xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision f79e4d5f92a129a1159c973735007d4ddc8541f3)
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 "amdgpu.h"
30 #include <drm/amdgpu_drm.h>
31 #include "amdgpu_sched.h"
32 #include "amdgpu_uvd.h"
33 #include "amdgpu_vce.h"
34 #include "atom.h"
35 
36 #include <linux/vga_switcheroo.h>
37 #include <linux/slab.h>
38 #include <linux/pm_runtime.h>
39 #include "amdgpu_amdkfd.h"
40 
41 /**
42  * amdgpu_driver_unload_kms - Main unload function for KMS.
43  *
44  * @dev: drm dev pointer
45  *
46  * This is the main unload function for KMS (all asics).
47  * Returns 0 on success.
48  */
49 void amdgpu_driver_unload_kms(struct drm_device *dev)
50 {
51 	struct amdgpu_device *adev = dev->dev_private;
52 
53 	if (adev == NULL)
54 		return;
55 
56 	if (adev->rmmio == NULL)
57 		goto done_free;
58 
59 	if (amdgpu_sriov_vf(adev))
60 		amdgpu_virt_request_full_gpu(adev, false);
61 
62 	if (amdgpu_device_is_px(dev)) {
63 		pm_runtime_get_sync(dev->dev);
64 		pm_runtime_forbid(dev->dev);
65 	}
66 
67 	amdgpu_acpi_fini(adev);
68 
69 	amdgpu_device_fini(adev);
70 
71 done_free:
72 	kfree(adev);
73 	dev->dev_private = NULL;
74 }
75 
76 /**
77  * amdgpu_driver_load_kms - Main load function for KMS.
78  *
79  * @dev: drm dev pointer
80  * @flags: device flags
81  *
82  * This is the main load function for KMS (all asics).
83  * Returns 0 on success, error on failure.
84  */
85 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
86 {
87 	struct amdgpu_device *adev;
88 	int r, acpi_status;
89 
90 #ifdef CONFIG_DRM_AMDGPU_SI
91 	if (!amdgpu_si_support) {
92 		switch (flags & AMD_ASIC_MASK) {
93 		case CHIP_TAHITI:
94 		case CHIP_PITCAIRN:
95 		case CHIP_VERDE:
96 		case CHIP_OLAND:
97 		case CHIP_HAINAN:
98 			dev_info(dev->dev,
99 				 "SI support provided by radeon.\n");
100 			dev_info(dev->dev,
101 				 "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n"
102 				);
103 			return -ENODEV;
104 		}
105 	}
106 #endif
107 #ifdef CONFIG_DRM_AMDGPU_CIK
108 	if (!amdgpu_cik_support) {
109 		switch (flags & AMD_ASIC_MASK) {
110 		case CHIP_KAVERI:
111 		case CHIP_BONAIRE:
112 		case CHIP_HAWAII:
113 		case CHIP_KABINI:
114 		case CHIP_MULLINS:
115 			dev_info(dev->dev,
116 				 "CIK support provided by radeon.\n");
117 			dev_info(dev->dev,
118 				 "Use radeon.cik_support=0 amdgpu.cik_support=1 to override.\n"
119 				);
120 			return -ENODEV;
121 		}
122 	}
123 #endif
124 
125 	adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
126 	if (adev == NULL) {
127 		return -ENOMEM;
128 	}
129 	dev->dev_private = (void *)adev;
130 
131 	if ((amdgpu_runtime_pm != 0) &&
132 	    amdgpu_has_atpx() &&
133 	    (amdgpu_is_atpx_hybrid() ||
134 	     amdgpu_has_atpx_dgpu_power_cntl()) &&
135 	    ((flags & AMD_IS_APU) == 0) &&
136 	    !pci_is_thunderbolt_attached(dev->pdev))
137 		flags |= AMD_IS_PX;
138 
139 	/* amdgpu_device_init should report only fatal error
140 	 * like memory allocation failure or iomapping failure,
141 	 * or memory manager initialization failure, it must
142 	 * properly initialize the GPU MC controller and permit
143 	 * VRAM allocation
144 	 */
145 	r = amdgpu_device_init(adev, dev, dev->pdev, flags);
146 	if (r) {
147 		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
148 		goto out;
149 	}
150 
151 	/* Call ACPI methods: require modeset init
152 	 * but failure is not fatal
153 	 */
154 	if (!r) {
155 		acpi_status = amdgpu_acpi_init(adev);
156 		if (acpi_status)
157 		dev_dbg(&dev->pdev->dev,
158 				"Error during ACPI methods call\n");
159 	}
160 
161 	if (amdgpu_device_is_px(dev)) {
162 		pm_runtime_use_autosuspend(dev->dev);
163 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
164 		pm_runtime_set_active(dev->dev);
165 		pm_runtime_allow(dev->dev);
166 		pm_runtime_mark_last_busy(dev->dev);
167 		pm_runtime_put_autosuspend(dev->dev);
168 	}
169 
170 out:
171 	if (r) {
172 		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
173 		if (adev->rmmio && amdgpu_device_is_px(dev))
174 			pm_runtime_put_noidle(dev->dev);
175 		amdgpu_driver_unload_kms(dev);
176 	}
177 
178 	return r;
179 }
180 
181 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
182 				struct drm_amdgpu_query_fw *query_fw,
183 				struct amdgpu_device *adev)
184 {
185 	switch (query_fw->fw_type) {
186 	case AMDGPU_INFO_FW_VCE:
187 		fw_info->ver = adev->vce.fw_version;
188 		fw_info->feature = adev->vce.fb_version;
189 		break;
190 	case AMDGPU_INFO_FW_UVD:
191 		fw_info->ver = adev->uvd.fw_version;
192 		fw_info->feature = 0;
193 		break;
194 	case AMDGPU_INFO_FW_VCN:
195 		fw_info->ver = adev->vcn.fw_version;
196 		fw_info->feature = 0;
197 		break;
198 	case AMDGPU_INFO_FW_GMC:
199 		fw_info->ver = adev->gmc.fw_version;
200 		fw_info->feature = 0;
201 		break;
202 	case AMDGPU_INFO_FW_GFX_ME:
203 		fw_info->ver = adev->gfx.me_fw_version;
204 		fw_info->feature = adev->gfx.me_feature_version;
205 		break;
206 	case AMDGPU_INFO_FW_GFX_PFP:
207 		fw_info->ver = adev->gfx.pfp_fw_version;
208 		fw_info->feature = adev->gfx.pfp_feature_version;
209 		break;
210 	case AMDGPU_INFO_FW_GFX_CE:
211 		fw_info->ver = adev->gfx.ce_fw_version;
212 		fw_info->feature = adev->gfx.ce_feature_version;
213 		break;
214 	case AMDGPU_INFO_FW_GFX_RLC:
215 		fw_info->ver = adev->gfx.rlc_fw_version;
216 		fw_info->feature = adev->gfx.rlc_feature_version;
217 		break;
218 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
219 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
220 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
221 		break;
222 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
223 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
224 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
225 		break;
226 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
227 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
228 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
229 		break;
230 	case AMDGPU_INFO_FW_GFX_MEC:
231 		if (query_fw->index == 0) {
232 			fw_info->ver = adev->gfx.mec_fw_version;
233 			fw_info->feature = adev->gfx.mec_feature_version;
234 		} else if (query_fw->index == 1) {
235 			fw_info->ver = adev->gfx.mec2_fw_version;
236 			fw_info->feature = adev->gfx.mec2_feature_version;
237 		} else
238 			return -EINVAL;
239 		break;
240 	case AMDGPU_INFO_FW_SMC:
241 		fw_info->ver = adev->pm.fw_version;
242 		fw_info->feature = 0;
243 		break;
244 	case AMDGPU_INFO_FW_SDMA:
245 		if (query_fw->index >= adev->sdma.num_instances)
246 			return -EINVAL;
247 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
248 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
249 		break;
250 	case AMDGPU_INFO_FW_SOS:
251 		fw_info->ver = adev->psp.sos_fw_version;
252 		fw_info->feature = adev->psp.sos_feature_version;
253 		break;
254 	case AMDGPU_INFO_FW_ASD:
255 		fw_info->ver = adev->psp.asd_fw_version;
256 		fw_info->feature = adev->psp.asd_feature_version;
257 		break;
258 	default:
259 		return -EINVAL;
260 	}
261 	return 0;
262 }
263 
264 /*
265  * Userspace get information ioctl
266  */
267 /**
268  * amdgpu_info_ioctl - answer a device specific request.
269  *
270  * @adev: amdgpu device pointer
271  * @data: request object
272  * @filp: drm filp
273  *
274  * This function is used to pass device specific parameters to the userspace
275  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
276  * etc. (all asics).
277  * Returns 0 on success, -EINVAL on failure.
278  */
279 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
280 {
281 	struct amdgpu_device *adev = dev->dev_private;
282 	struct drm_amdgpu_info *info = data;
283 	struct amdgpu_mode_info *minfo = &adev->mode_info;
284 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
285 	uint32_t size = info->return_size;
286 	struct drm_crtc *crtc;
287 	uint32_t ui32 = 0;
288 	uint64_t ui64 = 0;
289 	int i, j, found;
290 	int ui32_size = sizeof(ui32);
291 
292 	if (!info->return_size || !info->return_pointer)
293 		return -EINVAL;
294 
295 	/* Ensure IB tests are run on ring */
296 	flush_delayed_work(&adev->late_init_work);
297 
298 	switch (info->query) {
299 	case AMDGPU_INFO_ACCEL_WORKING:
300 		ui32 = adev->accel_working;
301 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
302 	case AMDGPU_INFO_CRTC_FROM_ID:
303 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
304 			crtc = (struct drm_crtc *)minfo->crtcs[i];
305 			if (crtc && crtc->base.id == info->mode_crtc.id) {
306 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
307 				ui32 = amdgpu_crtc->crtc_id;
308 				found = 1;
309 				break;
310 			}
311 		}
312 		if (!found) {
313 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
314 			return -EINVAL;
315 		}
316 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
317 	case AMDGPU_INFO_HW_IP_INFO: {
318 		struct drm_amdgpu_info_hw_ip ip = {};
319 		enum amd_ip_block_type type;
320 		uint32_t ring_mask = 0;
321 		uint32_t ib_start_alignment = 0;
322 		uint32_t ib_size_alignment = 0;
323 
324 		if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
325 			return -EINVAL;
326 
327 		switch (info->query_hw_ip.type) {
328 		case AMDGPU_HW_IP_GFX:
329 			type = AMD_IP_BLOCK_TYPE_GFX;
330 			for (i = 0; i < adev->gfx.num_gfx_rings; i++)
331 				ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
332 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
333 			ib_size_alignment = 8;
334 			break;
335 		case AMDGPU_HW_IP_COMPUTE:
336 			type = AMD_IP_BLOCK_TYPE_GFX;
337 			for (i = 0; i < adev->gfx.num_compute_rings; i++)
338 				ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
339 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
340 			ib_size_alignment = 8;
341 			break;
342 		case AMDGPU_HW_IP_DMA:
343 			type = AMD_IP_BLOCK_TYPE_SDMA;
344 			for (i = 0; i < adev->sdma.num_instances; i++)
345 				ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
346 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
347 			ib_size_alignment = 1;
348 			break;
349 		case AMDGPU_HW_IP_UVD:
350 			type = AMD_IP_BLOCK_TYPE_UVD;
351 			for (i = 0; i < adev->uvd.num_uvd_inst; i++)
352 				ring_mask |= ((adev->uvd.inst[i].ring.ready ? 1 : 0) << i);
353 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
354 			ib_size_alignment = 16;
355 			break;
356 		case AMDGPU_HW_IP_VCE:
357 			type = AMD_IP_BLOCK_TYPE_VCE;
358 			for (i = 0; i < adev->vce.num_rings; i++)
359 				ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
360 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
361 			ib_size_alignment = 1;
362 			break;
363 		case AMDGPU_HW_IP_UVD_ENC:
364 			type = AMD_IP_BLOCK_TYPE_UVD;
365 			for (i = 0; i < adev->uvd.num_uvd_inst; i++)
366 				for (j = 0; j < adev->uvd.num_enc_rings; j++)
367 					ring_mask |=
368 					((adev->uvd.inst[i].ring_enc[j].ready ? 1 : 0) <<
369 					(j + i * adev->uvd.num_enc_rings));
370 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
371 			ib_size_alignment = 1;
372 			break;
373 		case AMDGPU_HW_IP_VCN_DEC:
374 			type = AMD_IP_BLOCK_TYPE_VCN;
375 			ring_mask = adev->vcn.ring_dec.ready ? 1 : 0;
376 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
377 			ib_size_alignment = 16;
378 			break;
379 		case AMDGPU_HW_IP_VCN_ENC:
380 			type = AMD_IP_BLOCK_TYPE_VCN;
381 			for (i = 0; i < adev->vcn.num_enc_rings; i++)
382 				ring_mask |= ((adev->vcn.ring_enc[i].ready ? 1 : 0) << i);
383 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
384 			ib_size_alignment = 1;
385 			break;
386 		default:
387 			return -EINVAL;
388 		}
389 
390 		for (i = 0; i < adev->num_ip_blocks; i++) {
391 			if (adev->ip_blocks[i].version->type == type &&
392 			    adev->ip_blocks[i].status.valid) {
393 				ip.hw_ip_version_major = adev->ip_blocks[i].version->major;
394 				ip.hw_ip_version_minor = adev->ip_blocks[i].version->minor;
395 				ip.capabilities_flags = 0;
396 				ip.available_rings = ring_mask;
397 				ip.ib_start_alignment = ib_start_alignment;
398 				ip.ib_size_alignment = ib_size_alignment;
399 				break;
400 			}
401 		}
402 		return copy_to_user(out, &ip,
403 				    min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
404 	}
405 	case AMDGPU_INFO_HW_IP_COUNT: {
406 		enum amd_ip_block_type type;
407 		uint32_t count = 0;
408 
409 		switch (info->query_hw_ip.type) {
410 		case AMDGPU_HW_IP_GFX:
411 			type = AMD_IP_BLOCK_TYPE_GFX;
412 			break;
413 		case AMDGPU_HW_IP_COMPUTE:
414 			type = AMD_IP_BLOCK_TYPE_GFX;
415 			break;
416 		case AMDGPU_HW_IP_DMA:
417 			type = AMD_IP_BLOCK_TYPE_SDMA;
418 			break;
419 		case AMDGPU_HW_IP_UVD:
420 			type = AMD_IP_BLOCK_TYPE_UVD;
421 			break;
422 		case AMDGPU_HW_IP_VCE:
423 			type = AMD_IP_BLOCK_TYPE_VCE;
424 			break;
425 		case AMDGPU_HW_IP_UVD_ENC:
426 			type = AMD_IP_BLOCK_TYPE_UVD;
427 			break;
428 		case AMDGPU_HW_IP_VCN_DEC:
429 		case AMDGPU_HW_IP_VCN_ENC:
430 			type = AMD_IP_BLOCK_TYPE_VCN;
431 			break;
432 		default:
433 			return -EINVAL;
434 		}
435 
436 		for (i = 0; i < adev->num_ip_blocks; i++)
437 			if (adev->ip_blocks[i].version->type == type &&
438 			    adev->ip_blocks[i].status.valid &&
439 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
440 				count++;
441 
442 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
443 	}
444 	case AMDGPU_INFO_TIMESTAMP:
445 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
446 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
447 	case AMDGPU_INFO_FW_VERSION: {
448 		struct drm_amdgpu_info_firmware fw_info;
449 		int ret;
450 
451 		/* We only support one instance of each IP block right now. */
452 		if (info->query_fw.ip_instance != 0)
453 			return -EINVAL;
454 
455 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
456 		if (ret)
457 			return ret;
458 
459 		return copy_to_user(out, &fw_info,
460 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
461 	}
462 	case AMDGPU_INFO_NUM_BYTES_MOVED:
463 		ui64 = atomic64_read(&adev->num_bytes_moved);
464 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
465 	case AMDGPU_INFO_NUM_EVICTIONS:
466 		ui64 = atomic64_read(&adev->num_evictions);
467 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
468 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
469 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
470 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
471 	case AMDGPU_INFO_VRAM_USAGE:
472 		ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
473 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
474 	case AMDGPU_INFO_VIS_VRAM_USAGE:
475 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
476 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
477 	case AMDGPU_INFO_GTT_USAGE:
478 		ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
479 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
480 	case AMDGPU_INFO_GDS_CONFIG: {
481 		struct drm_amdgpu_info_gds gds_info;
482 
483 		memset(&gds_info, 0, sizeof(gds_info));
484 		gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
485 		gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
486 		gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
487 		gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
488 		gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
489 		gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
490 		gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
491 		return copy_to_user(out, &gds_info,
492 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
493 	}
494 	case AMDGPU_INFO_VRAM_GTT: {
495 		struct drm_amdgpu_info_vram_gtt vram_gtt;
496 
497 		vram_gtt.vram_size = adev->gmc.real_vram_size;
498 		vram_gtt.vram_size -= adev->vram_pin_size;
499 		vram_gtt.vram_cpu_accessible_size = adev->gmc.visible_vram_size;
500 		vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
501 		vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
502 		vram_gtt.gtt_size *= PAGE_SIZE;
503 		vram_gtt.gtt_size -= adev->gart_pin_size;
504 		return copy_to_user(out, &vram_gtt,
505 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
506 	}
507 	case AMDGPU_INFO_MEMORY: {
508 		struct drm_amdgpu_memory_info mem;
509 
510 		memset(&mem, 0, sizeof(mem));
511 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
512 		mem.vram.usable_heap_size =
513 			adev->gmc.real_vram_size - adev->vram_pin_size;
514 		mem.vram.heap_usage =
515 			amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
516 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
517 
518 		mem.cpu_accessible_vram.total_heap_size =
519 			adev->gmc.visible_vram_size;
520 		mem.cpu_accessible_vram.usable_heap_size =
521 			adev->gmc.visible_vram_size -
522 			(adev->vram_pin_size - adev->invisible_pin_size);
523 		mem.cpu_accessible_vram.heap_usage =
524 			amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
525 		mem.cpu_accessible_vram.max_allocation =
526 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
527 
528 		mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
529 		mem.gtt.total_heap_size *= PAGE_SIZE;
530 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size
531 			- adev->gart_pin_size;
532 		mem.gtt.heap_usage =
533 			amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
534 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
535 
536 		return copy_to_user(out, &mem,
537 				    min((size_t)size, sizeof(mem)))
538 				    ? -EFAULT : 0;
539 	}
540 	case AMDGPU_INFO_READ_MMR_REG: {
541 		unsigned n, alloc_size;
542 		uint32_t *regs;
543 		unsigned se_num = (info->read_mmr_reg.instance >>
544 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
545 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
546 		unsigned sh_num = (info->read_mmr_reg.instance >>
547 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
548 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
549 
550 		/* set full masks if the userspace set all bits
551 		 * in the bitfields */
552 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
553 			se_num = 0xffffffff;
554 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
555 			sh_num = 0xffffffff;
556 
557 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
558 		if (!regs)
559 			return -ENOMEM;
560 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
561 
562 		for (i = 0; i < info->read_mmr_reg.count; i++)
563 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
564 						      info->read_mmr_reg.dword_offset + i,
565 						      &regs[i])) {
566 				DRM_DEBUG_KMS("unallowed offset %#x\n",
567 					      info->read_mmr_reg.dword_offset + i);
568 				kfree(regs);
569 				return -EFAULT;
570 			}
571 		n = copy_to_user(out, regs, min(size, alloc_size));
572 		kfree(regs);
573 		return n ? -EFAULT : 0;
574 	}
575 	case AMDGPU_INFO_DEV_INFO: {
576 		struct drm_amdgpu_info_device dev_info = {};
577 		uint64_t vm_size;
578 
579 		dev_info.device_id = dev->pdev->device;
580 		dev_info.chip_rev = adev->rev_id;
581 		dev_info.external_rev = adev->external_rev_id;
582 		dev_info.pci_rev = dev->pdev->revision;
583 		dev_info.family = adev->family;
584 		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
585 		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
586 		/* return all clocks in KHz */
587 		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
588 		if (adev->pm.dpm_enabled) {
589 			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
590 			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
591 		} else {
592 			dev_info.max_engine_clock = adev->clock.default_sclk * 10;
593 			dev_info.max_memory_clock = adev->clock.default_mclk * 10;
594 		}
595 		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
596 		dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
597 			adev->gfx.config.max_shader_engines;
598 		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
599 		dev_info._pad = 0;
600 		dev_info.ids_flags = 0;
601 		if (adev->flags & AMD_IS_APU)
602 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
603 		if (amdgpu_sriov_vf(adev))
604 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
605 
606 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
607 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
608 
609 		/* Older VCE FW versions are buggy and can handle only 40bits */
610 		if (adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
611 			vm_size = min(vm_size, 1ULL << 40);
612 
613 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
614 		dev_info.virtual_address_max =
615 			min(vm_size, AMDGPU_VA_HOLE_START);
616 
617 		if (vm_size > AMDGPU_VA_HOLE_START) {
618 			dev_info.high_va_offset = AMDGPU_VA_HOLE_END;
619 			dev_info.high_va_max = AMDGPU_VA_HOLE_END | vm_size;
620 		}
621 		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
622 		dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
623 		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
624 		dev_info.cu_active_number = adev->gfx.cu_info.number;
625 		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
626 		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
627 		memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
628 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
629 		memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
630 		       sizeof(adev->gfx.cu_info.bitmap));
631 		dev_info.vram_type = adev->gmc.vram_type;
632 		dev_info.vram_bit_width = adev->gmc.vram_width;
633 		dev_info.vce_harvest_config = adev->vce.harvest_config;
634 		dev_info.gc_double_offchip_lds_buf =
635 			adev->gfx.config.double_offchip_lds_buf;
636 
637 		if (amdgpu_ngg) {
638 			dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr;
639 			dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size;
640 			dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr;
641 			dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size;
642 			dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr;
643 			dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size;
644 			dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr;
645 			dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size;
646 		}
647 		dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
648 		dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
649 		dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
650 		dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
651 		dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
652 		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
653 		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
654 
655 		return copy_to_user(out, &dev_info,
656 				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
657 	}
658 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
659 		unsigned i;
660 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
661 		struct amd_vce_state *vce_state;
662 
663 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
664 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
665 			if (vce_state) {
666 				vce_clk_table.entries[i].sclk = vce_state->sclk;
667 				vce_clk_table.entries[i].mclk = vce_state->mclk;
668 				vce_clk_table.entries[i].eclk = vce_state->evclk;
669 				vce_clk_table.num_valid_entries++;
670 			}
671 		}
672 
673 		return copy_to_user(out, &vce_clk_table,
674 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
675 	}
676 	case AMDGPU_INFO_VBIOS: {
677 		uint32_t bios_size = adev->bios_size;
678 
679 		switch (info->vbios_info.type) {
680 		case AMDGPU_INFO_VBIOS_SIZE:
681 			return copy_to_user(out, &bios_size,
682 					min((size_t)size, sizeof(bios_size)))
683 					? -EFAULT : 0;
684 		case AMDGPU_INFO_VBIOS_IMAGE: {
685 			uint8_t *bios;
686 			uint32_t bios_offset = info->vbios_info.offset;
687 
688 			if (bios_offset >= bios_size)
689 				return -EINVAL;
690 
691 			bios = adev->bios + bios_offset;
692 			return copy_to_user(out, bios,
693 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
694 					? -EFAULT : 0;
695 		}
696 		default:
697 			DRM_DEBUG_KMS("Invalid request %d\n",
698 					info->vbios_info.type);
699 			return -EINVAL;
700 		}
701 	}
702 	case AMDGPU_INFO_NUM_HANDLES: {
703 		struct drm_amdgpu_info_num_handles handle;
704 
705 		switch (info->query_hw_ip.type) {
706 		case AMDGPU_HW_IP_UVD:
707 			/* Starting Polaris, we support unlimited UVD handles */
708 			if (adev->asic_type < CHIP_POLARIS10) {
709 				handle.uvd_max_handles = adev->uvd.max_handles;
710 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
711 
712 				return copy_to_user(out, &handle,
713 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
714 			} else {
715 				return -ENODATA;
716 			}
717 
718 			break;
719 		default:
720 			return -EINVAL;
721 		}
722 	}
723 	case AMDGPU_INFO_SENSOR: {
724 		if (!adev->pm.dpm_enabled)
725 			return -ENOENT;
726 
727 		switch (info->sensor_info.type) {
728 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
729 			/* get sclk in Mhz */
730 			if (amdgpu_dpm_read_sensor(adev,
731 						   AMDGPU_PP_SENSOR_GFX_SCLK,
732 						   (void *)&ui32, &ui32_size)) {
733 				return -EINVAL;
734 			}
735 			ui32 /= 100;
736 			break;
737 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
738 			/* get mclk in Mhz */
739 			if (amdgpu_dpm_read_sensor(adev,
740 						   AMDGPU_PP_SENSOR_GFX_MCLK,
741 						   (void *)&ui32, &ui32_size)) {
742 				return -EINVAL;
743 			}
744 			ui32 /= 100;
745 			break;
746 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
747 			/* get temperature in millidegrees C */
748 			if (amdgpu_dpm_read_sensor(adev,
749 						   AMDGPU_PP_SENSOR_GPU_TEMP,
750 						   (void *)&ui32, &ui32_size)) {
751 				return -EINVAL;
752 			}
753 			break;
754 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
755 			/* get GPU load */
756 			if (amdgpu_dpm_read_sensor(adev,
757 						   AMDGPU_PP_SENSOR_GPU_LOAD,
758 						   (void *)&ui32, &ui32_size)) {
759 				return -EINVAL;
760 			}
761 			break;
762 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
763 			/* get average GPU power */
764 			if (amdgpu_dpm_read_sensor(adev,
765 						   AMDGPU_PP_SENSOR_GPU_POWER,
766 						   (void *)&ui32, &ui32_size)) {
767 				return -EINVAL;
768 			}
769 			ui32 >>= 8;
770 			break;
771 		case AMDGPU_INFO_SENSOR_VDDNB:
772 			/* get VDDNB in millivolts */
773 			if (amdgpu_dpm_read_sensor(adev,
774 						   AMDGPU_PP_SENSOR_VDDNB,
775 						   (void *)&ui32, &ui32_size)) {
776 				return -EINVAL;
777 			}
778 			break;
779 		case AMDGPU_INFO_SENSOR_VDDGFX:
780 			/* get VDDGFX in millivolts */
781 			if (amdgpu_dpm_read_sensor(adev,
782 						   AMDGPU_PP_SENSOR_VDDGFX,
783 						   (void *)&ui32, &ui32_size)) {
784 				return -EINVAL;
785 			}
786 			break;
787 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
788 			/* get stable pstate sclk in Mhz */
789 			if (amdgpu_dpm_read_sensor(adev,
790 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
791 						   (void *)&ui32, &ui32_size)) {
792 				return -EINVAL;
793 			}
794 			ui32 /= 100;
795 			break;
796 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
797 			/* get stable pstate mclk in Mhz */
798 			if (amdgpu_dpm_read_sensor(adev,
799 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
800 						   (void *)&ui32, &ui32_size)) {
801 				return -EINVAL;
802 			}
803 			ui32 /= 100;
804 			break;
805 		default:
806 			DRM_DEBUG_KMS("Invalid request %d\n",
807 				      info->sensor_info.type);
808 			return -EINVAL;
809 		}
810 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
811 	}
812 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
813 		ui32 = atomic_read(&adev->vram_lost_counter);
814 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
815 	default:
816 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
817 		return -EINVAL;
818 	}
819 	return 0;
820 }
821 
822 
823 /*
824  * Outdated mess for old drm with Xorg being in charge (void function now).
825  */
826 /**
827  * amdgpu_driver_lastclose_kms - drm callback for last close
828  *
829  * @dev: drm dev pointer
830  *
831  * Switch vga_switcheroo state after last close (all asics).
832  */
833 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
834 {
835 	drm_fb_helper_lastclose(dev);
836 	vga_switcheroo_process_delayed_switch();
837 }
838 
839 /**
840  * amdgpu_driver_open_kms - drm callback for open
841  *
842  * @dev: drm dev pointer
843  * @file_priv: drm file
844  *
845  * On device open, init vm on cayman+ (all asics).
846  * Returns 0 on success, error on failure.
847  */
848 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
849 {
850 	struct amdgpu_device *adev = dev->dev_private;
851 	struct amdgpu_fpriv *fpriv;
852 	int r, pasid;
853 
854 	file_priv->driver_priv = NULL;
855 
856 	r = pm_runtime_get_sync(dev->dev);
857 	if (r < 0)
858 		return r;
859 
860 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
861 	if (unlikely(!fpriv)) {
862 		r = -ENOMEM;
863 		goto out_suspend;
864 	}
865 
866 	pasid = amdgpu_pasid_alloc(16);
867 	if (pasid < 0) {
868 		dev_warn(adev->dev, "No more PASIDs available!");
869 		pasid = 0;
870 	}
871 	r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
872 	if (r)
873 		goto error_pasid;
874 
875 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
876 	if (!fpriv->prt_va) {
877 		r = -ENOMEM;
878 		goto error_vm;
879 	}
880 
881 	if (amdgpu_sriov_vf(adev)) {
882 		r = amdgpu_map_static_csa(adev, &fpriv->vm, &fpriv->csa_va);
883 		if (r)
884 			goto error_vm;
885 	}
886 
887 	mutex_init(&fpriv->bo_list_lock);
888 	idr_init(&fpriv->bo_list_handles);
889 
890 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
891 
892 	file_priv->driver_priv = fpriv;
893 	goto out_suspend;
894 
895 error_vm:
896 	amdgpu_vm_fini(adev, &fpriv->vm);
897 
898 error_pasid:
899 	if (pasid)
900 		amdgpu_pasid_free(pasid);
901 
902 	kfree(fpriv);
903 
904 out_suspend:
905 	pm_runtime_mark_last_busy(dev->dev);
906 	pm_runtime_put_autosuspend(dev->dev);
907 
908 	return r;
909 }
910 
911 /**
912  * amdgpu_driver_postclose_kms - drm callback for post close
913  *
914  * @dev: drm dev pointer
915  * @file_priv: drm file
916  *
917  * On device post close, tear down vm on cayman+ (all asics).
918  */
919 void amdgpu_driver_postclose_kms(struct drm_device *dev,
920 				 struct drm_file *file_priv)
921 {
922 	struct amdgpu_device *adev = dev->dev_private;
923 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
924 	struct amdgpu_bo_list *list;
925 	struct amdgpu_bo *pd;
926 	unsigned int pasid;
927 	int handle;
928 
929 	if (!fpriv)
930 		return;
931 
932 	pm_runtime_get_sync(dev->dev);
933 	amdgpu_ctx_mgr_entity_fini(&fpriv->ctx_mgr);
934 
935 	if (adev->asic_type != CHIP_RAVEN) {
936 		amdgpu_uvd_free_handles(adev, file_priv);
937 		amdgpu_vce_free_handles(adev, file_priv);
938 	}
939 
940 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
941 
942 	if (amdgpu_sriov_vf(adev)) {
943 		/* TODO: how to handle reserve failure */
944 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
945 		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
946 		fpriv->csa_va = NULL;
947 		amdgpu_bo_unreserve(adev->virt.csa_obj);
948 	}
949 
950 	pasid = fpriv->vm.pasid;
951 	pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
952 
953 	amdgpu_vm_fini(adev, &fpriv->vm);
954 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
955 
956 	if (pasid)
957 		amdgpu_pasid_free_delayed(pd->tbo.resv, pasid);
958 	amdgpu_bo_unref(&pd);
959 
960 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
961 		amdgpu_bo_list_free(list);
962 
963 	idr_destroy(&fpriv->bo_list_handles);
964 	mutex_destroy(&fpriv->bo_list_lock);
965 
966 	kfree(fpriv);
967 	file_priv->driver_priv = NULL;
968 
969 	pm_runtime_mark_last_busy(dev->dev);
970 	pm_runtime_put_autosuspend(dev->dev);
971 }
972 
973 /*
974  * VBlank related functions.
975  */
976 /**
977  * amdgpu_get_vblank_counter_kms - get frame count
978  *
979  * @dev: drm dev pointer
980  * @pipe: crtc to get the frame count from
981  *
982  * Gets the frame count on the requested crtc (all asics).
983  * Returns frame count on success, -EINVAL on failure.
984  */
985 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
986 {
987 	struct amdgpu_device *adev = dev->dev_private;
988 	int vpos, hpos, stat;
989 	u32 count;
990 
991 	if (pipe >= adev->mode_info.num_crtc) {
992 		DRM_ERROR("Invalid crtc %u\n", pipe);
993 		return -EINVAL;
994 	}
995 
996 	/* The hw increments its frame counter at start of vsync, not at start
997 	 * of vblank, as is required by DRM core vblank counter handling.
998 	 * Cook the hw count here to make it appear to the caller as if it
999 	 * incremented at start of vblank. We measure distance to start of
1000 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1001 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1002 	 * result by 1 to give the proper appearance to caller.
1003 	 */
1004 	if (adev->mode_info.crtcs[pipe]) {
1005 		/* Repeat readout if needed to provide stable result if
1006 		 * we cross start of vsync during the queries.
1007 		 */
1008 		do {
1009 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1010 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1011 			 * vpos as distance to start of vblank, instead of
1012 			 * regular vertical scanout pos.
1013 			 */
1014 			stat = amdgpu_display_get_crtc_scanoutpos(
1015 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1016 				&vpos, &hpos, NULL, NULL,
1017 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1018 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1019 
1020 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1021 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1022 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1023 		} else {
1024 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1025 				      pipe, vpos);
1026 
1027 			/* Bump counter if we are at >= leading edge of vblank,
1028 			 * but before vsync where vpos would turn negative and
1029 			 * the hw counter really increments.
1030 			 */
1031 			if (vpos >= 0)
1032 				count++;
1033 		}
1034 	} else {
1035 		/* Fallback to use value as is. */
1036 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1037 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1038 	}
1039 
1040 	return count;
1041 }
1042 
1043 /**
1044  * amdgpu_enable_vblank_kms - enable vblank interrupt
1045  *
1046  * @dev: drm dev pointer
1047  * @pipe: crtc to enable vblank interrupt for
1048  *
1049  * Enable the interrupt on the requested crtc (all asics).
1050  * Returns 0 on success, -EINVAL on failure.
1051  */
1052 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1053 {
1054 	struct amdgpu_device *adev = dev->dev_private;
1055 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1056 
1057 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1058 }
1059 
1060 /**
1061  * amdgpu_disable_vblank_kms - disable vblank interrupt
1062  *
1063  * @dev: drm dev pointer
1064  * @pipe: crtc to disable vblank interrupt for
1065  *
1066  * Disable the interrupt on the requested crtc (all asics).
1067  */
1068 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1069 {
1070 	struct amdgpu_device *adev = dev->dev_private;
1071 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1072 
1073 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1074 }
1075 
1076 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1077 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1078 	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1079 	DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1080 	DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1081 	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1082 	DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1083 	/* KMS */
1084 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1085 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1086 	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1087 	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1088 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1089 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1090 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1091 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1092 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1093 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1094 };
1095 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1096 
1097 /*
1098  * Debugfs info
1099  */
1100 #if defined(CONFIG_DEBUG_FS)
1101 
1102 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1103 {
1104 	struct drm_info_node *node = (struct drm_info_node *) m->private;
1105 	struct drm_device *dev = node->minor->dev;
1106 	struct amdgpu_device *adev = dev->dev_private;
1107 	struct drm_amdgpu_info_firmware fw_info;
1108 	struct drm_amdgpu_query_fw query_fw;
1109 	struct atom_context *ctx = adev->mode_info.atom_context;
1110 	int ret, i;
1111 
1112 	/* VCE */
1113 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1114 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1115 	if (ret)
1116 		return ret;
1117 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1118 		   fw_info.feature, fw_info.ver);
1119 
1120 	/* UVD */
1121 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1122 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1123 	if (ret)
1124 		return ret;
1125 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1126 		   fw_info.feature, fw_info.ver);
1127 
1128 	/* GMC */
1129 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1130 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1131 	if (ret)
1132 		return ret;
1133 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1134 		   fw_info.feature, fw_info.ver);
1135 
1136 	/* ME */
1137 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1138 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1139 	if (ret)
1140 		return ret;
1141 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1142 		   fw_info.feature, fw_info.ver);
1143 
1144 	/* PFP */
1145 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1146 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1147 	if (ret)
1148 		return ret;
1149 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1150 		   fw_info.feature, fw_info.ver);
1151 
1152 	/* CE */
1153 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1154 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1155 	if (ret)
1156 		return ret;
1157 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1158 		   fw_info.feature, fw_info.ver);
1159 
1160 	/* RLC */
1161 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1162 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1163 	if (ret)
1164 		return ret;
1165 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1166 		   fw_info.feature, fw_info.ver);
1167 
1168 	/* RLC SAVE RESTORE LIST CNTL */
1169 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1170 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1171 	if (ret)
1172 		return ret;
1173 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1174 		   fw_info.feature, fw_info.ver);
1175 
1176 	/* RLC SAVE RESTORE LIST GPM MEM */
1177 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1178 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1179 	if (ret)
1180 		return ret;
1181 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1182 		   fw_info.feature, fw_info.ver);
1183 
1184 	/* RLC SAVE RESTORE LIST SRM MEM */
1185 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1186 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1187 	if (ret)
1188 		return ret;
1189 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1190 		   fw_info.feature, fw_info.ver);
1191 
1192 	/* MEC */
1193 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1194 	query_fw.index = 0;
1195 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1196 	if (ret)
1197 		return ret;
1198 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1199 		   fw_info.feature, fw_info.ver);
1200 
1201 	/* MEC2 */
1202 	if (adev->asic_type == CHIP_KAVERI ||
1203 	    (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1204 		query_fw.index = 1;
1205 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1206 		if (ret)
1207 			return ret;
1208 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1209 			   fw_info.feature, fw_info.ver);
1210 	}
1211 
1212 	/* PSP SOS */
1213 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1214 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1215 	if (ret)
1216 		return ret;
1217 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1218 		   fw_info.feature, fw_info.ver);
1219 
1220 
1221 	/* PSP ASD */
1222 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1223 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1224 	if (ret)
1225 		return ret;
1226 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1227 		   fw_info.feature, fw_info.ver);
1228 
1229 	/* SMC */
1230 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1231 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1232 	if (ret)
1233 		return ret;
1234 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1235 		   fw_info.feature, fw_info.ver);
1236 
1237 	/* SDMA */
1238 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1239 	for (i = 0; i < adev->sdma.num_instances; i++) {
1240 		query_fw.index = i;
1241 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1242 		if (ret)
1243 			return ret;
1244 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1245 			   i, fw_info.feature, fw_info.ver);
1246 	}
1247 
1248 	/* VCN */
1249 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1250 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1251 	if (ret)
1252 		return ret;
1253 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1254 		   fw_info.feature, fw_info.ver);
1255 
1256 
1257 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1258 
1259 	return 0;
1260 }
1261 
1262 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1263 	{"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1264 };
1265 #endif
1266 
1267 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1268 {
1269 #if defined(CONFIG_DEBUG_FS)
1270 	return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1271 					ARRAY_SIZE(amdgpu_firmware_info_list));
1272 #else
1273 	return 0;
1274 #endif
1275 }
1276