Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 43 | struct qxl_device *qdev; |
| 44 | |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 45 | spinlock_t delayed_ops_lock; |
| 46 | struct list_head delayed_ops; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 47 | void *shadow; |
| 48 | int size; |
| 49 | |
| 50 | /* dirty memory logging */ |
| 51 | struct { |
| 52 | spinlock_t lock; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 91 | unsigned long flags; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 92 | u32 x1, x2, y1, y2; |
| 93 | |
| 94 | /* TODO: hard coding 32 bpp */ |
Dave Airlie | cc87509 | 2013-11-04 16:38:08 +1000 | [diff] [blame] | 95 | int stride = qfbdev->qfb.base.pitches[0]; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 96 | |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 97 | spin_lock_irqsave(&qfbdev->dirty.lock, flags); |
| 98 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 99 | x1 = qfbdev->dirty.x1; |
| 100 | x2 = qfbdev->dirty.x2; |
| 101 | y1 = qfbdev->dirty.y1; |
| 102 | y2 = qfbdev->dirty.y2; |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 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 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 116 | image->width = x2 - x1 + 1; |
| 117 | image->height = y2 - y1 + 1; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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); |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 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 | |
Gerd Hoffmann | 6090652 | 2015-10-05 12:20:26 +0200 | [diff] [blame] | 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 | } |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 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); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 188 | qxl_dirty_update(qfbdev, 0, y1, info->var.xres, y2 - y1); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 189 | } |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 190 | }; |
| 191 | |
Dave Airlie | 6d01f1f | 2013-04-16 13:24:25 +1000 | [diff] [blame] | 192 | static struct fb_deferred_io qxl_defio = { |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 193 | .delay = QXL_DIRTY_DELAY, |
| 194 | .deferred_io = qxl_deferred_io, |
| 195 | }; |
| 196 | |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 197 | static void qxl_fb_fillrect(struct fb_info *info, |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 198 | const struct fb_fillrect *rect) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 199 | { |
| 200 | struct qxl_fbdev *qfbdev = info->par; |
| 201 | |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 202 | drm_fb_helper_sys_fillrect(info, rect); |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 203 | qxl_dirty_update(qfbdev, rect->dx, rect->dy, rect->width, |
| 204 | rect->height); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 205 | } |
| 206 | |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 207 | static void qxl_fb_copyarea(struct fb_info *info, |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 208 | const struct fb_copyarea *area) |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 209 | { |
| 210 | struct qxl_fbdev *qfbdev = info->par; |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 211 | |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 212 | drm_fb_helper_sys_copyarea(info, area); |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 213 | qxl_dirty_update(qfbdev, area->dx, area->dy, area->width, |
| 214 | area->height); |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 215 | } |
| 216 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 217 | static void qxl_fb_imageblit(struct fb_info *info, |
| 218 | const struct fb_image *image) |
| 219 | { |
| 220 | struct qxl_fbdev *qfbdev = info->par; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 221 | |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 222 | drm_fb_helper_sys_imageblit(info, image); |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 223 | qxl_dirty_update(qfbdev, image->dx, image->dy, image->width, |
| 224 | image->height); |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 225 | } |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 226 | |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 227 | static void qxl_fb_work(struct work_struct *work) |
| 228 | { |
| 229 | struct qxl_device *qdev = container_of(work, struct qxl_device, fb_work); |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 230 | struct qxl_fbdev *qfbdev = qdev->mode_info.qfbdev; |
| 231 | |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 232 | qxl_fb_dirty_flush(qfbdev->helper.fbdev); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | int qxl_fb_init(struct qxl_device *qdev) |
| 236 | { |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 237 | INIT_WORK(&qdev->fb_work, qxl_fb_work); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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, |
Ville Syrjälä | 1eb8345 | 2015-11-11 19:11:29 +0200 | [diff] [blame] | 285 | const struct drm_mode_fb_cmd2 *mode_cmd, |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 | |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 378 | info = drm_fb_helper_alloc_fbi(&qfbdev->helper); |
| 379 | if (IS_ERR(info)) { |
| 380 | ret = PTR_ERR(info); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 392 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 */ |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 422 | goto out_destroy_fbi; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 | |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 434 | out_destroy_fbi: |
| 435 | drm_fb_helper_release_fbi(&qfbdev->helper); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 | { |
Fabian Frederick | f38e34a | 2014-09-14 18:40:19 +0200 | [diff] [blame] | 458 | struct qxl_fbdev *qfbdev = |
| 459 | container_of(helper, struct qxl_fbdev, helper); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 | { |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 474 | struct qxl_framebuffer *qfb = &qfbdev->qfb; |
| 475 | |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 476 | drm_fb_helper_unregister_fbi(&qfbdev->helper); |
| 477 | drm_fb_helper_release_fbi(&qfbdev->helper); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 478 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 | |
Thierry Reding | 3a49387 | 2014-06-27 17:19:23 +0200 | [diff] [blame] | 490 | static const struct drm_fb_helper_funcs qxl_fb_helper_funcs = { |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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; |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 506 | spin_lock_init(&qfbdev->delayed_ops_lock); |
Gerd Hoffmann | c0fe07a | 2015-05-05 13:52:49 +0200 | [diff] [blame] | 507 | spin_lock_init(&qfbdev->dirty.lock); |
Dave Airlie | 0665f9f | 2013-07-22 14:37:39 +1000 | [diff] [blame] | 508 | INIT_LIST_HEAD(&qfbdev->delayed_ops); |
Thierry Reding | 10a2310 | 2014-06-27 17:19:24 +0200 | [diff] [blame] | 509 | |
| 510 | drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper, |
| 511 | &qxl_fb_helper_funcs); |
| 512 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 513 | ret = drm_fb_helper_init(qdev->ddev, &qfbdev->helper, |
Dave Airlie | 07f8d9b | 2013-07-02 06:37:13 +0100 | [diff] [blame] | 514 | qxl_num_crtc /* num_crtc - QXL supports just 1 */, |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 515 | QXLFB_CONN_LIMIT); |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 516 | if (ret) |
| 517 | goto free; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 518 | |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 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; |
| 526 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 527 | return 0; |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 528 | |
| 529 | fini: |
| 530 | drm_fb_helper_fini(&qfbdev->helper); |
| 531 | free: |
| 532 | kfree(qfbdev); |
| 533 | return ret; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 | |
Dave Airlie | b86487a | 2013-07-04 14:59:34 +1000 | [diff] [blame] | 546 | void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state) |
| 547 | { |
Archit Taneja | e7cd84c | 2015-07-22 14:58:13 +0530 | [diff] [blame] | 548 | drm_fb_helper_set_suspend(&qdev->mode_info.qfbdev->helper, state); |
Dave Airlie | b86487a | 2013-07-04 14:59:34 +1000 | [diff] [blame] | 549 | } |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 550 | |
Dave Airlie | b86487a | 2013-07-04 14:59:34 +1000 | [diff] [blame] | 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 | } |