[PATCH 1/2] drm: Add new DRM_IOCTL_MODE_GETPLANE2

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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.

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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