diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drmP.h | 1 | ||||
| -rw-r--r-- | include/drm/drm_atomic.h | 154 | ||||
| -rw-r--r-- | include/drm/drm_blend.h | 62 | ||||
| -rw-r--r-- | include/drm/drm_bridge.h | 218 | ||||
| -rw-r--r-- | include/drm/drm_color_mgmt.h | 61 | ||||
| -rw-r--r-- | include/drm/drm_connector.h | 28 | ||||
| -rw-r--r-- | include/drm/drm_core.h | 34 | ||||
| -rw-r--r-- | include/drm/drm_crtc.h | 887 | ||||
| -rw-r--r-- | include/drm/drm_edid.h | 30 | ||||
| -rw-r--r-- | include/drm/drm_encoder.h | 22 | ||||
| -rw-r--r-- | include/drm/drm_fb_helper.h | 5 | ||||
| -rw-r--r-- | include/drm/drm_framebuffer.h | 17 | ||||
| -rw-r--r-- | include/drm/drm_mode_object.h | 1 | ||||
| -rw-r--r-- | include/drm/drm_modes.h | 6 | ||||
| -rw-r--r-- | include/drm/drm_plane.h | 526 | ||||
| -rw-r--r-- | include/drm/drm_property.h | 1 | ||||
| -rw-r--r-- | include/drm/drm_vma_manager.h | 20 | ||||
| -rw-r--r-- | include/uapi/linux/sync_file.h | 13 |
18 files changed, 1145 insertions, 941 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index e341e7f6eef5..c53dc90942e0 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -396,7 +396,6 @@ struct drm_file { unsigned is_master:1; struct pid *pid; - kuid_t uid; drm_magic_t magic; struct list_head lhead; struct drm_minor *minor; diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 856a9c85a838..9701f2dfb784 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -30,6 +30,160 @@ #include <drm/drm_crtc.h> +/** + * struct drm_crtc_commit - track modeset commits on a CRTC + * + * This structure is used to track pending modeset changes and atomic commit on + * a per-CRTC basis. Since updating the list should never block this structure + * is reference counted to allow waiters to safely wait on an event to complete, + * without holding any locks. + * + * It has 3 different events in total to allow a fine-grained synchronization + * between outstanding updates:: + * + * atomic commit thread hardware + * + * write new state into hardware ----> ... + * signal hw_done + * switch to new state on next + * ... v/hblank + * + * wait for buffers to show up ... + * + * ... send completion irq + * irq handler signals flip_done + * cleanup old buffers + * + * signal cleanup_done + * + * wait for flip_done <---- + * clean up atomic state + * + * The important bit to know is that cleanup_done is the terminal event, but the + * ordering between flip_done and hw_done is entirely up to the specific driver + * and modeset state change. + * + * For an implementation of how to use this look at + * drm_atomic_helper_setup_commit() from the atomic helper library. + */ +struct drm_crtc_commit { + /** + * @crtc: + * + * DRM CRTC for this commit. + */ + struct drm_crtc *crtc; + + /** + * @ref: + * + * Reference count for this structure. Needed to allow blocking on + * completions without the risk of the completion disappearing + * meanwhile. + */ + struct kref ref; + + /** + * @flip_done: + * + * Will be signaled when the hardware has flipped to the new set of + * buffers. Signals at the same time as when the drm event for this + * commit is sent to userspace, or when an out-fence is singalled. Note + * that for most hardware, in most cases this happens after @hw_done is + * signalled. + */ + struct completion flip_done; + + /** + * @hw_done: + * + * Will be signalled when all hw register changes for this commit have + * been written out. Especially when disabling a pipe this can be much + * later than than @flip_done, since that can signal already when the + * screen goes black, whereas to fully shut down a pipe more register + * I/O is required. + * + * Note that this does not need to include separately reference-counted + * resources like backing storage buffer pinning, or runtime pm + * management. + */ + struct completion hw_done; + + /** + * @cleanup_done: + * + * Will be signalled after old buffers have been cleaned up by calling + * drm_atomic_helper_cleanup_planes(). Since this can only happen after + * a vblank wait completed it might be a bit later. This completion is + * useful to throttle updates and avoid hardware updates getting ahead + * of the buffer cleanup too much. + */ + struct completion cleanup_done; + + /** + * @commit_entry: + * + * Entry on the per-CRTC commit_list. Protected by crtc->commit_lock. + */ + struct list_head commit_entry; + + /** + * @event: + * + * &drm_pending_vblank_event pointer to clean up private events. + */ + struct drm_pending_vblank_event *event; +}; + +struct __drm_planes_state { + struct drm_plane *ptr; + struct drm_plane_state *state; +}; + +struct __drm_crtcs_state { + struct drm_crtc *ptr; + struct drm_crtc_state *state; + struct drm_crtc_commit *commit; +}; + +struct __drm_connnectors_state { + struct drm_connector *ptr; + struct drm_connector_state *state; +}; + +/** + * struct drm_atomic_state - the global state object for atomic updates + * @dev: parent DRM device + * @allow_modeset: allow full modeset + * @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics + * @legacy_set_config: Disable conflicting encoders instead of failing with -EINVAL. + * @planes: pointer to array of structures with per-plane data + * @crtcs: pointer to array of CRTC pointers + * @num_connector: size of the @connectors and @connector_states arrays + * @connectors: pointer to array of structures with per-connector data + * @acquire_ctx: acquire context for this atomic modeset state update + */ +struct drm_atomic_state { + struct drm_device *dev; + bool allow_modeset : 1; + bool legacy_cursor_update : 1; + bool legacy_set_config : 1; + struct __drm_planes_state *planes; + struct __drm_crtcs_state *crtcs; + int num_connector; + struct __drm_connnectors_state *connectors; + + struct drm_modeset_acquire_ctx *acquire_ctx; + + /** + * @commit_work: + * + * Work item which can be used by the driver or helpers to execute the + * commit without blocking. + */ + struct work_struct commit_work; +}; + void drm_crtc_commit_put(struct drm_crtc_commit *commit); static inline void drm_crtc_commit_get(struct drm_crtc_commit *commit) { diff --git a/include/drm/drm_blend.h b/include/drm/drm_blend.h new file mode 100644 index 000000000000..36baa175de99 --- /dev/null +++ b/include/drm/drm_blend.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2016 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifndef __DRM_BLEND_H__ +#define __DRM_BLEND_H__ + +#include <linux/list.h> +#include <linux/ctype.h> + +struct drm_device; +struct drm_atomic_state; + +/* + * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the + * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and + * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation + * + * WARNING: These defines are UABI since they're exposed in the rotation + * property. + */ +#define DRM_ROTATE_0 BIT(0) +#define DRM_ROTATE_90 BIT(1) +#define DRM_ROTATE_180 BIT(2) +#define DRM_ROTATE_270 BIT(3) +#define DRM_ROTATE_MASK (DRM_ROTATE_0 | DRM_ROTATE_90 | \ + DRM_ROTATE_180 | DRM_ROTATE_270) +#define DRM_REFLECT_X BIT(4) +#define DRM_REFLECT_Y BIT(5) +#define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y) + +struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, + unsigned int supported_rotations); +unsigned int drm_rotation_simplify(unsigned int rotation, + unsigned int supported_rotations); + +int drm_plane_create_zpos_property(struct drm_plane *plane, + unsigned int zpos, + unsigned int min, unsigned int max); +int drm_plane_create_zpos_immutable_property(struct drm_plane *plane, + unsigned int zpos); +int drm_atomic_normalize_zpos(struct drm_device *dev, + struct drm_atomic_state *state); +#endif diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h new file mode 100644 index 000000000000..530a1d6e8cde --- /dev/null +++ b/include/drm/drm_bridge.h @@ -0,0 +1,218 @@ +/* + * Copyright (c) 2016 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifndef __DRM_BRIDGE_H__ +#define __DRM_BRIDGE_H__ + +#include <linux/list.h> +#include <linux/ctype.h> +#include <drm/drm_mode_object.h> +#include <drm/drm_modes.h> + +struct drm_bridge; + +/** + * struct drm_bridge_funcs - drm_bridge control functions + */ +struct drm_bridge_funcs { + /** + * @attach: + * + * This callback is invoked whenever our bridge is being attached to a + * &drm_encoder. + * + * The attach callback is optional. + * + * RETURNS: + * + * Zero on success, error code on failure. + */ + int (*attach)(struct drm_bridge *bridge); + + /** + * @detach: + * + * This callback is invoked whenever our bridge is being detached from a + * &drm_encoder. + * + * The detach callback is optional. + */ + void (*detach)(struct drm_bridge *bridge); + + /** + * @mode_fixup: + * + * This callback is used to validate and adjust a mode. The paramater + * mode is the display mode that should be fed to the next element in + * the display chain, either the final &drm_connector or the next + * &drm_bridge. The parameter adjusted_mode is the input mode the bridge + * requires. It can be modified by this callback and does not need to + * match mode. + * + * This is the only hook that allows a bridge to reject a modeset. If + * this function passes all other callbacks must succeed for this + * configuration. + * + * The mode_fixup callback is optional. + * + * NOTE: + * + * This function is called in the check phase of atomic modesets, which + * can be aborted for any reason (including on userspace's request to + * just check whether a configuration would be possible). Drivers MUST + * NOT touch any persistent state (hardware or software) or data + * structures except the passed in @state parameter. + * + * RETURNS: + * + * True if an acceptable configuration is possible, false if the modeset + * operation should be rejected. + */ + bool (*mode_fixup)(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + /** + * @disable: + * + * This callback should disable the bridge. It is called right before + * the preceding element in the display pipe is disabled. If the + * preceding element is a bridge this means it's called before that + * bridge's ->disable() function. If the preceding element is a + * &drm_encoder it's called right before the encoder's ->disable(), + * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs. + * + * The bridge can assume that the display pipe (i.e. clocks and timing + * signals) feeding it is still running when this callback is called. + * + * The disable callback is optional. + */ + void (*disable)(struct drm_bridge *bridge); + + /** + * @post_disable: + * + * This callback should disable the bridge. It is called right after + * the preceding element in the display pipe is disabled. If the + * preceding element is a bridge this means it's called after that + * bridge's ->post_disable() function. If the preceding element is a + * &drm_encoder it's called right after the encoder's ->disable(), + * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs. + * + * The bridge must assume that the display pipe (i.e. clocks and timing + * singals) feeding it is no longer running when this callback is + * called. + * + * The post_disable callback is optional. + */ + void (*post_disable)(struct drm_bridge *bridge); + + /** + * @mode_set: + * + * This callback should set the given mode on the bridge. It is called + * after the ->mode_set() callback for the preceding element in the + * display pipeline has been called already. The display pipe (i.e. + * clocks and timing signals) is off when this function is called. + */ + void (*mode_set)(struct drm_bridge *bridge, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + /** + * @pre_enable: + * + * This callback should enable the bridge. It is called right before + * the preceding element in the display pipe is enabled. If the + * preceding element is a bridge this means it's called before that + * bridge's ->pre_enable() function. If the preceding element is a + * &drm_encoder it's called right before the encoder's ->enable(), + * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs. + * + * The display pipe (i.e. clocks and timing signals) feeding this bridge + * will not yet be running when this callback is called. The bridge must + * not enable the display link feeding the next bridge in the chain (if + * there is one) when this callback is called. + * + * The pre_enable callback is optional. + */ + void (*pre_enable)(struct drm_bridge *bridge); + + /** + * @enable: + * + * This callback should enable the bridge. It is called right after + * the preceding element in the display pipe is enabled. If the + * preceding element is a bridge this means it's called after that + * bridge's ->enable() function. If the preceding element is a + * &drm_encoder it's called right after the encoder's ->enable(), + * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs. + * + * The bridge can assume that the display pipe (i.e. clocks and timing + * signals) feeding it is running when this callback is called. This + * callback must enable the display link feeding the next bridge in the + * chain if there is one. + * + * The enable callback is optional. + */ + void (*enable)(struct drm_bridge *bridge); +}; + +/** + * struct drm_bridge - central DRM bridge control structure + * @dev: DRM device this bridge belongs to + * @encoder: encoder to which this bridge is connected + * @next: the next bridge in the encoder chain + * @of_node: device node pointer to the bridge + * @list: to keep track of all added bridges + * @funcs: control functions + * @driver_private: pointer to the bridge driver's internal context + */ +struct drm_bridge { + struct drm_device *dev; + struct drm_encoder *encoder; + struct drm_bridge *next; +#ifdef CONFIG_OF + struct device_node *of_node; +#endif + struct list_head list; + + const struct drm_bridge_funcs *funcs; + void *driver_private; +}; + +int drm_bridge_add(struct drm_bridge *bridge); +void drm_bridge_remove(struct drm_bridge *bridge); +struct drm_bridge *of_drm_find_bridge(struct device_node *np); +int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge); +void drm_bridge_detach(struct drm_bridge *bridge); + +bool drm_bridge_mode_fixup(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); +void drm_bridge_disable(struct drm_bridge *bridge); +void drm_bridge_post_disable(struct drm_bridge *bridge); +void drm_bridge_mode_set(struct drm_bridge *bridge, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); +void drm_bridge_pre_enable(struct drm_bridge *bridge); +void drm_bridge_enable(struct drm_bridge *bridge); + +#endif diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h new file mode 100644 index 000000000000..c767238ac9d5 --- /dev/null +++ b/include/drm/drm_color_mgmt.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2016 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifndef __DRM_COLOR_MGMT_H__ +#define __DRM_COLOR_MGMT_H__ + +#include <linux/ctype.h> + +void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc, + uint degamma_lut_size, + bool has_ctm, + uint gamma_lut_size); + +int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, + int gamma_size); + +/** + * drm_color_lut_extract - clamp&round LUT entries + * @user_input: input value + * @bit_precision: number of bits the hw LUT supports + * + * Extract a degamma/gamma LUT value provided by user (in the form of + * &drm_color_lut entries) and round it to the precision supported by the + * hardware. + */ +static inline uint32_t drm_color_lut_extract(uint32_t user_input, + uint32_t bit_precision) +{ + uint32_t val = user_input; + uint32_t max = 0xffff >> (16 - bit_precision); + + /* Round only if we're not using full precision. */ + if (bit_precision < 16) { + val += 1UL << (16 - bit_precision - 1); + val >>= 16 - bit_precision; + } + + return clamp_val(val, 0, max); +} + + +#endif diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 66b7d6744dd2..51a15deda161 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -27,6 +27,10 @@ #include <linux/ctype.h> #include <drm/drm_mode_object.h> +#include <uapi/drm/drm_mode.h> + +struct drm_device; + struct drm_connector_helper_funcs; struct drm_device; struct drm_crtc; @@ -181,14 +185,19 @@ int drm_display_info_set_bus_formats(struct drm_display_info *info, /** * struct drm_connector_state - mutable connector state * @connector: backpointer to the connector - * @crtc: CRTC to connect connector to, NULL if disabled * @best_encoder: can be used by helpers and drivers to select the encoder * @state: backpointer to global drm_atomic_state */ struct drm_connector_state { struct drm_connector *connector; - struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */ + /** + * @crtc: CRTC to connect connector to, NULL if disabled. + * + * Do not change this directly, use drm_atomic_set_crtc_for_connector() + * instead. + */ + struct drm_crtc *crtc; struct drm_encoder *best_encoder; @@ -744,4 +753,19 @@ int drm_mode_connector_set_path_property(struct drm_connector *connector, int drm_mode_connector_set_tile_property(struct drm_connector *connector); int drm_mode_connector_update_edid_property(struct drm_connector *connector, const struct edid *edid); + +/** + * drm_for_each_connector - iterate over all connectors + * @connector: the loop cursor + * @dev: the DRM device + * + * Iterate over all connectors of @dev. + */ +#define drm_for_each_connector(connector, dev) \ + for (assert_drm_connector_list_read_locked(&(dev)->mode_config), \ + connector = list_first_entry(&(dev)->mode_config.connector_list, \ + struct drm_connector, head); \ + &connector->head != (&(dev)->mode_config.connector_list); \ + connector = list_next_entry(connector, head)) + #endif diff --git a/include/drm/drm_core.h b/include/drm/drm_core.h deleted file mode 100644 index 4e7523863a4b..000000000000 --- a/include/drm/drm_core.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright 2004 Jon Smirl <jonsmirl@gmail.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ -#define CORE_AUTHOR "Gareth Hughes, Leif Delgass, José Fonseca, Jon Smirl" - -#define CORE_NAME "drm" -#define CORE_DESC "DRM shared core routines" -#define CORE_DATE "20060810" - -#define DRM_IF_MAJOR 1 -#define DRM_IF_MINOR 4 - -#define CORE_MAJOR 1 -#define CORE_MINOR 1 -#define CORE_PATCHLEVEL 0 diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 8ca71d66282b..a544b7502493 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -42,6 +42,11 @@ #include <drm/drm_connector.h> #include <drm/drm_encoder.h> #include <drm/drm_property.h> +#include <drm/drm_bridge.h> +#include <drm/drm_edid.h> +#include <drm/drm_plane.h> +#include <drm/drm_blend.h> +#include <drm/drm_color_mgmt.h> struct drm_device; struct drm_mode_set; @@ -60,21 +65,6 @@ static inline uint64_t I642U64(int64_t val) return (uint64_t)*((uint64_t *)&val); } -/* - * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the - * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and - * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation - */ -#define DRM_ROTATE_0 BIT(0) -#define DRM_ROTATE_90 BIT(1) -#define DRM_ROTATE_180 BIT(2) -#define DRM_ROTATE_270 BIT(3) -#define DRM_ROTATE_MASK (DRM_ROTATE_0 | DRM_ROTATE_90 | \ - DRM_ROTATE_180 | DRM_ROTATE_270) -#define DRM_REFLECT_X BIT(4) -#define DRM_REFLECT_Y BIT(5) -#define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y) - /* data corresponds to displayid vend/prod/serial */ struct drm_tile_group { struct kref refcount; @@ -655,693 +645,6 @@ struct drm_crtc { }; /** - * struct drm_plane_state - mutable plane state - * @plane: backpointer to the plane - * @crtc: currently bound CRTC, NULL if disabled - * @fb: currently bound framebuffer - * @fence: optional fence to wait for before scanning out @fb - * @crtc_x: left position of visible portion of plane on crtc - * @crtc_y: upper position of visible portion of plane on crtc - * @crtc_w: width of visible portion of plane on crtc - * @crtc_h: height of visible portion of plane on crtc - * @src_x: left position of visible portion of plane within - * plane (in 16.16) - * @src_y: upper position of visible portion of plane within - * plane (in 16.16) - * @src_w: width of visible portion of plane (in 16.16) - * @src_h: height of visible portion of plane (in 16.16) - * @rotation: rotation of the plane - * @zpos: priority of the given plane on crtc (optional) - * @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1 - * where N is the number of active planes for given crtc - * @src: clipped source coordinates of the plane (in 16.16) - * @dst: clipped destination coordinates of the plane - * @visible: visibility of the plane - * @state: backpointer to global drm_atomic_state - */ -struct drm_plane_state { - struct drm_plane *plane; - - struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */ - struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */ - struct fence *fence; - - /* Signed dest location allows it to be partially off screen */ - int32_t crtc_x, crtc_y; - uint32_t crtc_w, crtc_h; - - /* Source values are 16.16 fixed point */ - uint32_t src_x, src_y; - uint32_t src_h, src_w; - - /* Plane rotation */ - unsigned int rotation; - - /* Plane zpos */ - unsigned int zpos; - unsigned int normalized_zpos; - - /* Clipped coordinates */ - struct drm_rect src, dst; - - /* - * Is the plane actually visible? Can be false even - * if fb!=NULL and crtc!=NULL, due to clipping. - */ - bool visible; - - struct drm_atomic_state *state; -}; - - -/** - * struct drm_plane_funcs - driver plane control functions - */ -struct drm_plane_funcs { - /** - * @update_plane: - * - * This is the legacy entry point to enable and configure the plane for - * the given CRTC and framebuffer. It is never called to disable the - * plane, i.e. the passed-in crtc and fb paramters are never NULL. - * - * The source rectangle in frame buffer memory coordinates is given by - * the src_x, src_y, src_w and src_h parameters (as 16.16 fixed point - * values). Devices that don't support subpixel plane coordinates can - * ignore the fractional part. - * - * The destination rectangle in CRTC coordinates is given by the - * crtc_x, crtc_y, crtc_w and crtc_h parameters (as integer values). - * Devices scale the source rectangle to the destination rectangle. If - * scaling is not supported, and the source rectangle size doesn't match - * the destination rectangle size, the driver must return a - * -<errorname>EINVAL</errorname> error. - * - * Drivers implementing atomic modeset should use - * drm_atomic_helper_update_plane() to implement this hook. - * - * RETURNS: - * - * 0 on success or a negative error code on failure. - */ - int (*update_plane)(struct drm_plane *plane, - struct drm_crtc *crtc, struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h); - - /** - * @disable_plane: - * - * This is the legacy entry point to disable the plane. The DRM core - * calls this method in response to a DRM_IOCTL_MODE_SETPLANE IOCTL call - * with the frame buffer ID set to 0. Disabled planes must not be - * processed by the CRTC. - * - * Drivers implementing atomic modeset should use - * drm_atomic_helper_disable_plane() to implement this hook. - * - * RETURNS: - * - * 0 on success or a negative error code on failure. - */ - int (*disable_plane)(struct drm_plane *plane); - - /** - * @destroy: - * - * Clean up plane resources. This is only called at driver unload time - * through drm_mode_config_cleanup() since a plane cannot be hotplugged - * in DRM. - */ - void (*destroy)(struct drm_plane *plane); - - /** - * @reset: - * - * Reset plane hardware and software state to off. This function isn't - * called by the core directly, only through drm_mode_config_reset(). - * It's not a helper hook only for historical reasons. - * - * Atomic drivers can use drm_atomic_helper_plane_reset() to reset - * atomic state using this hook. - */ - void (*reset)(struct drm_plane *plane); - - /** - * @set_property: - * - * This is the legacy entry point to update a property attached to the - * plane. - * - * Drivers implementing atomic modeset should use - * drm_atomic_helper_plane_set_property() to implement this hook. - * - * This callback is optional if the driver does not support any legacy - * driver-private properties. - * - * RETURNS: - * - * 0 on success or a negative error code on failure. - */ - int (*set_property)(struct drm_plane *plane, - struct drm_property *property, uint64_t val); - - /** - * @atomic_duplicate_state: - * - * Duplicate the current atomic state for this plane and return it. - * The core and helpers gurantee that any atomic state duplicated with - * this hook and still owned by the caller (i.e. not transferred to the - * driver by calling ->atomic_commit() from struct - * &drm_mode_config_funcs) will be cleaned up by calling the - * @atomic_destroy_state hook in this structure. - * - * Atomic drivers which don't subclass struct &drm_plane_state should use - * drm_atomic_helper_plane_duplicate_state(). Drivers that subclass the - * state structure to extend it with driver-private state should use - * __drm_atomic_helper_plane_duplicate_state() to make sure shared state is - * duplicated in a consistent fashion across drivers. - * - * It is an error to call this hook before plane->state has been - * initialized correctly. - * - * NOTE: - * - * If the duplicate state references refcounted resources this hook must - * acquire a reference for each of them. The driver must release these - * references again in @atomic_destroy_state. - * - * RETURNS: - * - * Duplicated atomic state or NULL when the allocation failed. - */ - struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane); - - /** - * @atomic_destroy_state: - * - * Destroy a state duplicated with @atomic_duplicate_state and release - * or unreference all resources it references - */ - void (*atomic_destroy_state)(struct drm_plane *plane, - struct drm_plane_state *state); - - /** - * @atomic_set_property: - * - * Decode a driver-private property value and store the decoded value - * into the passed-in state structure. Since the atomic core decodes all - * standardized properties (even for extensions beyond the core set of - * properties which might not be implemented by all drivers) this - * requires drivers to subclass the state structure. - * - * Such driver-private properties should really only be implemented for - * truly hardware/vendor specific state. Instead it is preferred to - * standardize atomic extension and decode the properties used to expose - * such an extension in the core. - * - * Do not call this function directly, use - * drm_atomic_plane_set_property() instead. - * - * This callback is optional if the driver does not support any - * driver-private atomic properties. - * - * NOTE: - * - * This function is called in the state assembly phase of atomic - * modesets, which can be aborted for any reason (including on - * userspace's request to just check whether a configuration would be - * possible). Drivers MUST NOT touch any persistent state (hardware or - * software) or data structures except the passed in @state parameter. - * - * Also since userspace controls in which order properties are set this - * function must not do any input validation (since the state update is - * incomplete and hence likely inconsistent). Instead any such input - * validation must be done in the various atomic_check callbacks. - * - * RETURNS: - * - * 0 if the property has been found, -EINVAL if the property isn't - * implemented by the driver (which shouldn't ever happen, the core only - * asks for properties attached to this plane). No other validation is - * allowed by the driver. The core already checks that the property - * value is within the range (integer, valid enum value, ...) the driver - * set when registering the property. - */ - int (*atomic_set_property)(struct drm_plane *plane, - struct drm_plane_state *state, - struct drm_property *property, - uint64_t val); - - /** - * @atomic_get_property: - * - * Reads out the decoded driver-private property. This is used to - * implement the GETPLANE IOCTL. - * - * Do not call this function directly, use - * drm_atomic_plane_get_property() instead. - * - * This callback is optional if the driver does not support any - * driver-private atomic properties. - * - * RETURNS: - * - * 0 on success, -EINVAL if the property isn't implemented by the - * driver (which should never happen, the core only asks for - * properties attached to this plane). - */ - int (*atomic_get_property)(struct drm_plane *plane, - const struct drm_plane_state *state, - struct drm_property *property, - uint64_t *val); - /** - * @late_register: - * - * This optional hook can be used to register additional userspace - * interfaces attached to the plane like debugfs interfaces. - * It is called late in the driver load sequence from drm_dev_register(). - * Everything added from this callback should be unregistered in - * the early_unregister callback. - * - * Returns: - * - * 0 on success, or a negative error code on failure. - */ - int (*late_register)(struct drm_plane *plane); - - /** - * @early_unregister: - * - * This optional hook should be used to unregister the additional - * userspace interfaces attached to the plane from - * late_unregister(). It is called from drm_dev_unregister(), - * early in the driver unload sequence to disable userspace access - * before data structures are torndown. - */ - void (*early_unregister)(struct drm_plane *plane); -}; - -enum drm_plane_type { - DRM_PLANE_TYPE_OVERLAY, - DRM_PLANE_TYPE_PRIMARY, - DRM_PLANE_TYPE_CURSOR, -}; - - -/** - * struct drm_plane - central DRM plane control structure - * @dev: DRM device this plane belongs to - * @head: for list management - * @name: human readable name, can be overwritten by the driver - * @base: base mode object - * @possible_crtcs: pipes this plane can be bound to - * @format_types: array of formats supported by this plane - * @format_count: number of formats supported - * @format_default: driver hasn't supplied supported formats for the plane - * @crtc: currently bound CRTC - * @fb: currently bound fb - * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by - * drm_mode_set_config_internal() to implement correct refcounting. - * @funcs: helper functions - * @properties: property tracking for this plane - * @type: type of plane (overlay, primary, cursor) - * @state: current atomic state for this plane - * @zpos_property: zpos property for this plane - * @helper_private: mid-layer private data - */ -struct drm_plane { - struct drm_device *dev; - struct list_head head; - - char *name; - - /** - * @mutex: - * - * Protects modeset plane state, together with the mutex of &drm_crtc - * this plane is linked to (when active, getting actived or getting - * disabled). - */ - struct drm_modeset_lock mutex; - - struct drm_mode_object base; - - uint32_t possible_crtcs; - uint32_t *format_types; - unsigned int format_count; - bool format_default; - - struct drm_crtc *crtc; - struct drm_framebuffer *fb; - - struct drm_framebuffer *old_fb; - - const struct drm_plane_funcs *funcs; - - struct drm_object_properties properties; - - enum drm_plane_type type; - - /** - * @index: Position inside the mode_config.list, can be used as an array - * index. It is invariant over the lifetime of the plane. - */ - unsigned index; - - const struct drm_plane_helper_funcs *helper_private; - - struct drm_plane_state *state; - - struct drm_property *zpos_property; -}; - -/** - * struct drm_bridge_funcs - drm_bridge control functions - */ -struct drm_bridge_funcs { - /** - * @attach: - * - * This callback is invoked whenever our bridge is being attached to a - * &drm_encoder. - * - * The attach callback is optional. - * - * RETURNS: - * - * Zero on success, error code on failure. - */ - int (*attach)(struct drm_bridge *bridge); - - /** - * @detach: - * - * This callback is invoked whenever our bridge is being detached from a - * &drm_encoder. - * - * The detach callback is optional. - */ - void (*detach)(struct drm_bridge *bridge); - - /** - * @mode_fixup: - * - * This callback is used to validate and adjust a mode. The paramater - * mode is the display mode that should be fed to the next element in - * the display chain, either the final &drm_connector or the next - * &drm_bridge. The parameter adjusted_mode is the input mode the bridge - * requires. It can be modified by this callback and does not need to - * match mode. - * - * This is the only hook that allows a bridge to reject a modeset. If - * this function passes all other callbacks must succeed for this - * configuration. - * - * The mode_fixup callback is optional. - * - * NOTE: - * - * This function is called in the check phase of atomic modesets, which - * can be aborted for any reason (including on userspace's request to - * just check whether a configuration would be possible). Drivers MUST - * NOT touch any persistent state (hardware or software) or data - * structures except the passed in @state parameter. - * - * RETURNS: - * - * True if an acceptable configuration is possible, false if the modeset - * operation should be rejected. - */ - bool (*mode_fixup)(struct drm_bridge *bridge, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); - /** - * @disable: - * - * This callback should disable the bridge. It is called right before - * the preceding element in the display pipe is disabled. If the - * preceding element is a bridge this means it's called before that - * bridge's ->disable() function. If the preceding element is a - * &drm_encoder it's called right before the encoder's ->disable(), - * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs. - * - * The bridge can assume that the display pipe (i.e. clocks and timing - * signals) feeding it is still running when this callback is called. - * - * The disable callback is optional. - */ - void (*disable)(struct drm_bridge *bridge); - - /** - * @post_disable: - * - * This callback should disable the bridge. It is called right after - * the preceding element in the display pipe is disabled. If the - * preceding element is a bridge this means it's called after that - * bridge's ->post_disable() function. If the preceding element is a - * &drm_encoder it's called right after the encoder's ->disable(), - * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs. - * - * The bridge must assume that the display pipe (i.e. clocks and timing - * singals) feeding it is no longer running when this callback is - * called. - * - * The post_disable callback is optional. - */ - void (*post_disable)(struct drm_bridge *bridge); - - /** - * @mode_set: - * - * This callback should set the given mode on the bridge. It is called - * after the ->mode_set() callback for the preceding element in the - * display pipeline has been called already. The display pipe (i.e. - * clocks and timing signals) is off when this function is called. - */ - void (*mode_set)(struct drm_bridge *bridge, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); - /** - * @pre_enable: - * - * This callback should enable the bridge. It is called right before - * the preceding element in the display pipe is enabled. If the - * preceding element is a bridge this means it's called before that - * bridge's ->pre_enable() function. If the preceding element is a - * &drm_encoder it's called right before the encoder's ->enable(), - * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs. - * - * The display pipe (i.e. clocks and timing signals) feeding this bridge - * will not yet be running when this callback is called. The bridge must - * not enable the display link feeding the next bridge in the chain (if - * there is one) when this callback is called. - * - * The pre_enable callback is optional. - */ - void (*pre_enable)(struct drm_bridge *bridge); - - /** - * @enable: - * - * This callback should enable the bridge. It is called right after - * the preceding element in the display pipe is enabled. If the - * preceding element is a bridge this means it's called after that - * bridge's ->enable() function. If the preceding element is a - * &drm_encoder it's called right after the encoder's ->enable(), - * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs. - * - * The bridge can assume that the display pipe (i.e. clocks and timing - * signals) feeding it is running when this callback is called. This - * callback must enable the display link feeding the next bridge in the - * chain if there is one. - * - * The enable callback is optional. - */ - void (*enable)(struct drm_bridge *bridge); -}; - -/** - * struct drm_bridge - central DRM bridge control structure - * @dev: DRM device this bridge belongs to - * @encoder: encoder to which this bridge is connected - * @next: the next bridge in the encoder chain - * @of_node: device node pointer to the bridge - * @list: to keep track of all added bridges - * @funcs: control functions - * @driver_private: pointer to the bridge driver's internal context - */ -struct drm_bridge { - struct drm_device *dev; - struct drm_encoder *encoder; - struct drm_bridge *next; -#ifdef CONFIG_OF - struct device_node *of_node; -#endif - struct list_head list; - - const struct drm_bridge_funcs *funcs; - void *driver_private; -}; - -/** - * struct drm_crtc_commit - track modeset commits on a CRTC - * - * This structure is used to track pending modeset changes and atomic commit on - * a per-CRTC basis. Since updating the list should never block this structure - * is reference counted to allow waiters to safely wait on an event to complete, - * without holding any locks. - * - * It has 3 different events in total to allow a fine-grained synchronization - * between outstanding updates:: - * - * atomic commit thread hardware - * - * write new state into hardware ----> ... - * signal hw_done - * switch to new state on next - * ... v/hblank - * - * wait for buffers to show up ... - * - * ... send completion irq - * irq handler signals flip_done - * cleanup old buffers - * - * signal cleanup_done - * - * wait for flip_done <---- - * clean up atomic state - * - * The important bit to know is that cleanup_done is the terminal event, but the - * ordering between flip_done and hw_done is entirely up to the specific driver - * and modeset state change. - * - * For an implementation of how to use this look at - * drm_atomic_helper_setup_commit() from the atomic helper library. - */ -struct drm_crtc_commit { - /** - * @crtc: - * - * DRM CRTC for this commit. - */ - struct drm_crtc *crtc; - - /** - * @ref: - * - * Reference count for this structure. Needed to allow blocking on - * completions without the risk of the completion disappearing - * meanwhile. - */ - struct kref ref; - - /** - * @flip_done: - * - * Will be signaled when the hardware has flipped to the new set of - * buffers. Signals at the same time as when the drm event for this - * commit is sent to userspace, or when an out-fence is singalled. Note - * that for most hardware, in most cases this happens after @hw_done is - * signalled. - */ - struct completion flip_done; - - /** - * @hw_done: - * - * Will be signalled when all hw register changes for this commit have - * been written out. Especially when disabling a pipe this can be much - * later than than @flip_done, since that can signal already when the - * screen goes black, whereas to fully shut down a pipe more register - * I/O is required. - * - * Note that this does not need to include separately reference-counted - * resources like backing storage buffer pinning, or runtime pm - * management. - */ - struct completion hw_done; - - /** - * @cleanup_done: - * - * Will be signalled after old buffers have been cleaned up by calling - * drm_atomic_helper_cleanup_planes(). Since this can only happen after - * a vblank wait completed it might be a bit later. This completion is - * useful to throttle updates and avoid hardware updates getting ahead - * of the buffer cleanup too much. - */ - struct completion cleanup_done; - - /** - * @commit_entry: - * - * Entry on the per-CRTC commit_list. Protected by crtc->commit_lock. - */ - struct list_head commit_entry; - - /** - * @event: - * - * &drm_pending_vblank_event pointer to clean up private events. - */ - struct drm_pending_vblank_event *event; -}; - -struct __drm_planes_state { - struct drm_plane *ptr; - struct drm_plane_state *state; -}; - -struct __drm_crtcs_state { - struct drm_crtc *ptr; - struct drm_crtc_state *state; - struct drm_crtc_commit *commit; -}; - -struct __drm_connnectors_state { - struct drm_connector *ptr; - struct drm_connector_state *state; -}; - -/** - * struct drm_atomic_state - the global state object for atomic updates - * @dev: parent DRM device - * @allow_modeset: allow full modeset - * @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics - * @legacy_set_config: Disable conflicting encoders instead of failing with -EINVAL. - * @planes: pointer to array of structures with per-plane data - * @crtcs: pointer to array of CRTC pointers - * @num_connector: size of the @connectors and @connector_states arrays - * @connectors: pointer to array of structures with per-connector data - * @acquire_ctx: acquire context for this atomic modeset state update - */ -struct drm_atomic_state { - struct drm_device *dev; - bool allow_modeset : 1; - bool legacy_cursor_update : 1; - bool legacy_set_config : 1; - struct __drm_planes_state *planes; - struct __drm_crtcs_state *crtcs; - int num_connector; - struct __drm_connnectors_state *connectors; - - struct drm_modeset_acquire_ctx *acquire_ctx; - - /** - * @commit_work: - * - * Work item which can be used by the driver or helpers to execute the - * commit without blocking. - */ - struct work_struct commit_work; -}; - - -/** * struct drm_mode_set - new values for a CRTC config change * @fb: framebuffer to use for new config * @crtc: CRTC whose configuration we're about to change @@ -1991,35 +1294,7 @@ struct drm_mode_config { struct drm_mode_config_helper_funcs *helper_private; }; -/** - * drm_for_each_plane_mask - iterate over planes specified by bitmask - * @plane: the loop cursor - * @dev: the DRM device - * @plane_mask: bitmask of plane indices - * - * Iterate over all planes specified by bitmask. - */ -#define drm_for_each_plane_mask(plane, dev, plane_mask) \ - list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ - for_each_if ((plane_mask) & (1 << drm_plane_index(plane))) - -/** - * drm_for_each_encoder_mask - iterate over encoders specified by bitmask - * @encoder: the loop cursor - * @dev: the DRM device - * @encoder_mask: bitmask of encoder indices - * - * Iterate over all encoders specified by bitmask. - */ -#define drm_for_each_encoder_mask(encoder, dev, encoder_mask) \ - list_for_each_entry((encoder), &(dev)->mode_config.encoder_list, head) \ - for_each_if ((encoder_mask) & (1 << drm_encoder_index(encoder))) - #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) -#define obj_to_mode(x) container_of(x, struct drm_display_mode, base) -#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) -#define obj_to_blob(x) container_of(x, struct drm_property_blob, base) -#define obj_to_plane(x) container_of(x, struct drm_plane, base) extern __printf(6, 7) int drm_crtc_init_with_planes(struct drm_device *dev, @@ -2054,36 +1329,6 @@ static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc) return 1 << drm_crtc_index(crtc); } -extern __printf(8, 9) -int drm_universal_plane_init(struct drm_device *dev, - struct drm_plane *plane, - unsigned long possible_crtcs, - const struct drm_plane_funcs *funcs, - const uint32_t *formats, - unsigned int format_count, - enum drm_plane_type type, - const char *name, ...); -extern 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, unsigned int format_count, - bool is_primary); -extern void drm_plane_cleanup(struct drm_plane *plane); - -/** - * drm_plane_index - find the index of a registered plane - * @plane: plane to find index for - * - * Given a registered plane, return the index of that plane within a DRM - * device's list of planes. - */ -static inline unsigned int drm_plane_index(struct drm_plane *plane) -{ - return plane->index; -} -extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); -extern void drm_plane_force_disable(struct drm_plane *plane); extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, int *hdisplay, int *vdisplay); extern int drm_crtc_force_disable(struct drm_crtc *crtc); @@ -2093,9 +1338,6 @@ extern void drm_mode_config_init(struct drm_device *dev); extern void drm_mode_config_reset(struct drm_device *dev); extern void drm_mode_config_cleanup(struct drm_device *dev); -extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, - int gamma_size); - extern int drm_mode_set_config_internal(struct drm_mode_set *set); extern struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, @@ -2105,35 +1347,7 @@ extern struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, extern void drm_mode_put_tile_group(struct drm_device *dev, struct drm_tile_group *tg); -extern int drm_mode_plane_set_obj_prop(struct drm_plane *plane, - struct drm_property *property, - uint64_t value); - -extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, - unsigned int supported_rotations); -extern unsigned int drm_rotation_simplify(unsigned int rotation, - unsigned int supported_rotations); -extern void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc, - uint degamma_lut_size, - bool has_ctm, - uint gamma_lut_size); - -int drm_plane_create_zpos_property(struct drm_plane *plane, - unsigned int zpos, - unsigned int min, unsigned int max); - -int drm_plane_create_zpos_immutable_property(struct drm_plane *plane, - unsigned int zpos); - /* Helpers */ -static inline struct drm_plane *drm_plane_find(struct drm_device *dev, - uint32_t id) -{ - struct drm_mode_object *mo; - mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PLANE); - return mo ? obj_to_plane(mo) : NULL; -} - static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, uint32_t id) { @@ -2142,33 +1356,6 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, return mo ? obj_to_crtc(mo) : NULL; } -/* - * Extract a degamma/gamma LUT value provided by user and round it to the - * precision supported by the hardware. - */ -static inline uint32_t drm_color_lut_extract(uint32_t user_input, - uint32_t bit_precision) -{ - uint32_t val = user_input; - uint32_t max = 0xffff >> (16 - bit_precision); - - /* Round only if we're not using full precision. */ - if (bit_precision < 16) { - val += 1UL << (16 - bit_precision - 1); - val >>= 16 - bit_precision; - } - - return clamp_val(val, 0, max); -} - -/* Plane list iterator for legacy (overlay only) planes. */ -#define drm_for_each_legacy_plane(plane, dev) \ - list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \ - for_each_if (plane->type == DRM_PLANE_TYPE_OVERLAY) - -#define drm_for_each_plane(plane, dev) \ - list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) - #define drm_for_each_crtc(crtc, dev) \ list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) @@ -2186,68 +1373,4 @@ assert_drm_connector_list_read_locked(struct drm_mode_config *mode_config) !drm_modeset_is_locked(&mode_config->connection_mutex)); } -#define drm_for_each_connector(connector, dev) \ - for (assert_drm_connector_list_read_locked(&(dev)->mode_config), \ - connector = list_first_entry(&(dev)->mode_config.connector_list, \ - struct drm_connector, head); \ - &connector->head != (&(dev)->mode_config.connector_list); \ - connector = list_next_entry(connector, head)) - -#define drm_for_each_encoder(encoder, dev) \ - list_for_each_entry(encoder, &(dev)->mode_config.encoder_list, head) - -#define drm_for_each_fb(fb, dev) \ - for (WARN_ON(!mutex_is_locked(&(dev)->mode_config.fb_lock)), \ - fb = list_first_entry(&(dev)->mode_config.fb_list, \ - struct drm_framebuffer, head); \ - &fb->head != (&(dev)->mode_config.fb_list); \ - fb = list_next_entry(fb, head)) - -/* drm_edid.c */ -bool drm_probe_ddc(struct i2c_adapter *adapter); -struct edid *drm_get_edid(struct drm_connector *connector, - struct i2c_adapter *adapter); -struct edid *drm_get_edid_switcheroo(struct drm_connector *connector, - struct i2c_adapter *adapter); -struct edid *drm_edid_duplicate(const struct edid *edid); -int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); - -u8 drm_match_cea_mode(const struct drm_display_mode *to_match); -enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code); -bool drm_detect_hdmi_monitor(struct edid *edid); -bool drm_detect_monitor_audio(struct edid *edid); -bool drm_rgb_quant_range_selectable(struct edid *edid); -int drm_add_modes_noedid(struct drm_connector *connector, - int hdisplay, int vdisplay); -void drm_set_preferred_mode(struct drm_connector *connector, - int hpref, int vpref); - -int drm_edid_header_is_valid(const u8 *raw_edid); -bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, - bool *edid_corrupt); -bool drm_edid_is_valid(struct edid *edid); -void drm_edid_get_monitor_name(struct edid *edid, char *name, - int buflen); -struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, - int hsize, int vsize, int fresh, - bool rb); - -/* drm_bridge.c */ -extern int drm_bridge_add(struct drm_bridge *bridge); -extern void drm_bridge_remove(struct drm_bridge *bridge); -extern struct drm_bridge *of_drm_find_bridge(struct device_node *np); -extern int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge); -extern void drm_bridge_detach(struct drm_bridge *bridge); - -bool drm_bridge_mode_fixup(struct drm_bridge *bridge, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); -void drm_bridge_disable(struct drm_bridge *bridge); -void drm_bridge_post_disable(struct drm_bridge *bridge); -void drm_bridge_mode_set(struct drm_bridge *bridge, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); -void drm_bridge_pre_enable(struct drm_bridge *bridge); -void drm_bridge_enable(struct drm_bridge *bridge); - #endif /* __DRM_CRTC_H__ */ diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 919933d1beb4..c3a7d440bc11 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -25,6 +25,9 @@ #include <linux/types.h> +struct drm_device; +struct i2c_adapter; + #define EDID_LENGTH 128 #define DDC_ADDR 0x50 #define DDC_ADDR2 0x52 /* E-DDC 1.2 - where DisplayID can hide */ @@ -423,9 +426,36 @@ static inline u8 drm_eld_get_conn_type(const uint8_t *eld) return eld[DRM_ELD_SAD_COUNT_CONN_TYPE] & DRM_ELD_CONN_TYPE_MASK; } +bool drm_probe_ddc(struct i2c_adapter *adapter); struct edid *drm_do_get_edid(struct drm_connector *connector, int (*get_edid_block)(void *data, u8 *buf, unsigned int block, size_t len), void *data); +struct edid *drm_get_edid(struct drm_connector *connector, + struct i2c_adapter *adapter); +struct edid *drm_get_edid_switcheroo(struct drm_connector *connector, + struct i2c_adapter *adapter); +struct edid *drm_edid_duplicate(const struct edid *edid); +int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); + +u8 drm_match_cea_mode(const struct drm_display_mode *to_match); +enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code); +bool drm_detect_hdmi_monitor(struct edid *edid); +bool drm_detect_monitor_audio(struct edid *edid); +bool drm_rgb_quant_range_selectable(struct edid *edid); +int drm_add_modes_noedid(struct drm_connector *connector, + int hdisplay, int vdisplay); +void drm_set_preferred_mode(struct drm_connector *connector, + int hpref, int vpref); + +int drm_edid_header_is_valid(const u8 *raw_edid); +bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, + bool *edid_corrupt); +bool drm_edid_is_valid(struct edid *edid); +void drm_edid_get_monitor_name(struct edid *edid, char *name, + int buflen); +struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, + int hsize, int vsize, int fresh, + bool rb); #endif /* __DRM_EDID_H__ */ diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h index fce0203094f7..387e33a4d6ee 100644 --- a/include/drm/drm_encoder.h +++ b/include/drm/drm_encoder.h @@ -224,4 +224,26 @@ static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev, void drm_encoder_cleanup(struct drm_encoder *encoder); +/** + * drm_for_each_encoder_mask - iterate over encoders specified by bitmask + * @encoder: the loop cursor + * @dev: the DRM device + * @encoder_mask: bitmask of encoder indices + * + * Iterate over all encoders specified by bitmask. + */ +#define drm_for_each_encoder_mask(encoder, dev, encoder_mask) \ + list_for_each_entry((encoder), &(dev)->mode_config.encoder_list, head) \ + for_each_if ((encoder_mask) & (1 << drm_encoder_index(encoder))) + +/** + * drm_for_each_encoder - iterate over all encoders + * @encoder: the loop cursor + * @dev: the DRM device + * + * Iterate over all encoders of @dev. + */ +#define drm_for_each_encoder(encoder, dev) \ + list_for_each_entry(encoder, &(dev)->mode_config.encoder_list, head) + #endif diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 797fb5f80c45..e19458dd1a43 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -287,11 +287,6 @@ int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_ int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector); #else -static inline int drm_fb_helper_modinit(void) -{ - return 0; -} - static inline void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, const struct drm_fb_helper_funcs *funcs) diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h index b2554c50a903..f5ae1f436a4b 100644 --- a/include/drm/drm_framebuffer.h +++ b/include/drm/drm_framebuffer.h @@ -206,6 +206,8 @@ struct drm_framebuffer { struct list_head filp_head; }; +#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) + int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, const struct drm_framebuffer_funcs *funcs); @@ -247,4 +249,19 @@ static inline uint32_t drm_framebuffer_read_refcount(struct drm_framebuffer *fb) { return atomic_read(&fb->base.refcount.refcount); } + +/** + * drm_for_each_fb - iterate over all framebuffers + * @fb: the loop cursor + * @dev: the DRM device + * + * Iterate over all framebuffers of @dev. User must hold the fb_lock from + * &drm_mode_config. + */ +#define drm_for_each_fb(fb, dev) \ + for (WARN_ON(!mutex_is_locked(&(dev)->mode_config.fb_lock)), \ + fb = list_first_entry(&(dev)->mode_config.fb_list, \ + struct drm_framebuffer, head); \ + &fb->head != (&(dev)->mode_config.fb_list); \ + fb = list_next_entry(fb, head)) #endif diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h index be3d93839ae2..43460b21d112 100644 --- a/include/drm/drm_mode_object.h +++ b/include/drm/drm_mode_object.h @@ -26,6 +26,7 @@ #include <linux/kref.h> struct drm_object_properties; struct drm_property; +struct drm_device; /** * struct drm_mode_object - base structure for modeset objects diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index 011f199d3bcf..9934d91619c1 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -27,9 +27,13 @@ #ifndef __DRM_MODES_H__ #define __DRM_MODES_H__ +#include <linux/hdmi.h> + #include <drm/drm_mode_object.h> #include <drm/drm_connector.h> +struct videomode; + /* * Note on terminology: here, for brevity and convenience, we refer to connector * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, @@ -403,6 +407,8 @@ struct drm_display_mode { enum hdmi_picture_aspect picture_aspect_ratio; }; +#define obj_to_mode(x) container_of(x, struct drm_display_mode, base) + /** * drm_mode_is_stereo - check for stereo mode flags * @mode: drm_display_mode to check diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h new file mode 100644 index 000000000000..43cf193e54d6 --- /dev/null +++ b/include/drm/drm_plane.h @@ -0,0 +1,526 @@ +/* + * Copyright (c) 2016 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifndef __DRM_PLANE_H__ +#define __DRM_PLANE_H__ + +#include <linux/list.h> +#include <linux/ctype.h> +#include <drm/drm_mode_object.h> + +struct drm_crtc; + +/** + * struct drm_plane_state - mutable plane state + * @plane: backpointer to the plane + * @crtc: currently bound CRTC, NULL if disabled + * @fb: currently bound framebuffer + * @fence: optional fence to wait for before scanning out @fb + * @crtc_x: left position of visible portion of plane on crtc + * @crtc_y: upper position of visible portion of plane on crtc + * @crtc_w: width of visible portion of plane on crtc + * @crtc_h: height of visible portion of plane on crtc + * @src_x: left position of visible portion of plane within + * plane (in 16.16) + * @src_y: upper position of visible portion of plane within + * plane (in 16.16) + * @src_w: width of visible portion of plane (in 16.16) + * @src_h: height of visible portion of plane (in 16.16) + * @rotation: rotation of the plane + * @zpos: priority of the given plane on crtc (optional) + * @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1 + * where N is the number of active planes for given crtc + * @src: clipped source coordinates of the plane (in 16.16) + * @dst: clipped destination coordinates of the plane + * @visible: visibility of the plane + * @state: backpointer to global drm_atomic_state + */ +struct drm_plane_state { + struct drm_plane *plane; + + struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */ + struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */ + struct fence *fence; + + /* Signed dest location allows it to be partially off screen */ + int32_t crtc_x, crtc_y; + uint32_t crtc_w, crtc_h; + + /* Source values are 16.16 fixed point */ + uint32_t src_x, src_y; + uint32_t src_h, src_w; + + /* Plane rotation */ + unsigned int rotation; + + /* Plane zpos */ + unsigned int zpos; + unsigned int normalized_zpos; + + /* Clipped coordinates */ + struct drm_rect src, dst; + + /* + * Is the plane actually visible? Can be false even + * if fb!=NULL and crtc!=NULL, due to clipping. + */ + bool visible; + + struct drm_atomic_state *state; +}; + + +/** + * struct drm_plane_funcs - driver plane control functions + */ +struct drm_plane_funcs { + /** + * @update_plane: + * + * This is the legacy entry point to enable and configure the plane for + * the given CRTC and framebuffer. It is never called to disable the + * plane, i.e. the passed-in crtc and fb paramters are never NULL. + * + * The source rectangle in frame buffer memory coordinates is given by + * the src_x, src_y, src_w and src_h parameters (as 16.16 fixed point + * values). Devices that don't support subpixel plane coordinates can + * ignore the fractional part. + * + * The destination rectangle in CRTC coordinates is given by the + * crtc_x, crtc_y, crtc_w and crtc_h parameters (as integer values). + * Devices scale the source rectangle to the destination rectangle. If + * scaling is not supported, and the source rectangle size doesn't match + * the destination rectangle size, the driver must return a + * -<errorname>EINVAL</errorname> error. + * + * Drivers implementing atomic modeset should use + * drm_atomic_helper_update_plane() to implement this hook. + * + * RETURNS: + * + * 0 on success or a negative error code on failure. + */ + int (*update_plane)(struct drm_plane *plane, + struct drm_crtc *crtc, struct drm_framebuffer *fb, + int crtc_x, int crtc_y, + unsigned int crtc_w, unsigned int crtc_h, + uint32_t src_x, uint32_t src_y, + uint32_t src_w, uint32_t src_h); + + /** + * @disable_plane: + * + * This is the legacy entry point to disable the plane. The DRM core + * calls this method in response to a DRM_IOCTL_MODE_SETPLANE IOCTL call + * with the frame buffer ID set to 0. Disabled planes must not be + * processed by the CRTC. + * + * Drivers implementing atomic modeset should use + * drm_atomic_helper_disable_plane() to implement this hook. + * + * RETURNS: + * + * 0 on success or a negative error code on failure. + */ + int (*disable_plane)(struct drm_plane *plane); + + /** + * @destroy: + * + * Clean up plane resources. This is only called at driver unload time + * through drm_mode_config_cleanup() since a plane cannot be hotplugged + * in DRM. + */ + void (*destroy)(struct drm_plane *plane); + + /** + * @reset: + * + * Reset plane hardware and software state to off. This function isn't + * called by the core directly, only through drm_mode_config_reset(). + * It's not a helper hook only for historical reasons. + * + * Atomic drivers can use drm_atomic_helper_plane_reset() to reset + * atomic state using this hook. + */ + void (*reset)(struct drm_plane *plane); + + /** + * @set_property: + * + * This is the legacy entry point to update a property attached to the + * plane. + * + * Drivers implementing atomic modeset should use + * drm_atomic_helper_plane_set_property() to implement this hook. + * + * This callback is optional if the driver does not support any legacy + * driver-private properties. + * + * RETURNS: + * + * 0 on success or a negative error code on failure. + */ + int (*set_property)(struct drm_plane *plane, + struct drm_property *property, uint64_t val); + + /** + * @atomic_duplicate_state: + * + * Duplicate the current atomic state for this plane and return it. + * The core and helpers gurantee that any atomic state duplicated with + * this hook and still owned by the caller (i.e. not transferred to the + * driver by calling ->atomic_commit() from struct + * &drm_mode_config_funcs) will be cleaned up by calling the + * @atomic_destroy_state hook in this structure. + * + * Atomic drivers which don't subclass struct &drm_plane_state should use + * drm_atomic_helper_plane_duplicate_state(). Drivers that subclass the + * state structure to extend it with driver-private state should use + * __drm_atomic_helper_plane_duplicate_state() to make sure shared state is + * duplicated in a consistent fashion across drivers. + * + * It is an error to call this hook before plane->state has been + * initialized correctly. + * + * NOTE: + * + * If the duplicate state references refcounted resources this hook must + * acquire a reference for each of them. The driver must release these + * references again in @atomic_destroy_state. + * + * RETURNS: + * + * Duplicated atomic state or NULL when the allocation failed. + */ + struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane); + + /** + * @atomic_destroy_state: + * + * Destroy a state duplicated with @atomic_duplicate_state and release + * or unreference all resources it references + */ + void (*atomic_destroy_state)(struct drm_plane *plane, + struct drm_plane_state *state); + + /** + * @atomic_set_property: + * + * Decode a driver-private property value and store the decoded value + * into the passed-in state structure. Since the atomic core decodes all + * standardized properties (even for extensions beyond the core set of + * properties which might not be implemented by all drivers) this + * requires drivers to subclass the state structure. + * + * Such driver-private properties should really only be implemented for + * truly hardware/vendor specific state. Instead it is preferred to + * standardize atomic extension and decode the properties used to expose + * such an extension in the core. + * + * Do not call this function directly, use + * drm_atomic_plane_set_property() instead. + * + * This callback is optional if the driver does not support any + * driver-private atomic properties. + * + * NOTE: + * + * This function is called in the state assembly phase of atomic + * modesets, which can be aborted for any reason (including on + * userspace's request to just check whether a configuration would be + * possible). Drivers MUST NOT touch any persistent state (hardware or + * software) or data structures except the passed in @state parameter. + * + * Also since userspace controls in which order properties are set this + * function must not do any input validation (since the state update is + * incomplete and hence likely inconsistent). Instead any such input + * validation must be done in the various atomic_check callbacks. + * + * RETURNS: + * + * 0 if the property has been found, -EINVAL if the property isn't + * implemented by the driver (which shouldn't ever happen, the core only + * asks for properties attached to this plane). No other validation is + * allowed by the driver. The core already checks that the property + * value is within the range (integer, valid enum value, ...) the driver + * set when registering the property. + */ + int (*atomic_set_property)(struct drm_plane *plane, + struct drm_plane_state *state, + struct drm_property *property, + uint64_t val); + + /** + * @atomic_get_property: + * + * Reads out the decoded driver-private property. This is used to + * implement the GETPLANE IOCTL. + * + * Do not call this function directly, use + * drm_atomic_plane_get_property() instead. + * + * This callback is optional if the driver does not support any + * driver-private atomic properties. + * + * RETURNS: + * + * 0 on success, -EINVAL if the property isn't implemented by the + * driver (which should never happen, the core only asks for + * properties attached to this plane). + */ + int (*atomic_get_property)(struct drm_plane *plane, + const struct drm_plane_state *state, + struct drm_property *property, + uint64_t *val); + /** + * @late_register: + * + * This optional hook can be used to register additional userspace + * interfaces attached to the plane like debugfs interfaces. + * It is called late in the driver load sequence from drm_dev_register(). + * Everything added from this callback should be unregistered in + * the early_unregister callback. + * + * Returns: + * + * 0 on success, or a negative error code on failure. + */ + int (*late_register)(struct drm_plane *plane); + + /** + * @early_unregister: + * + * This optional hook should be used to unregister the additional + * userspace interfaces attached to the plane from + * late_unregister(). It is called from drm_dev_unregister(), + * early in the driver unload sequence to disable userspace access + * before data structures are torndown. + */ + void (*early_unregister)(struct drm_plane *plane); +}; + +/** + * enum drm_plane_type - uapi plane type enumeration + * + * For historical reasons not all planes are made the same. This enumeration is + * used to tell the different types of planes apart to implement the different + * uapi semantics for them. For userspace which is universal plane aware and + * which is using that atomic IOCTL there's no difference between these planes + * (beyong what the driver and hardware can support of course). + * + * For compatibility with legacy userspace, only overlay planes are made + * available to userspace by default. Userspace clients may set the + * DRM_CLIENT_CAP_UNIVERSAL_PLANES client capability bit to indicate that they + * wish to receive a universal plane list containing all plane types. See also + * drm_for_each_legacy_plane(). + * + * WARNING: The values of this enum is UABI since they're exposed in the "type" + * property. + */ +enum drm_plane_type { + /** + * @DRM_PLANE_TYPE_OVERLAY: + * + * Overlay planes represent all non-primary, non-cursor planes. Some + * drivers refer to these types of planes as "sprites" internally. + */ + DRM_PLANE_TYPE_OVERLAY, + + /** + * @DRM_PLANE_TYPE_PRIMARY: + * + * Primary planes represent a "main" plane for a CRTC. Primary planes + * are the planes operated upon by CRTC modesetting and flipping + * operations described in the page_flip and set_config hooks in struct + * &drm_crtc_funcs. + */ + DRM_PLANE_TYPE_PRIMARY, + + /** + * @DRM_PLANE_TYPE_CURSOR: + * + * Cursor planes represent a "cursor" plane for a CRTC. Cursor planes + * are the planes operated upon by the DRM_IOCTL_MODE_CURSOR and + * DRM_IOCTL_MODE_CURSOR2 IOCTLs. + */ + DRM_PLANE_TYPE_CURSOR, +}; + + +/** + * struct drm_plane - central DRM plane control structure + * @dev: DRM device this plane belongs to + * @head: for list management + * @name: human readable name, can be overwritten by the driver + * @base: base mode object + * @possible_crtcs: pipes this plane can be bound to + * @format_types: array of formats supported by this plane + * @format_count: number of formats supported + * @format_default: driver hasn't supplied supported formats for the plane + * @crtc: currently bound CRTC + * @fb: currently bound fb + * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by + * drm_mode_set_config_internal() to implement correct refcounting. + * @funcs: helper functions + * @properties: property tracking for this plane + * @type: type of plane (overlay, primary, cursor) + * @state: current atomic state for this plane + * @zpos_property: zpos property for this plane + * @helper_private: mid-layer private data + */ +struct drm_plane { + struct drm_device *dev; + struct list_head head; + + char *name; + + /** + * @mutex: + * + * Protects modeset plane state, together with the mutex of &drm_crtc + * this plane is linked to (when active, getting actived or getting + * disabled). + */ + struct drm_modeset_lock mutex; + + struct drm_mode_object base; + + uint32_t possible_crtcs; + uint32_t *format_types; + unsigned int format_count; + bool format_default; + + struct drm_crtc *crtc; + struct drm_framebuffer *fb; + + struct drm_framebuffer *old_fb; + + const struct drm_plane_funcs *funcs; + + struct drm_object_properties properties; + + enum drm_plane_type type; + + /** + * @index: Position inside the mode_config.list, can be used as an array + * index. It is invariant over the lifetime of the plane. + */ + unsigned index; + + const struct drm_plane_helper_funcs *helper_private; + + struct drm_plane_state *state; + + struct drm_property *zpos_property; +}; + +#define obj_to_plane(x) container_of(x, struct drm_plane, base) + +extern __printf(8, 9) +int drm_universal_plane_init(struct drm_device *dev, + struct drm_plane *plane, + unsigned long possible_crtcs, + const struct drm_plane_funcs *funcs, + const uint32_t *formats, + unsigned int format_count, + enum drm_plane_type type, + const char *name, ...); +extern 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, unsigned int format_count, + bool is_primary); +extern void drm_plane_cleanup(struct drm_plane *plane); + +/** + * drm_plane_index - find the index of a registered plane + * @plane: plane to find index for + * + * Given a registered plane, return the index of that plane within a DRM + * device's list of planes. + */ +static inline unsigned int drm_plane_index(struct drm_plane *plane) +{ + return plane->index; +} +extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); +extern void drm_plane_force_disable(struct drm_plane *plane); + +int drm_mode_plane_set_obj_prop(struct drm_plane *plane, + struct drm_property *property, + uint64_t value); + +/** + * drm_plane_find - find a &drm_plane + * @dev: DRM device + * @id: plane id + * + * Returns the plane with @id, NULL if it doesn't exist. Simple wrapper around + * drm_mode_object_find(). + */ +static inline struct drm_plane *drm_plane_find(struct drm_device *dev, + uint32_t id) +{ + struct drm_mode_object *mo; + mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PLANE); + return mo ? obj_to_plane(mo) : NULL; +} + +/** + * drm_for_each_plane_mask - iterate over planes specified by bitmask + * @plane: the loop cursor + * @dev: the DRM device + * @plane_mask: bitmask of plane indices + * + * Iterate over all planes specified by bitmask. + */ +#define drm_for_each_plane_mask(plane, dev, plane_mask) \ + list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ + for_each_if ((plane_mask) & (1 << drm_plane_index(plane))) + +/** + * drm_for_each_legacy_plane - iterate over all planes for legacy userspace + * @plane: the loop cursor + * @dev: the DRM device + * + * Iterate over all legacy planes of @dev, excluding primary and cursor planes. + * This is useful for implementing userspace apis when userspace is not + * universal plane aware. See also enum &drm_plane_type. + */ +#define drm_for_each_legacy_plane(plane, dev) \ + list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \ + for_each_if (plane->type == DRM_PLANE_TYPE_OVERLAY) + +/** + * drm_for_each_plane - iterate over all planes + * @plane: the loop cursor + * @dev: the DRM device + * + * Iterate over all planes of @dev, include primary and cursor planes. + */ +#define drm_for_each_plane(plane, dev) \ + list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) + + +#endif diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h index 30ab289be05d..43c4b6a2046d 100644 --- a/include/drm/drm_property.h +++ b/include/drm/drm_property.h @@ -219,6 +219,7 @@ struct drm_prop_enum_list { }; #define obj_to_property(x) container_of(x, struct drm_property, base) +#define obj_to_blob(x) container_of(x, struct drm_property_blob, base) /** * drm_property_type_is - check the type of a property diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h index afba6fcac853..9c03895dc479 100644 --- a/include/drm/drm_vma_manager.h +++ b/include/drm/drm_vma_manager.h @@ -24,16 +24,17 @@ */ #include <drm/drm_mm.h> -#include <linux/fs.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/rbtree.h> #include <linux/spinlock.h> #include <linux/types.h> +struct drm_file; + struct drm_vma_offset_file { struct rb_node vm_rb; - struct file *vm_filp; + struct drm_file *vm_tag; unsigned long vm_count; }; @@ -60,10 +61,11 @@ int drm_vma_offset_add(struct drm_vma_offset_manager *mgr, void drm_vma_offset_remove(struct drm_vma_offset_manager *mgr, struct drm_vma_offset_node *node); -int drm_vma_node_allow(struct drm_vma_offset_node *node, struct file *filp); -void drm_vma_node_revoke(struct drm_vma_offset_node *node, struct file *filp); +int drm_vma_node_allow(struct drm_vma_offset_node *node, struct drm_file *tag); +void drm_vma_node_revoke(struct drm_vma_offset_node *node, + struct drm_file *tag); bool drm_vma_node_is_allowed(struct drm_vma_offset_node *node, - struct file *filp); + struct drm_file *tag); /** * drm_vma_offset_exact_lookup_locked() - Look up node by exact address @@ -214,9 +216,9 @@ static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node, /** * drm_vma_node_verify_access() - Access verification helper for TTM * @node: Offset node - * @filp: Open-file + * @tag: Tag of file to check * - * This checks whether @filp is granted access to @node. It is the same as + * This checks whether @tag is granted access to @node. It is the same as * drm_vma_node_is_allowed() but suitable as drop-in helper for TTM * verify_access() callbacks. * @@ -224,9 +226,9 @@ static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node, * 0 if access is granted, -EACCES otherwise. */ static inline int drm_vma_node_verify_access(struct drm_vma_offset_node *node, - struct file *filp) + struct drm_file *tag) { - return drm_vma_node_is_allowed(node, filp) ? 0 : -EACCES; + return drm_vma_node_is_allowed(node, tag) ? 0 : -EACCES; } #endif /* __DRM_VMA_MANAGER_H__ */ diff --git a/include/uapi/linux/sync_file.h b/include/uapi/linux/sync_file.h index 413303d37b56..5b287d6970b3 100644 --- a/include/uapi/linux/sync_file.h +++ b/include/uapi/linux/sync_file.h @@ -85,15 +85,12 @@ struct sync_file_info { #define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 3, struct sync_merge_data) /** - * DOC: SYNC_IOC_FENCE_INFO - get detailed information on a fence + * DOC: SYNC_IOC_FILE_INFO - get detailed information on a sync_file * - * Takes a struct sync_file_info_data with extra space allocated for pt_info. - * Caller should write the size of the buffer into len. On return, len is - * updated to reflect the total size of the sync_file_info_data including - * pt_info. - * - * pt_info is a buffer containing sync_pt_infos for every sync_pt in the fence. - * To iterate over the sync_pt_infos, use the sync_pt_info.len field. + * Takes a struct sync_file_info. If num_fences is 0, the field is updated + * with the actual number of fences. If num_fences is > 0, the system will + * use the pointer provided on sync_fence_info to return up to num_fences of + * struct sync_fence_info, with detailed fence information. */ #define SYNC_IOC_FILE_INFO _IOWR(SYNC_IOC_MAGIC, 4, struct sync_file_info) |