plane_state {
> @@ -60,7 +59,6 @@ struct rcar_du_plane_state {
>  	int hwindex;
>  	enum rcar_du_plane_source source;
> 
> -	unsigned int alpha;
>  	unsigned int colorkey;
>  };
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 2c96147bc444..ee85f6fdffad
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -54,6 +54,7 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
>  	};
>  	struct rcar_du_plane_state state = {
>  		.state = {
> +			.alpha = 255,
>  			.crtc = &crtc->crtc,
>  			.crtc_x = 0,
>  			.crtc_y = 0,
> @@ -67,7 +68,6 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
>  		},
>  		.format = rcar_du_format_info(DRM_FORMAT_ARGB8888),
>  		.source = RCAR_DU_PLANE_VSPD1,
> -		.alpha = 255,
>  		.colorkey = 0,
>  	};
> 
> @@ -173,7 +173,7 @@ static void rcar_du_vsp_plane_setup(struct
> rcar_du_vsp_plane *plane) struct vsp1_du_atomic_config cfg = {
>  		.pixelformat = 0,
>  		.pitch = fb->pitches[0],
> -		.alpha = state->alpha,
> +		.alpha = state->state.alpha,
>  		.zpos = state->state.zpos,
>  	};
>  	unsigned int i;
> @@ -351,44 +351,13 @@ static void rcar_du_vsp_plane_reset(struct drm_plane
> *plane) if (state == NULL)
>  		return;
> 
> -	state->alpha = 255;
> +	state->state.alpha = 255;
>  	state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
> 
>  	plane->state = &state->state;
>  	plane->state->plane = plane;
>  }
> 
> -static int rcar_du_vsp_plane_atomic_set_property(struct drm_plane *plane,
> -	struct drm_plane_state *state, struct drm_property *property,
> -	uint64_t val)
> -{
> -	struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
> -	struct rcar_du_device *rcdu = to_rcar_vsp_plane(plane)->vsp->dev;
> -
> -	if (property == rcdu->props.alpha)
> -		rstate->alpha = val;
> -	else
> -		return -EINVAL;
> -
> -	return 0;
> -}
> -
> -static int rcar_du_vsp_plane_atomic_get_property(struct drm_plane *plane,
> -	const struct drm_plane_state *state, struct drm_property *property,
> -	uint64_t *val)
> -{
> -	const struct rcar_du_vsp_plane_state *rstate =
> -		container_of(state, const struct rcar_du_vsp_plane_state, state);
> -	struct rcar_du_device *rcdu = to_rcar_vsp_plane(plane)->vsp->dev;
> -
> -	if (property == rcdu->props.alpha)
> -		*val = rstate->alpha;
> -	else
> -		return -EINVAL;
> -
> -	return 0;
> -}
> -
>  static const struct drm_plane_funcs rcar_du_vsp_plane_funcs = {
>  	.update_plane = drm_atomic_helper_update_plane,
>  	.disable_plane = drm_atomic_helper_disable_plane,
> @@ -396,8 +365,6 @@ static const struct drm_plane_funcs
> rcar_du_vsp_plane_funcs = { .destroy = drm_plane_cleanup,
>  	.atomic_duplicate_state = rcar_du_vsp_plane_atomic_duplicate_state,
>  	.atomic_destroy_state = rcar_du_vsp_plane_atomic_destroy_state,
> -	.atomic_set_property = rcar_du_vsp_plane_atomic_set_property,
> -	.atomic_get_property = rcar_du_vsp_plane_atomic_get_property,
>  };
> 
>  int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
> @@ -454,8 +421,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct
> device_node *np, if (type == DRM_PLANE_TYPE_PRIMARY)
>  			continue;
> 
> -		drm_object_attach_property(&plane->plane.base,
> -					   rcdu->props.alpha, 255);
> +		drm_plane_create_alpha_property(&plane->plane, 255);
>  		drm_plane_create_zpos_property(&plane->plane, 1, 1,
>  					       vsp->num_planes - 1);
>  	}
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
> b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h index f876c512163c..8b19914761e4
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
> @@ -44,7 +44,6 @@ static inline struct rcar_du_vsp_plane
> *to_rcar_vsp_plane(struct drm_plane *p) * @state: base DRM plane state
>   * @format: information about the pixel format used by the plane
>   * @sg_tables: scatter-gather tables for the frame buffer memory
> - * @alpha: value of the plane alpha property
>   * @zpos: value of the plane zpos property
>   */
>  struct rcar_du_vsp_plane_state {
> @@ -53,7 +52,6 @@ struct rcar_du_vsp_plane_state {
>  	const struct rcar_du_format_info *format;
>  	struct sg_table sg_tables[3];
> 
> -	unsigned int alpha;
>  	unsigned int zpos;
>  };

-- 
Regards,

Laurent Pinchart

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