From: Marek Szyprowski Date: Wed, 16 Dec 2015 12:21:43 +0000 (+0100) Subject: drm/exynos: make zpos property configurable X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0ea724056262c2e29ac88c73bdf663412fed1ec3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/exynos: make zpos property configurable This patch adds all infrastructure to make zpos plane property configurable from userspace. Signed-off-by: Marek Szyprowski Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 588b6763f9c7..f0827dbebb7d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -64,6 +64,7 @@ struct exynos_drm_plane_state { struct exynos_drm_rect src; unsigned int h_ratio; unsigned int v_ratio; + unsigned int zpos; }; static inline struct exynos_drm_plane_state * @@ -91,11 +92,12 @@ struct exynos_drm_plane { #define EXYNOS_DRM_PLANE_CAP_DOUBLE (1 << 0) #define EXYNOS_DRM_PLANE_CAP_SCALE (1 << 1) +#define EXYNOS_DRM_PLANE_CAP_ZPOS (1 << 2) /* * Exynos DRM plane configuration structure. * - * @zpos: z-position of the plane. + * @zpos: initial z-position of the plane. * @type: type of the plane (primary, cursor or overlay). * @pixel_formats: supported pixel formats. * @num_pixel_formats: number of elements in 'pixel_formats'. diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index e45730ad67f2..d86227236f55 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -124,6 +124,7 @@ static void exynos_plane_mode_set(struct exynos_drm_plane_state *exynos_state) static void exynos_drm_plane_reset(struct drm_plane *plane) { + struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); struct exynos_drm_plane_state *exynos_state; if (plane->state) { @@ -136,6 +137,7 @@ static void exynos_drm_plane_reset(struct drm_plane *plane) exynos_state = kzalloc(sizeof(*exynos_state), GFP_KERNEL); if (exynos_state) { + exynos_state->zpos = exynos_plane->config->zpos; plane->state = &exynos_state->base; plane->state->plane = plane; } @@ -153,6 +155,7 @@ exynos_drm_plane_duplicate_state(struct drm_plane *plane) return NULL; __drm_atomic_helper_plane_duplicate_state(plane, ©->base); + copy->zpos = exynos_state->zpos; return ©->base; } @@ -165,13 +168,53 @@ static void exynos_drm_plane_destroy_state(struct drm_plane *plane, kfree(old_exynos_state); } +static int exynos_drm_plane_atomic_set_property(struct drm_plane *plane, + struct drm_plane_state *state, + struct drm_property *property, + uint64_t val) +{ + struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); + struct exynos_drm_plane_state *exynos_state = + to_exynos_plane_state(state); + struct exynos_drm_private *dev_priv = plane->dev->dev_private; + const struct exynos_drm_plane_config *config = exynos_plane->config; + + if (property == dev_priv->plane_zpos_property && + (config->capabilities & EXYNOS_DRM_PLANE_CAP_ZPOS)) + exynos_state->zpos = val; + else + return -EINVAL; + + return 0; +} + +static int exynos_drm_plane_atomic_get_property(struct drm_plane *plane, + const struct drm_plane_state *state, + struct drm_property *property, + uint64_t *val) +{ + const struct exynos_drm_plane_state *exynos_state = + container_of(state, const struct exynos_drm_plane_state, base); + struct exynos_drm_private *dev_priv = plane->dev->dev_private; + + if (property == dev_priv->plane_zpos_property) + *val = exynos_state->zpos; + else + return -EINVAL; + + return 0; +} + static struct drm_plane_funcs exynos_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = drm_plane_cleanup, + .set_property = drm_atomic_helper_plane_set_property, .reset = exynos_drm_plane_reset, .atomic_duplicate_state = exynos_drm_plane_duplicate_state, .atomic_destroy_state = exynos_drm_plane_destroy_state, + .atomic_set_property = exynos_drm_plane_atomic_set_property, + .atomic_get_property = exynos_drm_plane_atomic_get_property, }; static int @@ -267,8 +310,8 @@ static void exynos_plane_attach_zpos_property(struct drm_plane *plane, prop = dev_priv->plane_zpos_property; if (!prop) { - prop = drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, - "zpos", 0, MAX_PLANE - 1); + prop = drm_property_create_range(dev, 0, "zpos", + 0, MAX_PLANE - 1); if (!prop) return; @@ -301,9 +344,7 @@ int exynos_plane_init(struct drm_device *dev, exynos_plane->index = index; exynos_plane->config = config; - if (config->type == DRM_PLANE_TYPE_OVERLAY) - exynos_plane_attach_zpos_property(&exynos_plane->base, - config->zpos); + exynos_plane_attach_zpos_property(&exynos_plane->base, config->zpos); return 0; }