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32#include <drm/drmP.h>
33#include <drm/radeon_drm.h>
34#include "radeon_drv.h"
35
36#include <drm/drm_pciids.h>
37#include <linux/console.h>
38#include <linux/module.h>
39#include <linux/pm_runtime.h>
40#include <linux/vga_switcheroo.h>
41#include <linux/compat.h>
42#include <drm/drm_gem.h>
43#include <drm/drm_fb_helper.h>
44
45#include <drm/drm_crtc_helper.h>
46#include <drm/drm_probe_helper.h>
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104#define KMS_DRIVER_MAJOR 2
105#define KMS_DRIVER_MINOR 50
106#define KMS_DRIVER_PATCHLEVEL 0
107int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
108void radeon_driver_unload_kms(struct drm_device *dev);
109void radeon_driver_lastclose_kms(struct drm_device *dev);
110int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
111void radeon_driver_postclose_kms(struct drm_device *dev,
112 struct drm_file *file_priv);
113int radeon_suspend_kms(struct drm_device *dev, bool suspend,
114 bool fbcon, bool freeze);
115int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
116u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
117int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
118void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
119void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
120int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
121void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
122irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
123void radeon_gem_object_free(struct drm_gem_object *obj);
124int radeon_gem_object_open(struct drm_gem_object *obj,
125 struct drm_file *file_priv);
126void radeon_gem_object_close(struct drm_gem_object *obj,
127 struct drm_file *file_priv);
128struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
129 struct drm_gem_object *gobj,
130 int flags);
131extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
132 unsigned int flags, int *vpos, int *hpos,
133 ktime_t *stime, ktime_t *etime,
134 const struct drm_display_mode *mode);
135extern bool radeon_is_px(struct drm_device *dev);
136extern const struct drm_ioctl_desc radeon_ioctls_kms[];
137extern int radeon_max_kms_ioctl;
138int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
139int radeon_mode_dumb_mmap(struct drm_file *filp,
140 struct drm_device *dev,
141 uint32_t handle, uint64_t *offset_p);
142int radeon_mode_dumb_create(struct drm_file *file_priv,
143 struct drm_device *dev,
144 struct drm_mode_create_dumb *args);
145struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
146struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
147 struct dma_buf_attachment *,
148 struct sg_table *sg);
149int radeon_gem_prime_pin(struct drm_gem_object *obj);
150void radeon_gem_prime_unpin(struct drm_gem_object *obj);
151struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *);
152void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
153void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
154
155
156#if defined(CONFIG_VGA_SWITCHEROO)
157void radeon_register_atpx_handler(void);
158void radeon_unregister_atpx_handler(void);
159bool radeon_has_atpx_dgpu_power_cntl(void);
160bool radeon_is_atpx_hybrid(void);
161#else
162static inline void radeon_register_atpx_handler(void) {}
163static inline void radeon_unregister_atpx_handler(void) {}
164static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
165static inline bool radeon_is_atpx_hybrid(void) { return false; }
166#endif
167
168int radeon_no_wb;
169int radeon_modeset = -1;
170int radeon_dynclks = -1;
171int radeon_r4xx_atom = 0;
172#ifdef __powerpc__
173
174int radeon_agpmode = -1;
175#else
176int radeon_agpmode = 0;
177#endif
178int radeon_vram_limit = 0;
179int radeon_gart_size = -1;
180int radeon_benchmarking = 0;
181int radeon_testing = 0;
182int radeon_connector_table = 0;
183int radeon_tv = 1;
184int radeon_audio = -1;
185int radeon_disp_priority = 0;
186int radeon_hw_i2c = 0;
187int radeon_pcie_gen2 = -1;
188int radeon_msi = -1;
189int radeon_lockup_timeout = 10000;
190int radeon_fastfb = 0;
191int radeon_dpm = -1;
192int radeon_aspm = -1;
193int radeon_runtime_pm = -1;
194int radeon_hard_reset = 0;
195int radeon_vm_size = 8;
196int radeon_vm_block_size = -1;
197int radeon_deep_color = 0;
198int radeon_use_pflipirq = 2;
199int radeon_bapm = -1;
200int radeon_backlight = -1;
201int radeon_auxch = -1;
202int radeon_mst = 0;
203int radeon_uvd = 1;
204int radeon_vce = 1;
205
206MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
207module_param_named(no_wb, radeon_no_wb, int, 0444);
208
209MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
210module_param_named(modeset, radeon_modeset, int, 0400);
211
212MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
213module_param_named(dynclks, radeon_dynclks, int, 0444);
214
215MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
216module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
217
218MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
219module_param_named(vramlimit, radeon_vram_limit, int, 0600);
220
221MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
222module_param_named(agpmode, radeon_agpmode, int, 0444);
223
224MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
225module_param_named(gartsize, radeon_gart_size, int, 0600);
226
227MODULE_PARM_DESC(benchmark, "Run benchmark");
228module_param_named(benchmark, radeon_benchmarking, int, 0444);
229
230MODULE_PARM_DESC(test, "Run tests");
231module_param_named(test, radeon_testing, int, 0444);
232
233MODULE_PARM_DESC(connector_table, "Force connector table");
234module_param_named(connector_table, radeon_connector_table, int, 0444);
235
236MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
237module_param_named(tv, radeon_tv, int, 0444);
238
239MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
240module_param_named(audio, radeon_audio, int, 0444);
241
242MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
243module_param_named(disp_priority, radeon_disp_priority, int, 0444);
244
245MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
246module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
247
248MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
249module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
250
251MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
252module_param_named(msi, radeon_msi, int, 0444);
253
254MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
255module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
256
257MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
258module_param_named(fastfb, radeon_fastfb, int, 0444);
259
260MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
261module_param_named(dpm, radeon_dpm, int, 0444);
262
263MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
264module_param_named(aspm, radeon_aspm, int, 0444);
265
266MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
267module_param_named(runpm, radeon_runtime_pm, int, 0444);
268
269MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
270module_param_named(hard_reset, radeon_hard_reset, int, 0444);
271
272MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
273module_param_named(vm_size, radeon_vm_size, int, 0444);
274
275MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
276module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
277
278MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
279module_param_named(deep_color, radeon_deep_color, int, 0444);
280
281MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
282module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
283
284MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
285module_param_named(bapm, radeon_bapm, int, 0444);
286
287MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
288module_param_named(backlight, radeon_backlight, int, 0444);
289
290MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
291module_param_named(auxch, radeon_auxch, int, 0444);
292
293MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
294module_param_named(mst, radeon_mst, int, 0444);
295
296MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
297module_param_named(uvd, radeon_uvd, int, 0444);
298
299MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
300module_param_named(vce, radeon_vce, int, 0444);
301
302int radeon_si_support = 1;
303MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
304module_param_named(si_support, radeon_si_support, int, 0444);
305
306int radeon_cik_support = 1;
307MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
308module_param_named(cik_support, radeon_cik_support, int, 0444);
309
310static struct pci_device_id pciidlist[] = {
311 radeon_PCI_IDS
312};
313
314MODULE_DEVICE_TABLE(pci, pciidlist);
315
316static struct drm_driver kms_driver;
317
318bool radeon_device_is_virtual(void);
319
320static int radeon_pci_probe(struct pci_dev *pdev,
321 const struct pci_device_id *ent)
322{
323 int ret;
324
325 if (vga_switcheroo_client_probe_defer(pdev))
326 return -EPROBE_DEFER;
327
328
329 ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "radeondrmfb");
330 if (ret)
331 return ret;
332
333 return drm_get_pci_dev(pdev, ent, &kms_driver);
334}
335
336static void
337radeon_pci_remove(struct pci_dev *pdev)
338{
339 struct drm_device *dev = pci_get_drvdata(pdev);
340
341 drm_put_dev(dev);
342}
343
344static void
345radeon_pci_shutdown(struct pci_dev *pdev)
346{
347
348
349
350 if (radeon_device_is_virtual())
351 radeon_pci_remove(pdev);
352}
353
354static int radeon_pmops_suspend(struct device *dev)
355{
356 struct pci_dev *pdev = to_pci_dev(dev);
357 struct drm_device *drm_dev = pci_get_drvdata(pdev);
358 return radeon_suspend_kms(drm_dev, true, true, false);
359}
360
361static int radeon_pmops_resume(struct device *dev)
362{
363 struct pci_dev *pdev = to_pci_dev(dev);
364 struct drm_device *drm_dev = pci_get_drvdata(pdev);
365
366
367 if (radeon_is_px(drm_dev)) {
368 pm_runtime_disable(dev);
369 pm_runtime_set_active(dev);
370 pm_runtime_enable(dev);
371 }
372
373 return radeon_resume_kms(drm_dev, true, true);
374}
375
376static int radeon_pmops_freeze(struct device *dev)
377{
378 struct pci_dev *pdev = to_pci_dev(dev);
379 struct drm_device *drm_dev = pci_get_drvdata(pdev);
380 return radeon_suspend_kms(drm_dev, false, true, true);
381}
382
383static int radeon_pmops_thaw(struct device *dev)
384{
385 struct pci_dev *pdev = to_pci_dev(dev);
386 struct drm_device *drm_dev = pci_get_drvdata(pdev);
387 return radeon_resume_kms(drm_dev, false, true);
388}
389
390static int radeon_pmops_runtime_suspend(struct device *dev)
391{
392 struct pci_dev *pdev = to_pci_dev(dev);
393 struct drm_device *drm_dev = pci_get_drvdata(pdev);
394 int ret;
395
396 if (!radeon_is_px(drm_dev)) {
397 pm_runtime_forbid(dev);
398 return -EBUSY;
399 }
400
401 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
402 drm_kms_helper_poll_disable(drm_dev);
403
404 ret = radeon_suspend_kms(drm_dev, false, false, false);
405 pci_save_state(pdev);
406 pci_disable_device(pdev);
407 pci_ignore_hotplug(pdev);
408 if (radeon_is_atpx_hybrid())
409 pci_set_power_state(pdev, PCI_D3cold);
410 else if (!radeon_has_atpx_dgpu_power_cntl())
411 pci_set_power_state(pdev, PCI_D3hot);
412 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
413
414 return 0;
415}
416
417static int radeon_pmops_runtime_resume(struct device *dev)
418{
419 struct pci_dev *pdev = to_pci_dev(dev);
420 struct drm_device *drm_dev = pci_get_drvdata(pdev);
421 int ret;
422
423 if (!radeon_is_px(drm_dev))
424 return -EINVAL;
425
426 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
427
428 if (radeon_is_atpx_hybrid() ||
429 !radeon_has_atpx_dgpu_power_cntl())
430 pci_set_power_state(pdev, PCI_D0);
431 pci_restore_state(pdev);
432 ret = pci_enable_device(pdev);
433 if (ret)
434 return ret;
435 pci_set_master(pdev);
436
437 ret = radeon_resume_kms(drm_dev, false, false);
438 drm_kms_helper_poll_enable(drm_dev);
439 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
440 return 0;
441}
442
443static int radeon_pmops_runtime_idle(struct device *dev)
444{
445 struct pci_dev *pdev = to_pci_dev(dev);
446 struct drm_device *drm_dev = pci_get_drvdata(pdev);
447 struct drm_crtc *crtc;
448
449 if (!radeon_is_px(drm_dev)) {
450 pm_runtime_forbid(dev);
451 return -EBUSY;
452 }
453
454 list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
455 if (crtc->enabled) {
456 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
457 return -EBUSY;
458 }
459 }
460
461 pm_runtime_mark_last_busy(dev);
462 pm_runtime_autosuspend(dev);
463
464 return 1;
465}
466
467long radeon_drm_ioctl(struct file *filp,
468 unsigned int cmd, unsigned long arg)
469{
470 struct drm_file *file_priv = filp->private_data;
471 struct drm_device *dev;
472 long ret;
473 dev = file_priv->minor->dev;
474 ret = pm_runtime_get_sync(dev->dev);
475 if (ret < 0)
476 return ret;
477
478 ret = drm_ioctl(filp, cmd, arg);
479
480 pm_runtime_mark_last_busy(dev->dev);
481 pm_runtime_put_autosuspend(dev->dev);
482 return ret;
483}
484
485#ifdef CONFIG_COMPAT
486static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
487{
488 unsigned int nr = DRM_IOCTL_NR(cmd);
489 int ret;
490
491 if (nr < DRM_COMMAND_BASE)
492 return drm_compat_ioctl(filp, cmd, arg);
493
494 ret = radeon_drm_ioctl(filp, cmd, arg);
495
496 return ret;
497}
498#endif
499
500static const struct dev_pm_ops radeon_pm_ops = {
501 .suspend = radeon_pmops_suspend,
502 .resume = radeon_pmops_resume,
503 .freeze = radeon_pmops_freeze,
504 .thaw = radeon_pmops_thaw,
505 .poweroff = radeon_pmops_freeze,
506 .restore = radeon_pmops_resume,
507 .runtime_suspend = radeon_pmops_runtime_suspend,
508 .runtime_resume = radeon_pmops_runtime_resume,
509 .runtime_idle = radeon_pmops_runtime_idle,
510};
511
512static const struct file_operations radeon_driver_kms_fops = {
513 .owner = THIS_MODULE,
514 .open = drm_open,
515 .release = drm_release,
516 .unlocked_ioctl = radeon_drm_ioctl,
517 .mmap = radeon_mmap,
518 .poll = drm_poll,
519 .read = drm_read,
520#ifdef CONFIG_COMPAT
521 .compat_ioctl = radeon_kms_compat_ioctl,
522#endif
523};
524
525static bool
526radeon_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
527 bool in_vblank_irq, int *vpos, int *hpos,
528 ktime_t *stime, ktime_t *etime,
529 const struct drm_display_mode *mode)
530{
531 return radeon_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
532 stime, etime, mode);
533}
534
535static struct drm_driver kms_driver = {
536 .driver_features =
537 DRIVER_USE_AGP | DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER,
538 .load = radeon_driver_load_kms,
539 .open = radeon_driver_open_kms,
540 .postclose = radeon_driver_postclose_kms,
541 .lastclose = radeon_driver_lastclose_kms,
542 .unload = radeon_driver_unload_kms,
543 .get_vblank_counter = radeon_get_vblank_counter_kms,
544 .enable_vblank = radeon_enable_vblank_kms,
545 .disable_vblank = radeon_disable_vblank_kms,
546 .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
547 .get_scanout_position = radeon_get_crtc_scanout_position,
548 .irq_preinstall = radeon_driver_irq_preinstall_kms,
549 .irq_postinstall = radeon_driver_irq_postinstall_kms,
550 .irq_uninstall = radeon_driver_irq_uninstall_kms,
551 .irq_handler = radeon_driver_irq_handler_kms,
552 .ioctls = radeon_ioctls_kms,
553 .gem_free_object_unlocked = radeon_gem_object_free,
554 .gem_open_object = radeon_gem_object_open,
555 .gem_close_object = radeon_gem_object_close,
556 .dumb_create = radeon_mode_dumb_create,
557 .dumb_map_offset = radeon_mode_dumb_mmap,
558 .fops = &radeon_driver_kms_fops,
559
560 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
561 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
562 .gem_prime_export = radeon_gem_prime_export,
563 .gem_prime_import = drm_gem_prime_import,
564 .gem_prime_pin = radeon_gem_prime_pin,
565 .gem_prime_unpin = radeon_gem_prime_unpin,
566 .gem_prime_res_obj = radeon_gem_prime_res_obj,
567 .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
568 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
569 .gem_prime_vmap = radeon_gem_prime_vmap,
570 .gem_prime_vunmap = radeon_gem_prime_vunmap,
571
572 .name = DRIVER_NAME,
573 .desc = DRIVER_DESC,
574 .date = DRIVER_DATE,
575 .major = KMS_DRIVER_MAJOR,
576 .minor = KMS_DRIVER_MINOR,
577 .patchlevel = KMS_DRIVER_PATCHLEVEL,
578};
579
580static struct drm_driver *driver;
581static struct pci_driver *pdriver;
582
583static struct pci_driver radeon_kms_pci_driver = {
584 .name = DRIVER_NAME,
585 .id_table = pciidlist,
586 .probe = radeon_pci_probe,
587 .remove = radeon_pci_remove,
588 .shutdown = radeon_pci_shutdown,
589 .driver.pm = &radeon_pm_ops,
590};
591
592static int __init radeon_init(void)
593{
594 if (vgacon_text_force() && radeon_modeset == -1) {
595 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
596 radeon_modeset = 0;
597 }
598
599 if (radeon_modeset == -1)
600 radeon_modeset = 1;
601
602 if (radeon_modeset == 1) {
603 DRM_INFO("radeon kernel modesetting enabled.\n");
604 driver = &kms_driver;
605 pdriver = &radeon_kms_pci_driver;
606 driver->driver_features |= DRIVER_MODESET;
607 driver->num_ioctls = radeon_max_kms_ioctl;
608 radeon_register_atpx_handler();
609
610 } else {
611 DRM_ERROR("No UMS support in radeon module!\n");
612 return -EINVAL;
613 }
614
615 return pci_register_driver(pdriver);
616}
617
618static void __exit radeon_exit(void)
619{
620 pci_unregister_driver(pdriver);
621 radeon_unregister_atpx_handler();
622}
623
624module_init(radeon_init);
625module_exit(radeon_exit);
626
627MODULE_AUTHOR(DRIVER_AUTHOR);
628MODULE_DESCRIPTION(DRIVER_DESC);
629MODULE_LICENSE("GPL and additional rights");
630
