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v4.6
  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_uvd.h"
 32#include "amdgpu_vce.h"
 
 33
 34#include <linux/vga_switcheroo.h>
 35#include <linux/slab.h>
 
 
 36#include <linux/pm_runtime.h>
 37#include "amdgpu_amdkfd.h"
 
 
 
 38
 39#if defined(CONFIG_VGA_SWITCHEROO)
 40bool amdgpu_has_atpx(void);
 41#else
 42static inline bool amdgpu_has_atpx(void) { return false; }
 43#endif
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 44
 45/**
 46 * amdgpu_driver_unload_kms - Main unload function for KMS.
 47 *
 48 * @dev: drm dev pointer
 49 *
 50 * This is the main unload function for KMS (all asics).
 51 * Returns 0 on success.
 52 */
 53int amdgpu_driver_unload_kms(struct drm_device *dev)
 54{
 55	struct amdgpu_device *adev = dev->dev_private;
 56
 57	if (adev == NULL)
 58		return 0;
 
 
 59
 60	if (adev->rmmio == NULL)
 61		goto done_free;
 62
 63	pm_runtime_get_sync(dev->dev);
 
 
 
 64
 65	amdgpu_amdkfd_device_fini(adev);
 
 66
 67	amdgpu_acpi_fini(adev);
 
 
 
 
 
 
 68
 69	amdgpu_device_fini(adev);
 70
 71done_free:
 72	kfree(adev);
 73	dev->dev_private = NULL;
 74	return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 75}
 76
 77/**
 78 * amdgpu_driver_load_kms - Main load function for KMS.
 79 *
 80 * @dev: drm dev pointer
 81 * @flags: device flags
 82 *
 83 * This is the main load function for KMS (all asics).
 84 * Returns 0 on success, error on failure.
 85 */
 86int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
 87{
 88	struct amdgpu_device *adev;
 
 89	int r, acpi_status;
 90
 91	adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
 92	if (adev == NULL) {
 93		return -ENOMEM;
 94	}
 95	dev->dev_private = (void *)adev;
 96
 97	if ((amdgpu_runtime_pm != 0) &&
 98	    amdgpu_has_atpx() &&
 99	    ((flags & AMD_IS_APU) == 0))
100		flags |= AMD_IS_PX;
101
 
 
 
102	/* amdgpu_device_init should report only fatal error
103	 * like memory allocation failure or iomapping failure,
104	 * or memory manager initialization failure, it must
105	 * properly initialize the GPU MC controller and permit
106	 * VRAM allocation
107	 */
108	r = amdgpu_device_init(adev, dev, dev->pdev, flags);
109	if (r) {
110		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
111		goto out;
112	}
113
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
114	/* Call ACPI methods: require modeset init
115	 * but failure is not fatal
116	 */
117	if (!r) {
118		acpi_status = amdgpu_acpi_init(adev);
119		if (acpi_status)
120		dev_dbg(&dev->pdev->dev,
121				"Error during ACPI methods call\n");
122	}
123
124	amdgpu_amdkfd_load_interface(adev);
125	amdgpu_amdkfd_device_probe(adev);
126	amdgpu_amdkfd_device_init(adev);
127
128	if (amdgpu_device_is_px(dev)) {
 
 
 
 
 
 
 
 
 
 
 
 
129		pm_runtime_use_autosuspend(dev->dev);
130		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
131		pm_runtime_set_active(dev->dev);
132		pm_runtime_allow(dev->dev);
 
133		pm_runtime_mark_last_busy(dev->dev);
134		pm_runtime_put_autosuspend(dev->dev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
135	}
136
 
 
 
137out:
138	if (r)
 
 
 
139		amdgpu_driver_unload_kms(dev);
140
141
142	return r;
143}
144
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
145/*
146 * Userspace get information ioctl
147 */
148/**
149 * amdgpu_info_ioctl - answer a device specific request.
150 *
151 * @adev: amdgpu device pointer
152 * @data: request object
153 * @filp: drm filp
154 *
155 * This function is used to pass device specific parameters to the userspace
156 * drivers.  Examples include: pci device id, pipeline parms, tiling params,
157 * etc. (all asics).
158 * Returns 0 on success, -EINVAL on failure.
159 */
160static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
161{
162	struct amdgpu_device *adev = dev->dev_private;
163	struct drm_amdgpu_info *info = data;
164	struct amdgpu_mode_info *minfo = &adev->mode_info;
165	void __user *out = (void __user *)(long)info->return_pointer;
166	uint32_t size = info->return_size;
167	struct drm_crtc *crtc;
168	uint32_t ui32 = 0;
169	uint64_t ui64 = 0;
170	int i, found;
 
171
172	if (!info->return_size || !info->return_pointer)
173		return -EINVAL;
174
175	switch (info->query) {
176	case AMDGPU_INFO_ACCEL_WORKING:
177		ui32 = adev->accel_working;
178		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
179	case AMDGPU_INFO_CRTC_FROM_ID:
180		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
181			crtc = (struct drm_crtc *)minfo->crtcs[i];
182			if (crtc && crtc->base.id == info->mode_crtc.id) {
183				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
184				ui32 = amdgpu_crtc->crtc_id;
185				found = 1;
186				break;
187			}
188		}
189		if (!found) {
190			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
191			return -EINVAL;
192		}
193		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
194	case AMDGPU_INFO_HW_IP_INFO: {
195		struct drm_amdgpu_info_hw_ip ip = {};
196		enum amd_ip_block_type type;
197		uint32_t ring_mask = 0;
198		uint32_t ib_start_alignment = 0;
199		uint32_t ib_size_alignment = 0;
200
201		if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
202			return -EINVAL;
 
203
204		switch (info->query_hw_ip.type) {
205		case AMDGPU_HW_IP_GFX:
206			type = AMD_IP_BLOCK_TYPE_GFX;
207			for (i = 0; i < adev->gfx.num_gfx_rings; i++)
208				ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
209			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
210			ib_size_alignment = 8;
211			break;
212		case AMDGPU_HW_IP_COMPUTE:
213			type = AMD_IP_BLOCK_TYPE_GFX;
214			for (i = 0; i < adev->gfx.num_compute_rings; i++)
215				ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
216			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
217			ib_size_alignment = 8;
218			break;
219		case AMDGPU_HW_IP_DMA:
220			type = AMD_IP_BLOCK_TYPE_SDMA;
221			for (i = 0; i < adev->sdma.num_instances; i++)
222				ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
223			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
224			ib_size_alignment = 1;
225			break;
226		case AMDGPU_HW_IP_UVD:
227			type = AMD_IP_BLOCK_TYPE_UVD;
228			ring_mask = adev->uvd.ring.ready ? 1 : 0;
229			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
230			ib_size_alignment = 8;
231			break;
232		case AMDGPU_HW_IP_VCE:
233			type = AMD_IP_BLOCK_TYPE_VCE;
234			for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++)
235				ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
236			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
237			ib_size_alignment = 8;
238			break;
239		default:
240			return -EINVAL;
241		}
242
243		for (i = 0; i < adev->num_ip_blocks; i++) {
244			if (adev->ip_blocks[i].type == type &&
245			    adev->ip_block_status[i].valid) {
246				ip.hw_ip_version_major = adev->ip_blocks[i].major;
247				ip.hw_ip_version_minor = adev->ip_blocks[i].minor;
248				ip.capabilities_flags = 0;
249				ip.available_rings = ring_mask;
250				ip.ib_start_alignment = ib_start_alignment;
251				ip.ib_size_alignment = ib_size_alignment;
252				break;
253			}
254		}
255		return copy_to_user(out, &ip,
256				    min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
257	}
258	case AMDGPU_INFO_HW_IP_COUNT: {
259		enum amd_ip_block_type type;
260		uint32_t count = 0;
261
262		switch (info->query_hw_ip.type) {
263		case AMDGPU_HW_IP_GFX:
264			type = AMD_IP_BLOCK_TYPE_GFX;
265			break;
266		case AMDGPU_HW_IP_COMPUTE:
267			type = AMD_IP_BLOCK_TYPE_GFX;
268			break;
269		case AMDGPU_HW_IP_DMA:
270			type = AMD_IP_BLOCK_TYPE_SDMA;
271			break;
272		case AMDGPU_HW_IP_UVD:
273			type = AMD_IP_BLOCK_TYPE_UVD;
274			break;
275		case AMDGPU_HW_IP_VCE:
276			type = AMD_IP_BLOCK_TYPE_VCE;
277			break;
 
 
 
 
 
 
 
 
 
 
 
278		default:
279			return -EINVAL;
280		}
281
282		for (i = 0; i < adev->num_ip_blocks; i++)
283			if (adev->ip_blocks[i].type == type &&
284			    adev->ip_block_status[i].valid &&
285			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
286				count++;
287
288		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
289	}
290	case AMDGPU_INFO_TIMESTAMP:
291		ui64 = amdgpu_asic_get_gpu_clock_counter(adev);
292		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
293	case AMDGPU_INFO_FW_VERSION: {
294		struct drm_amdgpu_info_firmware fw_info;
 
295
296		/* We only support one instance of each IP block right now. */
297		if (info->query_fw.ip_instance != 0)
298			return -EINVAL;
299
300		switch (info->query_fw.fw_type) {
301		case AMDGPU_INFO_FW_VCE:
302			fw_info.ver = adev->vce.fw_version;
303			fw_info.feature = adev->vce.fb_version;
304			break;
305		case AMDGPU_INFO_FW_UVD:
306			fw_info.ver = adev->uvd.fw_version;
307			fw_info.feature = 0;
308			break;
309		case AMDGPU_INFO_FW_GMC:
310			fw_info.ver = adev->mc.fw_version;
311			fw_info.feature = 0;
312			break;
313		case AMDGPU_INFO_FW_GFX_ME:
314			fw_info.ver = adev->gfx.me_fw_version;
315			fw_info.feature = adev->gfx.me_feature_version;
316			break;
317		case AMDGPU_INFO_FW_GFX_PFP:
318			fw_info.ver = adev->gfx.pfp_fw_version;
319			fw_info.feature = adev->gfx.pfp_feature_version;
320			break;
321		case AMDGPU_INFO_FW_GFX_CE:
322			fw_info.ver = adev->gfx.ce_fw_version;
323			fw_info.feature = adev->gfx.ce_feature_version;
324			break;
325		case AMDGPU_INFO_FW_GFX_RLC:
326			fw_info.ver = adev->gfx.rlc_fw_version;
327			fw_info.feature = adev->gfx.rlc_feature_version;
328			break;
329		case AMDGPU_INFO_FW_GFX_MEC:
330			if (info->query_fw.index == 0) {
331				fw_info.ver = adev->gfx.mec_fw_version;
332				fw_info.feature = adev->gfx.mec_feature_version;
333			} else if (info->query_fw.index == 1) {
334				fw_info.ver = adev->gfx.mec2_fw_version;
335				fw_info.feature = adev->gfx.mec2_feature_version;
336			} else
337				return -EINVAL;
338			break;
339		case AMDGPU_INFO_FW_SMC:
340			fw_info.ver = adev->pm.fw_version;
341			fw_info.feature = 0;
342			break;
343		case AMDGPU_INFO_FW_SDMA:
344			if (info->query_fw.index >= adev->sdma.num_instances)
345				return -EINVAL;
346			fw_info.ver = adev->sdma.instance[info->query_fw.index].fw_version;
347			fw_info.feature = adev->sdma.instance[info->query_fw.index].feature_version;
348			break;
349		default:
350			return -EINVAL;
351		}
352		return copy_to_user(out, &fw_info,
353				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
354	}
355	case AMDGPU_INFO_NUM_BYTES_MOVED:
356		ui64 = atomic64_read(&adev->num_bytes_moved);
357		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 
 
 
 
 
 
358	case AMDGPU_INFO_VRAM_USAGE:
359		ui64 = atomic64_read(&adev->vram_usage);
360		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
361	case AMDGPU_INFO_VIS_VRAM_USAGE:
362		ui64 = atomic64_read(&adev->vram_vis_usage);
363		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
364	case AMDGPU_INFO_GTT_USAGE:
365		ui64 = atomic64_read(&adev->gtt_usage);
366		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
367	case AMDGPU_INFO_GDS_CONFIG: {
368		struct drm_amdgpu_info_gds gds_info;
369
370		memset(&gds_info, 0, sizeof(gds_info));
371		gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
372		gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
373		gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
374		gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
375		gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
376		gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
377		gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
378		return copy_to_user(out, &gds_info,
379				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
380	}
381	case AMDGPU_INFO_VRAM_GTT: {
382		struct drm_amdgpu_info_vram_gtt vram_gtt;
383
384		vram_gtt.vram_size = adev->mc.real_vram_size;
385		vram_gtt.vram_size -= adev->vram_pin_size;
386		vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
387		vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
388		vram_gtt.gtt_size  = adev->mc.gtt_size;
389		vram_gtt.gtt_size -= adev->gart_pin_size;
 
 
 
 
390		return copy_to_user(out, &vram_gtt,
391				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
392	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
393	case AMDGPU_INFO_READ_MMR_REG: {
394		unsigned n, alloc_size;
395		uint32_t *regs;
396		unsigned se_num = (info->read_mmr_reg.instance >>
397				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
398				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
399		unsigned sh_num = (info->read_mmr_reg.instance >>
400				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
401				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
402
403		/* set full masks if the userspace set all bits
404		 * in the bitfields */
405		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
406			se_num = 0xffffffff;
 
 
407		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
408			sh_num = 0xffffffff;
 
 
 
 
 
409
410		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
411		if (!regs)
412			return -ENOMEM;
413		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
414
415		for (i = 0; i < info->read_mmr_reg.count; i++)
 
416			if (amdgpu_asic_read_register(adev, se_num, sh_num,
417						      info->read_mmr_reg.dword_offset + i,
418						      &regs[i])) {
419				DRM_DEBUG_KMS("unallowed offset %#x\n",
420					      info->read_mmr_reg.dword_offset + i);
421				kfree(regs);
 
422				return -EFAULT;
423			}
 
 
424		n = copy_to_user(out, regs, min(size, alloc_size));
425		kfree(regs);
426		return n ? -EFAULT : 0;
427	}
428	case AMDGPU_INFO_DEV_INFO: {
429		struct drm_amdgpu_info_device dev_info = {};
430		struct amdgpu_cu_info cu_info;
 
 
 
 
 
431
432		dev_info.device_id = dev->pdev->device;
433		dev_info.chip_rev = adev->rev_id;
434		dev_info.external_rev = adev->external_rev_id;
435		dev_info.pci_rev = dev->pdev->revision;
436		dev_info.family = adev->family;
437		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
438		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
439		/* return all clocks in KHz */
440		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
441		if (adev->pm.dpm_enabled) {
442			dev_info.max_engine_clock =
443				adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10;
444			dev_info.max_memory_clock =
445				adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10;
446		} else {
447			dev_info.max_engine_clock = adev->pm.default_sclk * 10;
448			dev_info.max_memory_clock = adev->pm.default_mclk * 10;
449		}
450		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
451		dev_info.num_rb_pipes = adev->gfx.config.num_rbs;
452		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
453		dev_info._pad = 0;
454		dev_info.ids_flags = 0;
 
455		if (adev->flags & AMD_IS_APU)
456			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
457		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
458		dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
459		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
460		dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
461					     AMDGPU_GPU_PAGE_SIZE;
462		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
463
464		amdgpu_asic_get_cu_info(adev, &cu_info);
465		dev_info.cu_active_number = cu_info.number;
466		dev_info.cu_ao_mask = cu_info.ao_cu_mask;
467		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
468		memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap));
469		dev_info.vram_type = adev->mc.vram_type;
470		dev_info.vram_bit_width = adev->mc.vram_width;
471		dev_info.vce_harvest_config = adev->vce.harvest_config;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
472
473		return copy_to_user(out, &dev_info,
474				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
475	}
476	default:
477		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
478		return -EINVAL;
479	}
480	return 0;
481}
482
483
484/*
485 * Outdated mess for old drm with Xorg being in charge (void function now).
486 */
487/**
488 * amdgpu_driver_lastclose_kms - drm callback for last close
489 *
490 * @dev: drm dev pointer
491 *
492 * Switch vga_switcheroo state after last close (all asics).
493 */
494void amdgpu_driver_lastclose_kms(struct drm_device *dev)
495{
496	struct amdgpu_device *adev = dev->dev_private;
497
498	amdgpu_fbdev_restore_mode(adev);
499	vga_switcheroo_process_delayed_switch();
500}
501
502/**
503 * amdgpu_driver_open_kms - drm callback for open
504 *
505 * @dev: drm dev pointer
506 * @file_priv: drm file
507 *
508 * On device open, init vm on cayman+ (all asics).
509 * Returns 0 on success, error on failure.
510 */
511int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
512{
513	struct amdgpu_device *adev = dev->dev_private;
514	struct amdgpu_fpriv *fpriv;
515	int r;
 
 
 
 
 
 
 
 
 
516
517	file_priv->driver_priv = NULL;
518
519	r = pm_runtime_get_sync(dev->dev);
520	if (r < 0)
521		return r;
522
523	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
524	if (unlikely(!fpriv))
525		return -ENOMEM;
 
 
526
527	r = amdgpu_vm_init(adev, &fpriv->vm);
 
 
 
 
 
 
528	if (r)
529		goto error_free;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
530
531	mutex_init(&fpriv->bo_list_lock);
532	idr_init(&fpriv->bo_list_handles);
533
534	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
535
536	file_priv->driver_priv = fpriv;
 
537
538	pm_runtime_mark_last_busy(dev->dev);
539	pm_runtime_put_autosuspend(dev->dev);
540	return 0;
 
 
 
541
542error_free:
543	kfree(fpriv);
544
 
 
 
 
 
545	return r;
546}
547
548/**
549 * amdgpu_driver_postclose_kms - drm callback for post close
550 *
551 * @dev: drm dev pointer
552 * @file_priv: drm file
553 *
554 * On device post close, tear down vm on cayman+ (all asics).
555 */
556void amdgpu_driver_postclose_kms(struct drm_device *dev,
557				 struct drm_file *file_priv)
558{
559	struct amdgpu_device *adev = dev->dev_private;
560	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
561	struct amdgpu_bo_list *list;
 
 
562	int handle;
563
564	if (!fpriv)
565		return;
566
567	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
568
 
 
 
 
569	amdgpu_vm_fini(adev, &fpriv->vm);
570
 
 
 
 
571	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
572		amdgpu_bo_list_free(list);
573
574	idr_destroy(&fpriv->bo_list_handles);
575	mutex_destroy(&fpriv->bo_list_lock);
576
577	kfree(fpriv);
578	file_priv->driver_priv = NULL;
 
 
 
579}
580
581/**
582 * amdgpu_driver_preclose_kms - drm callback for pre close
583 *
584 * @dev: drm dev pointer
585 * @file_priv: drm file
586 *
587 * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx
588 * (all asics).
589 */
590void amdgpu_driver_preclose_kms(struct drm_device *dev,
591				struct drm_file *file_priv)
592{
593	struct amdgpu_device *adev = dev->dev_private;
594
595	amdgpu_uvd_free_handles(adev, file_priv);
596	amdgpu_vce_free_handles(adev, file_priv);
597}
598
599/*
600 * VBlank related functions.
601 */
602/**
603 * amdgpu_get_vblank_counter_kms - get frame count
604 *
605 * @dev: drm dev pointer
606 * @pipe: crtc to get the frame count from
607 *
608 * Gets the frame count on the requested crtc (all asics).
609 * Returns frame count on success, -EINVAL on failure.
610 */
611u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
612{
613	struct amdgpu_device *adev = dev->dev_private;
 
 
614	int vpos, hpos, stat;
615	u32 count;
616
617	if (pipe >= adev->mode_info.num_crtc) {
618		DRM_ERROR("Invalid crtc %u\n", pipe);
619		return -EINVAL;
620	}
621
622	/* The hw increments its frame counter at start of vsync, not at start
623	 * of vblank, as is required by DRM core vblank counter handling.
624	 * Cook the hw count here to make it appear to the caller as if it
625	 * incremented at start of vblank. We measure distance to start of
626	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
627	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
628	 * result by 1 to give the proper appearance to caller.
629	 */
630	if (adev->mode_info.crtcs[pipe]) {
631		/* Repeat readout if needed to provide stable result if
632		 * we cross start of vsync during the queries.
633		 */
634		do {
635			count = amdgpu_display_vblank_get_counter(adev, pipe);
636			/* Ask amdgpu_get_crtc_scanoutpos to return vpos as
637			 * distance to start of vblank, instead of regular
638			 * vertical scanout pos.
639			 */
640			stat = amdgpu_get_crtc_scanoutpos(
641				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
642				&vpos, &hpos, NULL, NULL,
643				&adev->mode_info.crtcs[pipe]->base.hwmode);
644		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
645
646		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
647		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
648			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
649		} else {
650			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
651				      pipe, vpos);
652
653			/* Bump counter if we are at >= leading edge of vblank,
654			 * but before vsync where vpos would turn negative and
655			 * the hw counter really increments.
656			 */
657			if (vpos >= 0)
658				count++;
659		}
660	} else {
661		/* Fallback to use value as is. */
662		count = amdgpu_display_vblank_get_counter(adev, pipe);
663		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
664	}
665
666	return count;
667}
668
669/**
670 * amdgpu_enable_vblank_kms - enable vblank interrupt
671 *
672 * @dev: drm dev pointer
673 * @pipe: crtc to enable vblank interrupt for
674 *
675 * Enable the interrupt on the requested crtc (all asics).
676 * Returns 0 on success, -EINVAL on failure.
677 */
678int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
679{
680	struct amdgpu_device *adev = dev->dev_private;
681	int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
 
 
682
683	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
684}
685
686/**
687 * amdgpu_disable_vblank_kms - disable vblank interrupt
688 *
689 * @dev: drm dev pointer
690 * @pipe: crtc to disable vblank interrupt for
691 *
692 * Disable the interrupt on the requested crtc (all asics).
693 */
694void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
695{
696	struct amdgpu_device *adev = dev->dev_private;
697	int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
 
 
698
699	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
700}
701
702/**
703 * amdgpu_get_vblank_timestamp_kms - get vblank timestamp
704 *
705 * @dev: drm dev pointer
706 * @crtc: crtc to get the timestamp for
707 * @max_error: max error
708 * @vblank_time: time value
709 * @flags: flags passed to the driver
710 *
711 * Gets the timestamp on the requested crtc based on the
712 * scanout position.  (all asics).
713 * Returns postive status flags on success, negative error on failure.
714 */
715int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
716				    int *max_error,
717				    struct timeval *vblank_time,
718				    unsigned flags)
719{
720	struct drm_crtc *crtc;
721	struct amdgpu_device *adev = dev->dev_private;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
722
723	if (pipe >= dev->num_crtcs) {
724		DRM_ERROR("Invalid crtc %u\n", pipe);
725		return -EINVAL;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
726	}
727
728	/* Get associated drm_crtc: */
729	crtc = &adev->mode_info.crtcs[pipe]->base;
730	if (!crtc) {
731		/* This can occur on driver load if some component fails to
732		 * initialize completely and driver is unloaded */
733		DRM_ERROR("Uninitialized crtc %d\n", pipe);
734		return -EINVAL;
 
 
 
 
 
 
 
 
 
 
735	}
736
737	/* Helper routine in DRM core does all the work: */
738	return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
739						     vblank_time, flags,
740						     &crtc->hwmode);
741}
742
743const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
744	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
745	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
746	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
747	/* KMS */
748	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
749	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
750	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
751	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
752	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
753	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
754	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
755	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
756	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
757};
758int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
v5.14.15
   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
  29#include "amdgpu.h"
  30#include <drm/amdgpu_drm.h>
  31#include <drm/drm_drv.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/uaccess.h>
  39#include <linux/pci.h>
  40#include <linux/pm_runtime.h>
  41#include "amdgpu_amdkfd.h"
  42#include "amdgpu_gem.h"
  43#include "amdgpu_display.h"
  44#include "amdgpu_ras.h"
  45
  46void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
  47{
  48	struct amdgpu_gpu_instance *gpu_instance;
  49	int i;
  50
  51	mutex_lock(&mgpu_info.mutex);
  52
  53	for (i = 0; i < mgpu_info.num_gpu; i++) {
  54		gpu_instance = &(mgpu_info.gpu_ins[i]);
  55		if (gpu_instance->adev == adev) {
  56			mgpu_info.gpu_ins[i] =
  57				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
  58			mgpu_info.num_gpu--;
  59			if (adev->flags & AMD_IS_APU)
  60				mgpu_info.num_apu--;
  61			else
  62				mgpu_info.num_dgpu--;
  63			break;
  64		}
  65	}
  66
  67	mutex_unlock(&mgpu_info.mutex);
  68}
  69
  70/**
  71 * amdgpu_driver_unload_kms - Main unload function for KMS.
  72 *
  73 * @dev: drm dev pointer
  74 *
  75 * This is the main unload function for KMS (all asics).
  76 * Returns 0 on success.
  77 */
  78void amdgpu_driver_unload_kms(struct drm_device *dev)
  79{
  80	struct amdgpu_device *adev = drm_to_adev(dev);
  81
  82	if (adev == NULL)
  83		return;
  84
  85	amdgpu_unregister_gpu_instance(adev);
  86
  87	if (adev->rmmio == NULL)
  88		return;
  89
  90	if (adev->runpm) {
  91		pm_runtime_get_sync(dev->dev);
  92		pm_runtime_forbid(dev->dev);
  93	}
  94
  95	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
  96		DRM_WARN("smart shift update failed\n");
  97
  98	amdgpu_acpi_fini(adev);
  99	amdgpu_device_fini_hw(adev);
 100}
 101
 102void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
 103{
 104	struct amdgpu_gpu_instance *gpu_instance;
 105
 106	mutex_lock(&mgpu_info.mutex);
 107
 108	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
 109		DRM_ERROR("Cannot register more gpu instance\n");
 110		mutex_unlock(&mgpu_info.mutex);
 111		return;
 112	}
 113
 114	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
 115	gpu_instance->adev = adev;
 116	gpu_instance->mgpu_fan_enabled = 0;
 117
 118	mgpu_info.num_gpu++;
 119	if (adev->flags & AMD_IS_APU)
 120		mgpu_info.num_apu++;
 121	else
 122		mgpu_info.num_dgpu++;
 123
 124	mutex_unlock(&mgpu_info.mutex);
 125}
 126
 127static void amdgpu_get_audio_func(struct amdgpu_device *adev)
 128{
 129	struct pci_dev *p = NULL;
 130
 131	p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
 132			adev->pdev->bus->number, 1);
 133	if (p) {
 134		pm_runtime_get_sync(&p->dev);
 135
 136		pm_runtime_mark_last_busy(&p->dev);
 137		pm_runtime_put_autosuspend(&p->dev);
 138
 139		pci_dev_put(p);
 140	}
 141}
 142
 143/**
 144 * amdgpu_driver_load_kms - Main load function for KMS.
 145 *
 146 * @adev: pointer to struct amdgpu_device
 147 * @flags: device flags
 148 *
 149 * This is the main load function for KMS (all asics).
 150 * Returns 0 on success, error on failure.
 151 */
 152int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
 153{
 154	struct drm_device *dev;
 155	struct pci_dev *parent;
 156	int r, acpi_status;
 157
 158	dev = adev_to_drm(adev);
 159
 160	if (amdgpu_has_atpx() &&
 161	    (amdgpu_is_atpx_hybrid() ||
 162	     amdgpu_has_atpx_dgpu_power_cntl()) &&
 163	    ((flags & AMD_IS_APU) == 0) &&
 164	    !pci_is_thunderbolt_attached(to_pci_dev(dev->dev)))
 
 
 165		flags |= AMD_IS_PX;
 166
 167	parent = pci_upstream_bridge(adev->pdev);
 168	adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
 169
 170	/* amdgpu_device_init should report only fatal error
 171	 * like memory allocation failure or iomapping failure,
 172	 * or memory manager initialization failure, it must
 173	 * properly initialize the GPU MC controller and permit
 174	 * VRAM allocation
 175	 */
 176	r = amdgpu_device_init(adev, flags);
 177	if (r) {
 178		dev_err(dev->dev, "Fatal error during GPU init\n");
 179		goto out;
 180	}
 181
 182	if (amdgpu_device_supports_px(dev) &&
 183	    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
 184		adev->runpm = true;
 185		dev_info(adev->dev, "Using ATPX for runtime pm\n");
 186	} else if (amdgpu_device_supports_boco(dev) &&
 187		   (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
 188		adev->runpm = true;
 189		dev_info(adev->dev, "Using BOCO for runtime pm\n");
 190	} else if (amdgpu_device_supports_baco(dev) &&
 191		   (amdgpu_runtime_pm != 0)) {
 192		switch (adev->asic_type) {
 193		case CHIP_VEGA20:
 194		case CHIP_ARCTURUS:
 195			/* enable runpm if runpm=1 */
 196			if (amdgpu_runtime_pm > 0)
 197				adev->runpm = true;
 198			break;
 199		case CHIP_VEGA10:
 200			/* turn runpm on if noretry=0 */
 201			if (!adev->gmc.noretry)
 202				adev->runpm = true;
 203			break;
 204		default:
 205			/* enable runpm on CI+ */
 206			adev->runpm = true;
 207			break;
 208		}
 209		if (adev->runpm)
 210			dev_info(adev->dev, "Using BACO for runtime pm\n");
 211	}
 212
 213	/* Call ACPI methods: require modeset init
 214	 * but failure is not fatal
 215	 */
 
 
 
 
 
 
 
 
 
 
 216
 217	acpi_status = amdgpu_acpi_init(adev);
 218	if (acpi_status)
 219		dev_dbg(dev->dev, "Error during ACPI methods call\n");
 220
 221	if (adev->runpm) {
 222		/* only need to skip on ATPX */
 223		if (amdgpu_device_supports_px(dev))
 224			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
 225		/* we want direct complete for BOCO */
 226		if (amdgpu_device_supports_boco(dev))
 227			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_SMART_PREPARE |
 228						DPM_FLAG_SMART_SUSPEND |
 229						DPM_FLAG_MAY_SKIP_RESUME);
 230		pm_runtime_use_autosuspend(dev->dev);
 231		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
 232
 233		pm_runtime_allow(dev->dev);
 234
 235		pm_runtime_mark_last_busy(dev->dev);
 236		pm_runtime_put_autosuspend(dev->dev);
 237
 238		/*
 239		 * For runpm implemented via BACO, PMFW will handle the
 240		 * timing for BACO in and out:
 241		 *   - put ASIC into BACO state only when both video and
 242		 *     audio functions are in D3 state.
 243		 *   - pull ASIC out of BACO state when either video or
 244		 *     audio function is in D0 state.
 245		 * Also, at startup, PMFW assumes both functions are in
 246		 * D0 state.
 247		 *
 248		 * So if snd driver was loaded prior to amdgpu driver
 249		 * and audio function was put into D3 state, there will
 250		 * be no PMFW-aware D-state transition(D0->D3) on runpm
 251		 * suspend. Thus the BACO will be not correctly kicked in.
 252		 *
 253		 * Via amdgpu_get_audio_func(), the audio dev is put
 254		 * into D0 state. Then there will be a PMFW-aware D-state
 255		 * transition(D0->D3) on runpm suspend.
 256		 */
 257		if (amdgpu_device_supports_baco(dev) &&
 258		    !(adev->flags & AMD_IS_APU) &&
 259		    (adev->asic_type >= CHIP_NAVI10))
 260			amdgpu_get_audio_func(adev);
 261	}
 262
 263	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
 264		DRM_WARN("smart shift update failed\n");
 265
 266out:
 267	if (r) {
 268		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
 269		if (adev->rmmio && adev->runpm)
 270			pm_runtime_put_noidle(dev->dev);
 271		amdgpu_driver_unload_kms(dev);
 272	}
 273
 274	return r;
 275}
 276
 277static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
 278				struct drm_amdgpu_query_fw *query_fw,
 279				struct amdgpu_device *adev)
 280{
 281	switch (query_fw->fw_type) {
 282	case AMDGPU_INFO_FW_VCE:
 283		fw_info->ver = adev->vce.fw_version;
 284		fw_info->feature = adev->vce.fb_version;
 285		break;
 286	case AMDGPU_INFO_FW_UVD:
 287		fw_info->ver = adev->uvd.fw_version;
 288		fw_info->feature = 0;
 289		break;
 290	case AMDGPU_INFO_FW_VCN:
 291		fw_info->ver = adev->vcn.fw_version;
 292		fw_info->feature = 0;
 293		break;
 294	case AMDGPU_INFO_FW_GMC:
 295		fw_info->ver = adev->gmc.fw_version;
 296		fw_info->feature = 0;
 297		break;
 298	case AMDGPU_INFO_FW_GFX_ME:
 299		fw_info->ver = adev->gfx.me_fw_version;
 300		fw_info->feature = adev->gfx.me_feature_version;
 301		break;
 302	case AMDGPU_INFO_FW_GFX_PFP:
 303		fw_info->ver = adev->gfx.pfp_fw_version;
 304		fw_info->feature = adev->gfx.pfp_feature_version;
 305		break;
 306	case AMDGPU_INFO_FW_GFX_CE:
 307		fw_info->ver = adev->gfx.ce_fw_version;
 308		fw_info->feature = adev->gfx.ce_feature_version;
 309		break;
 310	case AMDGPU_INFO_FW_GFX_RLC:
 311		fw_info->ver = adev->gfx.rlc_fw_version;
 312		fw_info->feature = adev->gfx.rlc_feature_version;
 313		break;
 314	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
 315		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
 316		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
 317		break;
 318	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
 319		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
 320		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
 321		break;
 322	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
 323		fw_info->ver = adev->gfx.rlc_srls_fw_version;
 324		fw_info->feature = adev->gfx.rlc_srls_feature_version;
 325		break;
 326	case AMDGPU_INFO_FW_GFX_MEC:
 327		if (query_fw->index == 0) {
 328			fw_info->ver = adev->gfx.mec_fw_version;
 329			fw_info->feature = adev->gfx.mec_feature_version;
 330		} else if (query_fw->index == 1) {
 331			fw_info->ver = adev->gfx.mec2_fw_version;
 332			fw_info->feature = adev->gfx.mec2_feature_version;
 333		} else
 334			return -EINVAL;
 335		break;
 336	case AMDGPU_INFO_FW_SMC:
 337		fw_info->ver = adev->pm.fw_version;
 338		fw_info->feature = 0;
 339		break;
 340	case AMDGPU_INFO_FW_TA:
 341		switch (query_fw->index) {
 342		case TA_FW_TYPE_PSP_XGMI:
 343			fw_info->ver = adev->psp.ta_fw_version;
 344			fw_info->feature = adev->psp.ta_xgmi_ucode_version;
 345			break;
 346		case TA_FW_TYPE_PSP_RAS:
 347			fw_info->ver = adev->psp.ta_fw_version;
 348			fw_info->feature = adev->psp.ta_ras_ucode_version;
 349			break;
 350		case TA_FW_TYPE_PSP_HDCP:
 351			fw_info->ver = adev->psp.ta_fw_version;
 352			fw_info->feature = adev->psp.ta_hdcp_ucode_version;
 353			break;
 354		case TA_FW_TYPE_PSP_DTM:
 355			fw_info->ver = adev->psp.ta_fw_version;
 356			fw_info->feature = adev->psp.ta_dtm_ucode_version;
 357			break;
 358		case TA_FW_TYPE_PSP_RAP:
 359			fw_info->ver = adev->psp.ta_fw_version;
 360			fw_info->feature = adev->psp.ta_rap_ucode_version;
 361			break;
 362		case TA_FW_TYPE_PSP_SECUREDISPLAY:
 363			fw_info->ver = adev->psp.ta_fw_version;
 364			fw_info->feature = adev->psp.ta_securedisplay_ucode_version;
 365			break;
 366		default:
 367			return -EINVAL;
 368		}
 369		break;
 370	case AMDGPU_INFO_FW_SDMA:
 371		if (query_fw->index >= adev->sdma.num_instances)
 372			return -EINVAL;
 373		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
 374		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
 375		break;
 376	case AMDGPU_INFO_FW_SOS:
 377		fw_info->ver = adev->psp.sos_fw_version;
 378		fw_info->feature = adev->psp.sos_feature_version;
 379		break;
 380	case AMDGPU_INFO_FW_ASD:
 381		fw_info->ver = adev->psp.asd_fw_version;
 382		fw_info->feature = adev->psp.asd_feature_version;
 383		break;
 384	case AMDGPU_INFO_FW_DMCU:
 385		fw_info->ver = adev->dm.dmcu_fw_version;
 386		fw_info->feature = 0;
 387		break;
 388	case AMDGPU_INFO_FW_DMCUB:
 389		fw_info->ver = adev->dm.dmcub_fw_version;
 390		fw_info->feature = 0;
 391		break;
 392	case AMDGPU_INFO_FW_TOC:
 393		fw_info->ver = adev->psp.toc_fw_version;
 394		fw_info->feature = adev->psp.toc_feature_version;
 395		break;
 396	default:
 397		return -EINVAL;
 398	}
 399	return 0;
 400}
 401
 402static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
 403			     struct drm_amdgpu_info *info,
 404			     struct drm_amdgpu_info_hw_ip *result)
 405{
 406	uint32_t ib_start_alignment = 0;
 407	uint32_t ib_size_alignment = 0;
 408	enum amd_ip_block_type type;
 409	unsigned int num_rings = 0;
 410	unsigned int i, j;
 411
 412	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 413		return -EINVAL;
 414
 415	switch (info->query_hw_ip.type) {
 416	case AMDGPU_HW_IP_GFX:
 417		type = AMD_IP_BLOCK_TYPE_GFX;
 418		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
 419			if (adev->gfx.gfx_ring[i].sched.ready)
 420				++num_rings;
 421		ib_start_alignment = 32;
 422		ib_size_alignment = 32;
 423		break;
 424	case AMDGPU_HW_IP_COMPUTE:
 425		type = AMD_IP_BLOCK_TYPE_GFX;
 426		for (i = 0; i < adev->gfx.num_compute_rings; i++)
 427			if (adev->gfx.compute_ring[i].sched.ready)
 428				++num_rings;
 429		ib_start_alignment = 32;
 430		ib_size_alignment = 32;
 431		break;
 432	case AMDGPU_HW_IP_DMA:
 433		type = AMD_IP_BLOCK_TYPE_SDMA;
 434		for (i = 0; i < adev->sdma.num_instances; i++)
 435			if (adev->sdma.instance[i].ring.sched.ready)
 436				++num_rings;
 437		ib_start_alignment = 256;
 438		ib_size_alignment = 4;
 439		break;
 440	case AMDGPU_HW_IP_UVD:
 441		type = AMD_IP_BLOCK_TYPE_UVD;
 442		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 443			if (adev->uvd.harvest_config & (1 << i))
 444				continue;
 445
 446			if (adev->uvd.inst[i].ring.sched.ready)
 447				++num_rings;
 448		}
 449		ib_start_alignment = 64;
 450		ib_size_alignment = 64;
 451		break;
 452	case AMDGPU_HW_IP_VCE:
 453		type = AMD_IP_BLOCK_TYPE_VCE;
 454		for (i = 0; i < adev->vce.num_rings; i++)
 455			if (adev->vce.ring[i].sched.ready)
 456				++num_rings;
 457		ib_start_alignment = 4;
 458		ib_size_alignment = 1;
 459		break;
 460	case AMDGPU_HW_IP_UVD_ENC:
 461		type = AMD_IP_BLOCK_TYPE_UVD;
 462		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 463			if (adev->uvd.harvest_config & (1 << i))
 464				continue;
 465
 466			for (j = 0; j < adev->uvd.num_enc_rings; j++)
 467				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
 468					++num_rings;
 469		}
 470		ib_start_alignment = 64;
 471		ib_size_alignment = 64;
 472		break;
 473	case AMDGPU_HW_IP_VCN_DEC:
 474		type = AMD_IP_BLOCK_TYPE_VCN;
 475		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 476			if (adev->uvd.harvest_config & (1 << i))
 477				continue;
 478
 479			if (adev->vcn.inst[i].ring_dec.sched.ready)
 480				++num_rings;
 481		}
 482		ib_start_alignment = 16;
 483		ib_size_alignment = 16;
 484		break;
 485	case AMDGPU_HW_IP_VCN_ENC:
 486		type = AMD_IP_BLOCK_TYPE_VCN;
 487		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 488			if (adev->uvd.harvest_config & (1 << i))
 489				continue;
 490
 491			for (j = 0; j < adev->vcn.num_enc_rings; j++)
 492				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
 493					++num_rings;
 494		}
 495		ib_start_alignment = 64;
 496		ib_size_alignment = 1;
 497		break;
 498	case AMDGPU_HW_IP_VCN_JPEG:
 499		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
 500			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
 501
 502		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
 503			if (adev->jpeg.harvest_config & (1 << i))
 504				continue;
 505
 506			if (adev->jpeg.inst[i].ring_dec.sched.ready)
 507				++num_rings;
 508		}
 509		ib_start_alignment = 16;
 510		ib_size_alignment = 16;
 511		break;
 512	default:
 513		return -EINVAL;
 514	}
 515
 516	for (i = 0; i < adev->num_ip_blocks; i++)
 517		if (adev->ip_blocks[i].version->type == type &&
 518		    adev->ip_blocks[i].status.valid)
 519			break;
 520
 521	if (i == adev->num_ip_blocks)
 522		return 0;
 523
 524	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
 525			num_rings);
 526
 527	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
 528	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
 529	result->capabilities_flags = 0;
 530	result->available_rings = (1 << num_rings) - 1;
 531	result->ib_start_alignment = ib_start_alignment;
 532	result->ib_size_alignment = ib_size_alignment;
 533	return 0;
 534}
 535
 536/*
 537 * Userspace get information ioctl
 538 */
 539/**
 540 * amdgpu_info_ioctl - answer a device specific request.
 541 *
 542 * @dev: drm device pointer
 543 * @data: request object
 544 * @filp: drm filp
 545 *
 546 * This function is used to pass device specific parameters to the userspace
 547 * drivers.  Examples include: pci device id, pipeline parms, tiling params,
 548 * etc. (all asics).
 549 * Returns 0 on success, -EINVAL on failure.
 550 */
 551int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 552{
 553	struct amdgpu_device *adev = drm_to_adev(dev);
 554	struct drm_amdgpu_info *info = data;
 555	struct amdgpu_mode_info *minfo = &adev->mode_info;
 556	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
 557	uint32_t size = info->return_size;
 558	struct drm_crtc *crtc;
 559	uint32_t ui32 = 0;
 560	uint64_t ui64 = 0;
 561	int i, found;
 562	int ui32_size = sizeof(ui32);
 563
 564	if (!info->return_size || !info->return_pointer)
 565		return -EINVAL;
 566
 567	switch (info->query) {
 568	case AMDGPU_INFO_ACCEL_WORKING:
 569		ui32 = adev->accel_working;
 570		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 571	case AMDGPU_INFO_CRTC_FROM_ID:
 572		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
 573			crtc = (struct drm_crtc *)minfo->crtcs[i];
 574			if (crtc && crtc->base.id == info->mode_crtc.id) {
 575				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 576				ui32 = amdgpu_crtc->crtc_id;
 577				found = 1;
 578				break;
 579			}
 580		}
 581		if (!found) {
 582			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
 583			return -EINVAL;
 584		}
 585		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 586	case AMDGPU_INFO_HW_IP_INFO: {
 587		struct drm_amdgpu_info_hw_ip ip = {};
 588		int ret;
 
 
 
 589
 590		ret = amdgpu_hw_ip_info(adev, info, &ip);
 591		if (ret)
 592			return ret;
 593
 594		ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
 595		return ret ? -EFAULT : 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 596	}
 597	case AMDGPU_INFO_HW_IP_COUNT: {
 598		enum amd_ip_block_type type;
 599		uint32_t count = 0;
 600
 601		switch (info->query_hw_ip.type) {
 602		case AMDGPU_HW_IP_GFX:
 603			type = AMD_IP_BLOCK_TYPE_GFX;
 604			break;
 605		case AMDGPU_HW_IP_COMPUTE:
 606			type = AMD_IP_BLOCK_TYPE_GFX;
 607			break;
 608		case AMDGPU_HW_IP_DMA:
 609			type = AMD_IP_BLOCK_TYPE_SDMA;
 610			break;
 611		case AMDGPU_HW_IP_UVD:
 612			type = AMD_IP_BLOCK_TYPE_UVD;
 613			break;
 614		case AMDGPU_HW_IP_VCE:
 615			type = AMD_IP_BLOCK_TYPE_VCE;
 616			break;
 617		case AMDGPU_HW_IP_UVD_ENC:
 618			type = AMD_IP_BLOCK_TYPE_UVD;
 619			break;
 620		case AMDGPU_HW_IP_VCN_DEC:
 621		case AMDGPU_HW_IP_VCN_ENC:
 622			type = AMD_IP_BLOCK_TYPE_VCN;
 623			break;
 624		case AMDGPU_HW_IP_VCN_JPEG:
 625			type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
 626				AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
 627			break;
 628		default:
 629			return -EINVAL;
 630		}
 631
 632		for (i = 0; i < adev->num_ip_blocks; i++)
 633			if (adev->ip_blocks[i].version->type == type &&
 634			    adev->ip_blocks[i].status.valid &&
 635			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 636				count++;
 637
 638		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
 639	}
 640	case AMDGPU_INFO_TIMESTAMP:
 641		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
 642		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 643	case AMDGPU_INFO_FW_VERSION: {
 644		struct drm_amdgpu_info_firmware fw_info;
 645		int ret;
 646
 647		/* We only support one instance of each IP block right now. */
 648		if (info->query_fw.ip_instance != 0)
 649			return -EINVAL;
 650
 651		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
 652		if (ret)
 653			return ret;
 654
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 655		return copy_to_user(out, &fw_info,
 656				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
 657	}
 658	case AMDGPU_INFO_NUM_BYTES_MOVED:
 659		ui64 = atomic64_read(&adev->num_bytes_moved);
 660		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 661	case AMDGPU_INFO_NUM_EVICTIONS:
 662		ui64 = atomic64_read(&adev->num_evictions);
 663		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 664	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
 665		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
 666		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 667	case AMDGPU_INFO_VRAM_USAGE:
 668		ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
 669		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 670	case AMDGPU_INFO_VIS_VRAM_USAGE:
 671		ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
 672		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 673	case AMDGPU_INFO_GTT_USAGE:
 674		ui64 = amdgpu_gtt_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT));
 675		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 676	case AMDGPU_INFO_GDS_CONFIG: {
 677		struct drm_amdgpu_info_gds gds_info;
 678
 679		memset(&gds_info, 0, sizeof(gds_info));
 680		gds_info.compute_partition_size = adev->gds.gds_size;
 681		gds_info.gds_total_size = adev->gds.gds_size;
 682		gds_info.gws_per_compute_partition = adev->gds.gws_size;
 683		gds_info.oa_per_compute_partition = adev->gds.oa_size;
 
 
 
 684		return copy_to_user(out, &gds_info,
 685				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
 686	}
 687	case AMDGPU_INFO_VRAM_GTT: {
 688		struct drm_amdgpu_info_vram_gtt vram_gtt;
 689
 690		vram_gtt.vram_size = adev->gmc.real_vram_size -
 691			atomic64_read(&adev->vram_pin_size) -
 692			AMDGPU_VM_RESERVED_VRAM;
 693		vram_gtt.vram_cpu_accessible_size =
 694			min(adev->gmc.visible_vram_size -
 695			    atomic64_read(&adev->visible_pin_size),
 696			    vram_gtt.vram_size);
 697		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
 698		vram_gtt.gtt_size *= PAGE_SIZE;
 699		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
 700		return copy_to_user(out, &vram_gtt,
 701				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
 702	}
 703	case AMDGPU_INFO_MEMORY: {
 704		struct drm_amdgpu_memory_info mem;
 705		struct ttm_resource_manager *vram_man =
 706			ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
 707		struct ttm_resource_manager *gtt_man =
 708			ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
 709		memset(&mem, 0, sizeof(mem));
 710		mem.vram.total_heap_size = adev->gmc.real_vram_size;
 711		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
 712			atomic64_read(&adev->vram_pin_size) -
 713			AMDGPU_VM_RESERVED_VRAM;
 714		mem.vram.heap_usage =
 715			amdgpu_vram_mgr_usage(vram_man);
 716		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
 717
 718		mem.cpu_accessible_vram.total_heap_size =
 719			adev->gmc.visible_vram_size;
 720		mem.cpu_accessible_vram.usable_heap_size =
 721			min(adev->gmc.visible_vram_size -
 722			    atomic64_read(&adev->visible_pin_size),
 723			    mem.vram.usable_heap_size);
 724		mem.cpu_accessible_vram.heap_usage =
 725			amdgpu_vram_mgr_vis_usage(vram_man);
 726		mem.cpu_accessible_vram.max_allocation =
 727			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
 728
 729		mem.gtt.total_heap_size = gtt_man->size;
 730		mem.gtt.total_heap_size *= PAGE_SIZE;
 731		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
 732			atomic64_read(&adev->gart_pin_size);
 733		mem.gtt.heap_usage =
 734			amdgpu_gtt_mgr_usage(gtt_man);
 735		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
 736
 737		return copy_to_user(out, &mem,
 738				    min((size_t)size, sizeof(mem)))
 739				    ? -EFAULT : 0;
 740	}
 741	case AMDGPU_INFO_READ_MMR_REG: {
 742		unsigned n, alloc_size;
 743		uint32_t *regs;
 744		unsigned se_num = (info->read_mmr_reg.instance >>
 745				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
 746				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
 747		unsigned sh_num = (info->read_mmr_reg.instance >>
 748				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
 749				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
 750
 751		/* set full masks if the userspace set all bits
 752		 * in the bitfields */
 753		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
 754			se_num = 0xffffffff;
 755		else if (se_num >= AMDGPU_GFX_MAX_SE)
 756			return -EINVAL;
 757		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
 758			sh_num = 0xffffffff;
 759		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
 760			return -EINVAL;
 761
 762		if (info->read_mmr_reg.count > 128)
 763			return -EINVAL;
 764
 765		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
 766		if (!regs)
 767			return -ENOMEM;
 768		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
 769
 770		amdgpu_gfx_off_ctrl(adev, false);
 771		for (i = 0; i < info->read_mmr_reg.count; i++) {
 772			if (amdgpu_asic_read_register(adev, se_num, sh_num,
 773						      info->read_mmr_reg.dword_offset + i,
 774						      &regs[i])) {
 775				DRM_DEBUG_KMS("unallowed offset %#x\n",
 776					      info->read_mmr_reg.dword_offset + i);
 777				kfree(regs);
 778				amdgpu_gfx_off_ctrl(adev, true);
 779				return -EFAULT;
 780			}
 781		}
 782		amdgpu_gfx_off_ctrl(adev, true);
 783		n = copy_to_user(out, regs, min(size, alloc_size));
 784		kfree(regs);
 785		return n ? -EFAULT : 0;
 786	}
 787	case AMDGPU_INFO_DEV_INFO: {
 788		struct drm_amdgpu_info_device *dev_info;
 789		uint64_t vm_size;
 790		int ret;
 791
 792		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
 793		if (!dev_info)
 794			return -ENOMEM;
 795
 796		dev_info->device_id = adev->pdev->device;
 797		dev_info->chip_rev = adev->rev_id;
 798		dev_info->external_rev = adev->external_rev_id;
 799		dev_info->pci_rev = adev->pdev->revision;
 800		dev_info->family = adev->family;
 801		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
 802		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
 803		/* return all clocks in KHz */
 804		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
 805		if (adev->pm.dpm_enabled) {
 806			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
 807			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
 
 
 808		} else {
 809			dev_info->max_engine_clock = adev->clock.default_sclk * 10;
 810			dev_info->max_memory_clock = adev->clock.default_mclk * 10;
 811		}
 812		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
 813		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
 814			adev->gfx.config.max_shader_engines;
 815		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
 816		dev_info->_pad = 0;
 817		dev_info->ids_flags = 0;
 818		if (adev->flags & AMD_IS_APU)
 819			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
 820		if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
 821			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
 822		if (amdgpu_is_tmz(adev))
 823			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
 824
 825		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
 826		vm_size -= AMDGPU_VA_RESERVED_SIZE;
 827
 828		/* Older VCE FW versions are buggy and can handle only 40bits */
 829		if (adev->vce.fw_version &&
 830		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
 831			vm_size = min(vm_size, 1ULL << 40);
 832
 833		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
 834		dev_info->virtual_address_max =
 835			min(vm_size, AMDGPU_GMC_HOLE_START);
 836
 837		if (vm_size > AMDGPU_GMC_HOLE_START) {
 838			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
 839			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
 840		}
 841		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 842		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
 843		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 844		dev_info->cu_active_number = adev->gfx.cu_info.number;
 845		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
 846		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
 847		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
 848		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
 849		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
 850		       sizeof(adev->gfx.cu_info.bitmap));
 851		dev_info->vram_type = adev->gmc.vram_type;
 852		dev_info->vram_bit_width = adev->gmc.vram_width;
 853		dev_info->vce_harvest_config = adev->vce.harvest_config;
 854		dev_info->gc_double_offchip_lds_buf =
 855			adev->gfx.config.double_offchip_lds_buf;
 856		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
 857		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
 858		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
 859		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
 860		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
 861		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
 862		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
 863
 864		if (adev->family >= AMDGPU_FAMILY_NV)
 865			dev_info->pa_sc_tile_steering_override =
 866				adev->gfx.config.pa_sc_tile_steering_override;
 867
 868		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
 869
 870		ret = copy_to_user(out, dev_info,
 871				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
 872		kfree(dev_info);
 873		return ret;
 874	}
 875	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
 876		unsigned i;
 877		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
 878		struct amd_vce_state *vce_state;
 879
 880		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
 881			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
 882			if (vce_state) {
 883				vce_clk_table.entries[i].sclk = vce_state->sclk;
 884				vce_clk_table.entries[i].mclk = vce_state->mclk;
 885				vce_clk_table.entries[i].eclk = vce_state->evclk;
 886				vce_clk_table.num_valid_entries++;
 887			}
 888		}
 889
 890		return copy_to_user(out, &vce_clk_table,
 891				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
 892	}
 893	case AMDGPU_INFO_VBIOS: {
 894		uint32_t bios_size = adev->bios_size;
 895
 896		switch (info->vbios_info.type) {
 897		case AMDGPU_INFO_VBIOS_SIZE:
 898			return copy_to_user(out, &bios_size,
 899					min((size_t)size, sizeof(bios_size)))
 900					? -EFAULT : 0;
 901		case AMDGPU_INFO_VBIOS_IMAGE: {
 902			uint8_t *bios;
 903			uint32_t bios_offset = info->vbios_info.offset;
 904
 905			if (bios_offset >= bios_size)
 906				return -EINVAL;
 907
 908			bios = adev->bios + bios_offset;
 909			return copy_to_user(out, bios,
 910					    min((size_t)size, (size_t)(bios_size - bios_offset)))
 911					? -EFAULT : 0;
 912		}
 913		case AMDGPU_INFO_VBIOS_INFO: {
 914			struct drm_amdgpu_info_vbios vbios_info = {};
 915			struct atom_context *atom_context;
 916
 917			atom_context = adev->mode_info.atom_context;
 918			memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
 919			memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
 920			vbios_info.version = atom_context->version;
 921			memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
 922						sizeof(atom_context->vbios_ver_str));
 923			memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
 924
 925			return copy_to_user(out, &vbios_info,
 926						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
 927		}
 928		default:
 929			DRM_DEBUG_KMS("Invalid request %d\n",
 930					info->vbios_info.type);
 931			return -EINVAL;
 932		}
 933	}
 934	case AMDGPU_INFO_NUM_HANDLES: {
 935		struct drm_amdgpu_info_num_handles handle;
 936
 937		switch (info->query_hw_ip.type) {
 938		case AMDGPU_HW_IP_UVD:
 939			/* Starting Polaris, we support unlimited UVD handles */
 940			if (adev->asic_type < CHIP_POLARIS10) {
 941				handle.uvd_max_handles = adev->uvd.max_handles;
 942				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
 943
 944				return copy_to_user(out, &handle,
 945					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
 946			} else {
 947				return -ENODATA;
 948			}
 949
 950			break;
 951		default:
 952			return -EINVAL;
 953		}
 954	}
 955	case AMDGPU_INFO_SENSOR: {
 956		if (!adev->pm.dpm_enabled)
 957			return -ENOENT;
 958
 959		switch (info->sensor_info.type) {
 960		case AMDGPU_INFO_SENSOR_GFX_SCLK:
 961			/* get sclk in Mhz */
 962			if (amdgpu_dpm_read_sensor(adev,
 963						   AMDGPU_PP_SENSOR_GFX_SCLK,
 964						   (void *)&ui32, &ui32_size)) {
 965				return -EINVAL;
 966			}
 967			ui32 /= 100;
 968			break;
 969		case AMDGPU_INFO_SENSOR_GFX_MCLK:
 970			/* get mclk in Mhz */
 971			if (amdgpu_dpm_read_sensor(adev,
 972						   AMDGPU_PP_SENSOR_GFX_MCLK,
 973						   (void *)&ui32, &ui32_size)) {
 974				return -EINVAL;
 975			}
 976			ui32 /= 100;
 977			break;
 978		case AMDGPU_INFO_SENSOR_GPU_TEMP:
 979			/* get temperature in millidegrees C */
 980			if (amdgpu_dpm_read_sensor(adev,
 981						   AMDGPU_PP_SENSOR_GPU_TEMP,
 982						   (void *)&ui32, &ui32_size)) {
 983				return -EINVAL;
 984			}
 985			break;
 986		case AMDGPU_INFO_SENSOR_GPU_LOAD:
 987			/* get GPU load */
 988			if (amdgpu_dpm_read_sensor(adev,
 989						   AMDGPU_PP_SENSOR_GPU_LOAD,
 990						   (void *)&ui32, &ui32_size)) {
 991				return -EINVAL;
 992			}
 993			break;
 994		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
 995			/* get average GPU power */
 996			if (amdgpu_dpm_read_sensor(adev,
 997						   AMDGPU_PP_SENSOR_GPU_POWER,
 998						   (void *)&ui32, &ui32_size)) {
 999				return -EINVAL;
1000			}
1001			ui32 >>= 8;
1002			break;
1003		case AMDGPU_INFO_SENSOR_VDDNB:
1004			/* get VDDNB in millivolts */
1005			if (amdgpu_dpm_read_sensor(adev,
1006						   AMDGPU_PP_SENSOR_VDDNB,
1007						   (void *)&ui32, &ui32_size)) {
1008				return -EINVAL;
1009			}
1010			break;
1011		case AMDGPU_INFO_SENSOR_VDDGFX:
1012			/* get VDDGFX in millivolts */
1013			if (amdgpu_dpm_read_sensor(adev,
1014						   AMDGPU_PP_SENSOR_VDDGFX,
1015						   (void *)&ui32, &ui32_size)) {
1016				return -EINVAL;
1017			}
1018			break;
1019		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1020			/* get stable pstate sclk in Mhz */
1021			if (amdgpu_dpm_read_sensor(adev,
1022						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1023						   (void *)&ui32, &ui32_size)) {
1024				return -EINVAL;
1025			}
1026			ui32 /= 100;
1027			break;
1028		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1029			/* get stable pstate mclk in Mhz */
1030			if (amdgpu_dpm_read_sensor(adev,
1031						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1032						   (void *)&ui32, &ui32_size)) {
1033				return -EINVAL;
1034			}
1035			ui32 /= 100;
1036			break;
1037		default:
1038			DRM_DEBUG_KMS("Invalid request %d\n",
1039				      info->sensor_info.type);
1040			return -EINVAL;
1041		}
1042		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1043	}
1044	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1045		ui32 = atomic_read(&adev->vram_lost_counter);
1046		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1047	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1048		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1049		uint64_t ras_mask;
1050
1051		if (!ras)
1052			return -EINVAL;
1053		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1054
1055		return copy_to_user(out, &ras_mask,
1056				min_t(u64, size, sizeof(ras_mask))) ?
1057			-EFAULT : 0;
1058	}
1059	case AMDGPU_INFO_VIDEO_CAPS: {
1060		const struct amdgpu_video_codecs *codecs;
1061		struct drm_amdgpu_info_video_caps *caps;
1062		int r;
1063
1064		switch (info->video_cap.type) {
1065		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1066			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1067			if (r)
1068				return -EINVAL;
1069			break;
1070		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1071			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1072			if (r)
1073				return -EINVAL;
1074			break;
1075		default:
1076			DRM_DEBUG_KMS("Invalid request %d\n",
1077				      info->video_cap.type);
1078			return -EINVAL;
1079		}
1080
1081		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1082		if (!caps)
1083			return -ENOMEM;
1084
1085		for (i = 0; i < codecs->codec_count; i++) {
1086			int idx = codecs->codec_array[i].codec_type;
1087
1088			switch (idx) {
1089			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1090			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1091			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1092			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1093			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1094			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1095			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1096			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1097				caps->codec_info[idx].valid = 1;
1098				caps->codec_info[idx].max_width =
1099					codecs->codec_array[i].max_width;
1100				caps->codec_info[idx].max_height =
1101					codecs->codec_array[i].max_height;
1102				caps->codec_info[idx].max_pixels_per_frame =
1103					codecs->codec_array[i].max_pixels_per_frame;
1104				caps->codec_info[idx].max_level =
1105					codecs->codec_array[i].max_level;
1106				break;
1107			default:
1108				break;
1109			}
1110		}
1111		r = copy_to_user(out, caps,
1112				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1113		kfree(caps);
1114		return r;
1115	}
1116	default:
1117		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1118		return -EINVAL;
1119	}
1120	return 0;
1121}
1122
1123
1124/*
1125 * Outdated mess for old drm with Xorg being in charge (void function now).
1126 */
1127/**
1128 * amdgpu_driver_lastclose_kms - drm callback for last close
1129 *
1130 * @dev: drm dev pointer
1131 *
1132 * Switch vga_switcheroo state after last close (all asics).
1133 */
1134void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1135{
1136	drm_fb_helper_lastclose(dev);
 
 
1137	vga_switcheroo_process_delayed_switch();
1138}
1139
1140/**
1141 * amdgpu_driver_open_kms - drm callback for open
1142 *
1143 * @dev: drm dev pointer
1144 * @file_priv: drm file
1145 *
1146 * On device open, init vm on cayman+ (all asics).
1147 * Returns 0 on success, error on failure.
1148 */
1149int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1150{
1151	struct amdgpu_device *adev = drm_to_adev(dev);
1152	struct amdgpu_fpriv *fpriv;
1153	int r, pasid;
1154
1155	/* Ensure IB tests are run on ring */
1156	flush_delayed_work(&adev->delayed_init_work);
1157
1158
1159	if (amdgpu_ras_intr_triggered()) {
1160		DRM_ERROR("RAS Intr triggered, device disabled!!");
1161		return -EHWPOISON;
1162	}
1163
1164	file_priv->driver_priv = NULL;
1165
1166	r = pm_runtime_get_sync(dev->dev);
1167	if (r < 0)
1168		goto pm_put;
1169
1170	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1171	if (unlikely(!fpriv)) {
1172		r = -ENOMEM;
1173		goto out_suspend;
1174	}
1175
1176	pasid = amdgpu_pasid_alloc(16);
1177	if (pasid < 0) {
1178		dev_warn(adev->dev, "No more PASIDs available!");
1179		pasid = 0;
1180	}
1181
1182	r = amdgpu_vm_init(adev, &fpriv->vm, pasid);
1183	if (r)
1184		goto error_pasid;
1185
1186	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1187	if (!fpriv->prt_va) {
1188		r = -ENOMEM;
1189		goto error_vm;
1190	}
1191
1192	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1193		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1194
1195		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1196						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1197		if (r)
1198			goto error_vm;
1199	}
1200
1201	mutex_init(&fpriv->bo_list_lock);
1202	idr_init(&fpriv->bo_list_handles);
1203
1204	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1205
1206	file_priv->driver_priv = fpriv;
1207	goto out_suspend;
1208
1209error_vm:
1210	amdgpu_vm_fini(adev, &fpriv->vm);
1211
1212error_pasid:
1213	if (pasid)
1214		amdgpu_pasid_free(pasid);
1215
 
1216	kfree(fpriv);
1217
1218out_suspend:
1219	pm_runtime_mark_last_busy(dev->dev);
1220pm_put:
1221	pm_runtime_put_autosuspend(dev->dev);
1222
1223	return r;
1224}
1225
1226/**
1227 * amdgpu_driver_postclose_kms - drm callback for post close
1228 *
1229 * @dev: drm dev pointer
1230 * @file_priv: drm file
1231 *
1232 * On device post close, tear down vm on cayman+ (all asics).
1233 */
1234void amdgpu_driver_postclose_kms(struct drm_device *dev,
1235				 struct drm_file *file_priv)
1236{
1237	struct amdgpu_device *adev = drm_to_adev(dev);
1238	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1239	struct amdgpu_bo_list *list;
1240	struct amdgpu_bo *pd;
1241	u32 pasid;
1242	int handle;
1243
1244	if (!fpriv)
1245		return;
1246
1247	pm_runtime_get_sync(dev->dev);
1248
1249	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1250		amdgpu_uvd_free_handles(adev, file_priv);
1251	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1252		amdgpu_vce_free_handles(adev, file_priv);
1253
1254	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1255
1256	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1257		/* TODO: how to handle reserve failure */
1258		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1259		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1260		fpriv->csa_va = NULL;
1261		amdgpu_bo_unreserve(adev->virt.csa_obj);
1262	}
1263
1264	pasid = fpriv->vm.pasid;
1265	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1266
1267	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1268	amdgpu_vm_fini(adev, &fpriv->vm);
1269
1270	if (pasid)
1271		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1272	amdgpu_bo_unref(&pd);
1273
1274	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1275		amdgpu_bo_list_put(list);
1276
1277	idr_destroy(&fpriv->bo_list_handles);
1278	mutex_destroy(&fpriv->bo_list_lock);
1279
1280	kfree(fpriv);
1281	file_priv->driver_priv = NULL;
1282
1283	pm_runtime_mark_last_busy(dev->dev);
1284	pm_runtime_put_autosuspend(dev->dev);
1285}
1286
1287
1288void amdgpu_driver_release_kms(struct drm_device *dev)
 
 
 
 
 
 
 
 
 
1289{
1290	struct amdgpu_device *adev = drm_to_adev(dev);
1291
1292	amdgpu_device_fini_sw(adev);
1293	pci_set_drvdata(adev->pdev, NULL);
1294}
1295
1296/*
1297 * VBlank related functions.
1298 */
1299/**
1300 * amdgpu_get_vblank_counter_kms - get frame count
1301 *
1302 * @crtc: crtc to get the frame count from
 
1303 *
1304 * Gets the frame count on the requested crtc (all asics).
1305 * Returns frame count on success, -EINVAL on failure.
1306 */
1307u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1308{
1309	struct drm_device *dev = crtc->dev;
1310	unsigned int pipe = crtc->index;
1311	struct amdgpu_device *adev = drm_to_adev(dev);
1312	int vpos, hpos, stat;
1313	u32 count;
1314
1315	if (pipe >= adev->mode_info.num_crtc) {
1316		DRM_ERROR("Invalid crtc %u\n", pipe);
1317		return -EINVAL;
1318	}
1319
1320	/* The hw increments its frame counter at start of vsync, not at start
1321	 * of vblank, as is required by DRM core vblank counter handling.
1322	 * Cook the hw count here to make it appear to the caller as if it
1323	 * incremented at start of vblank. We measure distance to start of
1324	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1325	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1326	 * result by 1 to give the proper appearance to caller.
1327	 */
1328	if (adev->mode_info.crtcs[pipe]) {
1329		/* Repeat readout if needed to provide stable result if
1330		 * we cross start of vsync during the queries.
1331		 */
1332		do {
1333			count = amdgpu_display_vblank_get_counter(adev, pipe);
1334			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1335			 * vpos as distance to start of vblank, instead of
1336			 * regular vertical scanout pos.
1337			 */
1338			stat = amdgpu_display_get_crtc_scanoutpos(
1339				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1340				&vpos, &hpos, NULL, NULL,
1341				&adev->mode_info.crtcs[pipe]->base.hwmode);
1342		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1343
1344		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1345		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1346			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1347		} else {
1348			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1349				      pipe, vpos);
1350
1351			/* Bump counter if we are at >= leading edge of vblank,
1352			 * but before vsync where vpos would turn negative and
1353			 * the hw counter really increments.
1354			 */
1355			if (vpos >= 0)
1356				count++;
1357		}
1358	} else {
1359		/* Fallback to use value as is. */
1360		count = amdgpu_display_vblank_get_counter(adev, pipe);
1361		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1362	}
1363
1364	return count;
1365}
1366
1367/**
1368 * amdgpu_enable_vblank_kms - enable vblank interrupt
1369 *
1370 * @crtc: crtc to enable vblank interrupt for
 
1371 *
1372 * Enable the interrupt on the requested crtc (all asics).
1373 * Returns 0 on success, -EINVAL on failure.
1374 */
1375int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1376{
1377	struct drm_device *dev = crtc->dev;
1378	unsigned int pipe = crtc->index;
1379	struct amdgpu_device *adev = drm_to_adev(dev);
1380	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1381
1382	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1383}
1384
1385/**
1386 * amdgpu_disable_vblank_kms - disable vblank interrupt
1387 *
1388 * @crtc: crtc to disable vblank interrupt for
 
1389 *
1390 * Disable the interrupt on the requested crtc (all asics).
1391 */
1392void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1393{
1394	struct drm_device *dev = crtc->dev;
1395	unsigned int pipe = crtc->index;
1396	struct amdgpu_device *adev = drm_to_adev(dev);
1397	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1398
1399	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1400}
1401
1402/*
1403 * Debugfs info
1404 */
1405#if defined(CONFIG_DEBUG_FS)
1406
1407static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
 
 
 
 
 
 
 
 
 
 
 
1408{
1409	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
1410	struct drm_amdgpu_info_firmware fw_info;
1411	struct drm_amdgpu_query_fw query_fw;
1412	struct atom_context *ctx = adev->mode_info.atom_context;
1413	int ret, i;
1414
1415	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1416#define TA_FW_NAME(type) [TA_FW_TYPE_PSP_##type] = #type
1417		TA_FW_NAME(XGMI),
1418		TA_FW_NAME(RAS),
1419		TA_FW_NAME(HDCP),
1420		TA_FW_NAME(DTM),
1421		TA_FW_NAME(RAP),
1422		TA_FW_NAME(SECUREDISPLAY),
1423#undef TA_FW_NAME
1424	};
1425
1426	/* VCE */
1427	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1428	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1429	if (ret)
1430		return ret;
1431	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1432		   fw_info.feature, fw_info.ver);
1433
1434	/* UVD */
1435	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1436	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1437	if (ret)
1438		return ret;
1439	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1440		   fw_info.feature, fw_info.ver);
1441
1442	/* GMC */
1443	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1444	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1445	if (ret)
1446		return ret;
1447	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1448		   fw_info.feature, fw_info.ver);
1449
1450	/* ME */
1451	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1452	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1453	if (ret)
1454		return ret;
1455	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1456		   fw_info.feature, fw_info.ver);
1457
1458	/* PFP */
1459	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1460	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1461	if (ret)
1462		return ret;
1463	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1464		   fw_info.feature, fw_info.ver);
1465
1466	/* CE */
1467	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1468	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1469	if (ret)
1470		return ret;
1471	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1472		   fw_info.feature, fw_info.ver);
1473
1474	/* RLC */
1475	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1476	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1477	if (ret)
1478		return ret;
1479	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1480		   fw_info.feature, fw_info.ver);
1481
1482	/* RLC SAVE RESTORE LIST CNTL */
1483	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1484	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1485	if (ret)
1486		return ret;
1487	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1488		   fw_info.feature, fw_info.ver);
1489
1490	/* RLC SAVE RESTORE LIST GPM MEM */
1491	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1492	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1493	if (ret)
1494		return ret;
1495	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1496		   fw_info.feature, fw_info.ver);
1497
1498	/* RLC SAVE RESTORE LIST SRM MEM */
1499	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1500	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1501	if (ret)
1502		return ret;
1503	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1504		   fw_info.feature, fw_info.ver);
1505
1506	/* MEC */
1507	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1508	query_fw.index = 0;
1509	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1510	if (ret)
1511		return ret;
1512	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1513		   fw_info.feature, fw_info.ver);
1514
1515	/* MEC2 */
1516	if (adev->gfx.mec2_fw) {
1517		query_fw.index = 1;
1518		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1519		if (ret)
1520			return ret;
1521		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1522			   fw_info.feature, fw_info.ver);
1523	}
1524
1525	/* PSP SOS */
1526	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1527	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1528	if (ret)
1529		return ret;
1530	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1531		   fw_info.feature, fw_info.ver);
1532
1533
1534	/* PSP ASD */
1535	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1536	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1537	if (ret)
1538		return ret;
1539	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1540		   fw_info.feature, fw_info.ver);
1541
1542	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1543	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1544		query_fw.index = i;
1545		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1546		if (ret)
1547			continue;
1548
1549		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1550			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1551	}
1552
1553	/* SMC */
1554	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1555	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1556	if (ret)
1557		return ret;
1558	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1559		   fw_info.feature, fw_info.ver);
1560
1561	/* SDMA */
1562	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1563	for (i = 0; i < adev->sdma.num_instances; i++) {
1564		query_fw.index = i;
1565		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1566		if (ret)
1567			return ret;
1568		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1569			   i, fw_info.feature, fw_info.ver);
1570	}
1571
1572	/* VCN */
1573	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1574	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1575	if (ret)
1576		return ret;
1577	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1578		   fw_info.feature, fw_info.ver);
1579
1580	/* DMCU */
1581	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1582	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1583	if (ret)
1584		return ret;
1585	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1586		   fw_info.feature, fw_info.ver);
1587
1588	/* DMCUB */
1589	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1590	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1591	if (ret)
1592		return ret;
1593	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1594		   fw_info.feature, fw_info.ver);
1595
1596	/* TOC */
1597	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1598	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1599	if (ret)
1600		return ret;
1601	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1602		   fw_info.feature, fw_info.ver);
1603
1604	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1605
1606	return 0;
1607}
1608
1609DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1610
1611#endif
1612
1613void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1614{
1615#if defined(CONFIG_DEBUG_FS)
1616	struct drm_minor *minor = adev_to_drm(adev)->primary;
1617	struct dentry *root = minor->debugfs_root;
1618
1619	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1620			    adev, &amdgpu_debugfs_firmware_info_fops);
1621
1622#endif
1623}