On Tue, Dec 20, 2016 at 7:12 PM, Kristian H. Kristensen
<hoegsberg@xxxxxxxxx> wrote:
> From: "Kristian H. Kristensen" <hoegsberg@xxxxxxxxxx>
>
> This new ioctl exctends DRM_IOCTL_MODE_GETPLANE, by returning
> information about the modifiers that will work with each format.
So, just to toss out a completely different idea..
What if instead of a new ioctl, we had a read-only blob property
(which encoded the info basically the same way, plus the fourcc's)?
If we do writeback via some sort of OUT_FB_ID property on plane/crtc,
we will need the same sort of format information so userspace knows
what output formats (and modifiers) are supported. So re-using the
same blob property layout (and userspace parsing) seems useful.
BR,
-R
> Signed-off-by: Kristian H. Kristensen <hoegsberg@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/arm/hdlcd_crtc.c | 1 +
> drivers/gpu/drm/armada/armada_crtc.c | 1 +
> drivers/gpu/drm/armada/armada_overlay.c | 1 +
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 4 ++-
> drivers/gpu/drm/drm_ioctl.c | 2 +-
> drivers/gpu/drm/drm_modeset_helper.c | 1 +
> drivers/gpu/drm/drm_plane.c | 40 +++++++++++++++++++++++--
> drivers/gpu/drm/drm_simple_kms_helper.c | 5 ++++
> drivers/gpu/drm/exynos/exynos_drm_plane.c | 2 +-
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 2 +-
> drivers/gpu/drm/i915/intel_display.c | 5 +++-
> drivers/gpu/drm/imx/ipuv3-plane.c | 4 +--
> drivers/gpu/drm/mxsfb/mxsfb_drv.c | 2 +-
> drivers/gpu/drm/nouveau/nv50_display.c | 5 ++--
> drivers/gpu/drm/omapdrm/omap_plane.c | 3 +-
> drivers/gpu/drm/rcar-du/rcar_du_plane.c | 4 +--
> drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 +--
> drivers/gpu/drm/sti/sti_cursor.c | 1 +
> drivers/gpu/drm/sti/sti_gdp.c | 2 +-
> drivers/gpu/drm/sti/sti_hqvdp.c | 2 +-
> drivers/gpu/drm/tegra/dc.c | 12 ++++----
> drivers/gpu/drm/vc4/vc4_plane.c | 2 +-
> drivers/gpu/drm/virtio/virtgpu_plane.c | 2 +-
> include/drm/drm_plane.h | 7 ++++-
> include/drm/drm_simple_kms_helper.h | 2 ++
> include/uapi/drm/drm.h | 1 +
> include/uapi/drm/drm_mode.h | 27 +++++++++++++++++
> 27 files changed, 116 insertions(+), 28 deletions(-)
>
> diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
> index 20ebfb4..6062578 100644
> --- a/drivers/gpu/drm/arm/hdlcd_crtc.c
> +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
> @@ -283,6 +283,7 @@ static struct drm_plane *hdlcd_plane_init(struct drm_device *drm)
>
> ret = drm_universal_plane_init(drm, plane, 0xff, &hdlcd_plane_funcs,
> formats, ARRAY_SIZE(formats),
> + NULL, 0,
> DRM_PLANE_TYPE_PRIMARY, NULL);
> if (ret) {
> devm_kfree(drm->dev, plane);
> diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
> index e62ee44..e1a6170 100644
> --- a/drivers/gpu/drm/armada/armada_crtc.c
> +++ b/drivers/gpu/drm/armada/armada_crtc.c
> @@ -1250,6 +1250,7 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
> &armada_primary_plane_funcs,
> armada_primary_formats,
> ARRAY_SIZE(armada_primary_formats),
> + NULL, 0,
> DRM_PLANE_TYPE_PRIMARY, NULL);
> if (ret) {
> kfree(primary);
> diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c
> index 34cb73d..32fb8f3 100644
> --- a/drivers/gpu/drm/armada/armada_overlay.c
> +++ b/drivers/gpu/drm/armada/armada_overlay.c
> @@ -458,6 +458,7 @@ int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
> &armada_ovl_plane_funcs,
> armada_ovl_formats,
> ARRAY_SIZE(armada_ovl_formats),
> + NULL, 0,
> DRM_PLANE_TYPE_OVERLAY, NULL);
> if (ret) {
> kfree(dplane);
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> index bd2791c..ac9e4db 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> @@ -1038,7 +1038,9 @@ atmel_hlcdc_plane_create(struct drm_device *dev,
> ret = drm_universal_plane_init(dev, &plane->base, 0,
> &layer_plane_funcs,
> desc->formats->formats,
> - desc->formats->nformats, type, NULL);
> + desc->formats->nformats,
> + NULL, 0,
> + type, NULL);
> if (ret)
> return ERR_PTR(ret);
>
> diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
> index 59b6911..9724209 100644
> --- a/drivers/gpu/drm/drm_ioctl.c
> +++ b/drivers/gpu/drm/drm_ioctl.c
> @@ -615,7 +615,7 @@ static const struct drm_ioctl_desc drm_ioctls[] = {
> DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANERESOURCES, drm_mode_getplane_res, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
> DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
> DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
> - DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANE, drm_mode_getplane, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
> + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANE2, drm_mode_getplane, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
> DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPLANE, drm_mode_setplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
> DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
> DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_UNLOCKED),
> diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c
> index b4f3665..94b2717 100644
> --- a/drivers/gpu/drm/drm_modeset_helper.c
> +++ b/drivers/gpu/drm/drm_modeset_helper.c
> @@ -122,6 +122,7 @@ static struct drm_plane *create_primary_plane(struct drm_device *dev)
> &drm_primary_helper_funcs,
> safe_modeset_formats,
> ARRAY_SIZE(safe_modeset_formats),
> + NULL, 0,
> DRM_PLANE_TYPE_PRIMARY, NULL);
> if (ret) {
> kfree(primary);
> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> index 8ad20af..53a9821 100644
> --- a/drivers/gpu/drm/drm_plane.c
> +++ b/drivers/gpu/drm/drm_plane.c
> @@ -70,6 +70,8 @@ static unsigned int drm_num_planes(struct drm_device *dev)
> * @funcs: callbacks for the new plane
> * @formats: array of supported formats (DRM_FORMAT\_\*)
> * @format_count: number of elements in @formats
> + * @format_modifiers: array of struct drm_format modifiers
> + * @format_modifier_count: number of elements in @format_modifiers
> * @type: type of plane (overlay, primary, cursor)
> * @name: printf style format string for the plane name, or NULL for default name
> *
> @@ -82,6 +84,8 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane,
> uint32_t possible_crtcs,
> const struct drm_plane_funcs *funcs,
> const uint32_t *formats, unsigned int format_count,
> + const struct drm_format_modifier *format_modifiers,
> + unsigned int format_modifier_count,
> enum drm_plane_type type,
> const char *name, ...)
> {
> @@ -105,6 +109,16 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane,
> return -ENOMEM;
> }
>
> + plane->format_modifiers =
> + kmalloc_array(format_modifier_count,
> + sizeof(format_modifiers[0]), GFP_KERNEL);
> + if (!plane->format_modifiers) {
> + DRM_DEBUG_KMS("out of memory when allocating plane\n");
> + kfree(plane->format_types);
> + drm_mode_object_unregister(dev, &plane->base);
> + return -ENOMEM;
> + }
> +
> if (name) {
> va_list ap;
>
> @@ -117,12 +131,16 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane,
> }
> if (!plane->name) {
> kfree(plane->format_types);
> + kfree(plane->format_modifiers);
> drm_mode_object_unregister(dev, &plane->base);
> return -ENOMEM;
> }
>
> memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
> plane->format_count = format_count;
> + memcpy(plane->format_modifiers, format_modifiers,
> + format_modifier_count * sizeof(format_modifiers[0]));
> + plane->format_modifier_count = format_modifier_count;
> plane->possible_crtcs = possible_crtcs;
> plane->type = type;
>
> @@ -205,7 +223,8 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
>
> type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
> return drm_universal_plane_init(dev, plane, possible_crtcs, funcs,
> - formats, format_count, type, NULL);
> + formats, format_count,
> + NULL, 0, type, NULL);
> }
> EXPORT_SYMBOL(drm_plane_init);
>
> @@ -224,6 +243,7 @@ void drm_plane_cleanup(struct drm_plane *plane)
> drm_modeset_lock_fini(&plane->mutex);
>
> kfree(plane->format_types);
> + kfree(plane->format_modifiers);
> drm_mode_object_unregister(dev, &plane->base);
>
> BUG_ON(list_empty(&plane->head));
> @@ -380,12 +400,15 @@ int drm_mode_getplane_res(struct drm_device *dev, void *data,
> int drm_mode_getplane(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> {
> - struct drm_mode_get_plane *plane_resp = data;
> + struct drm_mode_get_plane2 *plane_resp = data;
> struct drm_plane *plane;
> uint32_t __user *format_ptr;
> + struct drm_format_modifier __user *modifier_ptr;
>
> if (!drm_core_check_feature(dev, DRIVER_MODESET))
> return -EINVAL;
> + if (plane_resp->flags)
> + return -EINVAL;
>
> plane = drm_plane_find(dev, plane_resp->plane_id);
> if (!plane)
> @@ -426,6 +449,19 @@ int drm_mode_getplane(struct drm_device *dev, void *data,
> }
> plane_resp->count_format_types = plane->format_count;
>
> + if (plane->format_modifier_count &&
> + (plane_resp->count_format_modifiers >= plane->format_modifier_count)) {
> + modifier_ptr = (struct drm_format_modifier __user *)
> + (unsigned long)plane_resp->format_modifier_ptr;
> + if (copy_to_user(modifier_ptr,
> + plane->format_modifiers,
> + sizeof(plane->format_modifiers[0]) *
> + plane->format_modifier_count)) {
> + return -EFAULT;
> + }
> + }
> + plane_resp->count_format_modifiers = plane->format_modifier_count;
> +
> return 0;
> }
>
> diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
> index 7bae08c..f79f4c5 100644
> --- a/drivers/gpu/drm/drm_simple_kms_helper.c
> +++ b/drivers/gpu/drm/drm_simple_kms_helper.c
> @@ -212,6 +212,8 @@ EXPORT_SYMBOL(drm_simple_display_pipe_detach_bridge);
> * @funcs: callbacks for the display pipe (optional)
> * @formats: array of supported formats (DRM_FORMAT\_\*)
> * @format_count: number of elements in @formats
> + * @modifiers: array of formats modifiers
> + * @modifier_count: number of elements in @modifiers
> * @connector: connector to attach and register (optional)
> *
> * Sets up a display pipeline which consist of a really simple
> @@ -232,6 +234,8 @@ int drm_simple_display_pipe_init(struct drm_device *dev,
> struct drm_simple_display_pipe *pipe,
> const struct drm_simple_display_pipe_funcs *funcs,
> const uint32_t *formats, unsigned int format_count,
> + const struct drm_format_modifier *format_modifiers,
> + unsigned int format_modifier_count,
> struct drm_connector *connector)
> {
> struct drm_encoder *encoder = &pipe->encoder;
> @@ -246,6 +250,7 @@ int drm_simple_display_pipe_init(struct drm_device *dev,
> ret = drm_universal_plane_init(dev, plane, 0,
> &drm_simple_kms_plane_funcs,
> formats, format_count,
> + format_modifiers, format_modifier_count,
> DRM_PLANE_TYPE_PRIMARY, NULL);
> if (ret)
> return ret;
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
> index c2f17f3..174bec5 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
> @@ -284,7 +284,7 @@ int exynos_plane_init(struct drm_device *dev,
> &exynos_plane_funcs,
> config->pixel_formats,
> config->num_pixel_formats,
> - config->type, NULL);
> + NULL, 0, config->type, NULL);
> if (err) {
> DRM_ERROR("failed to initialize plane\n");
> return err;
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> index 0a20723..1b719e0 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> @@ -224,7 +224,7 @@ struct drm_plane *fsl_dcu_drm_primary_create_plane(struct drm_device *dev)
> &fsl_dcu_drm_plane_funcs,
> fsl_dcu_drm_plane_formats,
> ARRAY_SIZE(fsl_dcu_drm_plane_formats),
> - DRM_PLANE_TYPE_PRIMARY, NULL);
> + NULL, 0, DRM_PLANE_TYPE_PRIMARY, NULL);
> if (ret) {
> kfree(primary);
> primary = NULL;
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 135c601..9c198fb 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -15026,18 +15026,21 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
> ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,
> 0, &intel_plane_funcs,
> intel_primary_formats, num_formats,
> + NULL, 0,
> DRM_PLANE_TYPE_PRIMARY,
> "plane 1%c", pipe_name(pipe));
> else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
> ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,
> 0, &intel_plane_funcs,
> intel_primary_formats, num_formats,
> + NULL, 0,
> DRM_PLANE_TYPE_PRIMARY,
> "primary %c", pipe_name(pipe));
> else
> ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,
> 0, &intel_plane_funcs,
> intel_primary_formats, num_formats,
> + NULL, 0,
> DRM_PLANE_TYPE_PRIMARY,
> "plane %c", plane_name(primary->plane));
> if (ret)
> @@ -15201,7 +15204,7 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
> 0, &intel_plane_funcs,
> intel_cursor_formats,
> ARRAY_SIZE(intel_cursor_formats),
> - DRM_PLANE_TYPE_CURSOR,
> + NULL, 0, DRM_PLANE_TYPE_CURSOR,
> "cursor %c", pipe_name(pipe));
> if (ret)
> goto fail;
> diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
> index 8b5294d..da2c6a7 100644
> --- a/drivers/gpu/drm/imx/ipuv3-plane.c
> +++ b/drivers/gpu/drm/imx/ipuv3-plane.c
> @@ -496,8 +496,8 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
>
> ret = drm_universal_plane_init(dev, &ipu_plane->base, possible_crtcs,
> &ipu_plane_funcs, ipu_plane_formats,
> - ARRAY_SIZE(ipu_plane_formats), type,
> - NULL);
> + ARRAY_SIZE(ipu_plane_formats),
> + NULL, 0, type, NULL);
> if (ret) {
> DRM_ERROR("failed to initialize plane\n");
> kfree(ipu_plane);
> diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> index 955441f..f29d463 100644
> --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> @@ -186,7 +186,7 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
> }
>
> ret = drm_simple_display_pipe_init(drm, &mxsfb->pipe, &mxsfb_funcs,
> - mxsfb_formats, ARRAY_SIZE(mxsfb_formats),
> + mxsfb_formats, ARRAY_SIZE(mxsfb_formats), NULL, 0,
> &mxsfb->connector);
> if (ret < 0) {
> dev_err(drm->dev, "Cannot setup simple display pipe\n");
> diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
> index cb85cb7..8b2a005 100644
> --- a/drivers/gpu/drm/nouveau/nv50_display.c
> +++ b/drivers/gpu/drm/nouveau/nv50_display.c
> @@ -1079,8 +1079,9 @@ nv50_wndw_ctor(const struct nv50_wndw_func *func, struct drm_device *dev,
> wndw->func = func;
> wndw->dmac = dmac;
>
> - ret = drm_universal_plane_init(dev, &wndw->plane, 0, &nv50_wndw, format,
> - nformat, type, "%s-%d", name, index);
> + ret = drm_universal_plane_init(dev, &wndw->plane, 0, &nv50_wndw,
> + format, nformat, NULL, 0,
> + type, "%s-%d", name, index);
> if (ret)
> return ret;
>
> diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
> index 82b2c23..0e37777 100644
> --- a/drivers/gpu/drm/omapdrm/omap_plane.c
> +++ b/drivers/gpu/drm/omapdrm/omap_plane.c
> @@ -383,7 +383,8 @@ struct drm_plane *omap_plane_init(struct drm_device *dev,
>
> ret = drm_universal_plane_init(dev, plane, possible_crtcs,
> &omap_plane_funcs, omap_plane->formats,
> - omap_plane->nformats, type, NULL);
> + omap_plane->nformats,
> + NULL, 0, type, NULL);
> if (ret < 0)
> goto error;
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> index dcde628..ad611b2 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> @@ -743,8 +743,8 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp)
>
> ret = drm_universal_plane_init(rcdu->ddev, &plane->plane, crtcs,
> &rcar_du_plane_funcs, formats,
> - ARRAY_SIZE(formats), type,
> - NULL);
> + ARRAY_SIZE(formats),
> + NULL, 0, type, NULL);
> if (ret < 0)
> return ret;
>
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index fb5f001..a32281b 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -1221,7 +1221,7 @@ static int vop_create_crtc(struct vop *vop)
> 0, &vop_plane_funcs,
> win_data->phy->data_formats,
> win_data->phy->nformats,
> - win_data->type, NULL);
> + NULL, 0, win_data->type, NULL);
> if (ret) {
> DRM_DEV_ERROR(vop->dev, "failed to init plane %d\n",
> ret);
> @@ -1260,7 +1260,7 @@ static int vop_create_crtc(struct vop *vop)
> &vop_plane_funcs,
> win_data->phy->data_formats,
> win_data->phy->nformats,
> - win_data->type, NULL);
> + NULL, 0, win_data->type, NULL);
> if (ret) {
> DRM_DEV_ERROR(vop->dev, "failed to init overlay %d\n",
> ret);
> diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c
> index cca75bd..5463faa 100644
> --- a/drivers/gpu/drm/sti/sti_cursor.c
> +++ b/drivers/gpu/drm/sti/sti_cursor.c
> @@ -393,6 +393,7 @@ struct drm_plane *sti_cursor_create(struct drm_device *drm_dev,
> &sti_cursor_plane_helpers_funcs,
> cursor_supported_formats,
> ARRAY_SIZE(cursor_supported_formats),
> + NULL, 0,
> DRM_PLANE_TYPE_CURSOR, NULL);
> if (res) {
> DRM_ERROR("Failed to initialize universal plane\n");
> diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
> index 877d053..8ff7e30 100644
> --- a/drivers/gpu/drm/sti/sti_gdp.c
> +++ b/drivers/gpu/drm/sti/sti_gdp.c
> @@ -921,7 +921,7 @@ struct drm_plane *sti_gdp_create(struct drm_device *drm_dev,
> &sti_gdp_plane_helpers_funcs,
> gdp_supported_formats,
> ARRAY_SIZE(gdp_supported_formats),
> - type, NULL);
> + NULL, 0, type, NULL);
> if (res) {
> DRM_ERROR("Failed to initialize universal plane\n");
> goto err;
> diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
> index becf10d..7e88092 100644
> --- a/drivers/gpu/drm/sti/sti_hqvdp.c
> +++ b/drivers/gpu/drm/sti/sti_hqvdp.c
> @@ -1277,7 +1277,7 @@ static struct drm_plane *sti_hqvdp_create(struct drm_device *drm_dev,
> &sti_hqvdp_plane_helpers_funcs,
> hqvdp_supported_formats,
> ARRAY_SIZE(hqvdp_supported_formats),
> - DRM_PLANE_TYPE_OVERLAY, NULL);
> + NULL, 0, DRM_PLANE_TYPE_OVERLAY, NULL);
> if (res) {
> DRM_ERROR("Failed to initialize universal plane\n");
> return NULL;
> diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
> index 7561a95..9543c8c 100644
> --- a/drivers/gpu/drm/tegra/dc.c
> +++ b/drivers/gpu/drm/tegra/dc.c
> @@ -655,8 +655,8 @@ static struct drm_plane *tegra_dc_primary_plane_create(struct drm_device *drm,
>
> err = drm_universal_plane_init(drm, &plane->base, possible_crtcs,
> &tegra_primary_plane_funcs, formats,
> - num_formats, DRM_PLANE_TYPE_PRIMARY,
> - NULL);
> + num_formats, NULL, 0,
> + DRM_PLANE_TYPE_PRIMARY, NULL);
> if (err < 0) {
> kfree(plane);
> return ERR_PTR(err);
> @@ -821,8 +821,8 @@ static struct drm_plane *tegra_dc_cursor_plane_create(struct drm_device *drm,
>
> err = drm_universal_plane_init(drm, &plane->base, 1 << dc->pipe,
> &tegra_cursor_plane_funcs, formats,
> - num_formats, DRM_PLANE_TYPE_CURSOR,
> - NULL);
> + num_formats, NULL, 0,
> + DRM_PLANE_TYPE_CURSOR, NULL);
> if (err < 0) {
> kfree(plane);
> return ERR_PTR(err);
> @@ -883,8 +883,8 @@ static struct drm_plane *tegra_dc_overlay_plane_create(struct drm_device *drm,
>
> err = drm_universal_plane_init(drm, &plane->base, 1 << dc->pipe,
> &tegra_overlay_plane_funcs, formats,
> - num_formats, DRM_PLANE_TYPE_OVERLAY,
> - NULL);
> + num_formats, NULL, 0,
> + DRM_PLANE_TYPE_OVERLAY, NULL);
> if (err < 0) {
> kfree(plane);
> return ERR_PTR(err);
> diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
> index 110d151..d6802f1 100644
> --- a/drivers/gpu/drm/vc4/vc4_plane.c
> +++ b/drivers/gpu/drm/vc4/vc4_plane.c
> @@ -861,7 +861,7 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev,
> ret = drm_universal_plane_init(dev, plane, 0xff,
> &vc4_plane_funcs,
> formats, num_formats,
> - type, NULL);
> + NULL, 0, type, NULL);
>
> drm_plane_helper_add(plane, &vc4_plane_helper_funcs);
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
> index cb75f06..b9c9866 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_plane.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
> @@ -225,7 +225,7 @@ struct drm_plane *virtio_gpu_plane_init(struct virtio_gpu_device *vgdev,
> ret = drm_universal_plane_init(dev, plane, 1 << index,
> &virtio_gpu_plane_funcs,
> formats, nformats,
> - type, NULL);
> + NULL, 0, type, NULL);
> if (ret)
> goto err_plane_init;
>
> diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
> index db3bbde..7feb463 100644
> --- a/include/drm/drm_plane.h
> +++ b/include/drm/drm_plane.h
> @@ -483,6 +483,9 @@ struct drm_plane {
> unsigned int format_count;
> bool format_default;
>
> + struct drm_format_modifier *format_modifiers;
> + unsigned int format_modifier_count;
> +
> struct drm_crtc *crtc;
> struct drm_framebuffer *fb;
>
> @@ -510,13 +513,15 @@ struct drm_plane {
>
> #define obj_to_plane(x) container_of(x, struct drm_plane, base)
>
> -extern __printf(8, 9)
> +extern __printf(10, 11)
> int drm_universal_plane_init(struct drm_device *dev,
> struct drm_plane *plane,
> uint32_t possible_crtcs,
> const struct drm_plane_funcs *funcs,
> const uint32_t *formats,
> unsigned int format_count,
> + const struct drm_format_modifier *format_modifiers,
> + unsigned int format_modifier_count,
> enum drm_plane_type type,
> const char *name, ...);
> extern int drm_plane_init(struct drm_device *dev,
> diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
> index 01a8436..98997e0 100644
> --- a/include/drm/drm_simple_kms_helper.h
> +++ b/include/drm/drm_simple_kms_helper.h
> @@ -120,6 +120,8 @@ int drm_simple_display_pipe_init(struct drm_device *dev,
> struct drm_simple_display_pipe *pipe,
> const struct drm_simple_display_pipe_funcs *funcs,
> const uint32_t *formats, unsigned int format_count,
> + const struct drm_format_modifier *format_modifiers,
> + unsigned int format_modifier_count,
> struct drm_connector *connector);
>
> #endif /* __LINUX_DRM_SIMPLE_KMS_HELPER_H */
> diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
> index b2c5284..487e0f1 100644
> --- a/include/uapi/drm/drm.h
> +++ b/include/uapi/drm/drm.h
> @@ -805,6 +805,7 @@ extern "C" {
> #define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
> #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
> #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane)
> +#define DRM_IOCTL_MODE_GETPLANE2 DRM_IOWR(0xB6, struct drm_mode_get_plane2)
> #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane)
> #define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
> #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index ce7efe2..cea3de3 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -209,6 +209,33 @@ struct drm_mode_get_plane {
> __u64 format_type_ptr;
> };
>
> +struct drm_format_modifier {
> + /* Bitmask of formats in get_plane format list this info
> + * applies to. */
> + uint64_t formats;
> +
> + /* This modifier can be used with the format for this plane. */
> + uint64_t modifier;
> +};
> +
> +struct drm_mode_get_plane2 {
> + __u32 plane_id;
> +
> + __u32 crtc_id;
> + __u32 fb_id;
> +
> + __u32 possible_crtcs;
> + __u32 gamma_size;
> +
> + __u32 count_format_types;
> + __u64 format_type_ptr;
> +
> + /* New in v2 */
> + __u32 count_format_modifiers;
> + __u32 flags;
> + __u64 format_modifier_ptr;
> +};
> +
> struct drm_mode_get_plane_res {
> __u64 plane_id_ptr;
> __u32 count_planes;
> --
> 2.9.3
>
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