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/module.h>
35 #include <linux/pm_runtime.h>
36 #include <linux/vga_switcheroo.h>
37 #include <linux/mmu_notifier.h>
38 #include <linux/pci.h>
39 
40 #include <drm/drm_aperture.h>
41 #include <drm/drm_crtc_helper.h>
42 #include <drm/drm_drv.h>
43 #include <drm/drm_fb_helper.h>
44 #include <drm/drm_file.h>
45 #include <drm/drm_gem.h>
46 #include <drm/drm_ioctl.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 #include "radeon.h"
54 #include "radeon_kms.h"
55 #include "radeon_ttm.h"
56 #include "radeon_device.h"
57 #include "radeon_prime.h"
58 
59 /*
60  * KMS wrapper.
61  * - 2.0.0 - initial interface
62  * - 2.1.0 - add square tiling interface
63  * - 2.2.0 - add r6xx/r7xx const buffer support
64  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
65  * - 2.4.0 - add crtc id query
66  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
67  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
68  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
69  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
70  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
71  *   2.10.0 - fusion 2D tiling
72  *   2.11.0 - backend map, initial compute support for the CS checker
73  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
74  *   2.13.0 - virtual memory support, streamout
75  *   2.14.0 - add evergreen tiling informations
76  *   2.15.0 - add max_pipes query
77  *   2.16.0 - fix evergreen 2D tiled surface calculation
78  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
79  *   2.18.0 - r600-eg: allow "invalid" DB formats
80  *   2.19.0 - r600-eg: MSAA textures
81  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
82  *   2.21.0 - r600-r700: FMASK and CMASK
83  *   2.22.0 - r600 only: RESOLVE_BOX allowed
84  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
85  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
86  *   2.25.0 - eg+: new info request for num SE and num SH
87  *   2.26.0 - r600-eg: fix htile size computation
88  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
89  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
90  *   2.29.0 - R500 FP16 color clear registers
91  *   2.30.0 - fix for FMASK texturing
92  *   2.31.0 - Add fastfb support for rs690
93  *   2.32.0 - new info request for rings working
94  *   2.33.0 - Add SI tiling mode array query
95  *   2.34.0 - Add CIK tiling mode array query
96  *   2.35.0 - Add CIK macrotile mode array query
97  *   2.36.0 - Fix CIK DCE tiling setup
98  *   2.37.0 - allow GS ring setup on r6xx/r7xx
99  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
100  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
101  *   2.39.0 - Add INFO query for number of active CUs
102  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
103  *            CS to GPU on >= r600
104  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
105  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
106  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
107  *   2.44.0 - SET_APPEND_CNT packet3 support
108  *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
109  *   2.46.0 - Add PFP_SYNC_ME support on evergreen
110  *   2.47.0 - Add UVD_NO_OP register support
111  *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
112  *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
113  *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
114  */
115 #define KMS_DRIVER_MAJOR	2
116 #define KMS_DRIVER_MINOR	50
117 #define KMS_DRIVER_PATCHLEVEL	0
118 int radeon_suspend_kms(struct drm_device *dev, bool suspend,
119 		       bool fbcon, bool freeze);
120 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
121 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
122 				      unsigned int flags, int *vpos, int *hpos,
123 				      ktime_t *stime, ktime_t *etime,
124 				      const struct drm_display_mode *mode);
125 extern bool radeon_is_px(struct drm_device *dev);
126 int radeon_mode_dumb_mmap(struct drm_file *filp,
127 			  struct drm_device *dev,
128 			  uint32_t handle, uint64_t *offset_p);
129 int radeon_mode_dumb_create(struct drm_file *file_priv,
130 			    struct drm_device *dev,
131 			    struct drm_mode_create_dumb *args);
132 
133 /* atpx handler */
134 #if defined(CONFIG_VGA_SWITCHEROO)
135 void radeon_register_atpx_handler(void);
136 void radeon_unregister_atpx_handler(void);
137 bool radeon_has_atpx_dgpu_power_cntl(void);
138 bool radeon_is_atpx_hybrid(void);
139 #else
140 static inline void radeon_register_atpx_handler(void) {}
141 static inline void radeon_unregister_atpx_handler(void) {}
142 static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
143 static inline bool radeon_is_atpx_hybrid(void) { return false; }
144 #endif
145 
146 int radeon_no_wb;
147 int radeon_modeset = -1;
148 int radeon_dynclks = -1;
149 int radeon_r4xx_atom = 0;
150 int radeon_agpmode = -1;
151 int radeon_vram_limit = 0;
152 int radeon_gart_size = -1; /* auto */
153 int radeon_benchmarking = 0;
154 int radeon_testing = 0;
155 int radeon_connector_table = 0;
156 int radeon_tv = 1;
157 int radeon_audio = -1;
158 int radeon_disp_priority = 0;
159 int radeon_hw_i2c = 0;
160 int radeon_pcie_gen2 = -1;
161 int radeon_msi = -1;
162 int radeon_lockup_timeout = 10000;
163 int radeon_fastfb = 0;
164 int radeon_dpm = -1;
165 int radeon_aspm = -1;
166 int radeon_runtime_pm = -1;
167 int radeon_hard_reset = 0;
168 int radeon_vm_size = 8;
169 int radeon_vm_block_size = -1;
170 int radeon_deep_color = 0;
171 int radeon_use_pflipirq = 2;
172 int radeon_bapm = -1;
173 int radeon_backlight = -1;
174 int radeon_auxch = -1;
175 int radeon_uvd = 1;
176 int radeon_vce = 1;
177 
178 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
179 module_param_named(no_wb, radeon_no_wb, int, 0444);
180 
181 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
182 module_param_named(modeset, radeon_modeset, int, 0400);
183 
184 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
185 module_param_named(dynclks, radeon_dynclks, int, 0444);
186 
187 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
188 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
189 
190 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
191 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
192 
193 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
194 module_param_named(agpmode, radeon_agpmode, int, 0444);
195 
196 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
197 module_param_named(gartsize, radeon_gart_size, int, 0600);
198 
199 MODULE_PARM_DESC(benchmark, "Run benchmark");
200 module_param_named(benchmark, radeon_benchmarking, int, 0444);
201 
202 MODULE_PARM_DESC(test, "Run tests");
203 module_param_named(test, radeon_testing, int, 0444);
204 
205 MODULE_PARM_DESC(connector_table, "Force connector table");
206 module_param_named(connector_table, radeon_connector_table, int, 0444);
207 
208 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
209 module_param_named(tv, radeon_tv, int, 0444);
210 
211 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
212 module_param_named(audio, radeon_audio, int, 0444);
213 
214 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
215 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
216 
217 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
218 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
219 
220 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
221 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
222 
223 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
224 module_param_named(msi, radeon_msi, int, 0444);
225 
226 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
227 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
228 
229 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
230 module_param_named(fastfb, radeon_fastfb, int, 0444);
231 
232 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
233 module_param_named(dpm, radeon_dpm, int, 0444);
234 
235 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
236 module_param_named(aspm, radeon_aspm, int, 0444);
237 
238 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
239 module_param_named(runpm, radeon_runtime_pm, int, 0444);
240 
241 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
242 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
243 
244 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
245 module_param_named(vm_size, radeon_vm_size, int, 0444);
246 
247 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
248 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
249 
250 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
251 module_param_named(deep_color, radeon_deep_color, int, 0444);
252 
253 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
254 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
255 
256 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
257 module_param_named(bapm, radeon_bapm, int, 0444);
258 
259 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
260 module_param_named(backlight, radeon_backlight, int, 0444);
261 
262 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
263 module_param_named(auxch, radeon_auxch, int, 0444);
264 
265 MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
266 module_param_named(uvd, radeon_uvd, int, 0444);
267 
268 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
269 module_param_named(vce, radeon_vce, int, 0444);
270 
271 int radeon_si_support = 1;
272 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
273 module_param_named(si_support, radeon_si_support, int, 0444);
274 
275 int radeon_cik_support = 1;
276 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
277 module_param_named(cik_support, radeon_cik_support, int, 0444);
278 
279 static struct pci_device_id pciidlist[] = {
280 	radeon_PCI_IDS
281 };
282 
283 MODULE_DEVICE_TABLE(pci, pciidlist);
284 
285 static const struct drm_driver kms_driver;
286 
287 static int radeon_pci_probe(struct pci_dev *pdev,
288 			    const struct pci_device_id *ent)
289 {
290 	unsigned long flags = 0;
291 	struct drm_device *dev;
292 	int ret;
293 
294 	if (!ent)
295 		return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */
296 
297 	flags = ent->driver_data;
298 
299 	if (!radeon_si_support) {
300 		switch (flags & RADEON_FAMILY_MASK) {
301 		case CHIP_TAHITI:
302 		case CHIP_PITCAIRN:
303 		case CHIP_VERDE:
304 		case CHIP_OLAND:
305 		case CHIP_HAINAN:
306 			dev_info(&pdev->dev,
307 				 "SI support disabled by module param\n");
308 			return -ENODEV;
309 		}
310 	}
311 	if (!radeon_cik_support) {
312 		switch (flags & RADEON_FAMILY_MASK) {
313 		case CHIP_KAVERI:
314 		case CHIP_BONAIRE:
315 		case CHIP_HAWAII:
316 		case CHIP_KABINI:
317 		case CHIP_MULLINS:
318 			dev_info(&pdev->dev,
319 				 "CIK support disabled by module param\n");
320 			return -ENODEV;
321 		}
322 	}
323 
324 	if (vga_switcheroo_client_probe_defer(pdev))
325 		return -EPROBE_DEFER;
326 
327 	/* Get rid of things like offb */
328 	ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &kms_driver);
329 	if (ret)
330 		return ret;
331 
332 	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
333 	if (IS_ERR(dev))
334 		return PTR_ERR(dev);
335 
336 	ret = pci_enable_device(pdev);
337 	if (ret)
338 		goto err_free;
339 
340 	pci_set_drvdata(pdev, dev);
341 
342 	ret = drm_dev_register(dev, ent->driver_data);
343 	if (ret)
344 		goto err_agp;
345 
346 	return 0;
347 
348 err_agp:
349 	pci_disable_device(pdev);
350 err_free:
351 	drm_dev_put(dev);
352 	return ret;
353 }
354 
355 static void
356 radeon_pci_remove(struct pci_dev *pdev)
357 {
358 	struct drm_device *dev = pci_get_drvdata(pdev);
359 
360 	drm_put_dev(dev);
361 }
362 
363 static void
364 radeon_pci_shutdown(struct pci_dev *pdev)
365 {
366 	/* if we are running in a VM, make sure the device
367 	 * torn down properly on reboot/shutdown
368 	 */
369 	if (radeon_device_is_virtual())
370 		radeon_pci_remove(pdev);
371 
372 #if defined(CONFIG_PPC64) || defined(CONFIG_MACH_LOONGSON64)
373 	/*
374 	 * Some adapters need to be suspended before a
375 	 * shutdown occurs in order to prevent an error
376 	 * during kexec, shutdown or reboot.
377 	 * Make this power and Loongson specific because
378 	 * it breaks some other boards.
379 	 */
380 	radeon_suspend_kms(pci_get_drvdata(pdev), true, true, false);
381 #endif
382 }
383 
384 static int radeon_pmops_suspend(struct device *dev)
385 {
386 	struct drm_device *drm_dev = dev_get_drvdata(dev);
387 	return radeon_suspend_kms(drm_dev, true, true, false);
388 }
389 
390 static int radeon_pmops_resume(struct device *dev)
391 {
392 	struct drm_device *drm_dev = dev_get_drvdata(dev);
393 
394 	/* GPU comes up enabled by the bios on resume */
395 	if (radeon_is_px(drm_dev)) {
396 		pm_runtime_disable(dev);
397 		pm_runtime_set_active(dev);
398 		pm_runtime_enable(dev);
399 	}
400 
401 	return radeon_resume_kms(drm_dev, true, true);
402 }
403 
404 static int radeon_pmops_freeze(struct device *dev)
405 {
406 	struct drm_device *drm_dev = dev_get_drvdata(dev);
407 	return radeon_suspend_kms(drm_dev, false, true, true);
408 }
409 
410 static int radeon_pmops_thaw(struct device *dev)
411 {
412 	struct drm_device *drm_dev = dev_get_drvdata(dev);
413 	return radeon_resume_kms(drm_dev, false, true);
414 }
415 
416 static int radeon_pmops_runtime_suspend(struct device *dev)
417 {
418 	struct pci_dev *pdev = to_pci_dev(dev);
419 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
420 
421 	if (!radeon_is_px(drm_dev)) {
422 		pm_runtime_forbid(dev);
423 		return -EBUSY;
424 	}
425 
426 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
427 	drm_kms_helper_poll_disable(drm_dev);
428 
429 	radeon_suspend_kms(drm_dev, false, false, false);
430 	pci_save_state(pdev);
431 	pci_disable_device(pdev);
432 	pci_ignore_hotplug(pdev);
433 	if (radeon_is_atpx_hybrid())
434 		pci_set_power_state(pdev, PCI_D3cold);
435 	else if (!radeon_has_atpx_dgpu_power_cntl())
436 		pci_set_power_state(pdev, PCI_D3hot);
437 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
438 
439 	return 0;
440 }
441 
442 static int radeon_pmops_runtime_resume(struct device *dev)
443 {
444 	struct pci_dev *pdev = to_pci_dev(dev);
445 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
446 	int ret;
447 
448 	if (!radeon_is_px(drm_dev))
449 		return -EINVAL;
450 
451 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
452 
453 	if (radeon_is_atpx_hybrid() ||
454 	    !radeon_has_atpx_dgpu_power_cntl())
455 		pci_set_power_state(pdev, PCI_D0);
456 	pci_restore_state(pdev);
457 	ret = pci_enable_device(pdev);
458 	if (ret)
459 		return ret;
460 	pci_set_master(pdev);
461 
462 	ret = radeon_resume_kms(drm_dev, false, false);
463 	drm_kms_helper_poll_enable(drm_dev);
464 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
465 	return 0;
466 }
467 
468 static int radeon_pmops_runtime_idle(struct device *dev)
469 {
470 	struct drm_device *drm_dev = dev_get_drvdata(dev);
471 	struct drm_crtc *crtc;
472 
473 	if (!radeon_is_px(drm_dev)) {
474 		pm_runtime_forbid(dev);
475 		return -EBUSY;
476 	}
477 
478 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
479 		if (crtc->enabled) {
480 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
481 			return -EBUSY;
482 		}
483 	}
484 
485 	pm_runtime_mark_last_busy(dev);
486 	pm_runtime_autosuspend(dev);
487 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
488 	return 1;
489 }
490 
491 long radeon_drm_ioctl(struct file *filp,
492 		      unsigned int cmd, unsigned long arg)
493 {
494 	struct drm_file *file_priv = filp->private_data;
495 	struct drm_device *dev;
496 	long ret;
497 	dev = file_priv->minor->dev;
498 	ret = pm_runtime_get_sync(dev->dev);
499 	if (ret < 0) {
500 		pm_runtime_put_autosuspend(dev->dev);
501 		return ret;
502 	}
503 
504 	ret = drm_ioctl(filp, cmd, arg);
505 
506 	pm_runtime_mark_last_busy(dev->dev);
507 	pm_runtime_put_autosuspend(dev->dev);
508 	return ret;
509 }
510 
511 #ifdef CONFIG_COMPAT
512 static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
513 {
514 	unsigned int nr = DRM_IOCTL_NR(cmd);
515 
516 	if (nr < DRM_COMMAND_BASE)
517 		return drm_compat_ioctl(filp, cmd, arg);
518 
519 	return radeon_drm_ioctl(filp, cmd, arg);
520 }
521 #endif
522 
523 static const struct dev_pm_ops radeon_pm_ops = {
524 	.suspend = radeon_pmops_suspend,
525 	.resume = radeon_pmops_resume,
526 	.freeze = radeon_pmops_freeze,
527 	.thaw = radeon_pmops_thaw,
528 	.poweroff = radeon_pmops_freeze,
529 	.restore = radeon_pmops_resume,
530 	.runtime_suspend = radeon_pmops_runtime_suspend,
531 	.runtime_resume = radeon_pmops_runtime_resume,
532 	.runtime_idle = radeon_pmops_runtime_idle,
533 };
534 
535 static const struct file_operations radeon_driver_kms_fops = {
536 	.owner = THIS_MODULE,
537 	.open = drm_open,
538 	.release = drm_release,
539 	.unlocked_ioctl = radeon_drm_ioctl,
540 	.mmap = drm_gem_mmap,
541 	.poll = drm_poll,
542 	.read = drm_read,
543 #ifdef CONFIG_COMPAT
544 	.compat_ioctl = radeon_kms_compat_ioctl,
545 #endif
546 };
547 
548 static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
549 	DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
550 	DRM_IOCTL_DEF_DRV(RADEON_CP_START, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
551 	DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
552 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
553 	DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, drm_invalid_op, DRM_AUTH),
554 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, drm_invalid_op, DRM_AUTH),
555 	DRM_IOCTL_DEF_DRV(RADEON_RESET, drm_invalid_op, DRM_AUTH),
556 	DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, drm_invalid_op, DRM_AUTH),
557 	DRM_IOCTL_DEF_DRV(RADEON_SWAP, drm_invalid_op, DRM_AUTH),
558 	DRM_IOCTL_DEF_DRV(RADEON_CLEAR, drm_invalid_op, DRM_AUTH),
559 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX, drm_invalid_op, DRM_AUTH),
560 	DRM_IOCTL_DEF_DRV(RADEON_INDICES, drm_invalid_op, DRM_AUTH),
561 	DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, drm_invalid_op, DRM_AUTH),
562 	DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, drm_invalid_op, DRM_AUTH),
563 	DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
564 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, drm_invalid_op, DRM_AUTH),
565 	DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, drm_invalid_op, DRM_AUTH),
566 	DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, drm_invalid_op, DRM_AUTH),
567 	DRM_IOCTL_DEF_DRV(RADEON_FLIP, drm_invalid_op, DRM_AUTH),
568 	DRM_IOCTL_DEF_DRV(RADEON_ALLOC, drm_invalid_op, DRM_AUTH),
569 	DRM_IOCTL_DEF_DRV(RADEON_FREE, drm_invalid_op, DRM_AUTH),
570 	DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
571 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, drm_invalid_op, DRM_AUTH),
572 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, drm_invalid_op, DRM_AUTH),
573 	DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, drm_invalid_op, DRM_AUTH),
574 	DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, drm_invalid_op, DRM_AUTH),
575 	DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, drm_invalid_op, DRM_AUTH),
576 	/* KMS */
577 	DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
578 	DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
579 	DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
580 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
581 	DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH),
582 	DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH),
583 	DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
584 	DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
585 	DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
586 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
587 	DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
588 	DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
589 	DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
590 	DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
591 	DRM_IOCTL_DEF_DRV(RADEON_GEM_USERPTR, radeon_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
592 };
593 
594 static const struct drm_driver kms_driver = {
595 	.driver_features =
596 	    DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
597 	.load = radeon_driver_load_kms,
598 	.open = radeon_driver_open_kms,
599 	.postclose = radeon_driver_postclose_kms,
600 	.lastclose = radeon_driver_lastclose_kms,
601 	.unload = radeon_driver_unload_kms,
602 	.ioctls = radeon_ioctls_kms,
603 	.num_ioctls = ARRAY_SIZE(radeon_ioctls_kms),
604 	.dumb_create = radeon_mode_dumb_create,
605 	.dumb_map_offset = radeon_mode_dumb_mmap,
606 	.fops = &radeon_driver_kms_fops,
607 
608 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
609 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
610 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
611 	.gem_prime_mmap = drm_gem_prime_mmap,
612 
613 	.name = DRIVER_NAME,
614 	.desc = DRIVER_DESC,
615 	.date = DRIVER_DATE,
616 	.major = KMS_DRIVER_MAJOR,
617 	.minor = KMS_DRIVER_MINOR,
618 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
619 };
620 
621 static struct pci_driver radeon_kms_pci_driver = {
622 	.name = DRIVER_NAME,
623 	.id_table = pciidlist,
624 	.probe = radeon_pci_probe,
625 	.remove = radeon_pci_remove,
626 	.shutdown = radeon_pci_shutdown,
627 	.driver.pm = &radeon_pm_ops,
628 };
629 
630 static int __init radeon_module_init(void)
631 {
632 	if (drm_firmware_drivers_only() && radeon_modeset == -1)
633 		radeon_modeset = 0;
634 
635 	if (radeon_modeset == 0)
636 		return -EINVAL;
637 
638 	DRM_INFO("radeon kernel modesetting enabled.\n");
639 	radeon_register_atpx_handler();
640 
641 	return pci_register_driver(&radeon_kms_pci_driver);
642 }
643 
644 static void __exit radeon_module_exit(void)
645 {
646 	pci_unregister_driver(&radeon_kms_pci_driver);
647 	radeon_unregister_atpx_handler();
648 	mmu_notifier_synchronize();
649 }
650 
651 module_init(radeon_module_init);
652 module_exit(radeon_module_exit);
653 
654 MODULE_AUTHOR(DRIVER_AUTHOR);
655 MODULE_DESCRIPTION(DRIVER_DESC);
656 MODULE_LICENSE("GPL and additional rights");
657