On Fri, 7 Mar 2014 16:03:17 -0800
Matt Roper <matthew.d.roper@xxxxxxxxx> wrote:
> Add a plane type property to allow userspace to distinguish plane types.
> The type of the plane will now be established at drm_plane_init() time
> (replacing the 'priv' parameter previously used).
>
> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
> drivers/gpu/drm/armada/armada_overlay.c | 3 +-
> drivers/gpu/drm/drm_crtc.c | 65 ++++++++++++++++++++----------
> drivers/gpu/drm/exynos/exynos_drm_plane.c | 4 +-
> drivers/gpu/drm/i915/intel_sprite.c | 2 +-
> drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c | 4 +-
> drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 3 +-
> drivers/gpu/drm/nouveau/dispnv04/overlay.c | 4 +-
> drivers/gpu/drm/omapdrm/omap_plane.c | 4 +-
> drivers/gpu/drm/rcar-du/rcar_du_plane.c | 3 +-
> drivers/gpu/drm/shmobile/shmob_drm_plane.c | 2 +-
> drivers/gpu/drm/tegra/dc.c | 3 +-
> drivers/staging/imx-drm/ipuv3-plane.c | 4 +-
> include/drm/drm_crtc.h | 3 +-
> 13 files changed, 69 insertions(+), 35 deletions(-)
>
> diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c
> index c5b06fd..ef68c42 100644
> --- a/drivers/gpu/drm/armada/armada_overlay.c
> +++ b/drivers/gpu/drm/armada/armada_overlay.c
> @@ -444,7 +444,8 @@ int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
> dplane);
>
> drm_plane_init(dev, &dplane->base, crtcs, &armada_plane_funcs,
> - armada_formats, ARRAY_SIZE(armada_formats), false);
> + armada_formats, ARRAY_SIZE(armada_formats),
> + DRM_PLANE_TYPE_OVERLAY);
>
> dplane->prop.colorkey_yr = 0xfefefe00;
> dplane->prop.colorkey_ug = 0x01010100;
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 93fc2dd..5b9b512 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -114,6 +114,15 @@ static const struct drm_prop_enum_list drm_dpms_enum_list[] =
>
> DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
>
> +static const struct drm_prop_enum_list drm_plane_type_enum_list[] =
> +{
> + { DRM_PLANE_TYPE_OVERLAY, "Overlay" },
> + { DRM_PLANE_TYPE_PRIMARY, "Primary" },
> + { DRM_PLANE_TYPE_CURSOR, "Cursor" },
> +};
> +
> +DRM_ENUM_NAME_FN(drm_get_plane_type, drm_plane_type_enum_list)
> +
> /*
> * Optional properties
> */
> @@ -928,7 +937,7 @@ EXPORT_SYMBOL(drm_encoder_cleanup);
> * @funcs: callbacks for the new plane
> * @formats: array of supported formats (%DRM_FORMAT_*)
> * @format_count: number of elements in @formats
> - * @priv: plane is private (hidden from userspace)?
> + * @type: type of plane (overlay, primary, cursor)
> *
> * Inits a new object created as base part of a driver plane object.
> *
> @@ -939,7 +948,7 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
> unsigned long possible_crtcs,
> const struct drm_plane_funcs *funcs,
> const uint32_t *formats, uint32_t format_count,
> - bool priv)
> + enum drm_plane_type type)
> {
> int ret;
>
> @@ -964,20 +973,16 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
> memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
> plane->format_count = format_count;
> plane->possible_crtcs = possible_crtcs;
> - plane->type = DRM_PLANE_TYPE_OVERLAY;
> + plane->type = type;
>
> - /* private planes are not exposed to userspace, but depending on
> - * display hardware, might be convenient to allow sharing programming
> - * for the scanout engine with the crtc implementation.
> - */
> - if (!priv) {
> - list_add_tail(&plane->head, &dev->mode_config.plane_list);
> - dev->mode_config.num_total_plane++;
> - if (plane->type == DRM_PLANE_TYPE_OVERLAY)
> - dev->mode_config.num_overlay_plane++;
> - } else {
> - INIT_LIST_HEAD(&plane->head);
> - }
> + list_add_tail(&plane->head, &dev->mode_config.plane_list);
> + dev->mode_config.num_total_plane++;
> + if (plane->type == DRM_PLANE_TYPE_OVERLAY)
> + dev->mode_config.num_overlay_plane++;
> +
> + drm_object_attach_property(&plane->base,
> + dev->mode_config.plane_type_property,
> + plane->type);
>
> out:
> drm_modeset_unlock_all(dev);
> @@ -1001,13 +1006,13 @@ void drm_plane_cleanup(struct drm_plane *plane)
> drm_modeset_lock_all(dev);
> kfree(plane->format_types);
> drm_mode_object_put(dev, &plane->base);
> - /* if not added to a list, it must be a private plane */
> - if (!list_empty(&plane->head)) {
> - list_del(&plane->head);
> - dev->mode_config.num_total_plane--;
> - if (plane->type == DRM_PLANE_TYPE_OVERLAY)
> - dev->mode_config.num_overlay_plane--;
> - }
> +
> + BUG_ON(list_empty(&plane->head));
> +
> + list_del(&plane->head);
> + dev->mode_config.num_total_plane--;
> + if (plane->type == DRM_PLANE_TYPE_OVERLAY)
> + dev->mode_config.num_overlay_plane--;
> drm_modeset_unlock_all(dev);
> }
> EXPORT_SYMBOL(drm_plane_cleanup);
> @@ -1357,6 +1362,21 @@ static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
> return 0;
> }
>
> +static int drm_mode_create_standard_plane_properties(struct drm_device *dev)
> +{
> + struct drm_property *type;
> +
> + /*
> + * Standard properties (apply to all planes)
> + */
> + type = drm_property_create_enum(dev, 0,
> + "TYPE", drm_plane_type_enum_list,
> + ARRAY_SIZE(drm_plane_type_enum_list));
Should this property be created with DRM_MODE_PROP_IMMUTABLE set? What
happens if user space tries to change this property to a different type?
> + dev->mode_config.plane_type_property = type;
> +
> + return 0;
> +}
> +
> /**
> * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
> * @dev: DRM device
> @@ -4277,6 +4297,7 @@ void drm_mode_config_init(struct drm_device *dev)
>
> drm_modeset_lock_all(dev);
> drm_mode_create_standard_connector_properties(dev);
> + drm_mode_create_standard_plane_properties(dev);
> drm_modeset_unlock_all(dev);
>
> /* Just to be sure */
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
> index fcb0652..7943dd3 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
> @@ -263,14 +263,16 @@ struct drm_plane *exynos_plane_init(struct drm_device *dev,
> {
> struct exynos_plane *exynos_plane;
> int err;
> + enum drm_plane_type type;
>
> exynos_plane = kzalloc(sizeof(struct exynos_plane), GFP_KERNEL);
> if (!exynos_plane)
> return NULL;
>
> + type = priv ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
> err = drm_plane_init(dev, &exynos_plane->base, possible_crtcs,
> &exynos_plane_funcs, formats, ARRAY_SIZE(formats),
> - priv);
> + type);
> if (err) {
> DRM_ERROR("failed to initialize plane\n");
> kfree(exynos_plane);
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 336ae6c..630485c 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1145,7 +1145,7 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
> ret = drm_plane_init(dev, &intel_plane->base, possible_crtcs,
> &intel_plane_funcs,
> plane_formats, num_plane_formats,
> - false);
> + DRM_PLANE_TYPE_OVERLAY);
> if (ret)
> kfree(intel_plane);
>
> diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
> index 1e893dd..afa9c67 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
> @@ -222,6 +222,7 @@ struct drm_plane *mdp4_plane_init(struct drm_device *dev,
> struct drm_plane *plane = NULL;
> struct mdp4_plane *mdp4_plane;
> int ret;
> + enum drm_plane_type type;
>
> mdp4_plane = kzalloc(sizeof(*mdp4_plane), GFP_KERNEL);
> if (!mdp4_plane) {
> @@ -237,9 +238,10 @@ struct drm_plane *mdp4_plane_init(struct drm_device *dev,
> mdp4_plane->nformats = mdp4_get_formats(pipe_id, mdp4_plane->formats,
> ARRAY_SIZE(mdp4_plane->formats));
>
> + type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
> drm_plane_init(dev, plane, 0xff, &mdp4_plane_funcs,
> mdp4_plane->formats, mdp4_plane->nformats,
> - private_plane);
> + type);
>
> mdp4_plane_install_properties(plane, &plane->base);
>
> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> index 0ac8bb5..faf179c 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> @@ -373,9 +373,10 @@ struct drm_plane *mdp5_plane_init(struct drm_device *dev,
> mdp5_plane->nformats = mdp5_get_formats(pipe, mdp5_plane->formats,
> ARRAY_SIZE(mdp5_plane->formats));
>
> + type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
> drm_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
> mdp5_plane->formats, mdp5_plane->nformats,
> - private_plane);
> + type);
>
> mdp5_plane_install_properties(plane, &plane->base);
>
> diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> index ab03f77..0b4f35d 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> @@ -276,7 +276,7 @@ nv10_overlay_init(struct drm_device *device)
>
> ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */,
> &nv10_plane_funcs,
> - formats, num_formats, false);
> + formats, num_formats, DRM_PLANE_TYPE_OVERLAY);
> if (ret)
> goto err;
>
> @@ -456,7 +456,7 @@ nv04_overlay_init(struct drm_device *device)
>
> ret = drm_plane_init(device, &plane->base, 1 /* single crtc */,
> &nv04_plane_funcs,
> - formats, 2, false);
> + formats, 2, DRM_PLANE_TYPE_OVERLAY);
> if (ret)
> goto err;
>
> diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
> index 046d5e6..d4179b2 100644
> --- a/drivers/gpu/drm/omapdrm/omap_plane.c
> +++ b/drivers/gpu/drm/omapdrm/omap_plane.c
> @@ -384,6 +384,7 @@ struct drm_plane *omap_plane_init(struct drm_device *dev,
> struct omap_plane *omap_plane;
> struct omap_overlay_info *info;
> int ret;
> + enum drm_plane_type type;
>
> DBG("%s: priv=%d", plane_names[id], private_plane);
>
> @@ -413,8 +414,9 @@ struct drm_plane *omap_plane_init(struct drm_device *dev,
> omap_plane->error_irq.irq = omap_plane_error_irq;
> omap_irq_register(dev, &omap_plane->error_irq);
>
> + type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
> drm_plane_init(dev, plane, (1 << priv->num_crtcs) - 1, &omap_plane_funcs,
> - omap_plane->formats, omap_plane->nformats, private_plane);
> + omap_plane->formats, omap_plane->nformats, type);
>
> omap_plane_install_properties(plane, &plane->base);
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> index 3fb69d9..27f1531 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> @@ -499,7 +499,8 @@ int rcar_du_planes_register(struct rcar_du_group *rgrp)
>
> ret = drm_plane_init(rcdu->ddev, &plane->plane, crtcs,
> &rcar_du_plane_funcs, formats,
> - ARRAY_SIZE(formats), false);
> + ARRAY_SIZE(formats),
> + DRM_PLANE_TYPE_OVERLAY);
> if (ret < 0)
> return ret;
>
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> index 060ae03..2b03fff 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> @@ -257,7 +257,7 @@ int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index)
>
> ret = drm_plane_init(sdev->ddev, &splane->plane, 1,
> &shmob_drm_plane_funcs, formats,
> - ARRAY_SIZE(formats), false);
> + ARRAY_SIZE(formats), DRM_PLANE_TYPE_OVERLAY);
>
> return ret;
> }
> diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
> index 9336006..76e5b22 100644
> --- a/drivers/gpu/drm/tegra/dc.c
> +++ b/drivers/gpu/drm/tegra/dc.c
> @@ -137,7 +137,8 @@ static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc)
>
> err = drm_plane_init(drm, &plane->base, 1 << dc->pipe,
> &tegra_plane_funcs, plane_formats,
> - ARRAY_SIZE(plane_formats), false);
> + ARRAY_SIZE(plane_formats),
> + DRM_PLANE_TYPE_OVERLAY);
> if (err < 0) {
> kfree(plane);
> return err;
> diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c
> index 34b642a..7975369 100644
> --- a/drivers/staging/imx-drm/ipuv3-plane.c
> +++ b/drivers/staging/imx-drm/ipuv3-plane.c
> @@ -355,6 +355,7 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
> {
> struct ipu_plane *ipu_plane;
> int ret;
> + enum drm_plane_type type;
>
> DRM_DEBUG_KMS("channel %d, dp flow %d, possible_crtcs=0x%x\n",
> dma, dp, possible_crtcs);
> @@ -369,10 +370,11 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
> ipu_plane->dma = dma;
> ipu_plane->dp_flow = dp;
>
> + type = priv ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
> ret = drm_plane_init(dev, &ipu_plane->base, possible_crtcs,
> &ipu_plane_funcs, ipu_plane_formats,
> ARRAY_SIZE(ipu_plane_formats),
> - priv);
> + type);
> if (ret) {
> DRM_ERROR("failed to initialize plane\n");
> kfree(ipu_plane);
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 6ecfc9d..d8a1dc8 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -976,6 +976,7 @@ struct drm_mode_config {
> struct list_head property_blob_list;
> struct drm_property *edid_property;
> struct drm_property *dpms_property;
> + struct drm_property *plane_type_property;
>
> /* DVI-I properties */
> struct drm_property *dvi_i_subconnector_property;
> @@ -1084,7 +1085,7 @@ extern int drm_plane_init(struct drm_device *dev,
> unsigned long possible_crtcs,
> const struct drm_plane_funcs *funcs,
> const uint32_t *formats, uint32_t format_count,
> - bool priv);
> + enum drm_plane_type type);
> extern void drm_plane_cleanup(struct drm_plane *plane);
> extern void drm_plane_force_disable(struct drm_plane *plane);
>
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