xref: /linux/drivers/gpu/drm/radeon/radeon_drv.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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_drv.h>
42 #include <drm/drm_file.h>
43 #include <drm/drm_gem.h>
44 #include <drm/drm_ioctl.h>
45 #include <drm/drm_pciids.h>
46 #include <drm/drm_probe_helper.h>
47 #include <drm/drm_vblank.h>
48 #include <drm/radeon_drm.h>
49 
50 #include "radeon_drv.h"
51 #include "radeon.h"
52 #include "radeon_kms.h"
53 #include "radeon_ttm.h"
54 #include "radeon_device.h"
55 #include "radeon_prime.h"
56 
57 /*
58  * KMS wrapper.
59  * - 2.0.0 - initial interface
60  * - 2.1.0 - add square tiling interface
61  * - 2.2.0 - add r6xx/r7xx const buffer support
62  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
63  * - 2.4.0 - add crtc id query
64  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
65  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
66  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
67  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
68  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
69  *   2.10.0 - fusion 2D tiling
70  *   2.11.0 - backend map, initial compute support for the CS checker
71  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
72  *   2.13.0 - virtual memory support, streamout
73  *   2.14.0 - add evergreen tiling informations
74  *   2.15.0 - add max_pipes query
75  *   2.16.0 - fix evergreen 2D tiled surface calculation
76  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
77  *   2.18.0 - r600-eg: allow "invalid" DB formats
78  *   2.19.0 - r600-eg: MSAA textures
79  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
80  *   2.21.0 - r600-r700: FMASK and CMASK
81  *   2.22.0 - r600 only: RESOLVE_BOX allowed
82  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
83  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
84  *   2.25.0 - eg+: new info request for num SE and num SH
85  *   2.26.0 - r600-eg: fix htile size computation
86  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
87  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
88  *   2.29.0 - R500 FP16 color clear registers
89  *   2.30.0 - fix for FMASK texturing
90  *   2.31.0 - Add fastfb support for rs690
91  *   2.32.0 - new info request for rings working
92  *   2.33.0 - Add SI tiling mode array query
93  *   2.34.0 - Add CIK tiling mode array query
94  *   2.35.0 - Add CIK macrotile mode array query
95  *   2.36.0 - Fix CIK DCE tiling setup
96  *   2.37.0 - allow GS ring setup on r6xx/r7xx
97  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
98  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
99  *   2.39.0 - Add INFO query for number of active CUs
100  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
101  *            CS to GPU on >= r600
102  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
103  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
104  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
105  *   2.44.0 - SET_APPEND_CNT packet3 support
106  *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
107  *   2.46.0 - Add PFP_SYNC_ME support on evergreen
108  *   2.47.0 - Add UVD_NO_OP register support
109  *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
110  *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
111  *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
112  */
113 #define KMS_DRIVER_MAJOR	2
114 #define KMS_DRIVER_MINOR	50
115 #define KMS_DRIVER_PATCHLEVEL	0
116 
117 int radeon_no_wb;
118 int radeon_modeset = -1;
119 int radeon_dynclks = -1;
120 int radeon_r4xx_atom;
121 int radeon_agpmode = -1;
122 int radeon_vram_limit;
123 int radeon_gart_size = -1; /* auto */
124 int radeon_benchmarking;
125 int radeon_testing;
126 int radeon_connector_table;
127 int radeon_tv = 1;
128 int radeon_audio = -1;
129 int radeon_disp_priority;
130 int radeon_hw_i2c;
131 int radeon_pcie_gen2 = -1;
132 int radeon_msi = -1;
133 int radeon_lockup_timeout = 10000;
134 int radeon_fastfb;
135 int radeon_dpm = -1;
136 int radeon_aspm = -1;
137 int radeon_runtime_pm = -1;
138 int radeon_hard_reset;
139 int radeon_vm_size = 8;
140 int radeon_vm_block_size = -1;
141 int radeon_deep_color;
142 int radeon_use_pflipirq = 2;
143 int radeon_bapm = -1;
144 int radeon_backlight = -1;
145 int radeon_auxch = -1;
146 int radeon_uvd = 1;
147 int radeon_vce = 1;
148 
149 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
150 module_param_named(no_wb, radeon_no_wb, int, 0444);
151 
152 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
153 module_param_named(modeset, radeon_modeset, int, 0400);
154 
155 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
156 module_param_named(dynclks, radeon_dynclks, int, 0444);
157 
158 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
159 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
160 
161 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
162 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
163 
164 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
165 module_param_named(agpmode, radeon_agpmode, int, 0444);
166 
167 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
168 module_param_named(gartsize, radeon_gart_size, int, 0600);
169 
170 MODULE_PARM_DESC(benchmark, "Run benchmark");
171 module_param_named(benchmark, radeon_benchmarking, int, 0444);
172 
173 MODULE_PARM_DESC(test, "Run tests");
174 module_param_named(test, radeon_testing, int, 0444);
175 
176 MODULE_PARM_DESC(connector_table, "Force connector table");
177 module_param_named(connector_table, radeon_connector_table, int, 0444);
178 
179 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
180 module_param_named(tv, radeon_tv, int, 0444);
181 
182 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
183 module_param_named(audio, radeon_audio, int, 0444);
184 
185 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
186 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
187 
188 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
189 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
190 
191 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
192 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
193 
194 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
195 module_param_named(msi, radeon_msi, int, 0444);
196 
197 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
198 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
199 
200 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
201 module_param_named(fastfb, radeon_fastfb, int, 0444);
202 
203 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
204 module_param_named(dpm, radeon_dpm, int, 0444);
205 
206 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
207 module_param_named(aspm, radeon_aspm, int, 0444);
208 
209 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
210 module_param_named(runpm, radeon_runtime_pm, int, 0444);
211 
212 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
213 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
214 
215 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
216 module_param_named(vm_size, radeon_vm_size, int, 0444);
217 
218 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
219 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
220 
221 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
222 module_param_named(deep_color, radeon_deep_color, int, 0444);
223 
224 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
225 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
226 
227 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
228 module_param_named(bapm, radeon_bapm, int, 0444);
229 
230 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
231 module_param_named(backlight, radeon_backlight, int, 0444);
232 
233 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
234 module_param_named(auxch, radeon_auxch, int, 0444);
235 
236 MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
237 module_param_named(uvd, radeon_uvd, int, 0444);
238 
239 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
240 module_param_named(vce, radeon_vce, int, 0444);
241 
242 int radeon_si_support = 1;
243 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
244 module_param_named(si_support, radeon_si_support, int, 0444);
245 
246 int radeon_cik_support = 1;
247 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
248 module_param_named(cik_support, radeon_cik_support, int, 0444);
249 
250 static struct pci_device_id pciidlist[] = {
251 	radeon_PCI_IDS
252 };
253 
254 MODULE_DEVICE_TABLE(pci, pciidlist);
255 
256 static const struct drm_driver kms_driver;
257 
radeon_pci_probe(struct pci_dev * pdev,const struct pci_device_id * ent)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 	int ret;
265 
266 	if (!ent)
267 		return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */
268 
269 	flags = ent->driver_data;
270 
271 	if (!radeon_si_support) {
272 		switch (flags & RADEON_FAMILY_MASK) {
273 		case CHIP_TAHITI:
274 		case CHIP_PITCAIRN:
275 		case CHIP_VERDE:
276 		case CHIP_OLAND:
277 		case CHIP_HAINAN:
278 			dev_info(&pdev->dev,
279 				 "SI support disabled by module param\n");
280 			return -ENODEV;
281 		}
282 	}
283 	if (!radeon_cik_support) {
284 		switch (flags & RADEON_FAMILY_MASK) {
285 		case CHIP_KAVERI:
286 		case CHIP_BONAIRE:
287 		case CHIP_HAWAII:
288 		case CHIP_KABINI:
289 		case CHIP_MULLINS:
290 			dev_info(&pdev->dev,
291 				 "CIK support disabled by module param\n");
292 			return -ENODEV;
293 		}
294 	}
295 
296 	if (vga_switcheroo_client_probe_defer(pdev))
297 		return -EPROBE_DEFER;
298 
299 	/* Get rid of things like offb */
300 	ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &kms_driver);
301 	if (ret)
302 		return ret;
303 
304 	rdev = devm_drm_dev_alloc(&pdev->dev, &kms_driver, typeof(*rdev), ddev);
305 	if (IS_ERR(rdev))
306 		return PTR_ERR(rdev);
307 
308 	rdev->dev = &pdev->dev;
309 	rdev->pdev = pdev;
310 	ddev = rdev_to_drm(rdev);
311 	ddev->dev_private = rdev;
312 
313 	ret = pci_enable_device(pdev);
314 	if (ret)
315 		goto err_free;
316 
317 	pci_set_drvdata(pdev, ddev);
318 
319 	ret = radeon_driver_load_kms(ddev, flags);
320 	if (ret)
321 		goto err_agp;
322 
323 	ret = drm_dev_register(ddev, flags);
324 	if (ret)
325 		goto err_agp;
326 
327 	radeon_fbdev_setup(ddev->dev_private);
328 
329 	return 0;
330 
331 err_agp:
332 	pci_disable_device(pdev);
333 err_free:
334 	drm_dev_put(ddev);
335 	return ret;
336 }
337 
338 static void
radeon_pci_remove(struct pci_dev * pdev)339 radeon_pci_remove(struct pci_dev *pdev)
340 {
341 	struct drm_device *dev = pci_get_drvdata(pdev);
342 
343 	drm_put_dev(dev);
344 }
345 
346 static void
radeon_pci_shutdown(struct pci_dev * pdev)347 radeon_pci_shutdown(struct pci_dev *pdev)
348 {
349 	/* if we are running in a VM, make sure the device
350 	 * torn down properly on reboot/shutdown
351 	 */
352 	if (radeon_device_is_virtual())
353 		radeon_pci_remove(pdev);
354 
355 #if defined(CONFIG_PPC64) || defined(CONFIG_MACH_LOONGSON64)
356 	/*
357 	 * Some adapters need to be suspended before a
358 	 * shutdown occurs in order to prevent an error
359 	 * during kexec, shutdown or reboot.
360 	 * Make this power and Loongson specific because
361 	 * it breaks some other boards.
362 	 */
363 	radeon_suspend_kms(pci_get_drvdata(pdev), true, true, false);
364 #endif
365 }
366 
radeon_pmops_suspend(struct device * dev)367 static int radeon_pmops_suspend(struct device *dev)
368 {
369 	struct drm_device *drm_dev = dev_get_drvdata(dev);
370 
371 	return radeon_suspend_kms(drm_dev, true, true, false);
372 }
373 
radeon_pmops_resume(struct device * dev)374 static int radeon_pmops_resume(struct device *dev)
375 {
376 	struct drm_device *drm_dev = dev_get_drvdata(dev);
377 
378 	/* GPU comes up enabled by the bios on resume */
379 	if (radeon_is_px(drm_dev)) {
380 		pm_runtime_disable(dev);
381 		pm_runtime_set_active(dev);
382 		pm_runtime_enable(dev);
383 	}
384 
385 	return radeon_resume_kms(drm_dev, true, true);
386 }
387 
radeon_pmops_freeze(struct device * dev)388 static int radeon_pmops_freeze(struct device *dev)
389 {
390 	struct drm_device *drm_dev = dev_get_drvdata(dev);
391 
392 	return radeon_suspend_kms(drm_dev, false, true, true);
393 }
394 
radeon_pmops_thaw(struct device * dev)395 static int radeon_pmops_thaw(struct device *dev)
396 {
397 	struct drm_device *drm_dev = dev_get_drvdata(dev);
398 
399 	return radeon_resume_kms(drm_dev, false, true);
400 }
401 
radeon_pmops_runtime_suspend(struct device * dev)402 static int radeon_pmops_runtime_suspend(struct device *dev)
403 {
404 	struct pci_dev *pdev = to_pci_dev(dev);
405 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
406 
407 	if (!radeon_is_px(drm_dev)) {
408 		pm_runtime_forbid(dev);
409 		return -EBUSY;
410 	}
411 
412 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
413 	drm_kms_helper_poll_disable(drm_dev);
414 
415 	radeon_suspend_kms(drm_dev, false, false, false);
416 	pci_save_state(pdev);
417 	pci_disable_device(pdev);
418 	pci_ignore_hotplug(pdev);
419 	if (radeon_is_atpx_hybrid())
420 		pci_set_power_state(pdev, PCI_D3cold);
421 	else if (!radeon_has_atpx_dgpu_power_cntl())
422 		pci_set_power_state(pdev, PCI_D3hot);
423 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
424 
425 	return 0;
426 }
427 
radeon_pmops_runtime_resume(struct device * dev)428 static int radeon_pmops_runtime_resume(struct device *dev)
429 {
430 	struct pci_dev *pdev = to_pci_dev(dev);
431 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
432 	int ret;
433 
434 	if (!radeon_is_px(drm_dev))
435 		return -EINVAL;
436 
437 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
438 
439 	if (radeon_is_atpx_hybrid() ||
440 	    !radeon_has_atpx_dgpu_power_cntl())
441 		pci_set_power_state(pdev, PCI_D0);
442 	pci_restore_state(pdev);
443 	ret = pci_enable_device(pdev);
444 	if (ret)
445 		return ret;
446 	pci_set_master(pdev);
447 
448 	ret = radeon_resume_kms(drm_dev, false, false);
449 	drm_kms_helper_poll_enable(drm_dev);
450 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
451 	return 0;
452 }
453 
radeon_pmops_runtime_idle(struct device * dev)454 static int radeon_pmops_runtime_idle(struct device *dev)
455 {
456 	struct drm_device *drm_dev = dev_get_drvdata(dev);
457 	struct drm_crtc *crtc;
458 
459 	if (!radeon_is_px(drm_dev)) {
460 		pm_runtime_forbid(dev);
461 		return -EBUSY;
462 	}
463 
464 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
465 		if (crtc->enabled) {
466 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
467 			return -EBUSY;
468 		}
469 	}
470 
471 	pm_runtime_mark_last_busy(dev);
472 	pm_runtime_autosuspend(dev);
473 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
474 	return 1;
475 }
476 
radeon_drm_ioctl(struct file * filp,unsigned int cmd,unsigned long arg)477 long radeon_drm_ioctl(struct file *filp,
478 		      unsigned int cmd, unsigned long arg)
479 {
480 	struct drm_file *file_priv = filp->private_data;
481 	struct drm_device *dev;
482 	long ret;
483 
484 	dev = file_priv->minor->dev;
485 	ret = pm_runtime_get_sync(dev->dev);
486 	if (ret < 0) {
487 		pm_runtime_put_autosuspend(dev->dev);
488 		return ret;
489 	}
490 
491 	ret = drm_ioctl(filp, cmd, arg);
492 
493 	pm_runtime_mark_last_busy(dev->dev);
494 	pm_runtime_put_autosuspend(dev->dev);
495 	return ret;
496 }
497 
498 #ifdef CONFIG_COMPAT
radeon_kms_compat_ioctl(struct file * filp,unsigned int cmd,unsigned long arg)499 static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
500 {
501 	unsigned int nr = DRM_IOCTL_NR(cmd);
502 
503 	if (nr < DRM_COMMAND_BASE)
504 		return drm_compat_ioctl(filp, cmd, arg);
505 
506 	return radeon_drm_ioctl(filp, cmd, arg);
507 }
508 #endif
509 
510 static const struct dev_pm_ops radeon_pm_ops = {
511 	.suspend = radeon_pmops_suspend,
512 	.resume = radeon_pmops_resume,
513 	.freeze = radeon_pmops_freeze,
514 	.thaw = radeon_pmops_thaw,
515 	.poweroff = radeon_pmops_freeze,
516 	.restore = radeon_pmops_resume,
517 	.runtime_suspend = radeon_pmops_runtime_suspend,
518 	.runtime_resume = radeon_pmops_runtime_resume,
519 	.runtime_idle = radeon_pmops_runtime_idle,
520 };
521 
522 static const struct file_operations radeon_driver_kms_fops = {
523 	.owner = THIS_MODULE,
524 	.open = drm_open,
525 	.release = drm_release,
526 	.unlocked_ioctl = radeon_drm_ioctl,
527 	.mmap = drm_gem_mmap,
528 	.poll = drm_poll,
529 	.read = drm_read,
530 #ifdef CONFIG_COMPAT
531 	.compat_ioctl = radeon_kms_compat_ioctl,
532 #endif
533 	.fop_flags = FOP_UNSIGNED_OFFSET,
534 };
535 
536 static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
537 	DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
538 	DRM_IOCTL_DEF_DRV(RADEON_CP_START, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
539 	DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
540 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
541 	DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, drm_invalid_op, DRM_AUTH),
542 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, drm_invalid_op, DRM_AUTH),
543 	DRM_IOCTL_DEF_DRV(RADEON_RESET, drm_invalid_op, DRM_AUTH),
544 	DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, drm_invalid_op, DRM_AUTH),
545 	DRM_IOCTL_DEF_DRV(RADEON_SWAP, drm_invalid_op, DRM_AUTH),
546 	DRM_IOCTL_DEF_DRV(RADEON_CLEAR, drm_invalid_op, DRM_AUTH),
547 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX, drm_invalid_op, DRM_AUTH),
548 	DRM_IOCTL_DEF_DRV(RADEON_INDICES, drm_invalid_op, DRM_AUTH),
549 	DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, drm_invalid_op, DRM_AUTH),
550 	DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, drm_invalid_op, DRM_AUTH),
551 	DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
552 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, drm_invalid_op, DRM_AUTH),
553 	DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, drm_invalid_op, DRM_AUTH),
554 	DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, drm_invalid_op, DRM_AUTH),
555 	DRM_IOCTL_DEF_DRV(RADEON_FLIP, drm_invalid_op, DRM_AUTH),
556 	DRM_IOCTL_DEF_DRV(RADEON_ALLOC, drm_invalid_op, DRM_AUTH),
557 	DRM_IOCTL_DEF_DRV(RADEON_FREE, drm_invalid_op, DRM_AUTH),
558 	DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
559 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, drm_invalid_op, DRM_AUTH),
560 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, drm_invalid_op, DRM_AUTH),
561 	DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, drm_invalid_op, DRM_AUTH),
562 	DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, drm_invalid_op, DRM_AUTH),
563 	DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, drm_invalid_op, DRM_AUTH),
564 	/* KMS */
565 	DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
566 	DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
567 	DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
568 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
569 	DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
570 	DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
571 	DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
572 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
573 	DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
574 	DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
575 	DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
576 	DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
577 	DRM_IOCTL_DEF_DRV(RADEON_GEM_USERPTR, radeon_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
578 };
579 
580 static const struct drm_driver kms_driver = {
581 	.driver_features =
582 	    DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
583 	.open = radeon_driver_open_kms,
584 	.postclose = radeon_driver_postclose_kms,
585 	.unload = radeon_driver_unload_kms,
586 	.ioctls = radeon_ioctls_kms,
587 	.num_ioctls = ARRAY_SIZE(radeon_ioctls_kms),
588 	.dumb_create = radeon_mode_dumb_create,
589 	.dumb_map_offset = radeon_mode_dumb_mmap,
590 	.fops = &radeon_driver_kms_fops,
591 
592 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
593 
594 	.name = DRIVER_NAME,
595 	.desc = DRIVER_DESC,
596 	.date = DRIVER_DATE,
597 	.major = KMS_DRIVER_MAJOR,
598 	.minor = KMS_DRIVER_MINOR,
599 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
600 };
601 
602 static struct pci_driver radeon_kms_pci_driver = {
603 	.name = DRIVER_NAME,
604 	.id_table = pciidlist,
605 	.probe = radeon_pci_probe,
606 	.remove = radeon_pci_remove,
607 	.shutdown = radeon_pci_shutdown,
608 	.driver.pm = &radeon_pm_ops,
609 };
610 
radeon_module_init(void)611 static int __init radeon_module_init(void)
612 {
613 	if (drm_firmware_drivers_only() && radeon_modeset == -1)
614 		radeon_modeset = 0;
615 
616 	if (radeon_modeset == 0)
617 		return -EINVAL;
618 
619 	DRM_INFO("radeon kernel modesetting enabled.\n");
620 	radeon_register_atpx_handler();
621 
622 	return pci_register_driver(&radeon_kms_pci_driver);
623 }
624 
radeon_module_exit(void)625 static void __exit radeon_module_exit(void)
626 {
627 	pci_unregister_driver(&radeon_kms_pci_driver);
628 	radeon_unregister_atpx_handler();
629 	mmu_notifier_synchronize();
630 }
631 
632 module_init(radeon_module_init);
633 module_exit(radeon_module_exit);
634 
635 MODULE_AUTHOR(DRIVER_AUTHOR);
636 MODULE_DESCRIPTION(DRIVER_DESC);
637 MODULE_LICENSE("GPL and additional rights");
638