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1/* SPDX-License-Identifier: GPL-2.0 OR MIT */
2/**************************************************************************
3 *
4 * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
22 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
23 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
24 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
25 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29#ifndef VMWGFX_KMS_H_
30#define VMWGFX_KMS_H_
31
32#include <drm/drm_encoder.h>
33#include <drm/drm_framebuffer.h>
34#include <drm/drm_probe_helper.h>
35
36#include "vmwgfx_drv.h"
37
38/**
39 * struct vmw_du_update_plane - Closure structure for vmw_du_helper_plane_update
40 * @plane: Plane which is being updated.
41 * @old_state: Old state of plane.
42 * @dev_priv: Device private.
43 * @du: Display unit on which to update the plane.
44 * @vfb: Framebuffer which is blitted to display unit.
45 * @out_fence: Out fence for resource finish.
46 * @mutex: The mutex used to protect resource reservation.
47 * @cpu_blit: True if need cpu blit.
48 * @intr: Whether to perform waits interruptible if possible.
49 *
50 * This structure loosely represent the set of operations needed to perform a
51 * plane update on a display unit. Implementer will define that functionality
52 * according to the function callbacks for this structure. In brief it involves
53 * surface/buffer object validation, populate FIFO commands and command
54 * submission to the device.
55 */
56struct vmw_du_update_plane {
57 /**
58 * @calc_fifo_size: Calculate fifo size.
59 *
60 * Determine fifo size for the commands needed for update. The number of
61 * damage clips on display unit @num_hits will be passed to allocate
62 * sufficient fifo space.
63 *
64 * Return: Fifo size needed
65 */
66 uint32_t (*calc_fifo_size)(struct vmw_du_update_plane *update,
67 uint32_t num_hits);
68
69 /**
70 * @post_prepare: Populate fifo for resource preparation.
71 *
72 * Some surface resource or buffer object need some extra cmd submission
73 * like update GB image for proxy surface and define a GMRFB for screen
74 * object. That should be done here as this callback will be
75 * called after FIFO allocation with the address of command buufer.
76 *
77 * This callback is optional.
78 *
79 * Return: Size of commands populated to command buffer.
80 */
81 uint32_t (*post_prepare)(struct vmw_du_update_plane *update, void *cmd);
82
83 /**
84 * @pre_clip: Populate fifo before clip.
85 *
86 * This is where pre clip related command should be populated like
87 * surface copy/DMA, etc.
88 *
89 * This callback is optional.
90 *
91 * Return: Size of commands populated to command buffer.
92 */
93 uint32_t (*pre_clip)(struct vmw_du_update_plane *update, void *cmd,
94 uint32_t num_hits);
95
96 /**
97 * @clip: Populate fifo for clip.
98 *
99 * This is where to populate clips for surface copy/dma or blit commands
100 * if needed. This will be called times have damage in display unit,
101 * which is one if doing full update. @clip is the damage in destination
102 * coordinates which is crtc/DU and @src_x, @src_y is damage clip src in
103 * framebuffer coordinate.
104 *
105 * This callback is optional.
106 *
107 * Return: Size of commands populated to command buffer.
108 */
109 uint32_t (*clip)(struct vmw_du_update_plane *update, void *cmd,
110 struct drm_rect *clip, uint32_t src_x, uint32_t src_y);
111
112 /**
113 * @post_clip: Populate fifo after clip.
114 *
115 * This is where to populate display unit update commands or blit
116 * commands.
117 *
118 * Return: Size of commands populated to command buffer.
119 */
120 uint32_t (*post_clip)(struct vmw_du_update_plane *update, void *cmd,
121 struct drm_rect *bb);
122
123 struct drm_plane *plane;
124 struct drm_plane_state *old_state;
125 struct vmw_private *dev_priv;
126 struct vmw_display_unit *du;
127 struct vmw_framebuffer *vfb;
128 struct vmw_fence_obj **out_fence;
129 struct mutex *mutex;
130 bool intr;
131};
132
133/**
134 * struct vmw_du_update_plane_surface - closure structure for surface
135 * @base: base closure structure.
136 * @cmd_start: FIFO command start address (used by SOU only).
137 */
138struct vmw_du_update_plane_surface {
139 struct vmw_du_update_plane base;
140 /* This member is to handle special case SOU surface update */
141 void *cmd_start;
142};
143
144/**
145 * struct vmw_du_update_plane_buffer - Closure structure for buffer object
146 * @base: Base closure structure.
147 * @fb_left: x1 for fb damage bounding box.
148 * @fb_top: y1 for fb damage bounding box.
149 */
150struct vmw_du_update_plane_buffer {
151 struct vmw_du_update_plane base;
152 int fb_left, fb_top;
153};
154
155/**
156 * struct vmw_kms_dirty - closure structure for the vmw_kms_helper_dirty
157 * function.
158 *
159 * @fifo_commit: Callback that is called once for each display unit after
160 * all clip rects. This function must commit the fifo space reserved by the
161 * helper. Set up by the caller.
162 * @clip: Callback that is called for each cliprect on each display unit.
163 * Set up by the caller.
164 * @fifo_reserve_size: Fifo size that the helper should try to allocat for
165 * each display unit. Set up by the caller.
166 * @dev_priv: Pointer to the device private. Set up by the helper.
167 * @unit: The current display unit. Set up by the helper before a call to @clip.
168 * @cmd: The allocated fifo space. Set up by the helper before the first @clip
169 * call.
170 * @crtc: The crtc for which to build dirty commands.
171 * @num_hits: Number of clip rect commands for this display unit.
172 * Cleared by the helper before the first @clip call. Updated by the @clip
173 * callback.
174 * @fb_x: Clip rect left side in framebuffer coordinates.
175 * @fb_y: Clip rect right side in framebuffer coordinates.
176 * @unit_x1: Clip rect left side in crtc coordinates.
177 * @unit_y1: Clip rect top side in crtc coordinates.
178 * @unit_x2: Clip rect right side in crtc coordinates.
179 * @unit_y2: Clip rect bottom side in crtc coordinates.
180 *
181 * The clip rect coordinates are updated by the helper for each @clip call.
182 * Note that this may be derived from if more info needs to be passed between
183 * helper caller and helper callbacks.
184 */
185struct vmw_kms_dirty {
186 void (*fifo_commit)(struct vmw_kms_dirty *);
187 void (*clip)(struct vmw_kms_dirty *);
188 size_t fifo_reserve_size;
189 struct vmw_private *dev_priv;
190 struct vmw_display_unit *unit;
191 void *cmd;
192 struct drm_crtc *crtc;
193 u32 num_hits;
194 s32 fb_x;
195 s32 fb_y;
196 s32 unit_x1;
197 s32 unit_y1;
198 s32 unit_x2;
199 s32 unit_y2;
200};
201
202#define vmw_framebuffer_to_vfb(x) \
203 container_of(x, struct vmw_framebuffer, base)
204#define vmw_framebuffer_to_vfbs(x) \
205 container_of(x, struct vmw_framebuffer_surface, base.base)
206#define vmw_framebuffer_to_vfbd(x) \
207 container_of(x, struct vmw_framebuffer_bo, base.base)
208
209/**
210 * Base class for framebuffers
211 *
212 * @pin is called the when ever a crtc uses this framebuffer
213 * @unpin is called
214 */
215struct vmw_framebuffer {
216 struct drm_framebuffer base;
217 bool bo;
218};
219
220struct vmw_framebuffer_surface {
221 struct vmw_framebuffer base;
222 struct vmw_user_object uo;
223};
224
225struct vmw_framebuffer_bo {
226 struct vmw_framebuffer base;
227 struct vmw_bo *buffer;
228};
229
230
231static const uint32_t __maybe_unused vmw_primary_plane_formats[] = {
232 DRM_FORMAT_XRGB8888,
233 DRM_FORMAT_ARGB8888,
234 DRM_FORMAT_RGB565,
235 DRM_FORMAT_XRGB1555,
236};
237
238static const uint32_t __maybe_unused vmw_cursor_plane_formats[] = {
239 DRM_FORMAT_ARGB8888,
240};
241
242
243#define vmw_crtc_state_to_vcs(x) container_of(x, struct vmw_crtc_state, base)
244#define vmw_plane_state_to_vps(x) container_of(x, struct vmw_plane_state, base)
245#define vmw_connector_state_to_vcs(x) \
246 container_of(x, struct vmw_connector_state, base)
247#define vmw_plane_to_vcp(x) container_of(x, struct vmw_cursor_plane, base)
248
249/**
250 * Derived class for crtc state object
251 *
252 * @base DRM crtc object
253 */
254struct vmw_crtc_state {
255 struct drm_crtc_state base;
256};
257
258struct vmw_cursor_plane_state {
259 struct vmw_bo *bo;
260 s32 hotspot_x;
261 s32 hotspot_y;
262};
263
264/**
265 * Derived class for plane state object
266 *
267 * @base DRM plane object
268 * @surf Display surface for STDU
269 * @bo display bo for SOU
270 * @content_fb_type Used by STDU.
271 * @bo_size Size of the bo, used by Screen Object Display Unit
272 * @pinned pin count for STDU display surface
273 */
274struct vmw_plane_state {
275 struct drm_plane_state base;
276 struct vmw_user_object uo;
277
278 int content_fb_type;
279 unsigned long bo_size;
280
281 int pinned;
282
283 /* For CPU Blit */
284 unsigned int cpp;
285
286 bool surf_mapped;
287 struct vmw_cursor_plane_state cursor;
288};
289
290
291/**
292 * Derived class for connector state object
293 *
294 * @base DRM connector object
295 * @is_implicit connector property
296 *
297 */
298struct vmw_connector_state {
299 struct drm_connector_state base;
300
301 /**
302 * @gui_x:
303 *
304 * vmwgfx connector property representing the x position of this display
305 * unit (connector is synonymous to display unit) in overall topology.
306 * This is what the device expect as xRoot while creating screen.
307 */
308 int gui_x;
309
310 /**
311 * @gui_y:
312 *
313 * vmwgfx connector property representing the y position of this display
314 * unit (connector is synonymous to display unit) in overall topology.
315 * This is what the device expect as yRoot while creating screen.
316 */
317 int gui_y;
318};
319
320/**
321 * Derived class for cursor plane object
322 *
323 * @base DRM plane object
324 * @cursor.cursor_mobs Cursor mobs available for re-use
325 */
326struct vmw_cursor_plane {
327 struct drm_plane base;
328
329 struct vmw_bo *cursor_mobs[3];
330};
331
332/**
333 * Base class display unit.
334 *
335 * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
336 * so the display unit is all of them at the same time. This is true for both
337 * legacy multimon and screen objects.
338 */
339struct vmw_display_unit {
340 struct drm_crtc crtc;
341 struct drm_encoder encoder;
342 struct drm_connector connector;
343 struct drm_plane primary;
344 struct vmw_cursor_plane cursor;
345
346 struct vmw_surface *cursor_surface;
347 size_t cursor_age;
348
349 int cursor_x;
350 int cursor_y;
351
352 int hotspot_x;
353 int hotspot_y;
354 s32 core_hotspot_x;
355 s32 core_hotspot_y;
356
357 unsigned unit;
358
359 /*
360 * Prefered mode tracking.
361 */
362 unsigned pref_width;
363 unsigned pref_height;
364 bool pref_active;
365
366 /*
367 * Gui positioning
368 */
369 int gui_x;
370 int gui_y;
371 bool is_implicit;
372 int set_gui_x;
373 int set_gui_y;
374
375 struct {
376 struct work_struct crc_generator_work;
377 struct hrtimer timer;
378 ktime_t period_ns;
379
380 /* protects concurrent access to the vblank handler */
381 atomic_t atomic_lock;
382 /* protected by @atomic_lock */
383 bool crc_enabled;
384 struct vmw_surface *surface;
385
386 /* protects concurrent access to the crc worker */
387 spinlock_t crc_state_lock;
388 /* protected by @crc_state_lock */
389 bool crc_pending;
390 u64 frame_start;
391 u64 frame_end;
392 } vkms;
393};
394
395#define vmw_crtc_to_du(x) \
396 container_of(x, struct vmw_display_unit, crtc)
397#define vmw_connector_to_du(x) \
398 container_of(x, struct vmw_display_unit, connector)
399
400
401/*
402 * Shared display unit functions - vmwgfx_kms.c
403 */
404void vmw_du_init(struct vmw_display_unit *du);
405void vmw_du_cleanup(struct vmw_display_unit *du);
406void vmw_du_crtc_save(struct drm_crtc *crtc);
407void vmw_du_crtc_restore(struct drm_crtc *crtc);
408int vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
409 u16 *r, u16 *g, u16 *b,
410 uint32_t size,
411 struct drm_modeset_acquire_ctx *ctx);
412int vmw_du_connector_set_property(struct drm_connector *connector,
413 struct drm_property *property,
414 uint64_t val);
415int vmw_du_connector_atomic_set_property(struct drm_connector *connector,
416 struct drm_connector_state *state,
417 struct drm_property *property,
418 uint64_t val);
419int
420vmw_du_connector_atomic_get_property(struct drm_connector *connector,
421 const struct drm_connector_state *state,
422 struct drm_property *property,
423 uint64_t *val);
424int vmw_du_connector_dpms(struct drm_connector *connector, int mode);
425void vmw_du_connector_save(struct drm_connector *connector);
426void vmw_du_connector_restore(struct drm_connector *connector);
427enum drm_connector_status
428vmw_du_connector_detect(struct drm_connector *connector, bool force);
429int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
430 struct vmw_framebuffer *framebuffer,
431 const struct drm_clip_rect *clips,
432 const struct drm_vmw_rect *vclips,
433 s32 dest_x, s32 dest_y,
434 int num_clips,
435 int increment,
436 struct vmw_kms_dirty *dirty);
437enum drm_mode_status vmw_connector_mode_valid(struct drm_connector *connector,
438 struct drm_display_mode *mode);
439int vmw_connector_get_modes(struct drm_connector *connector);
440
441void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv,
442 struct drm_file *file_priv,
443 struct vmw_validation_context *ctx,
444 struct vmw_fence_obj **out_fence,
445 struct drm_vmw_fence_rep __user *
446 user_fence_rep);
447int vmw_kms_readback(struct vmw_private *dev_priv,
448 struct drm_file *file_priv,
449 struct vmw_framebuffer *vfb,
450 struct drm_vmw_fence_rep __user *user_fence_rep,
451 struct drm_vmw_rect *vclips,
452 uint32_t num_clips);
453struct vmw_framebuffer *
454vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
455 struct vmw_user_object *uo,
456 const struct drm_mode_fb_cmd2 *mode_cmd);
457void vmw_guess_mode_timing(struct drm_display_mode *mode);
458void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv);
459void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv);
460
461/* Universal Plane Helpers */
462void vmw_du_primary_plane_destroy(struct drm_plane *plane);
463void vmw_du_cursor_plane_destroy(struct drm_plane *plane);
464
465/* Atomic Helpers */
466int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
467 struct drm_atomic_state *state);
468int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
469 struct drm_atomic_state *state);
470void vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
471 struct drm_atomic_state *state);
472int vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane,
473 struct drm_plane_state *new_state);
474void vmw_du_cursor_plane_cleanup_fb(struct drm_plane *plane,
475 struct drm_plane_state *old_state);
476void vmw_du_plane_cleanup_fb(struct drm_plane *plane,
477 struct drm_plane_state *old_state);
478void vmw_du_plane_reset(struct drm_plane *plane);
479struct drm_plane_state *vmw_du_plane_duplicate_state(struct drm_plane *plane);
480void vmw_du_plane_destroy_state(struct drm_plane *plane,
481 struct drm_plane_state *state);
482void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps);
483
484int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
485 struct drm_atomic_state *state);
486void vmw_du_crtc_atomic_begin(struct drm_crtc *crtc,
487 struct drm_atomic_state *state);
488void vmw_du_crtc_reset(struct drm_crtc *crtc);
489struct drm_crtc_state *vmw_du_crtc_duplicate_state(struct drm_crtc *crtc);
490void vmw_du_crtc_destroy_state(struct drm_crtc *crtc,
491 struct drm_crtc_state *state);
492void vmw_du_connector_reset(struct drm_connector *connector);
493struct drm_connector_state *
494vmw_du_connector_duplicate_state(struct drm_connector *connector);
495
496void vmw_du_connector_destroy_state(struct drm_connector *connector,
497 struct drm_connector_state *state);
498
499/*
500 * Legacy display unit functions - vmwgfx_ldu.c
501 */
502int vmw_kms_ldu_init_display(struct vmw_private *dev_priv);
503int vmw_kms_ldu_close_display(struct vmw_private *dev_priv);
504int vmw_kms_update_proxy(struct vmw_resource *res,
505 const struct drm_clip_rect *clips,
506 unsigned num_clips,
507 int increment);
508
509/*
510 * Screen Objects display functions - vmwgfx_scrn.c
511 */
512int vmw_kms_sou_init_display(struct vmw_private *dev_priv);
513int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
514 struct vmw_framebuffer *framebuffer,
515 struct drm_clip_rect *clips,
516 struct drm_vmw_rect *vclips,
517 struct vmw_resource *srf,
518 s32 dest_x,
519 s32 dest_y,
520 unsigned num_clips, int inc,
521 struct vmw_fence_obj **out_fence,
522 struct drm_crtc *crtc);
523int vmw_kms_sou_do_bo_dirty(struct vmw_private *dev_priv,
524 struct vmw_framebuffer *framebuffer,
525 struct drm_clip_rect *clips,
526 struct drm_vmw_rect *vclips,
527 unsigned int num_clips, int increment,
528 bool interruptible,
529 struct vmw_fence_obj **out_fence,
530 struct drm_crtc *crtc);
531int vmw_kms_sou_readback(struct vmw_private *dev_priv,
532 struct drm_file *file_priv,
533 struct vmw_framebuffer *vfb,
534 struct drm_vmw_fence_rep __user *user_fence_rep,
535 struct drm_vmw_rect *vclips,
536 uint32_t num_clips,
537 struct drm_crtc *crtc);
538
539/*
540 * Screen Target Display Unit functions - vmwgfx_stdu.c
541 */
542int vmw_kms_stdu_init_display(struct vmw_private *dev_priv);
543int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
544 struct vmw_framebuffer *framebuffer,
545 struct drm_clip_rect *clips,
546 struct drm_vmw_rect *vclips,
547 struct vmw_resource *srf,
548 s32 dest_x,
549 s32 dest_y,
550 unsigned num_clips, int inc,
551 struct vmw_fence_obj **out_fence,
552 struct drm_crtc *crtc);
553int vmw_kms_stdu_readback(struct vmw_private *dev_priv,
554 struct drm_file *file_priv,
555 struct vmw_framebuffer *vfb,
556 struct drm_vmw_fence_rep __user *user_fence_rep,
557 struct drm_clip_rect *clips,
558 struct drm_vmw_rect *vclips,
559 uint32_t num_clips,
560 int increment,
561 struct drm_crtc *crtc);
562
563int vmw_du_helper_plane_update(struct vmw_du_update_plane *update);
564
565/**
566 * vmw_du_translate_to_crtc - Translate a rect from framebuffer to crtc
567 * @state: Plane state.
568 * @r: Rectangle to translate.
569 */
570static inline void vmw_du_translate_to_crtc(struct drm_plane_state *state,
571 struct drm_rect *r)
572{
573 int translate_crtc_x = -((state->src_x >> 16) - state->crtc_x);
574 int translate_crtc_y = -((state->src_y >> 16) - state->crtc_y);
575
576 drm_rect_translate(r, translate_crtc_x, translate_crtc_y);
577}
578
579#endif
1/**************************************************************************
2 *
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef VMWGFX_KMS_H_
29#define VMWGFX_KMS_H_
30
31#include "drmP.h"
32#include "vmwgfx_drv.h"
33
34
35#define vmw_framebuffer_to_vfb(x) \
36 container_of(x, struct vmw_framebuffer, base)
37
38/**
39 * Base class for framebuffers
40 *
41 * @pin is called the when ever a crtc uses this framebuffer
42 * @unpin is called
43 */
44struct vmw_framebuffer {
45 struct drm_framebuffer base;
46 int (*pin)(struct vmw_framebuffer *fb);
47 int (*unpin)(struct vmw_framebuffer *fb);
48};
49
50
51#define vmw_crtc_to_du(x) \
52 container_of(x, struct vmw_display_unit, crtc)
53
54/*
55 * Basic cursor manipulation
56 */
57int vmw_cursor_update_image(struct vmw_private *dev_priv,
58 u32 *image, u32 width, u32 height,
59 u32 hotspotX, u32 hotspotY);
60void vmw_cursor_update_position(struct vmw_private *dev_priv,
61 bool show, int x, int y);
62
63/**
64 * Base class display unit.
65 *
66 * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
67 * so the display unit is all of them at the same time. This is true for both
68 * legacy multimon and screen objects.
69 */
70struct vmw_display_unit {
71 struct drm_crtc crtc;
72 struct drm_encoder encoder;
73 struct drm_connector connector;
74
75 struct vmw_surface *cursor_surface;
76 struct vmw_dma_buffer *cursor_dmabuf;
77 size_t cursor_age;
78
79 int cursor_x;
80 int cursor_y;
81
82 int hotspot_x;
83 int hotspot_y;
84
85 unsigned unit;
86};
87
88/*
89 * Shared display unit functions - vmwgfx_kms.c
90 */
91void vmw_display_unit_cleanup(struct vmw_display_unit *du);
92int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
93 uint32_t handle, uint32_t width, uint32_t height);
94int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
95
96/*
97 * Legacy display unit functions - vmwgfx_ldu.c
98 */
99int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv);
100int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv);
101int vmw_kms_ldu_update_layout(struct vmw_private *dev_priv, unsigned num,
102 struct drm_vmw_rect *rects);
103
104#endif