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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; | |
f64122c1 DA |
43 | struct qxl_device *qdev; |
44 | ||
0665f9f8 DA |
45 | spinlock_t delayed_ops_lock; |
46 | struct list_head delayed_ops; | |
f64122c1 DA |
47 | void *shadow; |
48 | int size; | |
49 | ||
50 | /* dirty memory logging */ | |
51 | struct { | |
52 | spinlock_t lock; | |
f64122c1 DA |
53 | unsigned x1; |
54 | unsigned y1; | |
55 | unsigned x2; | |
56 | unsigned y2; | |
57 | } dirty; | |
58 | }; | |
59 | ||
60 | static void qxl_fb_image_init(struct qxl_fb_image *qxl_fb_image, | |
61 | struct qxl_device *qdev, struct fb_info *info, | |
62 | const struct fb_image *image) | |
63 | { | |
64 | qxl_fb_image->qdev = qdev; | |
65 | if (info) { | |
66 | qxl_fb_image->visual = info->fix.visual; | |
67 | if (qxl_fb_image->visual == FB_VISUAL_TRUECOLOR || | |
68 | qxl_fb_image->visual == FB_VISUAL_DIRECTCOLOR) | |
69 | memcpy(&qxl_fb_image->pseudo_palette, | |
70 | info->pseudo_palette, | |
71 | sizeof(qxl_fb_image->pseudo_palette)); | |
72 | } else { | |
73 | /* fallback */ | |
74 | if (image->depth == 1) | |
75 | qxl_fb_image->visual = FB_VISUAL_MONO10; | |
76 | else | |
77 | qxl_fb_image->visual = FB_VISUAL_DIRECTCOLOR; | |
78 | } | |
79 | if (image) { | |
80 | memcpy(&qxl_fb_image->fb_image, image, | |
81 | sizeof(qxl_fb_image->fb_image)); | |
82 | } | |
83 | } | |
84 | ||
85 | static void qxl_fb_dirty_flush(struct fb_info *info) | |
86 | { | |
87 | struct qxl_fbdev *qfbdev = info->par; | |
88 | struct qxl_device *qdev = qfbdev->qdev; | |
89 | struct qxl_fb_image qxl_fb_image; | |
90 | struct fb_image *image = &qxl_fb_image.fb_image; | |
c0fe07aa | 91 | unsigned long flags; |
f64122c1 DA |
92 | u32 x1, x2, y1, y2; |
93 | ||
94 | /* TODO: hard coding 32 bpp */ | |
cc87509d | 95 | int stride = qfbdev->qfb.base.pitches[0]; |
f64122c1 | 96 | |
c0fe07aa GH |
97 | spin_lock_irqsave(&qfbdev->dirty.lock, flags); |
98 | ||
f64122c1 DA |
99 | x1 = qfbdev->dirty.x1; |
100 | x2 = qfbdev->dirty.x2; | |
101 | y1 = qfbdev->dirty.y1; | |
102 | y2 = qfbdev->dirty.y2; | |
c0fe07aa GH |
103 | qfbdev->dirty.x1 = 0; |
104 | qfbdev->dirty.x2 = 0; | |
105 | qfbdev->dirty.y1 = 0; | |
106 | qfbdev->dirty.y2 = 0; | |
107 | ||
108 | spin_unlock_irqrestore(&qfbdev->dirty.lock, flags); | |
109 | ||
f64122c1 DA |
110 | /* |
111 | * we are using a shadow draw buffer, at qdev->surface0_shadow | |
112 | */ | |
113 | qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]", x1, x2, y1, y2); | |
114 | image->dx = x1; | |
115 | image->dy = y1; | |
c0fe07aa GH |
116 | image->width = x2 - x1 + 1; |
117 | image->height = y2 - y1 + 1; | |
f64122c1 DA |
118 | image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized |
119 | warnings */ | |
120 | image->bg_color = 0; | |
121 | image->depth = 32; /* TODO: take from somewhere? */ | |
122 | image->cmap.start = 0; | |
123 | image->cmap.len = 0; | |
124 | image->cmap.red = NULL; | |
125 | image->cmap.green = NULL; | |
126 | image->cmap.blue = NULL; | |
127 | image->cmap.transp = NULL; | |
128 | image->data = qfbdev->shadow + (x1 * 4) + (stride * y1); | |
129 | ||
130 | qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL); | |
131 | qxl_draw_opaque_fb(&qxl_fb_image, stride); | |
c0fe07aa GH |
132 | } |
133 | ||
134 | static void qxl_dirty_update(struct qxl_fbdev *qfbdev, | |
135 | int x, int y, int width, int height) | |
136 | { | |
137 | struct qxl_device *qdev = qfbdev->qdev; | |
138 | unsigned long flags; | |
139 | int x2, y2; | |
140 | ||
141 | x2 = x + width - 1; | |
142 | y2 = y + height - 1; | |
143 | ||
144 | spin_lock_irqsave(&qfbdev->dirty.lock, flags); | |
145 | ||
60906529 GH |
146 | if ((qfbdev->dirty.y2 - qfbdev->dirty.y1) && |
147 | (qfbdev->dirty.x2 - qfbdev->dirty.x1)) { | |
148 | if (qfbdev->dirty.y1 < y) | |
149 | y = qfbdev->dirty.y1; | |
150 | if (qfbdev->dirty.y2 > y2) | |
151 | y2 = qfbdev->dirty.y2; | |
152 | if (qfbdev->dirty.x1 < x) | |
153 | x = qfbdev->dirty.x1; | |
154 | if (qfbdev->dirty.x2 > x2) | |
155 | x2 = qfbdev->dirty.x2; | |
156 | } | |
c0fe07aa GH |
157 | |
158 | qfbdev->dirty.x1 = x; | |
159 | qfbdev->dirty.x2 = x2; | |
160 | qfbdev->dirty.y1 = y; | |
161 | qfbdev->dirty.y2 = y2; | |
162 | ||
163 | spin_unlock_irqrestore(&qfbdev->dirty.lock, flags); | |
164 | ||
165 | schedule_work(&qdev->fb_work); | |
f64122c1 DA |
166 | } |
167 | ||
168 | static void qxl_deferred_io(struct fb_info *info, | |
169 | struct list_head *pagelist) | |
170 | { | |
171 | struct qxl_fbdev *qfbdev = info->par; | |
172 | unsigned long start, end, min, max; | |
173 | struct page *page; | |
174 | int y1, y2; | |
175 | ||
176 | min = ULONG_MAX; | |
177 | max = 0; | |
178 | list_for_each_entry(page, pagelist, lru) { | |
179 | start = page->index << PAGE_SHIFT; | |
180 | end = start + PAGE_SIZE - 1; | |
181 | min = min(min, start); | |
182 | max = max(max, end); | |
183 | } | |
184 | ||
185 | if (min < max) { | |
186 | y1 = min / info->fix.line_length; | |
187 | y2 = (max / info->fix.line_length) + 1; | |
c0fe07aa | 188 | qxl_dirty_update(qfbdev, 0, y1, info->var.xres, y2 - y1); |
f64122c1 | 189 | } |
f64122c1 DA |
190 | }; |
191 | ||
6d01f1f5 | 192 | static struct fb_deferred_io qxl_defio = { |
f64122c1 DA |
193 | .delay = QXL_DIRTY_DELAY, |
194 | .deferred_io = qxl_deferred_io, | |
195 | }; | |
196 | ||
0665f9f8 | 197 | static void qxl_fb_fillrect(struct fb_info *info, |
c0fe07aa | 198 | const struct fb_fillrect *rect) |
f64122c1 DA |
199 | { |
200 | struct qxl_fbdev *qfbdev = info->par; | |
201 | ||
e7cd84cf | 202 | drm_fb_helper_sys_fillrect(info, rect); |
c0fe07aa GH |
203 | qxl_dirty_update(qfbdev, rect->dx, rect->dy, rect->width, |
204 | rect->height); | |
f64122c1 DA |
205 | } |
206 | ||
0665f9f8 | 207 | static void qxl_fb_copyarea(struct fb_info *info, |
c0fe07aa | 208 | const struct fb_copyarea *area) |
0665f9f8 DA |
209 | { |
210 | struct qxl_fbdev *qfbdev = info->par; | |
0665f9f8 | 211 | |
e7cd84cf | 212 | drm_fb_helper_sys_copyarea(info, area); |
c0fe07aa GH |
213 | qxl_dirty_update(qfbdev, area->dx, area->dy, area->width, |
214 | area->height); | |
0665f9f8 DA |
215 | } |
216 | ||
f64122c1 DA |
217 | static void qxl_fb_imageblit(struct fb_info *info, |
218 | const struct fb_image *image) | |
219 | { | |
220 | struct qxl_fbdev *qfbdev = info->par; | |
f64122c1 | 221 | |
e7cd84cf | 222 | drm_fb_helper_sys_imageblit(info, image); |
c0fe07aa GH |
223 | qxl_dirty_update(qfbdev, image->dx, image->dy, image->width, |
224 | image->height); | |
0665f9f8 | 225 | } |
f64122c1 | 226 | |
0665f9f8 DA |
227 | static void qxl_fb_work(struct work_struct *work) |
228 | { | |
229 | struct qxl_device *qdev = container_of(work, struct qxl_device, fb_work); | |
0665f9f8 DA |
230 | struct qxl_fbdev *qfbdev = qdev->mode_info.qfbdev; |
231 | ||
c0fe07aa | 232 | qxl_fb_dirty_flush(qfbdev->helper.fbdev); |
f64122c1 DA |
233 | } |
234 | ||
235 | int qxl_fb_init(struct qxl_device *qdev) | |
236 | { | |
0665f9f8 | 237 | INIT_WORK(&qdev->fb_work, qxl_fb_work); |
f64122c1 DA |
238 | return 0; |
239 | } | |
240 | ||
241 | static struct fb_ops qxlfb_ops = { | |
242 | .owner = THIS_MODULE, | |
243 | .fb_check_var = drm_fb_helper_check_var, | |
244 | .fb_set_par = drm_fb_helper_set_par, /* TODO: copy vmwgfx */ | |
245 | .fb_fillrect = qxl_fb_fillrect, | |
246 | .fb_copyarea = qxl_fb_copyarea, | |
247 | .fb_imageblit = qxl_fb_imageblit, | |
248 | .fb_pan_display = drm_fb_helper_pan_display, | |
249 | .fb_blank = drm_fb_helper_blank, | |
250 | .fb_setcmap = drm_fb_helper_setcmap, | |
251 | .fb_debug_enter = drm_fb_helper_debug_enter, | |
252 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
253 | }; | |
254 | ||
255 | static void qxlfb_destroy_pinned_object(struct drm_gem_object *gobj) | |
256 | { | |
257 | struct qxl_bo *qbo = gem_to_qxl_bo(gobj); | |
258 | int ret; | |
259 | ||
260 | ret = qxl_bo_reserve(qbo, false); | |
261 | if (likely(ret == 0)) { | |
262 | qxl_bo_kunmap(qbo); | |
263 | qxl_bo_unpin(qbo); | |
264 | qxl_bo_unreserve(qbo); | |
265 | } | |
266 | drm_gem_object_unreference_unlocked(gobj); | |
267 | } | |
268 | ||
269 | int qxl_get_handle_for_primary_fb(struct qxl_device *qdev, | |
270 | struct drm_file *file_priv, | |
271 | uint32_t *handle) | |
272 | { | |
273 | int r; | |
274 | struct drm_gem_object *gobj = qdev->fbdev_qfb->obj; | |
275 | ||
276 | BUG_ON(!gobj); | |
277 | /* drm_get_handle_create adds a reference - good */ | |
278 | r = drm_gem_handle_create(file_priv, gobj, handle); | |
279 | if (r) | |
280 | return r; | |
281 | return 0; | |
282 | } | |
283 | ||
284 | static int qxlfb_create_pinned_object(struct qxl_fbdev *qfbdev, | |
1eb83451 | 285 | const struct drm_mode_fb_cmd2 *mode_cmd, |
f64122c1 DA |
286 | struct drm_gem_object **gobj_p) |
287 | { | |
288 | struct qxl_device *qdev = qfbdev->qdev; | |
289 | struct drm_gem_object *gobj = NULL; | |
290 | struct qxl_bo *qbo = NULL; | |
291 | int ret; | |
292 | int aligned_size, size; | |
293 | int height = mode_cmd->height; | |
294 | int bpp; | |
295 | int depth; | |
296 | ||
297 | drm_fb_get_bpp_depth(mode_cmd->pixel_format, &bpp, &depth); | |
298 | ||
299 | size = mode_cmd->pitches[0] * height; | |
300 | aligned_size = ALIGN(size, PAGE_SIZE); | |
301 | /* TODO: unallocate and reallocate surface0 for real. Hack to just | |
302 | * have a large enough surface0 for 1024x768 Xorg 32bpp mode */ | |
303 | ret = qxl_gem_object_create(qdev, aligned_size, 0, | |
304 | QXL_GEM_DOMAIN_SURFACE, | |
305 | false, /* is discardable */ | |
306 | false, /* is kernel (false means device) */ | |
307 | NULL, | |
308 | &gobj); | |
309 | if (ret) { | |
310 | pr_err("failed to allocate framebuffer (%d)\n", | |
311 | aligned_size); | |
312 | return -ENOMEM; | |
313 | } | |
314 | qbo = gem_to_qxl_bo(gobj); | |
315 | ||
316 | qbo->surf.width = mode_cmd->width; | |
317 | qbo->surf.height = mode_cmd->height; | |
318 | qbo->surf.stride = mode_cmd->pitches[0]; | |
319 | qbo->surf.format = SPICE_SURFACE_FMT_32_xRGB; | |
320 | ret = qxl_bo_reserve(qbo, false); | |
321 | if (unlikely(ret != 0)) | |
322 | goto out_unref; | |
323 | ret = qxl_bo_pin(qbo, QXL_GEM_DOMAIN_SURFACE, NULL); | |
324 | if (ret) { | |
325 | qxl_bo_unreserve(qbo); | |
326 | goto out_unref; | |
327 | } | |
328 | ret = qxl_bo_kmap(qbo, NULL); | |
329 | qxl_bo_unreserve(qbo); /* unreserve, will be mmaped */ | |
330 | if (ret) | |
331 | goto out_unref; | |
332 | ||
333 | *gobj_p = gobj; | |
334 | return 0; | |
335 | out_unref: | |
336 | qxlfb_destroy_pinned_object(gobj); | |
337 | *gobj_p = NULL; | |
338 | return ret; | |
339 | } | |
340 | ||
341 | static int qxlfb_create(struct qxl_fbdev *qfbdev, | |
342 | struct drm_fb_helper_surface_size *sizes) | |
343 | { | |
344 | struct qxl_device *qdev = qfbdev->qdev; | |
345 | struct fb_info *info; | |
346 | struct drm_framebuffer *fb = NULL; | |
347 | struct drm_mode_fb_cmd2 mode_cmd; | |
348 | struct drm_gem_object *gobj = NULL; | |
349 | struct qxl_bo *qbo = NULL; | |
f64122c1 DA |
350 | int ret; |
351 | int size; | |
352 | int bpp = sizes->surface_bpp; | |
353 | int depth = sizes->surface_depth; | |
354 | void *shadow; | |
355 | ||
356 | mode_cmd.width = sizes->surface_width; | |
357 | mode_cmd.height = sizes->surface_height; | |
358 | ||
359 | mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 1) / 8), 64); | |
360 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); | |
361 | ||
362 | ret = qxlfb_create_pinned_object(qfbdev, &mode_cmd, &gobj); | |
363 | qbo = gem_to_qxl_bo(gobj); | |
364 | QXL_INFO(qdev, "%s: %dx%d %d\n", __func__, mode_cmd.width, | |
365 | mode_cmd.height, mode_cmd.pitches[0]); | |
366 | ||
367 | shadow = vmalloc(mode_cmd.pitches[0] * mode_cmd.height); | |
368 | /* TODO: what's the usual response to memory allocation errors? */ | |
369 | BUG_ON(!shadow); | |
370 | QXL_INFO(qdev, | |
371 | "surface0 at gpu offset %lld, mmap_offset %lld (virt %p, shadow %p)\n", | |
372 | qxl_bo_gpu_offset(qbo), | |
373 | qxl_bo_mmap_offset(qbo), | |
374 | qbo->kptr, | |
375 | shadow); | |
376 | size = mode_cmd.pitches[0] * mode_cmd.height; | |
377 | ||
e7cd84cf AT |
378 | info = drm_fb_helper_alloc_fbi(&qfbdev->helper); |
379 | if (IS_ERR(info)) { | |
380 | ret = PTR_ERR(info); | |
f64122c1 DA |
381 | goto out_unref; |
382 | } | |
383 | ||
384 | info->par = qfbdev; | |
385 | ||
386 | qxl_framebuffer_init(qdev->ddev, &qfbdev->qfb, &mode_cmd, gobj); | |
387 | ||
388 | fb = &qfbdev->qfb.base; | |
389 | ||
390 | /* setup helper with fb data */ | |
391 | qfbdev->helper.fb = fb; | |
e7cd84cf | 392 | |
f64122c1 DA |
393 | qfbdev->shadow = shadow; |
394 | strcpy(info->fix.id, "qxldrmfb"); | |
395 | ||
396 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); | |
397 | ||
398 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; | |
399 | info->fbops = &qxlfb_ops; | |
400 | ||
401 | /* | |
402 | * TODO: using gobj->size in various places in this function. Not sure | |
403 | * what the difference between the different sizes is. | |
404 | */ | |
405 | info->fix.smem_start = qdev->vram_base; /* TODO - correct? */ | |
406 | info->fix.smem_len = gobj->size; | |
407 | info->screen_base = qfbdev->shadow; | |
408 | info->screen_size = gobj->size; | |
409 | ||
410 | drm_fb_helper_fill_var(info, &qfbdev->helper, sizes->fb_width, | |
411 | sizes->fb_height); | |
412 | ||
413 | /* setup aperture base/size for vesafb takeover */ | |
f64122c1 DA |
414 | info->apertures->ranges[0].base = qdev->ddev->mode_config.fb_base; |
415 | info->apertures->ranges[0].size = qdev->vram_size; | |
416 | ||
417 | info->fix.mmio_start = 0; | |
418 | info->fix.mmio_len = 0; | |
419 | ||
420 | if (info->screen_base == NULL) { | |
421 | ret = -ENOSPC; | |
e7cd84cf | 422 | goto out_destroy_fbi; |
f64122c1 DA |
423 | } |
424 | ||
425 | info->fbdefio = &qxl_defio; | |
426 | fb_deferred_io_init(info); | |
427 | ||
428 | qdev->fbdev_info = info; | |
429 | qdev->fbdev_qfb = &qfbdev->qfb; | |
430 | DRM_INFO("fb mappable at 0x%lX, size %lu\n", info->fix.smem_start, (unsigned long)info->screen_size); | |
431 | DRM_INFO("fb: depth %d, pitch %d, width %d, height %d\n", fb->depth, fb->pitches[0], fb->width, fb->height); | |
432 | return 0; | |
433 | ||
e7cd84cf AT |
434 | out_destroy_fbi: |
435 | drm_fb_helper_release_fbi(&qfbdev->helper); | |
f64122c1 DA |
436 | out_unref: |
437 | if (qbo) { | |
438 | ret = qxl_bo_reserve(qbo, false); | |
439 | if (likely(ret == 0)) { | |
440 | qxl_bo_kunmap(qbo); | |
441 | qxl_bo_unpin(qbo); | |
442 | qxl_bo_unreserve(qbo); | |
443 | } | |
444 | } | |
445 | if (fb && ret) { | |
446 | drm_gem_object_unreference(gobj); | |
447 | drm_framebuffer_cleanup(fb); | |
448 | kfree(fb); | |
449 | } | |
450 | drm_gem_object_unreference(gobj); | |
451 | return ret; | |
452 | } | |
453 | ||
454 | static int qxl_fb_find_or_create_single( | |
455 | struct drm_fb_helper *helper, | |
456 | struct drm_fb_helper_surface_size *sizes) | |
457 | { | |
f38e34ac FF |
458 | struct qxl_fbdev *qfbdev = |
459 | container_of(helper, struct qxl_fbdev, helper); | |
f64122c1 DA |
460 | int new_fb = 0; |
461 | int ret; | |
462 | ||
463 | if (!helper->fb) { | |
464 | ret = qxlfb_create(qfbdev, sizes); | |
465 | if (ret) | |
466 | return ret; | |
467 | new_fb = 1; | |
468 | } | |
469 | return new_fb; | |
470 | } | |
471 | ||
472 | static int qxl_fbdev_destroy(struct drm_device *dev, struct qxl_fbdev *qfbdev) | |
473 | { | |
f64122c1 DA |
474 | struct qxl_framebuffer *qfb = &qfbdev->qfb; |
475 | ||
e7cd84cf AT |
476 | drm_fb_helper_unregister_fbi(&qfbdev->helper); |
477 | drm_fb_helper_release_fbi(&qfbdev->helper); | |
f64122c1 | 478 | |
f64122c1 DA |
479 | if (qfb->obj) { |
480 | qxlfb_destroy_pinned_object(qfb->obj); | |
481 | qfb->obj = NULL; | |
482 | } | |
483 | drm_fb_helper_fini(&qfbdev->helper); | |
484 | vfree(qfbdev->shadow); | |
485 | drm_framebuffer_cleanup(&qfb->base); | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
3a493879 | 490 | static const struct drm_fb_helper_funcs qxl_fb_helper_funcs = { |
f64122c1 DA |
491 | .fb_probe = qxl_fb_find_or_create_single, |
492 | }; | |
493 | ||
494 | int qxl_fbdev_init(struct qxl_device *qdev) | |
495 | { | |
496 | struct qxl_fbdev *qfbdev; | |
497 | int bpp_sel = 32; /* TODO: parameter from somewhere? */ | |
498 | int ret; | |
499 | ||
500 | qfbdev = kzalloc(sizeof(struct qxl_fbdev), GFP_KERNEL); | |
501 | if (!qfbdev) | |
502 | return -ENOMEM; | |
503 | ||
504 | qfbdev->qdev = qdev; | |
505 | qdev->mode_info.qfbdev = qfbdev; | |
0665f9f8 | 506 | spin_lock_init(&qfbdev->delayed_ops_lock); |
c0fe07aa | 507 | spin_lock_init(&qfbdev->dirty.lock); |
0665f9f8 | 508 | INIT_LIST_HEAD(&qfbdev->delayed_ops); |
10a23102 TR |
509 | |
510 | drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper, | |
511 | &qxl_fb_helper_funcs); | |
512 | ||
f64122c1 | 513 | ret = drm_fb_helper_init(qdev->ddev, &qfbdev->helper, |
07f8d9bd | 514 | qxl_num_crtc /* num_crtc - QXL supports just 1 */, |
f64122c1 | 515 | QXLFB_CONN_LIMIT); |
01934c2a TR |
516 | if (ret) |
517 | goto free; | |
518 | ||
519 | ret = drm_fb_helper_single_add_all_connectors(&qfbdev->helper); | |
520 | if (ret) | |
521 | goto fini; | |
522 | ||
523 | ret = drm_fb_helper_initial_config(&qfbdev->helper, bpp_sel); | |
524 | if (ret) | |
525 | goto fini; | |
f64122c1 | 526 | |
f64122c1 | 527 | return 0; |
01934c2a TR |
528 | |
529 | fini: | |
530 | drm_fb_helper_fini(&qfbdev->helper); | |
531 | free: | |
532 | kfree(qfbdev); | |
533 | return ret; | |
f64122c1 DA |
534 | } |
535 | ||
536 | void qxl_fbdev_fini(struct qxl_device *qdev) | |
537 | { | |
538 | if (!qdev->mode_info.qfbdev) | |
539 | return; | |
540 | ||
541 | qxl_fbdev_destroy(qdev->ddev, qdev->mode_info.qfbdev); | |
542 | kfree(qdev->mode_info.qfbdev); | |
543 | qdev->mode_info.qfbdev = NULL; | |
544 | } | |
545 | ||
b86487a6 DA |
546 | void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state) |
547 | { | |
e7cd84cf | 548 | drm_fb_helper_set_suspend(&qdev->mode_info.qfbdev->helper, state); |
b86487a6 | 549 | } |
f64122c1 | 550 | |
b86487a6 DA |
551 | bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj) |
552 | { | |
553 | if (qobj == gem_to_qxl_bo(qdev->mode_info.qfbdev->qfb.obj)) | |
554 | return true; | |
555 | return false; | |
556 | } |