[Intel-gfx] [PATCH v6 6/7] efifb: Set info->fbcon_rotate_hint based on drm_get_panel_orientation_quirk
kbuild test robot
lkp at intel.com
Tue Nov 28 21:07:37 UTC 2017
Hi Hans,
I love your patch! Yet something to improve:
[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.15-rc1 next-20171128]
[cannot apply to linus/master]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Hans-de-Goede/drm-fbdev-Panel-orientation-connector-property-support/20171129-001142
base: git://people.freedesktop.org/~airlied/linux.git drm-next
config: x86_64-randconfig-s1-11282357 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
drivers/video/fbdev/efifb.c: In function 'efifb_probe':
drivers/video/fbdev/efifb.c:339:7: error: 'DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP' undeclared (first use in this function)
case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP:
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/fbdev/efifb.c:339:7: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/video/fbdev/efifb.c:342:7: error: 'DRM_MODE_PANEL_ORIENTATION_LEFT_UP' undeclared (first use in this function)
case DRM_MODE_PANEL_ORIENTATION_LEFT_UP:
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/video/fbdev/efifb.c:345:7: error: 'DRM_MODE_PANEL_ORIENTATION_RIGHT_UP' undeclared (first use in this function)
case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP:
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/DRM_MODE_PANEL_ORIENTATION_LEFT_UP +342 drivers/video/fbdev/efifb.c
157
158 static int efifb_probe(struct platform_device *dev)
159 {
160 struct fb_info *info;
161 int err, orientation;
162 unsigned int size_vmode;
163 unsigned int size_remap;
164 unsigned int size_total;
165 char *option = NULL;
166
167 if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || pci_dev_disabled)
168 return -ENODEV;
169
170 if (fb_get_options("efifb", &option))
171 return -ENODEV;
172 efifb_setup(option);
173
174 /* We don't get linelength from UGA Draw Protocol, only from
175 * EFI Graphics Protocol. So if it's not in DMI, and it's not
176 * passed in from the user, we really can't use the framebuffer.
177 */
178 if (!screen_info.lfb_linelength)
179 return -ENODEV;
180
181 if (!screen_info.lfb_depth)
182 screen_info.lfb_depth = 32;
183 if (!screen_info.pages)
184 screen_info.pages = 1;
185 if (!fb_base_is_valid()) {
186 printk(KERN_DEBUG "efifb: invalid framebuffer address\n");
187 return -ENODEV;
188 }
189 printk(KERN_INFO "efifb: probing for efifb\n");
190
191 /* just assume they're all unset if any are */
192 if (!screen_info.blue_size) {
193 screen_info.blue_size = 8;
194 screen_info.blue_pos = 0;
195 screen_info.green_size = 8;
196 screen_info.green_pos = 8;
197 screen_info.red_size = 8;
198 screen_info.red_pos = 16;
199 screen_info.rsvd_size = 8;
200 screen_info.rsvd_pos = 24;
201 }
202
203 efifb_fix.smem_start = screen_info.lfb_base;
204
205 if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE) {
206 u64 ext_lfb_base;
207
208 ext_lfb_base = (u64)(unsigned long)screen_info.ext_lfb_base << 32;
209 efifb_fix.smem_start |= ext_lfb_base;
210 }
211
212 if (bar_resource &&
213 bar_resource->start + bar_offset != efifb_fix.smem_start) {
214 dev_info(&efifb_pci_dev->dev,
215 "BAR has moved, updating efifb address\n");
216 efifb_fix.smem_start = bar_resource->start + bar_offset;
217 }
218
219 efifb_defined.bits_per_pixel = screen_info.lfb_depth;
220 efifb_defined.xres = screen_info.lfb_width;
221 efifb_defined.yres = screen_info.lfb_height;
222 efifb_fix.line_length = screen_info.lfb_linelength;
223
224 /* size_vmode -- that is the amount of memory needed for the
225 * used video mode, i.e. the minimum amount of
226 * memory we need. */
227 size_vmode = efifb_defined.yres * efifb_fix.line_length;
228
229 /* size_total -- all video memory we have. Used for
230 * entries, ressource allocation and bounds
231 * checking. */
232 size_total = screen_info.lfb_size;
233 if (size_total < size_vmode)
234 size_total = size_vmode;
235
236 /* size_remap -- the amount of video memory we are going to
237 * use for efifb. With modern cards it is no
238 * option to simply use size_total as that
239 * wastes plenty of kernel address space. */
240 size_remap = size_vmode * 2;
241 if (size_remap > size_total)
242 size_remap = size_total;
243 if (size_remap % PAGE_SIZE)
244 size_remap += PAGE_SIZE - (size_remap % PAGE_SIZE);
245 efifb_fix.smem_len = size_remap;
246
247 if (request_mem_region(efifb_fix.smem_start, size_remap, "efifb")) {
248 request_mem_succeeded = true;
249 } else {
250 /* We cannot make this fatal. Sometimes this comes from magic
251 spaces our resource handlers simply don't know about */
252 pr_warn("efifb: cannot reserve video memory at 0x%lx\n",
253 efifb_fix.smem_start);
254 }
255
256 info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
257 if (!info) {
258 pr_err("efifb: cannot allocate framebuffer\n");
259 err = -ENOMEM;
260 goto err_release_mem;
261 }
262 platform_set_drvdata(dev, info);
263 info->pseudo_palette = info->par;
264 info->par = NULL;
265
266 info->apertures = alloc_apertures(1);
267 if (!info->apertures) {
268 err = -ENOMEM;
269 goto err_release_fb;
270 }
271 info->apertures->ranges[0].base = efifb_fix.smem_start;
272 info->apertures->ranges[0].size = size_remap;
273
274 if (nowc)
275 info->screen_base = ioremap(efifb_fix.smem_start, efifb_fix.smem_len);
276 else
277 info->screen_base = ioremap_wc(efifb_fix.smem_start, efifb_fix.smem_len);
278 if (!info->screen_base) {
279 pr_err("efifb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n",
280 efifb_fix.smem_len, efifb_fix.smem_start);
281 err = -EIO;
282 goto err_release_fb;
283 }
284
285 pr_info("efifb: framebuffer at 0x%lx, using %dk, total %dk\n",
286 efifb_fix.smem_start, size_remap/1024, size_total/1024);
287 pr_info("efifb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
288 efifb_defined.xres, efifb_defined.yres,
289 efifb_defined.bits_per_pixel, efifb_fix.line_length,
290 screen_info.pages);
291
292 efifb_defined.xres_virtual = efifb_defined.xres;
293 efifb_defined.yres_virtual = efifb_fix.smem_len /
294 efifb_fix.line_length;
295 pr_info("efifb: scrolling: redraw\n");
296 efifb_defined.yres_virtual = efifb_defined.yres;
297
298 /* some dummy values for timing to make fbset happy */
299 efifb_defined.pixclock = 10000000 / efifb_defined.xres *
300 1000 / efifb_defined.yres;
301 efifb_defined.left_margin = (efifb_defined.xres / 8) & 0xf8;
302 efifb_defined.hsync_len = (efifb_defined.xres / 8) & 0xf8;
303
304 efifb_defined.red.offset = screen_info.red_pos;
305 efifb_defined.red.length = screen_info.red_size;
306 efifb_defined.green.offset = screen_info.green_pos;
307 efifb_defined.green.length = screen_info.green_size;
308 efifb_defined.blue.offset = screen_info.blue_pos;
309 efifb_defined.blue.length = screen_info.blue_size;
310 efifb_defined.transp.offset = screen_info.rsvd_pos;
311 efifb_defined.transp.length = screen_info.rsvd_size;
312
313 pr_info("efifb: %s: "
314 "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
315 "Truecolor",
316 screen_info.rsvd_size,
317 screen_info.red_size,
318 screen_info.green_size,
319 screen_info.blue_size,
320 screen_info.rsvd_pos,
321 screen_info.red_pos,
322 screen_info.green_pos,
323 screen_info.blue_pos);
324
325 efifb_fix.ypanstep = 0;
326 efifb_fix.ywrapstep = 0;
327
328 info->fbops = &efifb_ops;
329 info->var = efifb_defined;
330 info->fix = efifb_fix;
331 info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE;
332
333 orientation = drm_get_panel_orientation_quirk(efifb_defined.xres,
334 efifb_defined.yres);
335 switch (orientation) {
336 default:
337 info->fbcon_rotate_hint = FB_ROTATE_UR;
338 break;
> 339 case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP:
340 info->fbcon_rotate_hint = FB_ROTATE_UD;
341 break;
> 342 case DRM_MODE_PANEL_ORIENTATION_LEFT_UP:
343 info->fbcon_rotate_hint = FB_ROTATE_CCW;
344 break;
> 345 case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP:
346 info->fbcon_rotate_hint = FB_ROTATE_CW;
347 break;
348 }
349
350 err = sysfs_create_groups(&dev->dev.kobj, efifb_groups);
351 if (err) {
352 pr_err("efifb: cannot add sysfs attrs\n");
353 goto err_unmap;
354 }
355 err = fb_alloc_cmap(&info->cmap, 256, 0);
356 if (err < 0) {
357 pr_err("efifb: cannot allocate colormap\n");
358 goto err_groups;
359 }
360 err = register_framebuffer(info);
361 if (err < 0) {
362 pr_err("efifb: cannot register framebuffer\n");
363 goto err_fb_dealoc;
364 }
365 fb_info(info, "%s frame buffer device\n", info->fix.id);
366 return 0;
367
368 err_fb_dealoc:
369 fb_dealloc_cmap(&info->cmap);
370 err_groups:
371 sysfs_remove_groups(&dev->dev.kobj, efifb_groups);
372 err_unmap:
373 iounmap(info->screen_base);
374 err_release_fb:
375 framebuffer_release(info);
376 err_release_mem:
377 if (request_mem_succeeded)
378 release_mem_region(efifb_fix.smem_start, size_total);
379 return err;
380 }
381
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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