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f64122c1 DA |
1 | /* |
2 | * Copyright © 2013 Red Hat | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * David Airlie | |
25 | */ | |
26 | #include <linux/module.h> | |
27 | #include <linux/fb.h> | |
28 | ||
29 | #include "drmP.h" | |
30 | #include "drm/drm.h" | |
31 | #include "drm/drm_crtc.h" | |
32 | #include "drm/drm_crtc_helper.h" | |
33 | #include "qxl_drv.h" | |
34 | ||
35 | #include "qxl_object.h" | |
36 | #include "drm_fb_helper.h" | |
37 | ||
38 | #define QXL_DIRTY_DELAY (HZ / 30) | |
39 | ||
40 | struct qxl_fbdev { | |
41 | struct drm_fb_helper helper; | |
42 | struct qxl_framebuffer qfb; | |
43 | struct list_head fbdev_list; | |
44 | struct qxl_device *qdev; | |
45 | ||
0665f9f8 DA |
46 | spinlock_t delayed_ops_lock; |
47 | struct list_head delayed_ops; | |
f64122c1 DA |
48 | void *shadow; |
49 | int size; | |
50 | ||
51 | /* dirty memory logging */ | |
52 | struct { | |
53 | spinlock_t lock; | |
f64122c1 DA |
54 | unsigned x1; |
55 | unsigned y1; | |
56 | unsigned x2; | |
57 | unsigned y2; | |
58 | } dirty; | |
59 | }; | |
60 | ||
61 | static void qxl_fb_image_init(struct qxl_fb_image *qxl_fb_image, | |
62 | struct qxl_device *qdev, struct fb_info *info, | |
63 | const struct fb_image *image) | |
64 | { | |
65 | qxl_fb_image->qdev = qdev; | |
66 | if (info) { | |
67 | qxl_fb_image->visual = info->fix.visual; | |
68 | if (qxl_fb_image->visual == FB_VISUAL_TRUECOLOR || | |
69 | qxl_fb_image->visual == FB_VISUAL_DIRECTCOLOR) | |
70 | memcpy(&qxl_fb_image->pseudo_palette, | |
71 | info->pseudo_palette, | |
72 | sizeof(qxl_fb_image->pseudo_palette)); | |
73 | } else { | |
74 | /* fallback */ | |
75 | if (image->depth == 1) | |
76 | qxl_fb_image->visual = FB_VISUAL_MONO10; | |
77 | else | |
78 | qxl_fb_image->visual = FB_VISUAL_DIRECTCOLOR; | |
79 | } | |
80 | if (image) { | |
81 | memcpy(&qxl_fb_image->fb_image, image, | |
82 | sizeof(qxl_fb_image->fb_image)); | |
83 | } | |
84 | } | |
85 | ||
86 | static void qxl_fb_dirty_flush(struct fb_info *info) | |
87 | { | |
88 | struct qxl_fbdev *qfbdev = info->par; | |
89 | struct qxl_device *qdev = qfbdev->qdev; | |
90 | struct qxl_fb_image qxl_fb_image; | |
91 | struct fb_image *image = &qxl_fb_image.fb_image; | |
c0fe07aa | 92 | unsigned long flags; |
f64122c1 DA |
93 | u32 x1, x2, y1, y2; |
94 | ||
95 | /* TODO: hard coding 32 bpp */ | |
cc87509d | 96 | int stride = qfbdev->qfb.base.pitches[0]; |
f64122c1 | 97 | |
c0fe07aa GH |
98 | spin_lock_irqsave(&qfbdev->dirty.lock, flags); |
99 | ||
f64122c1 DA |
100 | x1 = qfbdev->dirty.x1; |
101 | x2 = qfbdev->dirty.x2; | |
102 | y1 = qfbdev->dirty.y1; | |
103 | y2 = qfbdev->dirty.y2; | |
c0fe07aa GH |
104 | qfbdev->dirty.x1 = 0; |
105 | qfbdev->dirty.x2 = 0; | |
106 | qfbdev->dirty.y1 = 0; | |
107 | qfbdev->dirty.y2 = 0; | |
108 | ||
109 | spin_unlock_irqrestore(&qfbdev->dirty.lock, flags); | |
110 | ||
f64122c1 DA |
111 | /* |
112 | * we are using a shadow draw buffer, at qdev->surface0_shadow | |
113 | */ | |
114 | qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]", x1, x2, y1, y2); | |
115 | image->dx = x1; | |
116 | image->dy = y1; | |
c0fe07aa GH |
117 | image->width = x2 - x1 + 1; |
118 | image->height = y2 - y1 + 1; | |
f64122c1 DA |
119 | image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized |
120 | warnings */ | |
121 | image->bg_color = 0; | |
122 | image->depth = 32; /* TODO: take from somewhere? */ | |
123 | image->cmap.start = 0; | |
124 | image->cmap.len = 0; | |
125 | image->cmap.red = NULL; | |
126 | image->cmap.green = NULL; | |
127 | image->cmap.blue = NULL; | |
128 | image->cmap.transp = NULL; | |
129 | image->data = qfbdev->shadow + (x1 * 4) + (stride * y1); | |
130 | ||
131 | qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL); | |
132 | qxl_draw_opaque_fb(&qxl_fb_image, stride); | |
c0fe07aa GH |
133 | } |
134 | ||
135 | static void qxl_dirty_update(struct qxl_fbdev *qfbdev, | |
136 | int x, int y, int width, int height) | |
137 | { | |
138 | struct qxl_device *qdev = qfbdev->qdev; | |
139 | unsigned long flags; | |
140 | int x2, y2; | |
141 | ||
142 | x2 = x + width - 1; | |
143 | y2 = y + height - 1; | |
144 | ||
145 | spin_lock_irqsave(&qfbdev->dirty.lock, flags); | |
146 | ||
60906529 GH |
147 | if ((qfbdev->dirty.y2 - qfbdev->dirty.y1) && |
148 | (qfbdev->dirty.x2 - qfbdev->dirty.x1)) { | |
149 | if (qfbdev->dirty.y1 < y) | |
150 | y = qfbdev->dirty.y1; | |
151 | if (qfbdev->dirty.y2 > y2) | |
152 | y2 = qfbdev->dirty.y2; | |
153 | if (qfbdev->dirty.x1 < x) | |
154 | x = qfbdev->dirty.x1; | |
155 | if (qfbdev->dirty.x2 > x2) | |
156 | x2 = qfbdev->dirty.x2; | |
157 | } | |
c0fe07aa GH |
158 | |
159 | qfbdev->dirty.x1 = x; | |
160 | qfbdev->dirty.x2 = x2; | |
161 | qfbdev->dirty.y1 = y; | |
162 | qfbdev->dirty.y2 = y2; | |
163 | ||
164 | spin_unlock_irqrestore(&qfbdev->dirty.lock, flags); | |
165 | ||
166 | schedule_work(&qdev->fb_work); | |
f64122c1 DA |
167 | } |
168 | ||
169 | static void qxl_deferred_io(struct fb_info *info, | |
170 | struct list_head *pagelist) | |
171 | { | |
172 | struct qxl_fbdev *qfbdev = info->par; | |
173 | unsigned long start, end, min, max; | |
174 | struct page *page; | |
175 | int y1, y2; | |
176 | ||
177 | min = ULONG_MAX; | |
178 | max = 0; | |
179 | list_for_each_entry(page, pagelist, lru) { | |
180 | start = page->index << PAGE_SHIFT; | |
181 | end = start + PAGE_SIZE - 1; | |
182 | min = min(min, start); | |
183 | max = max(max, end); | |
184 | } | |
185 | ||
186 | if (min < max) { | |
187 | y1 = min / info->fix.line_length; | |
188 | y2 = (max / info->fix.line_length) + 1; | |
c0fe07aa | 189 | qxl_dirty_update(qfbdev, 0, y1, info->var.xres, y2 - y1); |
f64122c1 | 190 | } |
f64122c1 DA |
191 | }; |
192 | ||
6d01f1f5 | 193 | static struct fb_deferred_io qxl_defio = { |
f64122c1 DA |
194 | .delay = QXL_DIRTY_DELAY, |
195 | .deferred_io = qxl_deferred_io, | |
196 | }; | |
197 | ||
0665f9f8 | 198 | static void qxl_fb_fillrect(struct fb_info *info, |
c0fe07aa | 199 | const struct fb_fillrect *rect) |
f64122c1 DA |
200 | { |
201 | struct qxl_fbdev *qfbdev = info->par; | |
202 | ||
e7cd84cf | 203 | drm_fb_helper_sys_fillrect(info, rect); |
c0fe07aa GH |
204 | qxl_dirty_update(qfbdev, rect->dx, rect->dy, rect->width, |
205 | rect->height); | |
f64122c1 DA |
206 | } |
207 | ||
0665f9f8 | 208 | static void qxl_fb_copyarea(struct fb_info *info, |
c0fe07aa | 209 | const struct fb_copyarea *area) |
0665f9f8 DA |
210 | { |
211 | struct qxl_fbdev *qfbdev = info->par; | |
0665f9f8 | 212 | |
e7cd84cf | 213 | drm_fb_helper_sys_copyarea(info, area); |
c0fe07aa GH |
214 | qxl_dirty_update(qfbdev, area->dx, area->dy, area->width, |
215 | area->height); | |
0665f9f8 DA |
216 | } |
217 | ||
f64122c1 DA |
218 | static void qxl_fb_imageblit(struct fb_info *info, |
219 | const struct fb_image *image) | |
220 | { | |
221 | struct qxl_fbdev *qfbdev = info->par; | |
f64122c1 | 222 | |
e7cd84cf | 223 | drm_fb_helper_sys_imageblit(info, image); |
c0fe07aa GH |
224 | qxl_dirty_update(qfbdev, image->dx, image->dy, image->width, |
225 | image->height); | |
0665f9f8 | 226 | } |
f64122c1 | 227 | |
0665f9f8 DA |
228 | static void qxl_fb_work(struct work_struct *work) |
229 | { | |
230 | struct qxl_device *qdev = container_of(work, struct qxl_device, fb_work); | |
0665f9f8 DA |
231 | struct qxl_fbdev *qfbdev = qdev->mode_info.qfbdev; |
232 | ||
c0fe07aa | 233 | qxl_fb_dirty_flush(qfbdev->helper.fbdev); |
f64122c1 DA |
234 | } |
235 | ||
236 | int qxl_fb_init(struct qxl_device *qdev) | |
237 | { | |
0665f9f8 | 238 | INIT_WORK(&qdev->fb_work, qxl_fb_work); |
f64122c1 DA |
239 | return 0; |
240 | } | |
241 | ||
242 | static struct fb_ops qxlfb_ops = { | |
243 | .owner = THIS_MODULE, | |
244 | .fb_check_var = drm_fb_helper_check_var, | |
245 | .fb_set_par = drm_fb_helper_set_par, /* TODO: copy vmwgfx */ | |
246 | .fb_fillrect = qxl_fb_fillrect, | |
247 | .fb_copyarea = qxl_fb_copyarea, | |
248 | .fb_imageblit = qxl_fb_imageblit, | |
249 | .fb_pan_display = drm_fb_helper_pan_display, | |
250 | .fb_blank = drm_fb_helper_blank, | |
251 | .fb_setcmap = drm_fb_helper_setcmap, | |
252 | .fb_debug_enter = drm_fb_helper_debug_enter, | |
253 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
254 | }; | |
255 | ||
256 | static void qxlfb_destroy_pinned_object(struct drm_gem_object *gobj) | |
257 | { | |
258 | struct qxl_bo *qbo = gem_to_qxl_bo(gobj); | |
259 | int ret; | |
260 | ||
261 | ret = qxl_bo_reserve(qbo, false); | |
262 | if (likely(ret == 0)) { | |
263 | qxl_bo_kunmap(qbo); | |
264 | qxl_bo_unpin(qbo); | |
265 | qxl_bo_unreserve(qbo); | |
266 | } | |
267 | drm_gem_object_unreference_unlocked(gobj); | |
268 | } | |
269 | ||
270 | int qxl_get_handle_for_primary_fb(struct qxl_device *qdev, | |
271 | struct drm_file *file_priv, | |
272 | uint32_t *handle) | |
273 | { | |
274 | int r; | |
275 | struct drm_gem_object *gobj = qdev->fbdev_qfb->obj; | |
276 | ||
277 | BUG_ON(!gobj); | |
278 | /* drm_get_handle_create adds a reference - good */ | |
279 | r = drm_gem_handle_create(file_priv, gobj, handle); | |
280 | if (r) | |
281 | return r; | |
282 | return 0; | |
283 | } | |
284 | ||
285 | static int qxlfb_create_pinned_object(struct qxl_fbdev *qfbdev, | |
286 | struct drm_mode_fb_cmd2 *mode_cmd, | |
287 | struct drm_gem_object **gobj_p) | |
288 | { | |
289 | struct qxl_device *qdev = qfbdev->qdev; | |
290 | struct drm_gem_object *gobj = NULL; | |
291 | struct qxl_bo *qbo = NULL; | |
292 | int ret; | |
293 | int aligned_size, size; | |
294 | int height = mode_cmd->height; | |
295 | int bpp; | |
296 | int depth; | |
297 | ||
298 | drm_fb_get_bpp_depth(mode_cmd->pixel_format, &bpp, &depth); | |
299 | ||
300 | size = mode_cmd->pitches[0] * height; | |
301 | aligned_size = ALIGN(size, PAGE_SIZE); | |
302 | /* TODO: unallocate and reallocate surface0 for real. Hack to just | |
303 | * have a large enough surface0 for 1024x768 Xorg 32bpp mode */ | |
304 | ret = qxl_gem_object_create(qdev, aligned_size, 0, | |
305 | QXL_GEM_DOMAIN_SURFACE, | |
306 | false, /* is discardable */ | |
307 | false, /* is kernel (false means device) */ | |
308 | NULL, | |
309 | &gobj); | |
310 | if (ret) { | |
311 | pr_err("failed to allocate framebuffer (%d)\n", | |
312 | aligned_size); | |
313 | return -ENOMEM; | |
314 | } | |
315 | qbo = gem_to_qxl_bo(gobj); | |
316 | ||
317 | qbo->surf.width = mode_cmd->width; | |
318 | qbo->surf.height = mode_cmd->height; | |
319 | qbo->surf.stride = mode_cmd->pitches[0]; | |
320 | qbo->surf.format = SPICE_SURFACE_FMT_32_xRGB; | |
321 | ret = qxl_bo_reserve(qbo, false); | |
322 | if (unlikely(ret != 0)) | |
323 | goto out_unref; | |
324 | ret = qxl_bo_pin(qbo, QXL_GEM_DOMAIN_SURFACE, NULL); | |
325 | if (ret) { | |
326 | qxl_bo_unreserve(qbo); | |
327 | goto out_unref; | |
328 | } | |
329 | ret = qxl_bo_kmap(qbo, NULL); | |
330 | qxl_bo_unreserve(qbo); /* unreserve, will be mmaped */ | |
331 | if (ret) | |
332 | goto out_unref; | |
333 | ||
334 | *gobj_p = gobj; | |
335 | return 0; | |
336 | out_unref: | |
337 | qxlfb_destroy_pinned_object(gobj); | |
338 | *gobj_p = NULL; | |
339 | return ret; | |
340 | } | |
341 | ||
342 | static int qxlfb_create(struct qxl_fbdev *qfbdev, | |
343 | struct drm_fb_helper_surface_size *sizes) | |
344 | { | |
345 | struct qxl_device *qdev = qfbdev->qdev; | |
346 | struct fb_info *info; | |
347 | struct drm_framebuffer *fb = NULL; | |
348 | struct drm_mode_fb_cmd2 mode_cmd; | |
349 | struct drm_gem_object *gobj = NULL; | |
350 | struct qxl_bo *qbo = NULL; | |
f64122c1 DA |
351 | int ret; |
352 | int size; | |
353 | int bpp = sizes->surface_bpp; | |
354 | int depth = sizes->surface_depth; | |
355 | void *shadow; | |
356 | ||
357 | mode_cmd.width = sizes->surface_width; | |
358 | mode_cmd.height = sizes->surface_height; | |
359 | ||
360 | mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 1) / 8), 64); | |
361 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); | |
362 | ||
363 | ret = qxlfb_create_pinned_object(qfbdev, &mode_cmd, &gobj); | |
364 | qbo = gem_to_qxl_bo(gobj); | |
365 | QXL_INFO(qdev, "%s: %dx%d %d\n", __func__, mode_cmd.width, | |
366 | mode_cmd.height, mode_cmd.pitches[0]); | |
367 | ||
368 | shadow = vmalloc(mode_cmd.pitches[0] * mode_cmd.height); | |
369 | /* TODO: what's the usual response to memory allocation errors? */ | |
370 | BUG_ON(!shadow); | |
371 | QXL_INFO(qdev, | |
372 | "surface0 at gpu offset %lld, mmap_offset %lld (virt %p, shadow %p)\n", | |
373 | qxl_bo_gpu_offset(qbo), | |
374 | qxl_bo_mmap_offset(qbo), | |
375 | qbo->kptr, | |
376 | shadow); | |
377 | size = mode_cmd.pitches[0] * mode_cmd.height; | |
378 | ||
e7cd84cf AT |
379 | info = drm_fb_helper_alloc_fbi(&qfbdev->helper); |
380 | if (IS_ERR(info)) { | |
381 | ret = PTR_ERR(info); | |
f64122c1 DA |
382 | goto out_unref; |
383 | } | |
384 | ||
385 | info->par = qfbdev; | |
386 | ||
387 | qxl_framebuffer_init(qdev->ddev, &qfbdev->qfb, &mode_cmd, gobj); | |
388 | ||
389 | fb = &qfbdev->qfb.base; | |
390 | ||
391 | /* setup helper with fb data */ | |
392 | qfbdev->helper.fb = fb; | |
e7cd84cf | 393 | |
f64122c1 DA |
394 | qfbdev->shadow = shadow; |
395 | strcpy(info->fix.id, "qxldrmfb"); | |
396 | ||
397 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); | |
398 | ||
399 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; | |
400 | info->fbops = &qxlfb_ops; | |
401 | ||
402 | /* | |
403 | * TODO: using gobj->size in various places in this function. Not sure | |
404 | * what the difference between the different sizes is. | |
405 | */ | |
406 | info->fix.smem_start = qdev->vram_base; /* TODO - correct? */ | |
407 | info->fix.smem_len = gobj->size; | |
408 | info->screen_base = qfbdev->shadow; | |
409 | info->screen_size = gobj->size; | |
410 | ||
411 | drm_fb_helper_fill_var(info, &qfbdev->helper, sizes->fb_width, | |
412 | sizes->fb_height); | |
413 | ||
414 | /* setup aperture base/size for vesafb takeover */ | |
f64122c1 DA |
415 | info->apertures->ranges[0].base = qdev->ddev->mode_config.fb_base; |
416 | info->apertures->ranges[0].size = qdev->vram_size; | |
417 | ||
418 | info->fix.mmio_start = 0; | |
419 | info->fix.mmio_len = 0; | |
420 | ||
421 | if (info->screen_base == NULL) { | |
422 | ret = -ENOSPC; | |
e7cd84cf | 423 | goto out_destroy_fbi; |
f64122c1 DA |
424 | } |
425 | ||
426 | info->fbdefio = &qxl_defio; | |
427 | fb_deferred_io_init(info); | |
428 | ||
429 | qdev->fbdev_info = info; | |
430 | qdev->fbdev_qfb = &qfbdev->qfb; | |
431 | DRM_INFO("fb mappable at 0x%lX, size %lu\n", info->fix.smem_start, (unsigned long)info->screen_size); | |
432 | DRM_INFO("fb: depth %d, pitch %d, width %d, height %d\n", fb->depth, fb->pitches[0], fb->width, fb->height); | |
433 | return 0; | |
434 | ||
e7cd84cf AT |
435 | out_destroy_fbi: |
436 | drm_fb_helper_release_fbi(&qfbdev->helper); | |
f64122c1 DA |
437 | out_unref: |
438 | if (qbo) { | |
439 | ret = qxl_bo_reserve(qbo, false); | |
440 | if (likely(ret == 0)) { | |
441 | qxl_bo_kunmap(qbo); | |
442 | qxl_bo_unpin(qbo); | |
443 | qxl_bo_unreserve(qbo); | |
444 | } | |
445 | } | |
446 | if (fb && ret) { | |
447 | drm_gem_object_unreference(gobj); | |
448 | drm_framebuffer_cleanup(fb); | |
449 | kfree(fb); | |
450 | } | |
451 | drm_gem_object_unreference(gobj); | |
452 | return ret; | |
453 | } | |
454 | ||
455 | static int qxl_fb_find_or_create_single( | |
456 | struct drm_fb_helper *helper, | |
457 | struct drm_fb_helper_surface_size *sizes) | |
458 | { | |
f38e34ac FF |
459 | struct qxl_fbdev *qfbdev = |
460 | container_of(helper, struct qxl_fbdev, helper); | |
f64122c1 DA |
461 | int new_fb = 0; |
462 | int ret; | |
463 | ||
464 | if (!helper->fb) { | |
465 | ret = qxlfb_create(qfbdev, sizes); | |
466 | if (ret) | |
467 | return ret; | |
468 | new_fb = 1; | |
469 | } | |
470 | return new_fb; | |
471 | } | |
472 | ||
473 | static int qxl_fbdev_destroy(struct drm_device *dev, struct qxl_fbdev *qfbdev) | |
474 | { | |
f64122c1 DA |
475 | struct qxl_framebuffer *qfb = &qfbdev->qfb; |
476 | ||
e7cd84cf AT |
477 | drm_fb_helper_unregister_fbi(&qfbdev->helper); |
478 | drm_fb_helper_release_fbi(&qfbdev->helper); | |
f64122c1 | 479 | |
f64122c1 DA |
480 | if (qfb->obj) { |
481 | qxlfb_destroy_pinned_object(qfb->obj); | |
482 | qfb->obj = NULL; | |
483 | } | |
484 | drm_fb_helper_fini(&qfbdev->helper); | |
485 | vfree(qfbdev->shadow); | |
486 | drm_framebuffer_cleanup(&qfb->base); | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
3a493879 | 491 | static const struct drm_fb_helper_funcs qxl_fb_helper_funcs = { |
f64122c1 DA |
492 | .fb_probe = qxl_fb_find_or_create_single, |
493 | }; | |
494 | ||
495 | int qxl_fbdev_init(struct qxl_device *qdev) | |
496 | { | |
497 | struct qxl_fbdev *qfbdev; | |
498 | int bpp_sel = 32; /* TODO: parameter from somewhere? */ | |
499 | int ret; | |
500 | ||
501 | qfbdev = kzalloc(sizeof(struct qxl_fbdev), GFP_KERNEL); | |
502 | if (!qfbdev) | |
503 | return -ENOMEM; | |
504 | ||
505 | qfbdev->qdev = qdev; | |
506 | qdev->mode_info.qfbdev = qfbdev; | |
0665f9f8 | 507 | spin_lock_init(&qfbdev->delayed_ops_lock); |
c0fe07aa | 508 | spin_lock_init(&qfbdev->dirty.lock); |
0665f9f8 | 509 | INIT_LIST_HEAD(&qfbdev->delayed_ops); |
10a23102 TR |
510 | |
511 | drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper, | |
512 | &qxl_fb_helper_funcs); | |
513 | ||
f64122c1 | 514 | ret = drm_fb_helper_init(qdev->ddev, &qfbdev->helper, |
07f8d9bd | 515 | qxl_num_crtc /* num_crtc - QXL supports just 1 */, |
f64122c1 | 516 | QXLFB_CONN_LIMIT); |
01934c2a TR |
517 | if (ret) |
518 | goto free; | |
519 | ||
520 | ret = drm_fb_helper_single_add_all_connectors(&qfbdev->helper); | |
521 | if (ret) | |
522 | goto fini; | |
523 | ||
524 | ret = drm_fb_helper_initial_config(&qfbdev->helper, bpp_sel); | |
525 | if (ret) | |
526 | goto fini; | |
f64122c1 | 527 | |
f64122c1 | 528 | return 0; |
01934c2a TR |
529 | |
530 | fini: | |
531 | drm_fb_helper_fini(&qfbdev->helper); | |
532 | free: | |
533 | kfree(qfbdev); | |
534 | return ret; | |
f64122c1 DA |
535 | } |
536 | ||
537 | void qxl_fbdev_fini(struct qxl_device *qdev) | |
538 | { | |
539 | if (!qdev->mode_info.qfbdev) | |
540 | return; | |
541 | ||
542 | qxl_fbdev_destroy(qdev->ddev, qdev->mode_info.qfbdev); | |
543 | kfree(qdev->mode_info.qfbdev); | |
544 | qdev->mode_info.qfbdev = NULL; | |
545 | } | |
546 | ||
b86487a6 DA |
547 | void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state) |
548 | { | |
e7cd84cf | 549 | drm_fb_helper_set_suspend(&qdev->mode_info.qfbdev->helper, state); |
b86487a6 | 550 | } |
f64122c1 | 551 | |
b86487a6 DA |
552 | bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj) |
553 | { | |
554 | if (qobj == gem_to_qxl_bo(qdev->mode_info.qfbdev->qfb.obj)) | |
555 | return true; | |
556 | return false; | |
557 | } |