xref: /openbmc/linux/drivers/gpu/drm/radeon/radeon_kms.c (revision 840ef8b7cc584a23c4f9d05352f4dbaf8e56e5ab)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include <drm/drmP.h>
29 #include "radeon.h"
30 #include <drm/radeon_drm.h>
31 #include "radeon_asic.h"
32 
33 #include <linux/vga_switcheroo.h>
34 #include <linux/slab.h>
35 
36 /**
37  * radeon_driver_unload_kms - Main unload function for KMS.
38  *
39  * @dev: drm dev pointer
40  *
41  * This is the main unload function for KMS (all asics).
42  * It calls radeon_modeset_fini() to tear down the
43  * displays, and radeon_device_fini() to tear down
44  * the rest of the device (CP, writeback, etc.).
45  * Returns 0 on success.
46  */
47 int radeon_driver_unload_kms(struct drm_device *dev)
48 {
49 	struct radeon_device *rdev = dev->dev_private;
50 
51 	if (rdev == NULL)
52 		return 0;
53 	radeon_acpi_fini(rdev);
54 	radeon_modeset_fini(rdev);
55 	radeon_device_fini(rdev);
56 	kfree(rdev);
57 	dev->dev_private = NULL;
58 	return 0;
59 }
60 
61 /**
62  * radeon_driver_load_kms - Main load function for KMS.
63  *
64  * @dev: drm dev pointer
65  * @flags: device flags
66  *
67  * This is the main load function for KMS (all asics).
68  * It calls radeon_device_init() to set up the non-display
69  * parts of the chip (asic init, CP, writeback, etc.), and
70  * radeon_modeset_init() to set up the display parts
71  * (crtcs, encoders, hotplug detect, etc.).
72  * Returns 0 on success, error on failure.
73  */
74 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
75 {
76 	struct radeon_device *rdev;
77 	int r, acpi_status;
78 
79 	rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
80 	if (rdev == NULL) {
81 		return -ENOMEM;
82 	}
83 	dev->dev_private = (void *)rdev;
84 
85 	/* update BUS flag */
86 	if (drm_pci_device_is_agp(dev)) {
87 		flags |= RADEON_IS_AGP;
88 	} else if (pci_is_pcie(dev->pdev)) {
89 		flags |= RADEON_IS_PCIE;
90 	} else {
91 		flags |= RADEON_IS_PCI;
92 	}
93 
94 	/* radeon_device_init should report only fatal error
95 	 * like memory allocation failure or iomapping failure,
96 	 * or memory manager initialization failure, it must
97 	 * properly initialize the GPU MC controller and permit
98 	 * VRAM allocation
99 	 */
100 	r = radeon_device_init(rdev, dev, dev->pdev, flags);
101 	if (r) {
102 		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
103 		goto out;
104 	}
105 
106 	/* Again modeset_init should fail only on fatal error
107 	 * otherwise it should provide enough functionalities
108 	 * for shadowfb to run
109 	 */
110 	r = radeon_modeset_init(rdev);
111 	if (r)
112 		dev_err(&dev->pdev->dev, "Fatal error during modeset init\n");
113 
114 	/* Call ACPI methods: require modeset init
115 	 * but failure is not fatal
116 	 */
117 	if (!r) {
118 		acpi_status = radeon_acpi_init(rdev);
119 		if (acpi_status)
120 		dev_dbg(&dev->pdev->dev,
121 				"Error during ACPI methods call\n");
122 	}
123 
124 out:
125 	if (r)
126 		radeon_driver_unload_kms(dev);
127 	return r;
128 }
129 
130 /**
131  * radeon_set_filp_rights - Set filp right.
132  *
133  * @dev: drm dev pointer
134  * @owner: drm file
135  * @applier: drm file
136  * @value: value
137  *
138  * Sets the filp rights for the device (all asics).
139  */
140 static void radeon_set_filp_rights(struct drm_device *dev,
141 				   struct drm_file **owner,
142 				   struct drm_file *applier,
143 				   uint32_t *value)
144 {
145 	mutex_lock(&dev->struct_mutex);
146 	if (*value == 1) {
147 		/* wants rights */
148 		if (!*owner)
149 			*owner = applier;
150 	} else if (*value == 0) {
151 		/* revokes rights */
152 		if (*owner == applier)
153 			*owner = NULL;
154 	}
155 	*value = *owner == applier ? 1 : 0;
156 	mutex_unlock(&dev->struct_mutex);
157 }
158 
159 /*
160  * Userspace get information ioctl
161  */
162 /**
163  * radeon_info_ioctl - answer a device specific request.
164  *
165  * @rdev: radeon device pointer
166  * @data: request object
167  * @filp: drm filp
168  *
169  * This function is used to pass device specific parameters to the userspace
170  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
171  * etc. (all asics).
172  * Returns 0 on success, -EINVAL on failure.
173  */
174 int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
175 {
176 	struct radeon_device *rdev = dev->dev_private;
177 	struct drm_radeon_info *info = data;
178 	struct radeon_mode_info *minfo = &rdev->mode_info;
179 	uint32_t value, *value_ptr;
180 	uint64_t value64, *value_ptr64;
181 	struct drm_crtc *crtc;
182 	int i, found;
183 
184 	/* TIMESTAMP is a 64-bit value, needs special handling. */
185 	if (info->request == RADEON_INFO_TIMESTAMP) {
186 		if (rdev->family >= CHIP_R600) {
187 			value_ptr64 = (uint64_t*)((unsigned long)info->value);
188 			value64 = radeon_get_gpu_clock_counter(rdev);
189 
190 			if (DRM_COPY_TO_USER(value_ptr64, &value64, sizeof(value64))) {
191 				DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__);
192 				return -EFAULT;
193 			}
194 			return 0;
195 		} else {
196 			DRM_DEBUG_KMS("timestamp is r6xx+ only!\n");
197 			return -EINVAL;
198 		}
199 	}
200 
201 	value_ptr = (uint32_t *)((unsigned long)info->value);
202 	if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) {
203 		DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__);
204 		return -EFAULT;
205 	}
206 
207 	switch (info->request) {
208 	case RADEON_INFO_DEVICE_ID:
209 		value = dev->pci_device;
210 		break;
211 	case RADEON_INFO_NUM_GB_PIPES:
212 		value = rdev->num_gb_pipes;
213 		break;
214 	case RADEON_INFO_NUM_Z_PIPES:
215 		value = rdev->num_z_pipes;
216 		break;
217 	case RADEON_INFO_ACCEL_WORKING:
218 		/* xf86-video-ati 6.13.0 relies on this being false for evergreen */
219 		if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK))
220 			value = false;
221 		else
222 			value = rdev->accel_working;
223 		break;
224 	case RADEON_INFO_CRTC_FROM_ID:
225 		for (i = 0, found = 0; i < rdev->num_crtc; i++) {
226 			crtc = (struct drm_crtc *)minfo->crtcs[i];
227 			if (crtc && crtc->base.id == value) {
228 				struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
229 				value = radeon_crtc->crtc_id;
230 				found = 1;
231 				break;
232 			}
233 		}
234 		if (!found) {
235 			DRM_DEBUG_KMS("unknown crtc id %d\n", value);
236 			return -EINVAL;
237 		}
238 		break;
239 	case RADEON_INFO_ACCEL_WORKING2:
240 		value = rdev->accel_working;
241 		break;
242 	case RADEON_INFO_TILING_CONFIG:
243 		if (rdev->family >= CHIP_TAHITI)
244 			value = rdev->config.si.tile_config;
245 		else if (rdev->family >= CHIP_CAYMAN)
246 			value = rdev->config.cayman.tile_config;
247 		else if (rdev->family >= CHIP_CEDAR)
248 			value = rdev->config.evergreen.tile_config;
249 		else if (rdev->family >= CHIP_RV770)
250 			value = rdev->config.rv770.tile_config;
251 		else if (rdev->family >= CHIP_R600)
252 			value = rdev->config.r600.tile_config;
253 		else {
254 			DRM_DEBUG_KMS("tiling config is r6xx+ only!\n");
255 			return -EINVAL;
256 		}
257 		break;
258 	case RADEON_INFO_WANT_HYPERZ:
259 		/* The "value" here is both an input and output parameter.
260 		 * If the input value is 1, filp requests hyper-z access.
261 		 * If the input value is 0, filp revokes its hyper-z access.
262 		 *
263 		 * When returning, the value is 1 if filp owns hyper-z access,
264 		 * 0 otherwise. */
265 		if (value >= 2) {
266 			DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", value);
267 			return -EINVAL;
268 		}
269 		radeon_set_filp_rights(dev, &rdev->hyperz_filp, filp, &value);
270 		break;
271 	case RADEON_INFO_WANT_CMASK:
272 		/* The same logic as Hyper-Z. */
273 		if (value >= 2) {
274 			DRM_DEBUG_KMS("WANT_CMASK: invalid value %d\n", value);
275 			return -EINVAL;
276 		}
277 		radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value);
278 		break;
279 	case RADEON_INFO_CLOCK_CRYSTAL_FREQ:
280 		/* return clock value in KHz */
281 		if (rdev->asic->get_xclk)
282 			value = radeon_get_xclk(rdev) * 10;
283 		else
284 			value = rdev->clock.spll.reference_freq * 10;
285 		break;
286 	case RADEON_INFO_NUM_BACKENDS:
287 		if (rdev->family >= CHIP_TAHITI)
288 			value = rdev->config.si.max_backends_per_se *
289 				rdev->config.si.max_shader_engines;
290 		else if (rdev->family >= CHIP_CAYMAN)
291 			value = rdev->config.cayman.max_backends_per_se *
292 				rdev->config.cayman.max_shader_engines;
293 		else if (rdev->family >= CHIP_CEDAR)
294 			value = rdev->config.evergreen.max_backends;
295 		else if (rdev->family >= CHIP_RV770)
296 			value = rdev->config.rv770.max_backends;
297 		else if (rdev->family >= CHIP_R600)
298 			value = rdev->config.r600.max_backends;
299 		else {
300 			return -EINVAL;
301 		}
302 		break;
303 	case RADEON_INFO_NUM_TILE_PIPES:
304 		if (rdev->family >= CHIP_TAHITI)
305 			value = rdev->config.si.max_tile_pipes;
306 		else if (rdev->family >= CHIP_CAYMAN)
307 			value = rdev->config.cayman.max_tile_pipes;
308 		else if (rdev->family >= CHIP_CEDAR)
309 			value = rdev->config.evergreen.max_tile_pipes;
310 		else if (rdev->family >= CHIP_RV770)
311 			value = rdev->config.rv770.max_tile_pipes;
312 		else if (rdev->family >= CHIP_R600)
313 			value = rdev->config.r600.max_tile_pipes;
314 		else {
315 			return -EINVAL;
316 		}
317 		break;
318 	case RADEON_INFO_FUSION_GART_WORKING:
319 		value = 1;
320 		break;
321 	case RADEON_INFO_BACKEND_MAP:
322 		if (rdev->family >= CHIP_TAHITI)
323 			value = rdev->config.si.backend_map;
324 		else if (rdev->family >= CHIP_CAYMAN)
325 			value = rdev->config.cayman.backend_map;
326 		else if (rdev->family >= CHIP_CEDAR)
327 			value = rdev->config.evergreen.backend_map;
328 		else if (rdev->family >= CHIP_RV770)
329 			value = rdev->config.rv770.backend_map;
330 		else if (rdev->family >= CHIP_R600)
331 			value = rdev->config.r600.backend_map;
332 		else {
333 			return -EINVAL;
334 		}
335 		break;
336 	case RADEON_INFO_VA_START:
337 		/* this is where we report if vm is supported or not */
338 		if (rdev->family < CHIP_CAYMAN)
339 			return -EINVAL;
340 		value = RADEON_VA_RESERVED_SIZE;
341 		break;
342 	case RADEON_INFO_IB_VM_MAX_SIZE:
343 		/* this is where we report if vm is supported or not */
344 		if (rdev->family < CHIP_CAYMAN)
345 			return -EINVAL;
346 		value = RADEON_IB_VM_MAX_SIZE;
347 		break;
348 	case RADEON_INFO_MAX_PIPES:
349 		if (rdev->family >= CHIP_TAHITI)
350 			value = rdev->config.si.max_cu_per_sh;
351 		else if (rdev->family >= CHIP_CAYMAN)
352 			value = rdev->config.cayman.max_pipes_per_simd;
353 		else if (rdev->family >= CHIP_CEDAR)
354 			value = rdev->config.evergreen.max_pipes;
355 		else if (rdev->family >= CHIP_RV770)
356 			value = rdev->config.rv770.max_pipes;
357 		else if (rdev->family >= CHIP_R600)
358 			value = rdev->config.r600.max_pipes;
359 		else {
360 			return -EINVAL;
361 		}
362 		break;
363 	case RADEON_INFO_MAX_SE:
364 		if (rdev->family >= CHIP_TAHITI)
365 			value = rdev->config.si.max_shader_engines;
366 		else if (rdev->family >= CHIP_CAYMAN)
367 			value = rdev->config.cayman.max_shader_engines;
368 		else if (rdev->family >= CHIP_CEDAR)
369 			value = rdev->config.evergreen.num_ses;
370 		else
371 			value = 1;
372 		break;
373 	case RADEON_INFO_MAX_SH_PER_SE:
374 		if (rdev->family >= CHIP_TAHITI)
375 			value = rdev->config.si.max_sh_per_se;
376 		else
377 			return -EINVAL;
378 		break;
379 	default:
380 		DRM_DEBUG_KMS("Invalid request %d\n", info->request);
381 		return -EINVAL;
382 	}
383 	if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) {
384 		DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__);
385 		return -EFAULT;
386 	}
387 	return 0;
388 }
389 
390 
391 /*
392  * Outdated mess for old drm with Xorg being in charge (void function now).
393  */
394 /**
395  * radeon_driver_firstopen_kms - drm callback for first open
396  *
397  * @dev: drm dev pointer
398  *
399  * Nothing to be done for KMS (all asics).
400  * Returns 0 on success.
401  */
402 int radeon_driver_firstopen_kms(struct drm_device *dev)
403 {
404 	return 0;
405 }
406 
407 /**
408  * radeon_driver_firstopen_kms - drm callback for last close
409  *
410  * @dev: drm dev pointer
411  *
412  * Switch vga switcheroo state after last close (all asics).
413  */
414 void radeon_driver_lastclose_kms(struct drm_device *dev)
415 {
416 	vga_switcheroo_process_delayed_switch();
417 }
418 
419 /**
420  * radeon_driver_open_kms - drm callback for open
421  *
422  * @dev: drm dev pointer
423  * @file_priv: drm file
424  *
425  * On device open, init vm on cayman+ (all asics).
426  * Returns 0 on success, error on failure.
427  */
428 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
429 {
430 	struct radeon_device *rdev = dev->dev_private;
431 
432 	file_priv->driver_priv = NULL;
433 
434 	/* new gpu have virtual address space support */
435 	if (rdev->family >= CHIP_CAYMAN) {
436 		struct radeon_fpriv *fpriv;
437 		struct radeon_bo_va *bo_va;
438 		int r;
439 
440 		fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
441 		if (unlikely(!fpriv)) {
442 			return -ENOMEM;
443 		}
444 
445 		radeon_vm_init(rdev, &fpriv->vm);
446 
447 		/* map the ib pool buffer read only into
448 		 * virtual address space */
449 		bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
450 					 rdev->ring_tmp_bo.bo);
451 		r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
452 					  RADEON_VM_PAGE_READABLE |
453 					  RADEON_VM_PAGE_SNOOPED);
454 		if (r) {
455 			radeon_vm_fini(rdev, &fpriv->vm);
456 			kfree(fpriv);
457 			return r;
458 		}
459 
460 		file_priv->driver_priv = fpriv;
461 	}
462 	return 0;
463 }
464 
465 /**
466  * radeon_driver_postclose_kms - drm callback for post close
467  *
468  * @dev: drm dev pointer
469  * @file_priv: drm file
470  *
471  * On device post close, tear down vm on cayman+ (all asics).
472  */
473 void radeon_driver_postclose_kms(struct drm_device *dev,
474 				 struct drm_file *file_priv)
475 {
476 	struct radeon_device *rdev = dev->dev_private;
477 
478 	/* new gpu have virtual address space support */
479 	if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
480 		struct radeon_fpriv *fpriv = file_priv->driver_priv;
481 		struct radeon_bo_va *bo_va;
482 		int r;
483 
484 		r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
485 		if (!r) {
486 			bo_va = radeon_vm_bo_find(&fpriv->vm,
487 						  rdev->ring_tmp_bo.bo);
488 			if (bo_va)
489 				radeon_vm_bo_rmv(rdev, bo_va);
490 			radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
491 		}
492 
493 		radeon_vm_fini(rdev, &fpriv->vm);
494 		kfree(fpriv);
495 		file_priv->driver_priv = NULL;
496 	}
497 }
498 
499 /**
500  * radeon_driver_preclose_kms - drm callback for pre close
501  *
502  * @dev: drm dev pointer
503  * @file_priv: drm file
504  *
505  * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx
506  * (all asics).
507  */
508 void radeon_driver_preclose_kms(struct drm_device *dev,
509 				struct drm_file *file_priv)
510 {
511 	struct radeon_device *rdev = dev->dev_private;
512 	if (rdev->hyperz_filp == file_priv)
513 		rdev->hyperz_filp = NULL;
514 	if (rdev->cmask_filp == file_priv)
515 		rdev->cmask_filp = NULL;
516 }
517 
518 /*
519  * VBlank related functions.
520  */
521 /**
522  * radeon_get_vblank_counter_kms - get frame count
523  *
524  * @dev: drm dev pointer
525  * @crtc: crtc to get the frame count from
526  *
527  * Gets the frame count on the requested crtc (all asics).
528  * Returns frame count on success, -EINVAL on failure.
529  */
530 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc)
531 {
532 	struct radeon_device *rdev = dev->dev_private;
533 
534 	if (crtc < 0 || crtc >= rdev->num_crtc) {
535 		DRM_ERROR("Invalid crtc %d\n", crtc);
536 		return -EINVAL;
537 	}
538 
539 	return radeon_get_vblank_counter(rdev, crtc);
540 }
541 
542 /**
543  * radeon_enable_vblank_kms - enable vblank interrupt
544  *
545  * @dev: drm dev pointer
546  * @crtc: crtc to enable vblank interrupt for
547  *
548  * Enable the interrupt on the requested crtc (all asics).
549  * Returns 0 on success, -EINVAL on failure.
550  */
551 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc)
552 {
553 	struct radeon_device *rdev = dev->dev_private;
554 	unsigned long irqflags;
555 	int r;
556 
557 	if (crtc < 0 || crtc >= rdev->num_crtc) {
558 		DRM_ERROR("Invalid crtc %d\n", crtc);
559 		return -EINVAL;
560 	}
561 
562 	spin_lock_irqsave(&rdev->irq.lock, irqflags);
563 	rdev->irq.crtc_vblank_int[crtc] = true;
564 	r = radeon_irq_set(rdev);
565 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
566 	return r;
567 }
568 
569 /**
570  * radeon_disable_vblank_kms - disable vblank interrupt
571  *
572  * @dev: drm dev pointer
573  * @crtc: crtc to disable vblank interrupt for
574  *
575  * Disable the interrupt on the requested crtc (all asics).
576  */
577 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc)
578 {
579 	struct radeon_device *rdev = dev->dev_private;
580 	unsigned long irqflags;
581 
582 	if (crtc < 0 || crtc >= rdev->num_crtc) {
583 		DRM_ERROR("Invalid crtc %d\n", crtc);
584 		return;
585 	}
586 
587 	spin_lock_irqsave(&rdev->irq.lock, irqflags);
588 	rdev->irq.crtc_vblank_int[crtc] = false;
589 	radeon_irq_set(rdev);
590 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
591 }
592 
593 /**
594  * radeon_get_vblank_timestamp_kms - get vblank timestamp
595  *
596  * @dev: drm dev pointer
597  * @crtc: crtc to get the timestamp for
598  * @max_error: max error
599  * @vblank_time: time value
600  * @flags: flags passed to the driver
601  *
602  * Gets the timestamp on the requested crtc based on the
603  * scanout position.  (all asics).
604  * Returns postive status flags on success, negative error on failure.
605  */
606 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
607 				    int *max_error,
608 				    struct timeval *vblank_time,
609 				    unsigned flags)
610 {
611 	struct drm_crtc *drmcrtc;
612 	struct radeon_device *rdev = dev->dev_private;
613 
614 	if (crtc < 0 || crtc >= dev->num_crtcs) {
615 		DRM_ERROR("Invalid crtc %d\n", crtc);
616 		return -EINVAL;
617 	}
618 
619 	/* Get associated drm_crtc: */
620 	drmcrtc = &rdev->mode_info.crtcs[crtc]->base;
621 
622 	/* Helper routine in DRM core does all the work: */
623 	return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
624 						     vblank_time, flags,
625 						     drmcrtc);
626 }
627 
628 /*
629  * IOCTL.
630  */
631 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
632 			 struct drm_file *file_priv)
633 {
634 	/* Not valid in KMS. */
635 	return -EINVAL;
636 }
637 
638 #define KMS_INVALID_IOCTL(name)						\
639 int name(struct drm_device *dev, void *data, struct drm_file *file_priv)\
640 {									\
641 	DRM_ERROR("invalid ioctl with kms %s\n", __func__);		\
642 	return -EINVAL;							\
643 }
644 
645 /*
646  * All these ioctls are invalid in kms world.
647  */
648 KMS_INVALID_IOCTL(radeon_cp_init_kms)
649 KMS_INVALID_IOCTL(radeon_cp_start_kms)
650 KMS_INVALID_IOCTL(radeon_cp_stop_kms)
651 KMS_INVALID_IOCTL(radeon_cp_reset_kms)
652 KMS_INVALID_IOCTL(radeon_cp_idle_kms)
653 KMS_INVALID_IOCTL(radeon_cp_resume_kms)
654 KMS_INVALID_IOCTL(radeon_engine_reset_kms)
655 KMS_INVALID_IOCTL(radeon_fullscreen_kms)
656 KMS_INVALID_IOCTL(radeon_cp_swap_kms)
657 KMS_INVALID_IOCTL(radeon_cp_clear_kms)
658 KMS_INVALID_IOCTL(radeon_cp_vertex_kms)
659 KMS_INVALID_IOCTL(radeon_cp_indices_kms)
660 KMS_INVALID_IOCTL(radeon_cp_texture_kms)
661 KMS_INVALID_IOCTL(radeon_cp_stipple_kms)
662 KMS_INVALID_IOCTL(radeon_cp_indirect_kms)
663 KMS_INVALID_IOCTL(radeon_cp_vertex2_kms)
664 KMS_INVALID_IOCTL(radeon_cp_cmdbuf_kms)
665 KMS_INVALID_IOCTL(radeon_cp_getparam_kms)
666 KMS_INVALID_IOCTL(radeon_cp_flip_kms)
667 KMS_INVALID_IOCTL(radeon_mem_alloc_kms)
668 KMS_INVALID_IOCTL(radeon_mem_free_kms)
669 KMS_INVALID_IOCTL(radeon_mem_init_heap_kms)
670 KMS_INVALID_IOCTL(radeon_irq_emit_kms)
671 KMS_INVALID_IOCTL(radeon_irq_wait_kms)
672 KMS_INVALID_IOCTL(radeon_cp_setparam_kms)
673 KMS_INVALID_IOCTL(radeon_surface_alloc_kms)
674 KMS_INVALID_IOCTL(radeon_surface_free_kms)
675 
676 
677 struct drm_ioctl_desc radeon_ioctls_kms[] = {
678 	DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
679 	DRM_IOCTL_DEF_DRV(RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
680 	DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
681 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
682 	DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH),
683 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH),
684 	DRM_IOCTL_DEF_DRV(RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH),
685 	DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH),
686 	DRM_IOCTL_DEF_DRV(RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH),
687 	DRM_IOCTL_DEF_DRV(RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH),
688 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH),
689 	DRM_IOCTL_DEF_DRV(RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH),
690 	DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH),
691 	DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH),
692 	DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
693 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH),
694 	DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH),
695 	DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH),
696 	DRM_IOCTL_DEF_DRV(RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH),
697 	DRM_IOCTL_DEF_DRV(RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH),
698 	DRM_IOCTL_DEF_DRV(RADEON_FREE, radeon_mem_free_kms, DRM_AUTH),
699 	DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
700 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH),
701 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH),
702 	DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH),
703 	DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH),
704 	DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH),
705 	/* KMS */
706 	DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
707 	DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED),
708 	DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED),
709 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_UNLOCKED),
710 	DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH|DRM_UNLOCKED),
711 	DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH|DRM_UNLOCKED),
712 	DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED),
713 	DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_UNLOCKED),
714 	DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
715 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
716 	DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
717 	DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED),
718 	DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_UNLOCKED),
719 };
720 int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms);
721