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Message-ID: <20180109133154.321e0f66@bbrezillon>
Date: Tue, 9 Jan 2018 13:31:54 +0100
From: Boris Brezillon <boris.brezillon@...e-electrons.com>
To: Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc: Chen-Yu Tsai <wens@...e.org>,
Daniel Vetter <daniel.vetter@...el.com>,
Jani Nikula <jani.nikula@...ux.intel.com>,
Sean Paul <seanpaul@...omium.org>,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
thomas@...sch.nl
Subject: Re: [PATCH 07/19] drm/atmel-hclcdc: Convert to the new generic
alpha property
On Tue, 9 Jan 2018 11:56:26 +0100
Maxime Ripard <maxime.ripard@...e-electrons.com> wrote:
> Now that we have support for per-plane alpha in the core, let's use it.
>
> Cc: Boris Brezillon <boris.brezillon@...e-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> ---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 13 +---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 89 ++----------------
> 2 files changed, 14 insertions(+), 88 deletions(-)
>
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> index 6833ee253cfa..704cac6399eb 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> @@ -298,7 +298,6 @@ struct atmel_hlcdc_layer {
> struct atmel_hlcdc_plane {
> struct drm_plane base;
> struct atmel_hlcdc_layer layer;
> - struct atmel_hlcdc_plane_properties *properties;
> };
>
> static inline struct atmel_hlcdc_plane *
> @@ -345,18 +344,6 @@ struct atmel_hlcdc_dc_desc {
> };
>
> /**
> - * Atmel HLCDC Plane properties.
> - *
> - * This structure stores plane property definitions.
> - *
> - * @alpha: alpha blending (or transparency) property
> - * @rotation: rotation property
> - */
> -struct atmel_hlcdc_plane_properties {
> - struct drm_property *alpha;
> -};
> -
> -/**
> * Atmel HLCDC Display Controller.
> *
> * @desc: HLCDC Display Controller description
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> index 1a9318810a29..dbc508889e87 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> @@ -31,7 +31,6 @@
> * @src_y: y buffer position
> * @src_w: buffer width
> * @src_h: buffer height
> - * @alpha: alpha blending of the plane
> * @disc_x: x discard position
> * @disc_y: y discard position
> * @disc_w: discard width
> @@ -54,8 +53,6 @@ struct atmel_hlcdc_plane_state {
> uint32_t src_w;
> uint32_t src_h;
>
> - u8 alpha;
> -
> int disc_x;
> int disc_y;
> int disc_w;
> @@ -385,7 +382,7 @@ atmel_hlcdc_plane_update_general_settings(struct atmel_hlcdc_plane *plane,
> cfg |= ATMEL_HLCDC_LAYER_LAEN;
> else
> cfg |= ATMEL_HLCDC_LAYER_GAEN |
> - ATMEL_HLCDC_LAYER_GA(state->alpha);
> + ATMEL_HLCDC_LAYER_GA(state->base.alpha);
> }
>
> if (state->disc_h && state->disc_w)
> @@ -553,7 +550,7 @@ atmel_hlcdc_plane_prepare_disc_area(struct drm_crtc_state *c_state)
>
> if (!ovl_s->fb ||
> drm_format_has_alpha(ovl_s->fb->format->format) ||
> - ovl_state->alpha != 255)
> + ovl_s->alpha != 255)
> continue;
>
> /* TODO: implement a smarter hidden area detection */
> @@ -829,51 +826,18 @@ static void atmel_hlcdc_plane_destroy(struct drm_plane *p)
> drm_plane_cleanup(p);
> }
>
> -static int atmel_hlcdc_plane_atomic_set_property(struct drm_plane *p,
> - struct drm_plane_state *s,
> - struct drm_property *property,
> - uint64_t val)
> -{
> - struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
> - struct atmel_hlcdc_plane_properties *props = plane->properties;
> - struct atmel_hlcdc_plane_state *state =
> - drm_plane_state_to_atmel_hlcdc_plane_state(s);
> -
> - if (property == props->alpha)
> - state->alpha = val;
> - else
> - return -EINVAL;
> -
> - return 0;
> -}
> -
> -static int atmel_hlcdc_plane_atomic_get_property(struct drm_plane *p,
> - const struct drm_plane_state *s,
> - struct drm_property *property,
> - uint64_t *val)
> -{
> - struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
> - struct atmel_hlcdc_plane_properties *props = plane->properties;
> - const struct atmel_hlcdc_plane_state *state =
> - container_of(s, const struct atmel_hlcdc_plane_state, base);
> -
> - if (property == props->alpha)
> - *val = state->alpha;
> - else
> - return -EINVAL;
> -
> - return 0;
> -}
> -
> -static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
> - struct atmel_hlcdc_plane_properties *props)
> +static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane)
> {
> const struct atmel_hlcdc_layer_desc *desc = plane->layer.desc;
>
> if (desc->type == ATMEL_HLCDC_OVERLAY_LAYER ||
> - desc->type == ATMEL_HLCDC_CURSOR_LAYER)
> - drm_object_attach_property(&plane->base.base,
> - props->alpha, 255);
> + desc->type == ATMEL_HLCDC_CURSOR_LAYER) {
> + int ret;
> +
> + ret = drm_plane_create_alpha_property(&plane->base, 255);
> + if (ret)
> + return ret;
> + }
>
> if (desc->layout.xstride && desc->layout.pstride) {
> int ret;
> @@ -988,8 +952,8 @@ static void atmel_hlcdc_plane_reset(struct drm_plane *p)
> return;
> }
>
> - state->alpha = 255;
> p->state = &state->base;
> + p->state->alpha = 255;
> p->state->plane = p;
> }
> }
> @@ -1042,13 +1006,10 @@ static const struct drm_plane_funcs layer_plane_funcs = {
> .reset = atmel_hlcdc_plane_reset,
> .atomic_duplicate_state = atmel_hlcdc_plane_atomic_duplicate_state,
> .atomic_destroy_state = atmel_hlcdc_plane_atomic_destroy_state,
> - .atomic_set_property = atmel_hlcdc_plane_atomic_set_property,
> - .atomic_get_property = atmel_hlcdc_plane_atomic_get_property,
> };
>
> static int atmel_hlcdc_plane_create(struct drm_device *dev,
> - const struct atmel_hlcdc_layer_desc *desc,
> - struct atmel_hlcdc_plane_properties *props)
> + const struct atmel_hlcdc_layer_desc *desc)
> {
> struct atmel_hlcdc_dc *dc = dev->dev_private;
> struct atmel_hlcdc_plane *plane;
> @@ -1060,7 +1021,6 @@ static int atmel_hlcdc_plane_create(struct drm_device *dev,
> return -ENOMEM;
>
> atmel_hlcdc_layer_init(&plane->layer, desc, dc->hlcdc->regmap);
> - plane->properties = props;
>
> if (desc->type == ATMEL_HLCDC_BASE_LAYER)
> type = DRM_PLANE_TYPE_PRIMARY;
> @@ -1081,7 +1041,7 @@ static int atmel_hlcdc_plane_create(struct drm_device *dev,
> &atmel_hlcdc_layer_plane_helper_funcs);
>
> /* Set default property values*/
> - ret = atmel_hlcdc_plane_init_properties(plane, props);
> + ret = atmel_hlcdc_plane_init_properties(plane);
> if (ret)
> return ret;
>
> @@ -1090,34 +1050,13 @@ static int atmel_hlcdc_plane_create(struct drm_device *dev,
> return 0;
> }
>
> -static struct atmel_hlcdc_plane_properties *
> -atmel_hlcdc_plane_create_properties(struct drm_device *dev)
> -{
> - struct atmel_hlcdc_plane_properties *props;
> -
> - props = devm_kzalloc(dev->dev, sizeof(*props), GFP_KERNEL);
> - if (!props)
> - return ERR_PTR(-ENOMEM);
> -
> - props->alpha = drm_property_create_range(dev, 0, "alpha", 0, 255);
> - if (!props->alpha)
> - return ERR_PTR(-ENOMEM);
> -
> - return props;
> -}
> -
> int atmel_hlcdc_create_planes(struct drm_device *dev)
> {
> struct atmel_hlcdc_dc *dc = dev->dev_private;
> - struct atmel_hlcdc_plane_properties *props;
> const struct atmel_hlcdc_layer_desc *descs = dc->desc->layers;
> int nlayers = dc->desc->nlayers;
> int i, ret;
>
> - props = atmel_hlcdc_plane_create_properties(dev);
> - if (IS_ERR(props))
> - return PTR_ERR(props);
> -
> dc->dscrpool = dmam_pool_create("atmel-hlcdc-dscr", dev->dev,
> sizeof(struct atmel_hlcdc_dma_channel_dscr),
> sizeof(u64), 0);
> @@ -1130,7 +1069,7 @@ int atmel_hlcdc_create_planes(struct drm_device *dev)
> descs[i].type != ATMEL_HLCDC_CURSOR_LAYER)
> continue;
>
> - ret = atmel_hlcdc_plane_create(dev, &descs[i], props);
> + ret = atmel_hlcdc_plane_create(dev, &descs[i]);
> if (ret)
> return ret;
> }
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