xref: /linux/drivers/gpu/drm/radeon/radeon_drv.c (revision 7f71507851fc7764b36a3221839607d3a45c2025)
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 <linux/aperture.h>
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_client_setup.h>
41 #include <drm/drm_drv.h>
42 #include <drm/drm_file.h>
43 #include <drm/drm_fourcc.h>
44 #include <drm/drm_gem.h>
45 #include <drm/drm_ioctl.h>
46 #include <drm/drm_pciids.h>
47 #include <drm/drm_probe_helper.h>
48 #include <drm/drm_vblank.h>
49 #include <drm/radeon_drm.h>
50 
51 #include "radeon_drv.h"
52 #include "radeon.h"
53 #include "radeon_kms.h"
54 #include "radeon_ttm.h"
55 #include "radeon_device.h"
56 #include "radeon_prime.h"
57 
58 /*
59  * KMS wrapper.
60  * - 2.0.0 - initial interface
61  * - 2.1.0 - add square tiling interface
62  * - 2.2.0 - add r6xx/r7xx const buffer support
63  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
64  * - 2.4.0 - add crtc id query
65  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
66  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
67  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
68  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
69  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
70  *   2.10.0 - fusion 2D tiling
71  *   2.11.0 - backend map, initial compute support for the CS checker
72  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
73  *   2.13.0 - virtual memory support, streamout
74  *   2.14.0 - add evergreen tiling informations
75  *   2.15.0 - add max_pipes query
76  *   2.16.0 - fix evergreen 2D tiled surface calculation
77  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
78  *   2.18.0 - r600-eg: allow "invalid" DB formats
79  *   2.19.0 - r600-eg: MSAA textures
80  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
81  *   2.21.0 - r600-r700: FMASK and CMASK
82  *   2.22.0 - r600 only: RESOLVE_BOX allowed
83  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
84  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
85  *   2.25.0 - eg+: new info request for num SE and num SH
86  *   2.26.0 - r600-eg: fix htile size computation
87  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
88  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
89  *   2.29.0 - R500 FP16 color clear registers
90  *   2.30.0 - fix for FMASK texturing
91  *   2.31.0 - Add fastfb support for rs690
92  *   2.32.0 - new info request for rings working
93  *   2.33.0 - Add SI tiling mode array query
94  *   2.34.0 - Add CIK tiling mode array query
95  *   2.35.0 - Add CIK macrotile mode array query
96  *   2.36.0 - Fix CIK DCE tiling setup
97  *   2.37.0 - allow GS ring setup on r6xx/r7xx
98  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
99  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
100  *   2.39.0 - Add INFO query for number of active CUs
101  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
102  *            CS to GPU on >= r600
103  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
104  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
105  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
106  *   2.44.0 - SET_APPEND_CNT packet3 support
107  *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
108  *   2.46.0 - Add PFP_SYNC_ME support on evergreen
109  *   2.47.0 - Add UVD_NO_OP register support
110  *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
111  *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
112  *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
113  */
114 #define KMS_DRIVER_MAJOR	2
115 #define KMS_DRIVER_MINOR	50
116 #define KMS_DRIVER_PATCHLEVEL	0
117 
118 int radeon_no_wb;
119 int radeon_modeset = -1;
120 int radeon_dynclks = -1;
121 int radeon_r4xx_atom;
122 int radeon_agpmode = -1;
123 int radeon_vram_limit;
124 int radeon_gart_size = -1; /* auto */
125 int radeon_benchmarking;
126 int radeon_testing;
127 int radeon_connector_table;
128 int radeon_tv = 1;
129 int radeon_audio = -1;
130 int radeon_disp_priority;
131 int radeon_hw_i2c;
132 int radeon_pcie_gen2 = -1;
133 int radeon_msi = -1;
134 int radeon_lockup_timeout = 10000;
135 int radeon_fastfb;
136 int radeon_dpm = -1;
137 int radeon_aspm = -1;
138 int radeon_runtime_pm = -1;
139 int radeon_hard_reset;
140 int radeon_vm_size = 8;
141 int radeon_vm_block_size = -1;
142 int radeon_deep_color;
143 int radeon_use_pflipirq = 2;
144 int radeon_bapm = -1;
145 int radeon_backlight = -1;
146 int radeon_auxch = -1;
147 int radeon_uvd = 1;
148 int radeon_vce = 1;
149 
150 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
151 module_param_named(no_wb, radeon_no_wb, int, 0444);
152 
153 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
154 module_param_named(modeset, radeon_modeset, int, 0400);
155 
156 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
157 module_param_named(dynclks, radeon_dynclks, int, 0444);
158 
159 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
160 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
161 
162 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
163 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
164 
165 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
166 module_param_named(agpmode, radeon_agpmode, int, 0444);
167 
168 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
169 module_param_named(gartsize, radeon_gart_size, int, 0600);
170 
171 MODULE_PARM_DESC(benchmark, "Run benchmark");
172 module_param_named(benchmark, radeon_benchmarking, int, 0444);
173 
174 MODULE_PARM_DESC(test, "Run tests");
175 module_param_named(test, radeon_testing, int, 0444);
176 
177 MODULE_PARM_DESC(connector_table, "Force connector table");
178 module_param_named(connector_table, radeon_connector_table, int, 0444);
179 
180 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
181 module_param_named(tv, radeon_tv, int, 0444);
182 
183 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
184 module_param_named(audio, radeon_audio, int, 0444);
185 
186 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
187 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
188 
189 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
190 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
191 
192 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
193 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
194 
195 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
196 module_param_named(msi, radeon_msi, int, 0444);
197 
198 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
199 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
200 
201 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
202 module_param_named(fastfb, radeon_fastfb, int, 0444);
203 
204 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
205 module_param_named(dpm, radeon_dpm, int, 0444);
206 
207 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
208 module_param_named(aspm, radeon_aspm, int, 0444);
209 
210 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
211 module_param_named(runpm, radeon_runtime_pm, int, 0444);
212 
213 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
214 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
215 
216 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
217 module_param_named(vm_size, radeon_vm_size, int, 0444);
218 
219 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
220 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
221 
222 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
223 module_param_named(deep_color, radeon_deep_color, int, 0444);
224 
225 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
226 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
227 
228 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
229 module_param_named(bapm, radeon_bapm, int, 0444);
230 
231 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
232 module_param_named(backlight, radeon_backlight, int, 0444);
233 
234 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
235 module_param_named(auxch, radeon_auxch, int, 0444);
236 
237 MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
238 module_param_named(uvd, radeon_uvd, int, 0444);
239 
240 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
241 module_param_named(vce, radeon_vce, int, 0444);
242 
243 int radeon_si_support = 1;
244 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
245 module_param_named(si_support, radeon_si_support, int, 0444);
246 
247 int radeon_cik_support = 1;
248 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
249 module_param_named(cik_support, radeon_cik_support, int, 0444);
250 
251 static const struct pci_device_id pciidlist[] = {
252 	radeon_PCI_IDS
253 };
254 MODULE_DEVICE_TABLE(pci, pciidlist);
255 
256 static const struct drm_driver kms_driver;
257 
258 static int radeon_pci_probe(struct pci_dev *pdev,
259 			    const struct pci_device_id *ent)
260 {
261 	unsigned long flags = 0;
262 	struct drm_device *ddev;
263 	struct radeon_device *rdev;
264 	const struct drm_format_info *format;
265 	int ret;
266 
267 	if (!ent)
268 		return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */
269 
270 	flags = ent->driver_data;
271 
272 	if (!radeon_si_support) {
273 		switch (flags & RADEON_FAMILY_MASK) {
274 		case CHIP_TAHITI:
275 		case CHIP_PITCAIRN:
276 		case CHIP_VERDE:
277 		case CHIP_OLAND:
278 		case CHIP_HAINAN:
279 			dev_info(&pdev->dev,
280 				 "SI support disabled by module param\n");
281 			return -ENODEV;
282 		}
283 	}
284 	if (!radeon_cik_support) {
285 		switch (flags & RADEON_FAMILY_MASK) {
286 		case CHIP_KAVERI:
287 		case CHIP_BONAIRE:
288 		case CHIP_HAWAII:
289 		case CHIP_KABINI:
290 		case CHIP_MULLINS:
291 			dev_info(&pdev->dev,
292 				 "CIK support disabled by module param\n");
293 			return -ENODEV;
294 		}
295 	}
296 
297 	if (vga_switcheroo_client_probe_defer(pdev))
298 		return -EPROBE_DEFER;
299 
300 	/* Get rid of things like offb */
301 	ret = aperture_remove_conflicting_pci_devices(pdev, kms_driver.name);
302 	if (ret)
303 		return ret;
304 
305 	rdev = devm_drm_dev_alloc(&pdev->dev, &kms_driver, typeof(*rdev), ddev);
306 	if (IS_ERR(rdev))
307 		return PTR_ERR(rdev);
308 
309 	rdev->dev = &pdev->dev;
310 	rdev->pdev = pdev;
311 	ddev = rdev_to_drm(rdev);
312 	ddev->dev_private = rdev;
313 
314 	ret = pci_enable_device(pdev);
315 	if (ret)
316 		goto err_free;
317 
318 	pci_set_drvdata(pdev, ddev);
319 
320 	ret = radeon_driver_load_kms(ddev, flags);
321 	if (ret)
322 		goto err_agp;
323 
324 	ret = drm_dev_register(ddev, flags);
325 	if (ret)
326 		goto err_agp;
327 
328 	if (rdev->mc.real_vram_size <= (8 * 1024 * 1024))
329 		format = drm_format_info(DRM_FORMAT_C8);
330 	else if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32 * 1024 * 1024))
331 		format = drm_format_info(DRM_FORMAT_RGB565);
332 	else
333 		format = NULL;
334 
335 	drm_client_setup(ddev, format);
336 
337 	return 0;
338 
339 err_agp:
340 	pci_disable_device(pdev);
341 err_free:
342 	drm_dev_put(ddev);
343 	return ret;
344 }
345 
346 static void
347 radeon_pci_remove(struct pci_dev *pdev)
348 {
349 	struct drm_device *dev = pci_get_drvdata(pdev);
350 
351 	drm_put_dev(dev);
352 }
353 
354 static void
355 radeon_pci_shutdown(struct pci_dev *pdev)
356 {
357 	/* if we are running in a VM, make sure the device
358 	 * torn down properly on reboot/shutdown
359 	 */
360 	if (radeon_device_is_virtual())
361 		radeon_pci_remove(pdev);
362 
363 #if defined(CONFIG_PPC64) || defined(CONFIG_MACH_LOONGSON64)
364 	/*
365 	 * Some adapters need to be suspended before a
366 	 * shutdown occurs in order to prevent an error
367 	 * during kexec, shutdown or reboot.
368 	 * Make this power and Loongson specific because
369 	 * it breaks some other boards.
370 	 */
371 	radeon_suspend_kms(pci_get_drvdata(pdev), true, true, false);
372 #endif
373 }
374 
375 static int radeon_pmops_suspend(struct device *dev)
376 {
377 	struct drm_device *drm_dev = dev_get_drvdata(dev);
378 
379 	return radeon_suspend_kms(drm_dev, true, true, false);
380 }
381 
382 static int radeon_pmops_resume(struct device *dev)
383 {
384 	struct drm_device *drm_dev = dev_get_drvdata(dev);
385 
386 	/* GPU comes up enabled by the bios on resume */
387 	if (radeon_is_px(drm_dev)) {
388 		pm_runtime_disable(dev);
389 		pm_runtime_set_active(dev);
390 		pm_runtime_enable(dev);
391 	}
392 
393 	return radeon_resume_kms(drm_dev, true, true);
394 }
395 
396 static int radeon_pmops_freeze(struct device *dev)
397 {
398 	struct drm_device *drm_dev = dev_get_drvdata(dev);
399 
400 	return radeon_suspend_kms(drm_dev, false, true, true);
401 }
402 
403 static int radeon_pmops_thaw(struct device *dev)
404 {
405 	struct drm_device *drm_dev = dev_get_drvdata(dev);
406 
407 	return radeon_resume_kms(drm_dev, false, true);
408 }
409 
410 static int radeon_pmops_runtime_suspend(struct device *dev)
411 {
412 	struct pci_dev *pdev = to_pci_dev(dev);
413 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
414 
415 	if (!radeon_is_px(drm_dev)) {
416 		pm_runtime_forbid(dev);
417 		return -EBUSY;
418 	}
419 
420 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
421 	drm_kms_helper_poll_disable(drm_dev);
422 
423 	radeon_suspend_kms(drm_dev, false, false, false);
424 	pci_save_state(pdev);
425 	pci_disable_device(pdev);
426 	pci_ignore_hotplug(pdev);
427 	if (radeon_is_atpx_hybrid())
428 		pci_set_power_state(pdev, PCI_D3cold);
429 	else if (!radeon_has_atpx_dgpu_power_cntl())
430 		pci_set_power_state(pdev, PCI_D3hot);
431 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
432 
433 	return 0;
434 }
435 
436 static int radeon_pmops_runtime_resume(struct device *dev)
437 {
438 	struct pci_dev *pdev = to_pci_dev(dev);
439 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
440 	int ret;
441 
442 	if (!radeon_is_px(drm_dev))
443 		return -EINVAL;
444 
445 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
446 
447 	if (radeon_is_atpx_hybrid() ||
448 	    !radeon_has_atpx_dgpu_power_cntl())
449 		pci_set_power_state(pdev, PCI_D0);
450 	pci_restore_state(pdev);
451 	ret = pci_enable_device(pdev);
452 	if (ret)
453 		return ret;
454 	pci_set_master(pdev);
455 
456 	ret = radeon_resume_kms(drm_dev, false, false);
457 	drm_kms_helper_poll_enable(drm_dev);
458 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
459 	return 0;
460 }
461 
462 static int radeon_pmops_runtime_idle(struct device *dev)
463 {
464 	struct drm_device *drm_dev = dev_get_drvdata(dev);
465 	struct drm_crtc *crtc;
466 
467 	if (!radeon_is_px(drm_dev)) {
468 		pm_runtime_forbid(dev);
469 		return -EBUSY;
470 	}
471 
472 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
473 		if (crtc->enabled) {
474 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
475 			return -EBUSY;
476 		}
477 	}
478 
479 	pm_runtime_mark_last_busy(dev);
480 	pm_runtime_autosuspend(dev);
481 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
482 	return 1;
483 }
484 
485 long radeon_drm_ioctl(struct file *filp,
486 		      unsigned int cmd, unsigned long arg)
487 {
488 	struct drm_file *file_priv = filp->private_data;
489 	struct drm_device *dev;
490 	long ret;
491 
492 	dev = file_priv->minor->dev;
493 	ret = pm_runtime_get_sync(dev->dev);
494 	if (ret < 0) {
495 		pm_runtime_put_autosuspend(dev->dev);
496 		return ret;
497 	}
498 
499 	ret = drm_ioctl(filp, cmd, arg);
500 
501 	pm_runtime_mark_last_busy(dev->dev);
502 	pm_runtime_put_autosuspend(dev->dev);
503 	return ret;
504 }
505 
506 #ifdef CONFIG_COMPAT
507 static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
508 {
509 	unsigned int nr = DRM_IOCTL_NR(cmd);
510 
511 	if (nr < DRM_COMMAND_BASE)
512 		return drm_compat_ioctl(filp, cmd, arg);
513 
514 	return radeon_drm_ioctl(filp, cmd, arg);
515 }
516 #endif
517 
518 static const struct dev_pm_ops radeon_pm_ops = {
519 	.suspend = radeon_pmops_suspend,
520 	.resume = radeon_pmops_resume,
521 	.freeze = radeon_pmops_freeze,
522 	.thaw = radeon_pmops_thaw,
523 	.poweroff = radeon_pmops_freeze,
524 	.restore = radeon_pmops_resume,
525 	.runtime_suspend = radeon_pmops_runtime_suspend,
526 	.runtime_resume = radeon_pmops_runtime_resume,
527 	.runtime_idle = radeon_pmops_runtime_idle,
528 };
529 
530 static const struct file_operations radeon_driver_kms_fops = {
531 	.owner = THIS_MODULE,
532 	.open = drm_open,
533 	.release = drm_release,
534 	.unlocked_ioctl = radeon_drm_ioctl,
535 	.mmap = drm_gem_mmap,
536 	.poll = drm_poll,
537 	.read = drm_read,
538 #ifdef CONFIG_COMPAT
539 	.compat_ioctl = radeon_kms_compat_ioctl,
540 #endif
541 	.fop_flags = FOP_UNSIGNED_OFFSET,
542 };
543 
544 static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
545 	DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
546 	DRM_IOCTL_DEF_DRV(RADEON_CP_START, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
547 	DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
548 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
549 	DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, drm_invalid_op, DRM_AUTH),
550 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, drm_invalid_op, DRM_AUTH),
551 	DRM_IOCTL_DEF_DRV(RADEON_RESET, drm_invalid_op, DRM_AUTH),
552 	DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, drm_invalid_op, DRM_AUTH),
553 	DRM_IOCTL_DEF_DRV(RADEON_SWAP, drm_invalid_op, DRM_AUTH),
554 	DRM_IOCTL_DEF_DRV(RADEON_CLEAR, drm_invalid_op, DRM_AUTH),
555 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX, drm_invalid_op, DRM_AUTH),
556 	DRM_IOCTL_DEF_DRV(RADEON_INDICES, drm_invalid_op, DRM_AUTH),
557 	DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, drm_invalid_op, DRM_AUTH),
558 	DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, drm_invalid_op, DRM_AUTH),
559 	DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
560 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, drm_invalid_op, DRM_AUTH),
561 	DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, drm_invalid_op, DRM_AUTH),
562 	DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, drm_invalid_op, DRM_AUTH),
563 	DRM_IOCTL_DEF_DRV(RADEON_FLIP, drm_invalid_op, DRM_AUTH),
564 	DRM_IOCTL_DEF_DRV(RADEON_ALLOC, drm_invalid_op, DRM_AUTH),
565 	DRM_IOCTL_DEF_DRV(RADEON_FREE, drm_invalid_op, DRM_AUTH),
566 	DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
567 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, drm_invalid_op, DRM_AUTH),
568 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, drm_invalid_op, DRM_AUTH),
569 	DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, drm_invalid_op, DRM_AUTH),
570 	DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, drm_invalid_op, DRM_AUTH),
571 	DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, drm_invalid_op, DRM_AUTH),
572 	/* KMS */
573 	DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
574 	DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
575 	DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
576 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
577 	DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
578 	DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
579 	DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
580 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
581 	DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
582 	DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
583 	DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
584 	DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
585 	DRM_IOCTL_DEF_DRV(RADEON_GEM_USERPTR, radeon_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
586 };
587 
588 static const struct drm_driver kms_driver = {
589 	.driver_features =
590 	    DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
591 	.open = radeon_driver_open_kms,
592 	.postclose = radeon_driver_postclose_kms,
593 	.unload = radeon_driver_unload_kms,
594 	.ioctls = radeon_ioctls_kms,
595 	.num_ioctls = ARRAY_SIZE(radeon_ioctls_kms),
596 	.dumb_create = radeon_mode_dumb_create,
597 	.dumb_map_offset = radeon_mode_dumb_mmap,
598 	.fops = &radeon_driver_kms_fops,
599 
600 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
601 
602 	RADEON_FBDEV_DRIVER_OPS,
603 
604 	.name = DRIVER_NAME,
605 	.desc = DRIVER_DESC,
606 	.date = DRIVER_DATE,
607 	.major = KMS_DRIVER_MAJOR,
608 	.minor = KMS_DRIVER_MINOR,
609 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
610 };
611 
612 static struct pci_driver radeon_kms_pci_driver = {
613 	.name = DRIVER_NAME,
614 	.id_table = pciidlist,
615 	.probe = radeon_pci_probe,
616 	.remove = radeon_pci_remove,
617 	.shutdown = radeon_pci_shutdown,
618 	.driver.pm = &radeon_pm_ops,
619 };
620 
621 static int __init radeon_module_init(void)
622 {
623 	if (drm_firmware_drivers_only() && radeon_modeset == -1)
624 		radeon_modeset = 0;
625 
626 	if (radeon_modeset == 0)
627 		return -EINVAL;
628 
629 	DRM_INFO("radeon kernel modesetting enabled.\n");
630 	radeon_register_atpx_handler();
631 
632 	return pci_register_driver(&radeon_kms_pci_driver);
633 }
634 
635 static void __exit radeon_module_exit(void)
636 {
637 	pci_unregister_driver(&radeon_kms_pci_driver);
638 	radeon_unregister_atpx_handler();
639 	mmu_notifier_synchronize();
640 }
641 
642 module_init(radeon_module_init);
643 module_exit(radeon_module_exit);
644 
645 MODULE_AUTHOR(DRIVER_AUTHOR);
646 MODULE_DESCRIPTION(DRIVER_DESC);
647 MODULE_LICENSE("GPL and additional rights");
648