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1/**
2 * \file radeon_drv.c
3 * ATI Radeon driver
4 *
5 * \author Gareth Hughes <gareth@valinux.com>
6 */
7
8/*
9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10 * All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29 * OTHER DEALINGS IN THE SOFTWARE.
30 */
31
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/apple-gmux.h>
38#include <linux/console.h>
39#include <linux/module.h>
40#include <linux/pm_runtime.h>
41#include <linux/vgaarb.h>
42#include <linux/vga_switcheroo.h>
43#include <drm/drm_gem.h>
44
45#include "drm_crtc_helper.h"
46#include "radeon_kfd.h"
47
48/*
49 * KMS wrapper.
50 * - 2.0.0 - initial interface
51 * - 2.1.0 - add square tiling interface
52 * - 2.2.0 - add r6xx/r7xx const buffer support
53 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
54 * - 2.4.0 - add crtc id query
55 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
56 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
57 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
58 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
59 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
60 * 2.10.0 - fusion 2D tiling
61 * 2.11.0 - backend map, initial compute support for the CS checker
62 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
63 * 2.13.0 - virtual memory support, streamout
64 * 2.14.0 - add evergreen tiling informations
65 * 2.15.0 - add max_pipes query
66 * 2.16.0 - fix evergreen 2D tiled surface calculation
67 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
68 * 2.18.0 - r600-eg: allow "invalid" DB formats
69 * 2.19.0 - r600-eg: MSAA textures
70 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
71 * 2.21.0 - r600-r700: FMASK and CMASK
72 * 2.22.0 - r600 only: RESOLVE_BOX allowed
73 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
74 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
75 * 2.25.0 - eg+: new info request for num SE and num SH
76 * 2.26.0 - r600-eg: fix htile size computation
77 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA
78 * 2.28.0 - r600-eg: Add MEM_WRITE packet support
79 * 2.29.0 - R500 FP16 color clear registers
80 * 2.30.0 - fix for FMASK texturing
81 * 2.31.0 - Add fastfb support for rs690
82 * 2.32.0 - new info request for rings working
83 * 2.33.0 - Add SI tiling mode array query
84 * 2.34.0 - Add CIK tiling mode array query
85 * 2.35.0 - Add CIK macrotile mode array query
86 * 2.36.0 - Fix CIK DCE tiling setup
87 * 2.37.0 - allow GS ring setup on r6xx/r7xx
88 * 2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
89 * CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
90 * 2.39.0 - Add INFO query for number of active CUs
91 * 2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
92 * CS to GPU on >= r600
93 * 2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
94 * 2.42.0 - Add VCE/VUI (Video Usability Information) support
95 * 2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
96 */
97#define KMS_DRIVER_MAJOR 2
98#define KMS_DRIVER_MINOR 43
99#define KMS_DRIVER_PATCHLEVEL 0
100int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
101int radeon_driver_unload_kms(struct drm_device *dev);
102void radeon_driver_lastclose_kms(struct drm_device *dev);
103int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
104void radeon_driver_postclose_kms(struct drm_device *dev,
105 struct drm_file *file_priv);
106void radeon_driver_preclose_kms(struct drm_device *dev,
107 struct drm_file *file_priv);
108int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
109int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
110u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
111int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
112void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
113int radeon_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
114 int *max_error,
115 struct timeval *vblank_time,
116 unsigned flags);
117void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
118int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
119void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
120irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
121void radeon_gem_object_free(struct drm_gem_object *obj);
122int radeon_gem_object_open(struct drm_gem_object *obj,
123 struct drm_file *file_priv);
124void radeon_gem_object_close(struct drm_gem_object *obj,
125 struct drm_file *file_priv);
126struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
127 struct drm_gem_object *gobj,
128 int flags);
129extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
130 unsigned int flags, int *vpos, int *hpos,
131 ktime_t *stime, ktime_t *etime,
132 const struct drm_display_mode *mode);
133extern bool radeon_is_px(struct drm_device *dev);
134extern const struct drm_ioctl_desc radeon_ioctls_kms[];
135extern int radeon_max_kms_ioctl;
136int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
137int radeon_mode_dumb_mmap(struct drm_file *filp,
138 struct drm_device *dev,
139 uint32_t handle, uint64_t *offset_p);
140int radeon_mode_dumb_create(struct drm_file *file_priv,
141 struct drm_device *dev,
142 struct drm_mode_create_dumb *args);
143struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
144struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
145 struct dma_buf_attachment *,
146 struct sg_table *sg);
147int radeon_gem_prime_pin(struct drm_gem_object *obj);
148void radeon_gem_prime_unpin(struct drm_gem_object *obj);
149struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *);
150void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
151void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
152extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
153 unsigned long arg);
154
155#if defined(CONFIG_DEBUG_FS)
156int radeon_debugfs_init(struct drm_minor *minor);
157void radeon_debugfs_cleanup(struct drm_minor *minor);
158#endif
159
160/* atpx handler */
161#if defined(CONFIG_VGA_SWITCHEROO)
162void radeon_register_atpx_handler(void);
163void radeon_unregister_atpx_handler(void);
164#else
165static inline void radeon_register_atpx_handler(void) {}
166static inline void radeon_unregister_atpx_handler(void) {}
167#endif
168
169int radeon_no_wb;
170int radeon_modeset = -1;
171int radeon_dynclks = -1;
172int radeon_r4xx_atom = 0;
173int radeon_agpmode = 0;
174int radeon_vram_limit = 0;
175int radeon_gart_size = -1; /* auto */
176int radeon_benchmarking = 0;
177int radeon_testing = 0;
178int radeon_connector_table = 0;
179int radeon_tv = 1;
180int radeon_audio = -1;
181int radeon_disp_priority = 0;
182int radeon_hw_i2c = 0;
183int radeon_pcie_gen2 = -1;
184int radeon_msi = -1;
185int radeon_lockup_timeout = 10000;
186int radeon_fastfb = 0;
187int radeon_dpm = -1;
188int radeon_aspm = -1;
189int radeon_runtime_pm = -1;
190int radeon_hard_reset = 0;
191int radeon_vm_size = 8;
192int radeon_vm_block_size = -1;
193int radeon_deep_color = 0;
194int radeon_use_pflipirq = 2;
195int radeon_bapm = -1;
196int radeon_backlight = -1;
197int radeon_auxch = -1;
198int radeon_mst = 0;
199
200MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
201module_param_named(no_wb, radeon_no_wb, int, 0444);
202
203MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
204module_param_named(modeset, radeon_modeset, int, 0400);
205
206MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
207module_param_named(dynclks, radeon_dynclks, int, 0444);
208
209MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
210module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
211
212MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
213module_param_named(vramlimit, radeon_vram_limit, int, 0600);
214
215MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
216module_param_named(agpmode, radeon_agpmode, int, 0444);
217
218MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
219module_param_named(gartsize, radeon_gart_size, int, 0600);
220
221MODULE_PARM_DESC(benchmark, "Run benchmark");
222module_param_named(benchmark, radeon_benchmarking, int, 0444);
223
224MODULE_PARM_DESC(test, "Run tests");
225module_param_named(test, radeon_testing, int, 0444);
226
227MODULE_PARM_DESC(connector_table, "Force connector table");
228module_param_named(connector_table, radeon_connector_table, int, 0444);
229
230MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
231module_param_named(tv, radeon_tv, int, 0444);
232
233MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
234module_param_named(audio, radeon_audio, int, 0444);
235
236MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
237module_param_named(disp_priority, radeon_disp_priority, int, 0444);
238
239MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
240module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
241
242MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
243module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
244
245MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
246module_param_named(msi, radeon_msi, int, 0444);
247
248MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
249module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
250
251MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
252module_param_named(fastfb, radeon_fastfb, int, 0444);
253
254MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
255module_param_named(dpm, radeon_dpm, int, 0444);
256
257MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
258module_param_named(aspm, radeon_aspm, int, 0444);
259
260MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
261module_param_named(runpm, radeon_runtime_pm, int, 0444);
262
263MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
264module_param_named(hard_reset, radeon_hard_reset, int, 0444);
265
266MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
267module_param_named(vm_size, radeon_vm_size, int, 0444);
268
269MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
270module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
271
272MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
273module_param_named(deep_color, radeon_deep_color, int, 0444);
274
275MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
276module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
277
278MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
279module_param_named(bapm, radeon_bapm, int, 0444);
280
281MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
282module_param_named(backlight, radeon_backlight, int, 0444);
283
284MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
285module_param_named(auxch, radeon_auxch, int, 0444);
286
287MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
288module_param_named(mst, radeon_mst, int, 0444);
289
290static struct pci_device_id pciidlist[] = {
291 radeon_PCI_IDS
292};
293
294MODULE_DEVICE_TABLE(pci, pciidlist);
295
296static struct drm_driver kms_driver;
297
298static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
299{
300 struct apertures_struct *ap;
301 bool primary = false;
302
303 ap = alloc_apertures(1);
304 if (!ap)
305 return -ENOMEM;
306
307 ap->ranges[0].base = pci_resource_start(pdev, 0);
308 ap->ranges[0].size = pci_resource_len(pdev, 0);
309
310#ifdef CONFIG_X86
311 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
312#endif
313 remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
314 kfree(ap);
315
316 return 0;
317}
318
319static int radeon_pci_probe(struct pci_dev *pdev,
320 const struct pci_device_id *ent)
321{
322 int ret;
323
324 /*
325 * Initialize amdkfd before starting radeon. If it was not loaded yet,
326 * defer radeon probing
327 */
328 ret = radeon_kfd_init();
329 if (ret == -EPROBE_DEFER)
330 return ret;
331
332 /*
333 * apple-gmux is needed on dual GPU MacBook Pro
334 * to probe the panel if we're the inactive GPU.
335 */
336 if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) &&
337 apple_gmux_present() && pdev != vga_default_device() &&
338 !vga_switcheroo_handler_flags())
339 return -EPROBE_DEFER;
340
341 /* Get rid of things like offb */
342 ret = radeon_kick_out_firmware_fb(pdev);
343 if (ret)
344 return ret;
345
346 return drm_get_pci_dev(pdev, ent, &kms_driver);
347}
348
349static void
350radeon_pci_remove(struct pci_dev *pdev)
351{
352 struct drm_device *dev = pci_get_drvdata(pdev);
353
354 drm_put_dev(dev);
355}
356
357static int radeon_pmops_suspend(struct device *dev)
358{
359 struct pci_dev *pdev = to_pci_dev(dev);
360 struct drm_device *drm_dev = pci_get_drvdata(pdev);
361 return radeon_suspend_kms(drm_dev, true, true);
362}
363
364static int radeon_pmops_resume(struct device *dev)
365{
366 struct pci_dev *pdev = to_pci_dev(dev);
367 struct drm_device *drm_dev = pci_get_drvdata(pdev);
368 return radeon_resume_kms(drm_dev, true, true);
369}
370
371static int radeon_pmops_freeze(struct device *dev)
372{
373 struct pci_dev *pdev = to_pci_dev(dev);
374 struct drm_device *drm_dev = pci_get_drvdata(pdev);
375 return radeon_suspend_kms(drm_dev, false, true);
376}
377
378static int radeon_pmops_thaw(struct device *dev)
379{
380 struct pci_dev *pdev = to_pci_dev(dev);
381 struct drm_device *drm_dev = pci_get_drvdata(pdev);
382 return radeon_resume_kms(drm_dev, false, true);
383}
384
385static int radeon_pmops_runtime_suspend(struct device *dev)
386{
387 struct pci_dev *pdev = to_pci_dev(dev);
388 struct drm_device *drm_dev = pci_get_drvdata(pdev);
389 int ret;
390
391 if (!radeon_is_px(drm_dev)) {
392 pm_runtime_forbid(dev);
393 return -EBUSY;
394 }
395
396 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
397 drm_kms_helper_poll_disable(drm_dev);
398 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
399
400 ret = radeon_suspend_kms(drm_dev, false, false);
401 pci_save_state(pdev);
402 pci_disable_device(pdev);
403 pci_ignore_hotplug(pdev);
404 pci_set_power_state(pdev, PCI_D3cold);
405 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
406
407 return 0;
408}
409
410static int radeon_pmops_runtime_resume(struct device *dev)
411{
412 struct pci_dev *pdev = to_pci_dev(dev);
413 struct drm_device *drm_dev = pci_get_drvdata(pdev);
414 int ret;
415
416 if (!radeon_is_px(drm_dev))
417 return -EINVAL;
418
419 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
420
421 pci_set_power_state(pdev, PCI_D0);
422 pci_restore_state(pdev);
423 ret = pci_enable_device(pdev);
424 if (ret)
425 return ret;
426 pci_set_master(pdev);
427
428 ret = radeon_resume_kms(drm_dev, false, false);
429 drm_kms_helper_poll_enable(drm_dev);
430 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
431 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
432 return 0;
433}
434
435static int radeon_pmops_runtime_idle(struct device *dev)
436{
437 struct pci_dev *pdev = to_pci_dev(dev);
438 struct drm_device *drm_dev = pci_get_drvdata(pdev);
439 struct drm_crtc *crtc;
440
441 if (!radeon_is_px(drm_dev)) {
442 pm_runtime_forbid(dev);
443 return -EBUSY;
444 }
445
446 list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
447 if (crtc->enabled) {
448 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
449 return -EBUSY;
450 }
451 }
452
453 pm_runtime_mark_last_busy(dev);
454 pm_runtime_autosuspend(dev);
455 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
456 return 1;
457}
458
459long radeon_drm_ioctl(struct file *filp,
460 unsigned int cmd, unsigned long arg)
461{
462 struct drm_file *file_priv = filp->private_data;
463 struct drm_device *dev;
464 long ret;
465 dev = file_priv->minor->dev;
466 ret = pm_runtime_get_sync(dev->dev);
467 if (ret < 0)
468 return ret;
469
470 ret = drm_ioctl(filp, cmd, arg);
471
472 pm_runtime_mark_last_busy(dev->dev);
473 pm_runtime_put_autosuspend(dev->dev);
474 return ret;
475}
476
477static const struct dev_pm_ops radeon_pm_ops = {
478 .suspend = radeon_pmops_suspend,
479 .resume = radeon_pmops_resume,
480 .freeze = radeon_pmops_freeze,
481 .thaw = radeon_pmops_thaw,
482 .poweroff = radeon_pmops_freeze,
483 .restore = radeon_pmops_resume,
484 .runtime_suspend = radeon_pmops_runtime_suspend,
485 .runtime_resume = radeon_pmops_runtime_resume,
486 .runtime_idle = radeon_pmops_runtime_idle,
487};
488
489static const struct file_operations radeon_driver_kms_fops = {
490 .owner = THIS_MODULE,
491 .open = drm_open,
492 .release = drm_release,
493 .unlocked_ioctl = radeon_drm_ioctl,
494 .mmap = radeon_mmap,
495 .poll = drm_poll,
496 .read = drm_read,
497#ifdef CONFIG_COMPAT
498 .compat_ioctl = radeon_kms_compat_ioctl,
499#endif
500};
501
502static struct drm_driver kms_driver = {
503 .driver_features =
504 DRIVER_USE_AGP |
505 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
506 DRIVER_PRIME | DRIVER_RENDER,
507 .load = radeon_driver_load_kms,
508 .open = radeon_driver_open_kms,
509 .preclose = radeon_driver_preclose_kms,
510 .postclose = radeon_driver_postclose_kms,
511 .lastclose = radeon_driver_lastclose_kms,
512 .set_busid = drm_pci_set_busid,
513 .unload = radeon_driver_unload_kms,
514 .get_vblank_counter = radeon_get_vblank_counter_kms,
515 .enable_vblank = radeon_enable_vblank_kms,
516 .disable_vblank = radeon_disable_vblank_kms,
517 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
518 .get_scanout_position = radeon_get_crtc_scanoutpos,
519#if defined(CONFIG_DEBUG_FS)
520 .debugfs_init = radeon_debugfs_init,
521 .debugfs_cleanup = radeon_debugfs_cleanup,
522#endif
523 .irq_preinstall = radeon_driver_irq_preinstall_kms,
524 .irq_postinstall = radeon_driver_irq_postinstall_kms,
525 .irq_uninstall = radeon_driver_irq_uninstall_kms,
526 .irq_handler = radeon_driver_irq_handler_kms,
527 .ioctls = radeon_ioctls_kms,
528 .gem_free_object = radeon_gem_object_free,
529 .gem_open_object = radeon_gem_object_open,
530 .gem_close_object = radeon_gem_object_close,
531 .dumb_create = radeon_mode_dumb_create,
532 .dumb_map_offset = radeon_mode_dumb_mmap,
533 .dumb_destroy = drm_gem_dumb_destroy,
534 .fops = &radeon_driver_kms_fops,
535
536 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
537 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
538 .gem_prime_export = radeon_gem_prime_export,
539 .gem_prime_import = drm_gem_prime_import,
540 .gem_prime_pin = radeon_gem_prime_pin,
541 .gem_prime_unpin = radeon_gem_prime_unpin,
542 .gem_prime_res_obj = radeon_gem_prime_res_obj,
543 .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
544 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
545 .gem_prime_vmap = radeon_gem_prime_vmap,
546 .gem_prime_vunmap = radeon_gem_prime_vunmap,
547
548 .name = DRIVER_NAME,
549 .desc = DRIVER_DESC,
550 .date = DRIVER_DATE,
551 .major = KMS_DRIVER_MAJOR,
552 .minor = KMS_DRIVER_MINOR,
553 .patchlevel = KMS_DRIVER_PATCHLEVEL,
554};
555
556static struct drm_driver *driver;
557static struct pci_driver *pdriver;
558
559static struct pci_driver radeon_kms_pci_driver = {
560 .name = DRIVER_NAME,
561 .id_table = pciidlist,
562 .probe = radeon_pci_probe,
563 .remove = radeon_pci_remove,
564 .driver.pm = &radeon_pm_ops,
565};
566
567static int __init radeon_init(void)
568{
569#ifdef CONFIG_VGA_CONSOLE
570 if (vgacon_text_force() && radeon_modeset == -1) {
571 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
572 radeon_modeset = 0;
573 }
574#endif
575 /* set to modesetting by default if not nomodeset */
576 if (radeon_modeset == -1)
577 radeon_modeset = 1;
578
579 if (radeon_modeset == 1) {
580 DRM_INFO("radeon kernel modesetting enabled.\n");
581 driver = &kms_driver;
582 pdriver = &radeon_kms_pci_driver;
583 driver->driver_features |= DRIVER_MODESET;
584 driver->num_ioctls = radeon_max_kms_ioctl;
585 radeon_register_atpx_handler();
586
587 } else {
588 DRM_ERROR("No UMS support in radeon module!\n");
589 return -EINVAL;
590 }
591
592 /* let modprobe override vga console setting */
593 return drm_pci_init(driver, pdriver);
594}
595
596static void __exit radeon_exit(void)
597{
598 radeon_kfd_fini();
599 drm_pci_exit(driver, pdriver);
600 radeon_unregister_atpx_handler();
601}
602
603module_init(radeon_init);
604module_exit(radeon_exit);
605
606MODULE_AUTHOR(DRIVER_AUTHOR);
607MODULE_DESCRIPTION(DRIVER_DESC);
608MODULE_LICENSE("GPL and additional rights");
1/**
2 * \file radeon_drv.c
3 * ATI Radeon driver
4 *
5 * \author Gareth Hughes <gareth@valinux.com>
6 */
7
8/*
9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10 * All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29 * OTHER DEALINGS IN THE SOFTWARE.
30 */
31
32
33#include <linux/compat.h>
34#include <linux/console.h>
35#include <linux/module.h>
36#include <linux/pm_runtime.h>
37#include <linux/vga_switcheroo.h>
38#include <linux/mmu_notifier.h>
39
40#include <drm/drm_crtc_helper.h>
41#include <drm/drm_drv.h>
42#include <drm/drm_fb_helper.h>
43#include <drm/drm_file.h>
44#include <drm/drm_gem.h>
45#include <drm/drm_ioctl.h>
46#include <drm/drm_pci.h>
47#include <drm/drm_pciids.h>
48#include <drm/drm_probe_helper.h>
49#include <drm/drm_vblank.h>
50#include <drm/radeon_drm.h>
51
52#include "radeon_drv.h"
53
54/*
55 * KMS wrapper.
56 * - 2.0.0 - initial interface
57 * - 2.1.0 - add square tiling interface
58 * - 2.2.0 - add r6xx/r7xx const buffer support
59 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
60 * - 2.4.0 - add crtc id query
61 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
62 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
63 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
64 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
65 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
66 * 2.10.0 - fusion 2D tiling
67 * 2.11.0 - backend map, initial compute support for the CS checker
68 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
69 * 2.13.0 - virtual memory support, streamout
70 * 2.14.0 - add evergreen tiling informations
71 * 2.15.0 - add max_pipes query
72 * 2.16.0 - fix evergreen 2D tiled surface calculation
73 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
74 * 2.18.0 - r600-eg: allow "invalid" DB formats
75 * 2.19.0 - r600-eg: MSAA textures
76 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
77 * 2.21.0 - r600-r700: FMASK and CMASK
78 * 2.22.0 - r600 only: RESOLVE_BOX allowed
79 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
80 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
81 * 2.25.0 - eg+: new info request for num SE and num SH
82 * 2.26.0 - r600-eg: fix htile size computation
83 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA
84 * 2.28.0 - r600-eg: Add MEM_WRITE packet support
85 * 2.29.0 - R500 FP16 color clear registers
86 * 2.30.0 - fix for FMASK texturing
87 * 2.31.0 - Add fastfb support for rs690
88 * 2.32.0 - new info request for rings working
89 * 2.33.0 - Add SI tiling mode array query
90 * 2.34.0 - Add CIK tiling mode array query
91 * 2.35.0 - Add CIK macrotile mode array query
92 * 2.36.0 - Fix CIK DCE tiling setup
93 * 2.37.0 - allow GS ring setup on r6xx/r7xx
94 * 2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
95 * CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
96 * 2.39.0 - Add INFO query for number of active CUs
97 * 2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
98 * CS to GPU on >= r600
99 * 2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
100 * 2.42.0 - Add VCE/VUI (Video Usability Information) support
101 * 2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
102 * 2.44.0 - SET_APPEND_CNT packet3 support
103 * 2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
104 * 2.46.0 - Add PFP_SYNC_ME support on evergreen
105 * 2.47.0 - Add UVD_NO_OP register support
106 * 2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
107 * 2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
108 * 2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
109 */
110#define KMS_DRIVER_MAJOR 2
111#define KMS_DRIVER_MINOR 50
112#define KMS_DRIVER_PATCHLEVEL 0
113int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
114void radeon_driver_unload_kms(struct drm_device *dev);
115void radeon_driver_lastclose_kms(struct drm_device *dev);
116int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
117void radeon_driver_postclose_kms(struct drm_device *dev,
118 struct drm_file *file_priv);
119int radeon_suspend_kms(struct drm_device *dev, bool suspend,
120 bool fbcon, bool freeze);
121int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
122u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
123int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
124void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
125void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
126int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
127void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
128irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
129void radeon_gem_object_free(struct drm_gem_object *obj);
130int radeon_gem_object_open(struct drm_gem_object *obj,
131 struct drm_file *file_priv);
132void radeon_gem_object_close(struct drm_gem_object *obj,
133 struct drm_file *file_priv);
134struct dma_buf *radeon_gem_prime_export(struct drm_gem_object *gobj,
135 int flags);
136extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
137 unsigned int flags, int *vpos, int *hpos,
138 ktime_t *stime, ktime_t *etime,
139 const struct drm_display_mode *mode);
140extern bool radeon_is_px(struct drm_device *dev);
141extern const struct drm_ioctl_desc radeon_ioctls_kms[];
142extern int radeon_max_kms_ioctl;
143int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
144int radeon_mode_dumb_mmap(struct drm_file *filp,
145 struct drm_device *dev,
146 uint32_t handle, uint64_t *offset_p);
147int radeon_mode_dumb_create(struct drm_file *file_priv,
148 struct drm_device *dev,
149 struct drm_mode_create_dumb *args);
150struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
151struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
152 struct dma_buf_attachment *,
153 struct sg_table *sg);
154int radeon_gem_prime_pin(struct drm_gem_object *obj);
155void radeon_gem_prime_unpin(struct drm_gem_object *obj);
156void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
157void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
158
159/* atpx handler */
160#if defined(CONFIG_VGA_SWITCHEROO)
161void radeon_register_atpx_handler(void);
162void radeon_unregister_atpx_handler(void);
163bool radeon_has_atpx_dgpu_power_cntl(void);
164bool radeon_is_atpx_hybrid(void);
165#else
166static inline void radeon_register_atpx_handler(void) {}
167static inline void radeon_unregister_atpx_handler(void) {}
168static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
169static inline bool radeon_is_atpx_hybrid(void) { return false; }
170#endif
171
172int radeon_no_wb;
173int radeon_modeset = -1;
174int radeon_dynclks = -1;
175int radeon_r4xx_atom = 0;
176#ifdef __powerpc__
177/* Default to PCI on PowerPC (fdo #95017) */
178int radeon_agpmode = -1;
179#else
180int radeon_agpmode = 0;
181#endif
182int radeon_vram_limit = 0;
183int radeon_gart_size = -1; /* auto */
184int radeon_benchmarking = 0;
185int radeon_testing = 0;
186int radeon_connector_table = 0;
187int radeon_tv = 1;
188int radeon_audio = -1;
189int radeon_disp_priority = 0;
190int radeon_hw_i2c = 0;
191int radeon_pcie_gen2 = -1;
192int radeon_msi = -1;
193int radeon_lockup_timeout = 10000;
194int radeon_fastfb = 0;
195int radeon_dpm = -1;
196int radeon_aspm = -1;
197int radeon_runtime_pm = -1;
198int radeon_hard_reset = 0;
199int radeon_vm_size = 8;
200int radeon_vm_block_size = -1;
201int radeon_deep_color = 0;
202int radeon_use_pflipirq = 2;
203int radeon_bapm = -1;
204int radeon_backlight = -1;
205int radeon_auxch = -1;
206int radeon_mst = 0;
207int radeon_uvd = 1;
208int radeon_vce = 1;
209
210MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
211module_param_named(no_wb, radeon_no_wb, int, 0444);
212
213MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
214module_param_named(modeset, radeon_modeset, int, 0400);
215
216MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
217module_param_named(dynclks, radeon_dynclks, int, 0444);
218
219MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
220module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
221
222MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
223module_param_named(vramlimit, radeon_vram_limit, int, 0600);
224
225MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
226module_param_named(agpmode, radeon_agpmode, int, 0444);
227
228MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
229module_param_named(gartsize, radeon_gart_size, int, 0600);
230
231MODULE_PARM_DESC(benchmark, "Run benchmark");
232module_param_named(benchmark, radeon_benchmarking, int, 0444);
233
234MODULE_PARM_DESC(test, "Run tests");
235module_param_named(test, radeon_testing, int, 0444);
236
237MODULE_PARM_DESC(connector_table, "Force connector table");
238module_param_named(connector_table, radeon_connector_table, int, 0444);
239
240MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
241module_param_named(tv, radeon_tv, int, 0444);
242
243MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
244module_param_named(audio, radeon_audio, int, 0444);
245
246MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
247module_param_named(disp_priority, radeon_disp_priority, int, 0444);
248
249MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
250module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
251
252MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
253module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
254
255MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
256module_param_named(msi, radeon_msi, int, 0444);
257
258MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
259module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
260
261MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
262module_param_named(fastfb, radeon_fastfb, int, 0444);
263
264MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
265module_param_named(dpm, radeon_dpm, int, 0444);
266
267MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
268module_param_named(aspm, radeon_aspm, int, 0444);
269
270MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
271module_param_named(runpm, radeon_runtime_pm, int, 0444);
272
273MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
274module_param_named(hard_reset, radeon_hard_reset, int, 0444);
275
276MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
277module_param_named(vm_size, radeon_vm_size, int, 0444);
278
279MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
280module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
281
282MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
283module_param_named(deep_color, radeon_deep_color, int, 0444);
284
285MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
286module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
287
288MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
289module_param_named(bapm, radeon_bapm, int, 0444);
290
291MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
292module_param_named(backlight, radeon_backlight, int, 0444);
293
294MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
295module_param_named(auxch, radeon_auxch, int, 0444);
296
297MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
298module_param_named(mst, radeon_mst, int, 0444);
299
300MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
301module_param_named(uvd, radeon_uvd, int, 0444);
302
303MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
304module_param_named(vce, radeon_vce, int, 0444);
305
306int radeon_si_support = 1;
307MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
308module_param_named(si_support, radeon_si_support, int, 0444);
309
310int radeon_cik_support = 1;
311MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
312module_param_named(cik_support, radeon_cik_support, int, 0444);
313
314static struct pci_device_id pciidlist[] = {
315 radeon_PCI_IDS
316};
317
318MODULE_DEVICE_TABLE(pci, pciidlist);
319
320static struct drm_driver kms_driver;
321
322bool radeon_device_is_virtual(void);
323
324static int radeon_pci_probe(struct pci_dev *pdev,
325 const struct pci_device_id *ent)
326{
327 unsigned long flags = 0;
328 int ret;
329
330 if (!ent)
331 return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */
332
333 flags = ent->driver_data;
334
335 if (!radeon_si_support) {
336 switch (flags & RADEON_FAMILY_MASK) {
337 case CHIP_TAHITI:
338 case CHIP_PITCAIRN:
339 case CHIP_VERDE:
340 case CHIP_OLAND:
341 case CHIP_HAINAN:
342 dev_info(&pdev->dev,
343 "SI support disabled by module param\n");
344 return -ENODEV;
345 }
346 }
347 if (!radeon_cik_support) {
348 switch (flags & RADEON_FAMILY_MASK) {
349 case CHIP_KAVERI:
350 case CHIP_BONAIRE:
351 case CHIP_HAWAII:
352 case CHIP_KABINI:
353 case CHIP_MULLINS:
354 dev_info(&pdev->dev,
355 "CIK support disabled by module param\n");
356 return -ENODEV;
357 }
358 }
359
360 if (vga_switcheroo_client_probe_defer(pdev))
361 return -EPROBE_DEFER;
362
363 /* Get rid of things like offb */
364 ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "radeondrmfb");
365 if (ret)
366 return ret;
367
368 return drm_get_pci_dev(pdev, ent, &kms_driver);
369}
370
371static void
372radeon_pci_remove(struct pci_dev *pdev)
373{
374 struct drm_device *dev = pci_get_drvdata(pdev);
375
376 drm_put_dev(dev);
377}
378
379static void
380radeon_pci_shutdown(struct pci_dev *pdev)
381{
382#ifdef CONFIG_PPC64
383 struct drm_device *ddev = pci_get_drvdata(pdev);
384#endif
385
386 /* if we are running in a VM, make sure the device
387 * torn down properly on reboot/shutdown
388 */
389 if (radeon_device_is_virtual())
390 radeon_pci_remove(pdev);
391
392#ifdef CONFIG_PPC64
393 /* Some adapters need to be suspended before a
394 * shutdown occurs in order to prevent an error
395 * during kexec.
396 * Make this power specific becauase it breaks
397 * some non-power boards.
398 */
399 radeon_suspend_kms(ddev, true, true, false);
400#endif
401}
402
403static int radeon_pmops_suspend(struct device *dev)
404{
405 struct drm_device *drm_dev = dev_get_drvdata(dev);
406 return radeon_suspend_kms(drm_dev, true, true, false);
407}
408
409static int radeon_pmops_resume(struct device *dev)
410{
411 struct drm_device *drm_dev = dev_get_drvdata(dev);
412
413 /* GPU comes up enabled by the bios on resume */
414 if (radeon_is_px(drm_dev)) {
415 pm_runtime_disable(dev);
416 pm_runtime_set_active(dev);
417 pm_runtime_enable(dev);
418 }
419
420 return radeon_resume_kms(drm_dev, true, true);
421}
422
423static int radeon_pmops_freeze(struct device *dev)
424{
425 struct drm_device *drm_dev = dev_get_drvdata(dev);
426 return radeon_suspend_kms(drm_dev, false, true, true);
427}
428
429static int radeon_pmops_thaw(struct device *dev)
430{
431 struct drm_device *drm_dev = dev_get_drvdata(dev);
432 return radeon_resume_kms(drm_dev, false, true);
433}
434
435static int radeon_pmops_runtime_suspend(struct device *dev)
436{
437 struct pci_dev *pdev = to_pci_dev(dev);
438 struct drm_device *drm_dev = pci_get_drvdata(pdev);
439 int ret;
440
441 if (!radeon_is_px(drm_dev)) {
442 pm_runtime_forbid(dev);
443 return -EBUSY;
444 }
445
446 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
447 drm_kms_helper_poll_disable(drm_dev);
448
449 ret = radeon_suspend_kms(drm_dev, false, false, false);
450 pci_save_state(pdev);
451 pci_disable_device(pdev);
452 pci_ignore_hotplug(pdev);
453 if (radeon_is_atpx_hybrid())
454 pci_set_power_state(pdev, PCI_D3cold);
455 else if (!radeon_has_atpx_dgpu_power_cntl())
456 pci_set_power_state(pdev, PCI_D3hot);
457 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
458
459 return 0;
460}
461
462static int radeon_pmops_runtime_resume(struct device *dev)
463{
464 struct pci_dev *pdev = to_pci_dev(dev);
465 struct drm_device *drm_dev = pci_get_drvdata(pdev);
466 int ret;
467
468 if (!radeon_is_px(drm_dev))
469 return -EINVAL;
470
471 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
472
473 if (radeon_is_atpx_hybrid() ||
474 !radeon_has_atpx_dgpu_power_cntl())
475 pci_set_power_state(pdev, PCI_D0);
476 pci_restore_state(pdev);
477 ret = pci_enable_device(pdev);
478 if (ret)
479 return ret;
480 pci_set_master(pdev);
481
482 ret = radeon_resume_kms(drm_dev, false, false);
483 drm_kms_helper_poll_enable(drm_dev);
484 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
485 return 0;
486}
487
488static int radeon_pmops_runtime_idle(struct device *dev)
489{
490 struct drm_device *drm_dev = dev_get_drvdata(dev);
491 struct drm_crtc *crtc;
492
493 if (!radeon_is_px(drm_dev)) {
494 pm_runtime_forbid(dev);
495 return -EBUSY;
496 }
497
498 list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
499 if (crtc->enabled) {
500 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
501 return -EBUSY;
502 }
503 }
504
505 pm_runtime_mark_last_busy(dev);
506 pm_runtime_autosuspend(dev);
507 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
508 return 1;
509}
510
511long radeon_drm_ioctl(struct file *filp,
512 unsigned int cmd, unsigned long arg)
513{
514 struct drm_file *file_priv = filp->private_data;
515 struct drm_device *dev;
516 long ret;
517 dev = file_priv->minor->dev;
518 ret = pm_runtime_get_sync(dev->dev);
519 if (ret < 0)
520 return ret;
521
522 ret = drm_ioctl(filp, cmd, arg);
523
524 pm_runtime_mark_last_busy(dev->dev);
525 pm_runtime_put_autosuspend(dev->dev);
526 return ret;
527}
528
529#ifdef CONFIG_COMPAT
530static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
531{
532 unsigned int nr = DRM_IOCTL_NR(cmd);
533 int ret;
534
535 if (nr < DRM_COMMAND_BASE)
536 return drm_compat_ioctl(filp, cmd, arg);
537
538 ret = radeon_drm_ioctl(filp, cmd, arg);
539
540 return ret;
541}
542#endif
543
544static const struct dev_pm_ops radeon_pm_ops = {
545 .suspend = radeon_pmops_suspend,
546 .resume = radeon_pmops_resume,
547 .freeze = radeon_pmops_freeze,
548 .thaw = radeon_pmops_thaw,
549 .poweroff = radeon_pmops_freeze,
550 .restore = radeon_pmops_resume,
551 .runtime_suspend = radeon_pmops_runtime_suspend,
552 .runtime_resume = radeon_pmops_runtime_resume,
553 .runtime_idle = radeon_pmops_runtime_idle,
554};
555
556static const struct file_operations radeon_driver_kms_fops = {
557 .owner = THIS_MODULE,
558 .open = drm_open,
559 .release = drm_release,
560 .unlocked_ioctl = radeon_drm_ioctl,
561 .mmap = radeon_mmap,
562 .poll = drm_poll,
563 .read = drm_read,
564#ifdef CONFIG_COMPAT
565 .compat_ioctl = radeon_kms_compat_ioctl,
566#endif
567};
568
569static bool
570radeon_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
571 bool in_vblank_irq, int *vpos, int *hpos,
572 ktime_t *stime, ktime_t *etime,
573 const struct drm_display_mode *mode)
574{
575 return radeon_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
576 stime, etime, mode);
577}
578
579static struct drm_driver kms_driver = {
580 .driver_features =
581 DRIVER_USE_AGP | DRIVER_GEM | DRIVER_RENDER,
582 .load = radeon_driver_load_kms,
583 .open = radeon_driver_open_kms,
584 .postclose = radeon_driver_postclose_kms,
585 .lastclose = radeon_driver_lastclose_kms,
586 .unload = radeon_driver_unload_kms,
587 .get_vblank_counter = radeon_get_vblank_counter_kms,
588 .enable_vblank = radeon_enable_vblank_kms,
589 .disable_vblank = radeon_disable_vblank_kms,
590 .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
591 .get_scanout_position = radeon_get_crtc_scanout_position,
592 .irq_preinstall = radeon_driver_irq_preinstall_kms,
593 .irq_postinstall = radeon_driver_irq_postinstall_kms,
594 .irq_uninstall = radeon_driver_irq_uninstall_kms,
595 .irq_handler = radeon_driver_irq_handler_kms,
596 .ioctls = radeon_ioctls_kms,
597 .gem_free_object_unlocked = radeon_gem_object_free,
598 .gem_open_object = radeon_gem_object_open,
599 .gem_close_object = radeon_gem_object_close,
600 .dumb_create = radeon_mode_dumb_create,
601 .dumb_map_offset = radeon_mode_dumb_mmap,
602 .fops = &radeon_driver_kms_fops,
603
604 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
605 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
606 .gem_prime_export = radeon_gem_prime_export,
607 .gem_prime_pin = radeon_gem_prime_pin,
608 .gem_prime_unpin = radeon_gem_prime_unpin,
609 .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
610 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
611 .gem_prime_vmap = radeon_gem_prime_vmap,
612 .gem_prime_vunmap = radeon_gem_prime_vunmap,
613
614 .name = DRIVER_NAME,
615 .desc = DRIVER_DESC,
616 .date = DRIVER_DATE,
617 .major = KMS_DRIVER_MAJOR,
618 .minor = KMS_DRIVER_MINOR,
619 .patchlevel = KMS_DRIVER_PATCHLEVEL,
620};
621
622static struct drm_driver *driver;
623static struct pci_driver *pdriver;
624
625static struct pci_driver radeon_kms_pci_driver = {
626 .name = DRIVER_NAME,
627 .id_table = pciidlist,
628 .probe = radeon_pci_probe,
629 .remove = radeon_pci_remove,
630 .shutdown = radeon_pci_shutdown,
631 .driver.pm = &radeon_pm_ops,
632};
633
634static int __init radeon_init(void)
635{
636 if (vgacon_text_force() && radeon_modeset == -1) {
637 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
638 radeon_modeset = 0;
639 }
640 /* set to modesetting by default if not nomodeset */
641 if (radeon_modeset == -1)
642 radeon_modeset = 1;
643
644 if (radeon_modeset == 1) {
645 DRM_INFO("radeon kernel modesetting enabled.\n");
646 driver = &kms_driver;
647 pdriver = &radeon_kms_pci_driver;
648 driver->driver_features |= DRIVER_MODESET;
649 driver->num_ioctls = radeon_max_kms_ioctl;
650 radeon_register_atpx_handler();
651
652 } else {
653 DRM_ERROR("No UMS support in radeon module!\n");
654 return -EINVAL;
655 }
656
657 return pci_register_driver(pdriver);
658}
659
660static void __exit radeon_exit(void)
661{
662 pci_unregister_driver(pdriver);
663 radeon_unregister_atpx_handler();
664 mmu_notifier_synchronize();
665}
666
667module_init(radeon_init);
668module_exit(radeon_exit);
669
670MODULE_AUTHOR(DRIVER_AUTHOR);
671MODULE_DESCRIPTION(DRIVER_DESC);
672MODULE_LICENSE("GPL and additional rights");