[1/3] drm: Add new DRM_IOCTL_MODE_GETPLANE2

Message ID	20170112005118.19146-2-ben@bwidawsk.net (mailing list archive)
State	New, archived
Headers	show Return-Path: <intel-gfx-bounces@lists.freedesktop.org> From: Ben Widawsky <ben@bwidawsk.net> To: Intel GFX <intel-gfx@lists.freedesktop.org>, DRI Development <dri-devel@lists.freedesktop.org> Date: Wed, 11 Jan 2017 16:51:16 -0800 Message-Id: <20170112005118.19146-2-ben@bwidawsk.net> In-Reply-To: <20170112005118.19146-1-ben@bwidawsk.net> References: <20170112005118.19146-1-ben@bwidawsk.net> Cc: Ben Widawsky <ben@bwidawsk.net> Subject: [Intel-gfx] [PATCH 1/3] drm: Add new DRM_IOCTL_MODE_GETPLANE2 Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>

On Wed, Jan 11, 2017 at 04:51:16PM -0800, Ben Widawsky wrote: > Originally based off of a patch by Kristian. > > This new ioctl extends DRM_IOCTL_MODE_GETPLANE, by returning information > about the modifiers that will work with each format. > > It's modified from Kristian's patch in that the modifiers and formats > are setup by the driver, and then a callback is used to create the > format list. The LOC was enough difference that I don't think it made > sense to leave his authorship, but the new UABI was primarily his idea. > > Additionally, I hit a couple of drivers which Kristian missed updating. > > It also contains a change requested by Daniel to make the modifiers > array a sentinel based structure instead of a sized one. Upon discussion > on IRC, it was determined that having an invalid modifier might make > sense in general as well. > > References: https://patchwork.kernel.org/patch/9482393/ > Signed-off-by: Ben Widawsky <ben@bwidawsk.net> > --- <snip> > diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c > index 2b33825f2f93..9cb1eede0b4d 100644 > --- a/drivers/gpu/drm/drm_modeset_helper.c > +++ b/drivers/gpu/drm/drm_modeset_helper.c > @@ -124,6 +124,7 @@ static struct drm_plane *create_primary_plane(struct drm_device *dev) > &drm_primary_helper_funcs, > safe_modeset_formats, > ARRAY_SIZE(safe_modeset_formats), > + NULL, > 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 7b7275f0c2df..2d4fad5db8ed 100644 > --- a/drivers/gpu/drm/drm_plane.c > +++ b/drivers/gpu/drm/drm_plane.c > @@ -70,6 +70,7 @@ 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 terminated by INVALID > * @type: type of plane (overlay, primary, cursor) > * @name: printf style format string for the plane name, or NULL for default name > * > @@ -82,10 +83,12 @@ 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 uint64_t *format_modifiers, > enum drm_plane_type type, > const char *name, ...) > { > struct drm_mode_config *config = &dev->mode_config; > + unsigned int format_modifier_count = 0; > int ret; > > ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); > @@ -105,6 +108,28 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, > return -ENOMEM; > } > > + if (format_modifiers) { > + const uint64_t *temp_modifiers = format_modifiers; > + while (*temp_modifiers++ != DRM_FORMAT_MOD_INVALID) > + format_modifier_count++; > + } > + > + if (format_modifier_count) > + DRM_DEBUG_KMS("%d format modifiers added to list\n", > + format_modifier_count); nit: Not sure this is printk worthy. > + > + plane->modifier_count = format_modifier_count; > + plane->modifiers = kmalloc_array(format_modifier_count, > + sizeof(format_modifiers[0]), > + GFP_KERNEL); > + > + if (format_modifier_count && !plane->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 +142,15 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, > } > if (!plane->name) { > kfree(plane->format_types); > + kfree(plane->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->modifiers, format_modifiers, > + format_modifier_count * sizeof(format_modifiers[0])); Looks all right since we do the same for formats anyway. But it did occur to me (twice at least) that a kmemdup_array() might a nice thing to have for things like this. But that's a separate topic. > plane->possible_crtcs = possible_crtcs; > plane->type = type; > > @@ -205,7 +233,8 @@ 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, type, NULL); > } > EXPORT_SYMBOL(drm_plane_init); > > @@ -224,6 +253,7 @@ void drm_plane_cleanup(struct drm_plane *plane) > drm_modeset_lock_fini(&plane->mutex); > > kfree(plane->format_types); > + kfree(plane->modifiers); > drm_mode_object_unregister(dev, &plane->base); > > BUG_ON(list_empty(&plane->head)); > @@ -380,12 +410,15 @@ 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 +459,36 @@ int drm_mode_getplane(struct drm_device *dev, void *data, > } > plane_resp->count_format_types = plane->format_count; > > + if (plane->modifier_count && > + plane_resp->count_format_modifiers >= plane->modifier_count) { > + struct drm_format_modifier mod; > + int i; > + > + modifier_ptr = (struct drm_format_modifier __user *) > + (unsigned long)plane_resp->format_modifier_ptr; Didn't we have some something_user_ptr() thing? Hmm, I guess it's in i915 only. > + > + /* Build the mask for each modifier */ > + for (i = 0; i < plane->modifier_count; i++) { > + int j; > + mod.modifier = plane->modifiers[i]; > + for (j = 0; j < plane->format_count; j++) { If we don't want to try and deal with more than 64 formats, I think we need to make drm_universal_plane_init() WARN+bail if the driver passes in more than that. > + if (plane->funcs->format_mod_supported && > + plane->funcs->format_mod_supported(plane, > + plane->format_types[j], > + plane->modifiers[i])) { > + mod.formats |= 1 << j; > + } > + } > + > + if (copy_to_user(modifier_ptr, &mod, sizeof(mod))) > + return -EFAULT; > + > + modifier_ptr++; > + } > + } > + > + plane_resp->count_format_modifiers = plane->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 35c5d99296b9..0406e71b38e8 100644 > --- a/drivers/gpu/drm/drm_simple_kms_helper.c > +++ b/drivers/gpu/drm/drm_simple_kms_helper.c > @@ -193,6 +193,7 @@ EXPORT_SYMBOL(drm_simple_display_pipe_attach_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 @format_modifiers > * @connector: connector to attach and register (optional) > * > * Sets up a display pipeline which consist of a really simple > @@ -213,6 +214,7 @@ 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 uint64_t *format_modifiers, > struct drm_connector *connector) > { > struct drm_encoder *encoder = &pipe->encoder; > @@ -227,6 +229,7 @@ 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, > DRM_PLANE_TYPE_PRIMARY, NULL); > if (ret) > return ret; <snip> > diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h > index ce7efe2e8a5e..cea3de3aa301 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; ocd induced idea: Maybe put flags before the count? > + __u64 format_modifier_ptr; > +}; > + > struct drm_mode_get_plane_res { > __u64 plane_id_ptr; > __u32 count_planes;

diff --git a/drivers/gpu/drm/arc/arcpgu_crtc.c b/drivers/gpu/drm/arc/arcpgu_crtc.c index ad9a95916f1f..cd8a24c7c67d 100644 --- a/drivers/gpu/drm/arc/arcpgu_crtc.c +++ b/drivers/gpu/drm/arc/arcpgu_crtc.c @@ -218,6 +218,7 @@ static struct drm_plane *arc_pgu_plane_init(struct drm_device *drm) ret = drm_universal_plane_init(drm, plane, 0xff, &arc_pgu_plane_funcs, formats, ARRAY_SIZE(formats), + NULL, DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) return ERR_PTR(ret); diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c index 20ebfb4fbdfa..89fded880807 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, DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) { devm_kfree(drm->dev, plane); diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c index eff2fe47e26a..94dbcbc9ad8f 100644 --- a/drivers/gpu/drm/arm/malidp_planes.c +++ b/drivers/gpu/drm/arm/malidp_planes.c @@ -283,7 +283,7 @@ int malidp_de_planes_init(struct drm_device *drm) DRM_PLANE_TYPE_OVERLAY; ret = drm_universal_plane_init(drm, &plane->base, crtcs, &malidp_de_plane_funcs, formats, - n, plane_type, NULL); + n, NULL, plane_type, NULL); if (ret < 0) goto cleanup; diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index e62ee4498ce4..39330145ba2a 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, 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 34cb73d0db77..6a1ca8aa8e16 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, 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 bd2791c4b002..f12cec0bc58c 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, + 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 a7c61c23685a..c820d99d9231 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -614,7 +614,7 @@ 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 2b33825f2f93..9cb1eede0b4d 100644 --- a/drivers/gpu/drm/drm_modeset_helper.c +++ b/drivers/gpu/drm/drm_modeset_helper.c @@ -124,6 +124,7 @@ static struct drm_plane *create_primary_plane(struct drm_device *dev) &drm_primary_helper_funcs, safe_modeset_formats, ARRAY_SIZE(safe_modeset_formats), + NULL, 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 7b7275f0c2df..2d4fad5db8ed 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -70,6 +70,7 @@ 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 terminated by INVALID * @type: type of plane (overlay, primary, cursor) * @name: printf style format string for the plane name, or NULL for default name * @@ -82,10 +83,12 @@ 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 uint64_t *format_modifiers, enum drm_plane_type type, const char *name, ...) { struct drm_mode_config *config = &dev->mode_config; + unsigned int format_modifier_count = 0; int ret; ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); @@ -105,6 +108,28 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, return -ENOMEM; } + if (format_modifiers) { + const uint64_t *temp_modifiers = format_modifiers; + while (*temp_modifiers++ != DRM_FORMAT_MOD_INVALID) + format_modifier_count++; + } + + if (format_modifier_count) + DRM_DEBUG_KMS("%d format modifiers added to list\n", + format_modifier_count); + + plane->modifier_count = format_modifier_count; + plane->modifiers = kmalloc_array(format_modifier_count, + sizeof(format_modifiers[0]), + GFP_KERNEL); + + if (format_modifier_count && !plane->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 +142,15 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, } if (!plane->name) { kfree(plane->format_types); + kfree(plane->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->modifiers, format_modifiers, + format_modifier_count * sizeof(format_modifiers[0])); plane->possible_crtcs = possible_crtcs; plane->type = type; @@ -205,7 +233,8 @@ 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, type, NULL); } EXPORT_SYMBOL(drm_plane_init); @@ -224,6 +253,7 @@ void drm_plane_cleanup(struct drm_plane *plane) drm_modeset_lock_fini(&plane->mutex); kfree(plane->format_types); + kfree(plane->modifiers); drm_mode_object_unregister(dev, &plane->base); BUG_ON(list_empty(&plane->head)); @@ -380,12 +410,15 @@ 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 +459,36 @@ int drm_mode_getplane(struct drm_device *dev, void *data, } plane_resp->count_format_types = plane->format_count; + if (plane->modifier_count && + plane_resp->count_format_modifiers >= plane->modifier_count) { + struct drm_format_modifier mod; + int i; + + modifier_ptr = (struct drm_format_modifier __user *) + (unsigned long)plane_resp->format_modifier_ptr; + + /* Build the mask for each modifier */ + for (i = 0; i < plane->modifier_count; i++) { + int j; + mod.modifier = plane->modifiers[i]; + for (j = 0; j < plane->format_count; j++) { + if (plane->funcs->format_mod_supported && + plane->funcs->format_mod_supported(plane, + plane->format_types[j], + plane->modifiers[i])) { + mod.formats |= 1 << j; + } + } + + if (copy_to_user(modifier_ptr, &mod, sizeof(mod))) + return -EFAULT; + + modifier_ptr++; + } + } + + plane_resp->count_format_modifiers = plane->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 35c5d99296b9..0406e71b38e8 100644 --- a/drivers/gpu/drm/drm_simple_kms_helper.c +++ b/drivers/gpu/drm/drm_simple_kms_helper.c @@ -193,6 +193,7 @@ EXPORT_SYMBOL(drm_simple_display_pipe_attach_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 * @connector: connector to attach and register (optional) * * Sets up a display pipeline which consist of a really simple @@ -213,6 +214,7 @@ 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 uint64_t *format_modifiers, struct drm_connector *connector) { struct drm_encoder *encoder = &pipe->encoder; @@ -227,6 +229,7 @@ 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, 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 c2f17f30afab..75d4928dd196 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, 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 0a20723aa6e1..9554b245746e 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, DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) { kfree(primary); primary = NULL; diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c index c655883d3613..919cc807809f 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c @@ -181,6 +181,7 @@ static struct drm_plane *hibmc_plane_init(struct hibmc_drm_private *priv) ret = drm_universal_plane_init(dev, plane, 1, &hibmc_plane_funcs, channel_formats1, ARRAY_SIZE(channel_formats1), + NULL, DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) { diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c index 307d460ab684..b433b8e7c9cd 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c @@ -911,7 +911,7 @@ static int ade_plane_init(struct drm_device *dev, struct ade_plane *aplane, return ret; ret = drm_universal_plane_init(dev, &aplane->base, 1, &ade_plane_funcs, - fmts, fmts_cnt, type, NULL); + fmts, fmts_cnt, NULL, type, NULL); if (ret) { DRM_ERROR("fail to init plane, ch=%d\n", aplane->ch); return ret; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b547332eeda1..8715b1083d1d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15303,6 +15303,8 @@ intel_legacy_cursor_update(struct drm_plane *plane, src_x, src_y, src_w, src_h); } + + static const struct drm_plane_funcs intel_cursor_plane_funcs = { .update_plane = intel_legacy_cursor_update, .disable_plane = drm_atomic_helper_disable_plane, @@ -15387,18 +15389,21 @@ 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, 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, 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, DRM_PLANE_TYPE_PRIMARY, "plane %c", plane_name(primary->plane)); if (ret) @@ -15563,7 +15568,7 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) 0, &intel_cursor_plane_funcs, intel_cursor_formats, ARRAY_SIZE(intel_cursor_formats), - DRM_PLANE_TYPE_CURSOR, + NULL, DRM_PLANE_TYPE_CURSOR, "cursor %c", pipe_name(pipe)); if (ret) goto fail; diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 063a994815d0..1c2f26d86f76 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -1127,13 +1127,13 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base, possible_crtcs, &intel_plane_funcs, plane_formats, num_plane_formats, - DRM_PLANE_TYPE_OVERLAY, + NULL, DRM_PLANE_TYPE_OVERLAY, "plane %d%c", plane + 2, pipe_name(pipe)); else ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base, possible_crtcs, &intel_plane_funcs, plane_formats, num_plane_formats, - DRM_PLANE_TYPE_OVERLAY, + NULL, DRM_PLANE_TYPE_OVERLAY, "sprite %c", sprite_name(pipe, plane)); if (ret) goto fail; diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 8b5294d47cee..ef9e11b98b3c 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, type, NULL); if (ret) { DRM_ERROR("failed to initialize plane\n"); kfree(ipu_plane); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index e405e89ed5e5..bec6d14dd070 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -173,7 +173,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, err = drm_universal_plane_init(dev, plane, possible_crtcs, &mtk_plane_funcs, formats, - ARRAY_SIZE(formats), type, NULL); + ARRAY_SIZE(formats), NULL, type, NULL); if (err) { DRM_ERROR("failed to initialize plane\n"); return err; diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c index 642b2fab42ff..13c7c2c1d4cc 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -220,6 +220,7 @@ int meson_plane_create(struct meson_drm *priv) &meson_plane_funcs, supported_drm_formats, ARRAY_SIZE(supported_drm_formats), + NULL, DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane"); drm_plane_helper_add(plane, &meson_plane_helper_funcs); diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c index 53619d07677e..8f3417e45d4e 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c @@ -398,7 +398,7 @@ struct drm_plane *mdp4_plane_init(struct drm_device *dev, type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; ret = drm_universal_plane_init(dev, plane, 0xff, &mdp4_plane_funcs, mdp4_plane->formats, mdp4_plane->nformats, - type, NULL); + NULL, type, NULL); if (ret) goto fail; diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 75247ea4335b..c2068c30ca73 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -882,7 +882,7 @@ struct drm_plane *mdp5_plane_init(struct drm_device *dev, bool primary) type = primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs, mdp5_plane->formats, mdp5_plane->nformats, - type, NULL); + NULL, type, NULL); if (ret) goto fail; diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c index 955441f71500..f29d463e03a4 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 cb85cb72dc1c..cf5ed98caed4 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, + 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 82b2c23d6769..b4a575cf7e71 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, 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 dcde6288da6c..2b02eccbfb70 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, type, NULL); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index b5bfbe50bd87..744be029436b 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -364,8 +364,9 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp) 1 << vsp->index, &rcar_du_vsp_plane_funcs, formats_kms, - ARRAY_SIZE(formats_kms), type, - NULL); + ARRAY_SIZE(formats_kms), + NULL, + 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 fb5f001f51c3..826b376114f6 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, 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, 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 cca75bddb9ad..f61808b419a5 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, 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 877d053d86f4..6bf1a592cee4 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, 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 becf10d255c4..911e8f0f69a6 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, DRM_PLANE_TYPE_OVERLAY, NULL); if (res) { DRM_ERROR("Failed to initialize universal plane\n"); return NULL; diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c index 5d53c977bca5..827f45364654 100644 --- a/drivers/gpu/drm/sun4i/sun4i_layer.c +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c @@ -117,6 +117,7 @@ static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm, ret = drm_universal_plane_init(drm, &layer->plane, BIT(0), &sun4i_backend_layer_funcs, plane->formats, plane->nformats, + NULL, plane->type, NULL); if (ret) { dev_err(drm->dev, "Couldn't initialize layer\n"); diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 7561a95a54e3..9ddea84208c4 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, + 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, + 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, + 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 110d1518f5d5..487bb40e0e4e 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, 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 11288ffa4af6..00f368cde0b8 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, type, NULL); if (ret) goto err_plane_init; diff --git a/drivers/gpu/drm/zte/zx_plane.c b/drivers/gpu/drm/zte/zx_plane.c index b634b090cdc1..c57d4fe5da18 100644 --- a/drivers/gpu/drm/zte/zx_plane.c +++ b/drivers/gpu/drm/zte/zx_plane.c @@ -287,7 +287,7 @@ struct drm_plane *zx_plane_init(struct drm_device *drm, struct device *dev, ret = drm_universal_plane_init(drm, plane, VOU_CRTC_MASK, &zx_plane_funcs, formats, format_count, - type, NULL); + NULL, type, NULL); if (ret) { DRM_DEV_ERROR(dev, "failed to init universal plane: %d\n", ret); return ERR_PTR(ret); diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index e049bc52fb07..108a955438e5 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -389,6 +389,20 @@ struct drm_plane_funcs { */ void (*atomic_print_state)(struct drm_printer *p, const struct drm_plane_state *state); + + /** + * @format_mod_supported: + * + * This optional hook is used for the DRM to determine if the given + * format/modifier combination is valid for the plane. This allows the + * DRM to generate the correct format bitmask (which formats apply to + * which modifier). + * + * True if the given modifier is valid for that format on the plane. + * False otherwise. + */ + bool (*format_mod_supported)(struct drm_plane *plane, uint32_t format, + uint64_t modifier); }; /** @@ -483,6 +497,10 @@ struct drm_plane { unsigned int format_count; bool format_default; + uint32_t *formats; + uint64_t *modifiers; + unsigned int modifier_count; + struct drm_crtc *crtc; struct drm_framebuffer *fb; @@ -510,13 +528,14 @@ struct drm_plane { #define obj_to_plane(x) container_of(x, struct drm_plane, base) -extern __printf(8, 9) +extern __printf(9, 10) 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 uint64_t *format_modifiers, 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 fe8c4ba905ac..059cd592a127 100644 --- a/include/drm/drm_simple_kms_helper.h +++ b/include/drm/drm_simple_kms_helper.h @@ -118,6 +118,7 @@ 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 uint64_t *format_modifiers, 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 b2c52843bc70..487e0f17113f 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_fourcc.h b/include/uapi/drm/drm_fourcc.h index 4581e3d41e5c..5859014d93c7 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -162,6 +162,8 @@ extern "C" { #define DRM_FORMAT_MOD_VENDOR_QCOM 0x05 /* add more to the end as needed */ +#define DRM_FORMAT_RESERVED ((1ULL << 56) - 1) + #define fourcc_mod_code(vendor, val) \ ((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL)) @@ -174,6 +176,15 @@ extern "C" { */ /* + * Invalid Modifier + * + * This modifier can be used as a sentinel to terminate list, or to initialize a + * variable with an invalid modifier. It might also be used to report an error + * back to userspace for certain APIs. + */ +#define DRM_FORMAT_MOD_INVALID fourcc_mod_code(NONE, DRM_FORMAT_RESERVED) + +/* * Linear Layout * * Just plain linear layout. Note that this is different from no specifying any diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index ce7efe2e8a5e..cea3de3aa301 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;

[1/3] drm: Add new DRM_IOCTL_MODE_GETPLANE2

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