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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);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
v6.2
   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 <drm/drm_fb_helper.h>
  33#include "amdgpu_uvd.h"
  34#include "amdgpu_vce.h"
  35#include "atom.h"
  36
  37#include <linux/vga_switcheroo.h>
  38#include <linux/slab.h>
  39#include <linux/uaccess.h>
  40#include <linux/pci.h>
  41#include <linux/pm_runtime.h>
  42#include "amdgpu_amdkfd.h"
  43#include "amdgpu_gem.h"
  44#include "amdgpu_display.h"
  45#include "amdgpu_ras.h"
  46
  47void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
  48{
  49	struct amdgpu_gpu_instance *gpu_instance;
  50	int i;
  51
  52	mutex_lock(&mgpu_info.mutex);
  53
  54	for (i = 0; i < mgpu_info.num_gpu; i++) {
  55		gpu_instance = &(mgpu_info.gpu_ins[i]);
  56		if (gpu_instance->adev == adev) {
  57			mgpu_info.gpu_ins[i] =
  58				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
  59			mgpu_info.num_gpu--;
  60			if (adev->flags & AMD_IS_APU)
  61				mgpu_info.num_apu--;
  62			else
  63				mgpu_info.num_dgpu--;
  64			break;
  65		}
  66	}
  67
  68	mutex_unlock(&mgpu_info.mutex);
  69}
  70
  71/**
  72 * amdgpu_driver_unload_kms - Main unload function for KMS.
  73 *
  74 * @dev: drm dev pointer
  75 *
  76 * This is the main unload function for KMS (all asics).
  77 * Returns 0 on success.
  78 */
  79void amdgpu_driver_unload_kms(struct drm_device *dev)
  80{
  81	struct amdgpu_device *adev = drm_to_adev(dev);
  82
  83	if (adev == NULL)
  84		return;
  85
  86	amdgpu_unregister_gpu_instance(adev);
 
  87
  88	if (adev->rmmio == NULL)
  89		return;
  90
  91	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
  92		DRM_WARN("smart shift update failed\n");
  93
  94	amdgpu_acpi_fini(adev);
  95	amdgpu_device_fini_hw(adev);
  96}
  97
  98void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
  99{
 100	struct amdgpu_gpu_instance *gpu_instance;
 101
 102	mutex_lock(&mgpu_info.mutex);
 103
 104	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
 105		DRM_ERROR("Cannot register more gpu instance\n");
 106		mutex_unlock(&mgpu_info.mutex);
 107		return;
 108	}
 109
 110	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
 111	gpu_instance->adev = adev;
 112	gpu_instance->mgpu_fan_enabled = 0;
 113
 114	mgpu_info.num_gpu++;
 115	if (adev->flags & AMD_IS_APU)
 116		mgpu_info.num_apu++;
 117	else
 118		mgpu_info.num_dgpu++;
 119
 120	mutex_unlock(&mgpu_info.mutex);
 121}
 122
 123/**
 124 * amdgpu_driver_load_kms - Main load function for KMS.
 125 *
 126 * @adev: pointer to struct amdgpu_device
 127 * @flags: device flags
 128 *
 129 * This is the main load function for KMS (all asics).
 130 * Returns 0 on success, error on failure.
 131 */
 132int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
 133{
 134	struct drm_device *dev;
 135	int r, acpi_status;
 136
 137	dev = adev_to_drm(adev);
 
 
 
 
 
 
 
 
 
 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, flags);
 146	if (r) {
 147		dev_err(dev->dev, "Fatal error during GPU init\n");
 148		goto out;
 149	}
 150
 151	adev->pm.rpm_mode = AMDGPU_RUNPM_NONE;
 152	if (amdgpu_device_supports_px(dev) &&
 153	    (amdgpu_runtime_pm != 0)) { /* enable PX as runtime mode */
 154		adev->pm.rpm_mode = AMDGPU_RUNPM_PX;
 155		dev_info(adev->dev, "Using ATPX for runtime pm\n");
 156	} else if (amdgpu_device_supports_boco(dev) &&
 157		   (amdgpu_runtime_pm != 0)) { /* enable boco as runtime mode */
 158		adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
 159		dev_info(adev->dev, "Using BOCO for runtime pm\n");
 160	} else if (amdgpu_device_supports_baco(dev) &&
 161		   (amdgpu_runtime_pm != 0)) {
 162		switch (adev->asic_type) {
 163		case CHIP_VEGA20:
 164		case CHIP_ARCTURUS:
 165			/* enable BACO as runpm mode if runpm=1 */
 166			if (amdgpu_runtime_pm > 0)
 167				adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
 168			break;
 169		case CHIP_VEGA10:
 170			/* enable BACO as runpm mode if noretry=0 */
 171			if (!adev->gmc.noretry)
 172				adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
 173			break;
 174		default:
 175			/* enable BACO as runpm mode on CI+ */
 176			adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
 177			break;
 178		}
 179
 180		if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO)
 181			dev_info(adev->dev, "Using BACO for runtime pm\n");
 182	}
 183
 184	/* Call ACPI methods: require modeset init
 185	 * but failure is not fatal
 186	 */
 187
 188	acpi_status = amdgpu_acpi_init(adev);
 189	if (acpi_status)
 190		dev_dbg(dev->dev, "Error during ACPI methods call\n");
 191
 192	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
 193		DRM_WARN("smart shift update failed\n");
 
 
 
 
 
 
 
 
 
 
 
 
 194
 195out:
 196	if (r)
 197		amdgpu_driver_unload_kms(dev);
 198
 
 199	return r;
 200}
 201
 202static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
 203				struct drm_amdgpu_query_fw *query_fw,
 204				struct amdgpu_device *adev)
 205{
 206	switch (query_fw->fw_type) {
 207	case AMDGPU_INFO_FW_VCE:
 208		fw_info->ver = adev->vce.fw_version;
 209		fw_info->feature = adev->vce.fb_version;
 210		break;
 211	case AMDGPU_INFO_FW_UVD:
 212		fw_info->ver = adev->uvd.fw_version;
 213		fw_info->feature = 0;
 214		break;
 215	case AMDGPU_INFO_FW_VCN:
 216		fw_info->ver = adev->vcn.fw_version;
 217		fw_info->feature = 0;
 218		break;
 219	case AMDGPU_INFO_FW_GMC:
 220		fw_info->ver = adev->gmc.fw_version;
 221		fw_info->feature = 0;
 222		break;
 223	case AMDGPU_INFO_FW_GFX_ME:
 224		fw_info->ver = adev->gfx.me_fw_version;
 225		fw_info->feature = adev->gfx.me_feature_version;
 226		break;
 227	case AMDGPU_INFO_FW_GFX_PFP:
 228		fw_info->ver = adev->gfx.pfp_fw_version;
 229		fw_info->feature = adev->gfx.pfp_feature_version;
 230		break;
 231	case AMDGPU_INFO_FW_GFX_CE:
 232		fw_info->ver = adev->gfx.ce_fw_version;
 233		fw_info->feature = adev->gfx.ce_feature_version;
 234		break;
 235	case AMDGPU_INFO_FW_GFX_RLC:
 236		fw_info->ver = adev->gfx.rlc_fw_version;
 237		fw_info->feature = adev->gfx.rlc_feature_version;
 238		break;
 239	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
 240		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
 241		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
 242		break;
 243	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
 244		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
 245		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
 246		break;
 247	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
 248		fw_info->ver = adev->gfx.rlc_srls_fw_version;
 249		fw_info->feature = adev->gfx.rlc_srls_feature_version;
 250		break;
 251	case AMDGPU_INFO_FW_GFX_RLCP:
 252		fw_info->ver = adev->gfx.rlcp_ucode_version;
 253		fw_info->feature = adev->gfx.rlcp_ucode_feature_version;
 254		break;
 255	case AMDGPU_INFO_FW_GFX_RLCV:
 256		fw_info->ver = adev->gfx.rlcv_ucode_version;
 257		fw_info->feature = adev->gfx.rlcv_ucode_feature_version;
 258		break;
 259	case AMDGPU_INFO_FW_GFX_MEC:
 260		if (query_fw->index == 0) {
 261			fw_info->ver = adev->gfx.mec_fw_version;
 262			fw_info->feature = adev->gfx.mec_feature_version;
 263		} else if (query_fw->index == 1) {
 264			fw_info->ver = adev->gfx.mec2_fw_version;
 265			fw_info->feature = adev->gfx.mec2_feature_version;
 266		} else
 267			return -EINVAL;
 268		break;
 269	case AMDGPU_INFO_FW_SMC:
 270		fw_info->ver = adev->pm.fw_version;
 271		fw_info->feature = 0;
 272		break;
 273	case AMDGPU_INFO_FW_TA:
 274		switch (query_fw->index) {
 275		case TA_FW_TYPE_PSP_XGMI:
 276			fw_info->ver = adev->psp.xgmi_context.context.bin_desc.fw_version;
 277			fw_info->feature = adev->psp.xgmi_context.context
 278						   .bin_desc.feature_version;
 279			break;
 280		case TA_FW_TYPE_PSP_RAS:
 281			fw_info->ver = adev->psp.ras_context.context.bin_desc.fw_version;
 282			fw_info->feature = adev->psp.ras_context.context
 283						   .bin_desc.feature_version;
 284			break;
 285		case TA_FW_TYPE_PSP_HDCP:
 286			fw_info->ver = adev->psp.hdcp_context.context.bin_desc.fw_version;
 287			fw_info->feature = adev->psp.hdcp_context.context
 288						   .bin_desc.feature_version;
 289			break;
 290		case TA_FW_TYPE_PSP_DTM:
 291			fw_info->ver = adev->psp.dtm_context.context.bin_desc.fw_version;
 292			fw_info->feature = adev->psp.dtm_context.context
 293						   .bin_desc.feature_version;
 294			break;
 295		case TA_FW_TYPE_PSP_RAP:
 296			fw_info->ver = adev->psp.rap_context.context.bin_desc.fw_version;
 297			fw_info->feature = adev->psp.rap_context.context
 298						   .bin_desc.feature_version;
 299			break;
 300		case TA_FW_TYPE_PSP_SECUREDISPLAY:
 301			fw_info->ver = adev->psp.securedisplay_context.context.bin_desc.fw_version;
 302			fw_info->feature =
 303				adev->psp.securedisplay_context.context.bin_desc
 304					.feature_version;
 305			break;
 306		default:
 307			return -EINVAL;
 308		}
 309		break;
 310	case AMDGPU_INFO_FW_SDMA:
 311		if (query_fw->index >= adev->sdma.num_instances)
 312			return -EINVAL;
 313		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
 314		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
 315		break;
 316	case AMDGPU_INFO_FW_SOS:
 317		fw_info->ver = adev->psp.sos.fw_version;
 318		fw_info->feature = adev->psp.sos.feature_version;
 319		break;
 320	case AMDGPU_INFO_FW_ASD:
 321		fw_info->ver = adev->psp.asd_context.bin_desc.fw_version;
 322		fw_info->feature = adev->psp.asd_context.bin_desc.feature_version;
 323		break;
 324	case AMDGPU_INFO_FW_DMCU:
 325		fw_info->ver = adev->dm.dmcu_fw_version;
 326		fw_info->feature = 0;
 327		break;
 328	case AMDGPU_INFO_FW_DMCUB:
 329		fw_info->ver = adev->dm.dmcub_fw_version;
 330		fw_info->feature = 0;
 331		break;
 332	case AMDGPU_INFO_FW_TOC:
 333		fw_info->ver = adev->psp.toc.fw_version;
 334		fw_info->feature = adev->psp.toc.feature_version;
 335		break;
 336	case AMDGPU_INFO_FW_CAP:
 337		fw_info->ver = adev->psp.cap_fw_version;
 338		fw_info->feature = adev->psp.cap_feature_version;
 339		break;
 340	case AMDGPU_INFO_FW_MES_KIQ:
 341		fw_info->ver = adev->mes.kiq_version & AMDGPU_MES_VERSION_MASK;
 342		fw_info->feature = (adev->mes.kiq_version & AMDGPU_MES_FEAT_VERSION_MASK)
 343					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
 344		break;
 345	case AMDGPU_INFO_FW_MES:
 346		fw_info->ver = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;
 347		fw_info->feature = (adev->mes.sched_version & AMDGPU_MES_FEAT_VERSION_MASK)
 348					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
 349		break;
 350	case AMDGPU_INFO_FW_IMU:
 351		fw_info->ver = adev->gfx.imu_fw_version;
 352		fw_info->feature = 0;
 353		break;
 354	default:
 355		return -EINVAL;
 356	}
 357	return 0;
 358}
 359
 360static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
 361			     struct drm_amdgpu_info *info,
 362			     struct drm_amdgpu_info_hw_ip *result)
 363{
 364	uint32_t ib_start_alignment = 0;
 365	uint32_t ib_size_alignment = 0;
 366	enum amd_ip_block_type type;
 367	unsigned int num_rings = 0;
 368	unsigned int i, j;
 369
 370	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 371		return -EINVAL;
 372
 373	switch (info->query_hw_ip.type) {
 374	case AMDGPU_HW_IP_GFX:
 375		type = AMD_IP_BLOCK_TYPE_GFX;
 376		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
 377			if (adev->gfx.gfx_ring[i].sched.ready)
 378				++num_rings;
 379		ib_start_alignment = 32;
 380		ib_size_alignment = 32;
 381		break;
 382	case AMDGPU_HW_IP_COMPUTE:
 383		type = AMD_IP_BLOCK_TYPE_GFX;
 384		for (i = 0; i < adev->gfx.num_compute_rings; i++)
 385			if (adev->gfx.compute_ring[i].sched.ready)
 386				++num_rings;
 387		ib_start_alignment = 32;
 388		ib_size_alignment = 32;
 389		break;
 390	case AMDGPU_HW_IP_DMA:
 391		type = AMD_IP_BLOCK_TYPE_SDMA;
 392		for (i = 0; i < adev->sdma.num_instances; i++)
 393			if (adev->sdma.instance[i].ring.sched.ready)
 394				++num_rings;
 395		ib_start_alignment = 256;
 396		ib_size_alignment = 4;
 397		break;
 398	case AMDGPU_HW_IP_UVD:
 399		type = AMD_IP_BLOCK_TYPE_UVD;
 400		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 401			if (adev->uvd.harvest_config & (1 << i))
 402				continue;
 403
 404			if (adev->uvd.inst[i].ring.sched.ready)
 405				++num_rings;
 406		}
 407		ib_start_alignment = 64;
 408		ib_size_alignment = 64;
 409		break;
 410	case AMDGPU_HW_IP_VCE:
 411		type = AMD_IP_BLOCK_TYPE_VCE;
 412		for (i = 0; i < adev->vce.num_rings; i++)
 413			if (adev->vce.ring[i].sched.ready)
 414				++num_rings;
 415		ib_start_alignment = 4;
 416		ib_size_alignment = 1;
 417		break;
 418	case AMDGPU_HW_IP_UVD_ENC:
 419		type = AMD_IP_BLOCK_TYPE_UVD;
 420		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 421			if (adev->uvd.harvest_config & (1 << i))
 422				continue;
 423
 424			for (j = 0; j < adev->uvd.num_enc_rings; j++)
 425				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
 426					++num_rings;
 427		}
 428		ib_start_alignment = 64;
 429		ib_size_alignment = 64;
 430		break;
 431	case AMDGPU_HW_IP_VCN_DEC:
 432		type = AMD_IP_BLOCK_TYPE_VCN;
 433		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 434			if (adev->vcn.harvest_config & (1 << i))
 435				continue;
 436
 437			if (adev->vcn.inst[i].ring_dec.sched.ready)
 438				++num_rings;
 439		}
 440		ib_start_alignment = 16;
 441		ib_size_alignment = 16;
 442		break;
 443	case AMDGPU_HW_IP_VCN_ENC:
 444		type = AMD_IP_BLOCK_TYPE_VCN;
 445		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 446			if (adev->vcn.harvest_config & (1 << i))
 447				continue;
 448
 449			for (j = 0; j < adev->vcn.num_enc_rings; j++)
 450				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
 451					++num_rings;
 452		}
 453		ib_start_alignment = 64;
 454		ib_size_alignment = 1;
 455		break;
 456	case AMDGPU_HW_IP_VCN_JPEG:
 457		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
 458			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
 459
 460		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
 461			if (adev->jpeg.harvest_config & (1 << i))
 462				continue;
 463
 464			if (adev->jpeg.inst[i].ring_dec.sched.ready)
 465				++num_rings;
 466		}
 467		ib_start_alignment = 16;
 468		ib_size_alignment = 16;
 469		break;
 470	default:
 471		return -EINVAL;
 472	}
 473
 474	for (i = 0; i < adev->num_ip_blocks; i++)
 475		if (adev->ip_blocks[i].version->type == type &&
 476		    adev->ip_blocks[i].status.valid)
 477			break;
 478
 479	if (i == adev->num_ip_blocks)
 480		return 0;
 481
 482	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
 483			num_rings);
 484
 485	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
 486	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
 487
 488	if (adev->asic_type >= CHIP_VEGA10) {
 489		switch (type) {
 490		case AMD_IP_BLOCK_TYPE_GFX:
 491			result->ip_discovery_version = adev->ip_versions[GC_HWIP][0];
 492			break;
 493		case AMD_IP_BLOCK_TYPE_SDMA:
 494			result->ip_discovery_version = adev->ip_versions[SDMA0_HWIP][0];
 495			break;
 496		case AMD_IP_BLOCK_TYPE_UVD:
 497		case AMD_IP_BLOCK_TYPE_VCN:
 498		case AMD_IP_BLOCK_TYPE_JPEG:
 499			result->ip_discovery_version = adev->ip_versions[UVD_HWIP][0];
 500			break;
 501		case AMD_IP_BLOCK_TYPE_VCE:
 502			result->ip_discovery_version = adev->ip_versions[VCE_HWIP][0];
 503			break;
 504		default:
 505			result->ip_discovery_version = 0;
 506			break;
 507		}
 508	} else {
 509		result->ip_discovery_version = 0;
 510	}
 511	result->capabilities_flags = 0;
 512	result->available_rings = (1 << num_rings) - 1;
 513	result->ib_start_alignment = ib_start_alignment;
 514	result->ib_size_alignment = ib_size_alignment;
 515	return 0;
 516}
 517
 518/*
 519 * Userspace get information ioctl
 520 */
 521/**
 522 * amdgpu_info_ioctl - answer a device specific request.
 523 *
 524 * @dev: drm device pointer
 525 * @data: request object
 526 * @filp: drm filp
 527 *
 528 * This function is used to pass device specific parameters to the userspace
 529 * drivers.  Examples include: pci device id, pipeline parms, tiling params,
 530 * etc. (all asics).
 531 * Returns 0 on success, -EINVAL on failure.
 532 */
 533int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 534{
 535	struct amdgpu_device *adev = drm_to_adev(dev);
 536	struct drm_amdgpu_info *info = data;
 537	struct amdgpu_mode_info *minfo = &adev->mode_info;
 538	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
 539	uint32_t size = info->return_size;
 540	struct drm_crtc *crtc;
 541	uint32_t ui32 = 0;
 542	uint64_t ui64 = 0;
 543	int i, found;
 544	int ui32_size = sizeof(ui32);
 545
 546	if (!info->return_size || !info->return_pointer)
 547		return -EINVAL;
 548
 549	switch (info->query) {
 550	case AMDGPU_INFO_ACCEL_WORKING:
 551		ui32 = adev->accel_working;
 552		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 553	case AMDGPU_INFO_CRTC_FROM_ID:
 554		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
 555			crtc = (struct drm_crtc *)minfo->crtcs[i];
 556			if (crtc && crtc->base.id == info->mode_crtc.id) {
 557				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 558				ui32 = amdgpu_crtc->crtc_id;
 559				found = 1;
 560				break;
 561			}
 562		}
 563		if (!found) {
 564			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
 565			return -EINVAL;
 566		}
 567		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 568	case AMDGPU_INFO_HW_IP_INFO: {
 569		struct drm_amdgpu_info_hw_ip ip = {};
 570		int ret;
 
 
 
 571
 572		ret = amdgpu_hw_ip_info(adev, info, &ip);
 573		if (ret)
 574			return ret;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 575
 576		ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
 577		return ret ? -EFAULT : 0;
 
 
 
 
 
 
 
 
 
 
 
 
 578	}
 579	case AMDGPU_INFO_HW_IP_COUNT: {
 580		enum amd_ip_block_type type;
 581		uint32_t count = 0;
 582
 583		switch (info->query_hw_ip.type) {
 584		case AMDGPU_HW_IP_GFX:
 585			type = AMD_IP_BLOCK_TYPE_GFX;
 586			break;
 587		case AMDGPU_HW_IP_COMPUTE:
 588			type = AMD_IP_BLOCK_TYPE_GFX;
 589			break;
 590		case AMDGPU_HW_IP_DMA:
 591			type = AMD_IP_BLOCK_TYPE_SDMA;
 592			break;
 593		case AMDGPU_HW_IP_UVD:
 594			type = AMD_IP_BLOCK_TYPE_UVD;
 595			break;
 596		case AMDGPU_HW_IP_VCE:
 597			type = AMD_IP_BLOCK_TYPE_VCE;
 598			break;
 599		case AMDGPU_HW_IP_UVD_ENC:
 600			type = AMD_IP_BLOCK_TYPE_UVD;
 601			break;
 602		case AMDGPU_HW_IP_VCN_DEC:
 603		case AMDGPU_HW_IP_VCN_ENC:
 604			type = AMD_IP_BLOCK_TYPE_VCN;
 605			break;
 606		case AMDGPU_HW_IP_VCN_JPEG:
 607			type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
 608				AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
 609			break;
 610		default:
 611			return -EINVAL;
 612		}
 613
 614		for (i = 0; i < adev->num_ip_blocks; i++)
 615			if (adev->ip_blocks[i].version->type == type &&
 616			    adev->ip_blocks[i].status.valid &&
 617			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 618				count++;
 619
 620		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
 621	}
 622	case AMDGPU_INFO_TIMESTAMP:
 623		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
 624		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 625	case AMDGPU_INFO_FW_VERSION: {
 626		struct drm_amdgpu_info_firmware fw_info;
 627		int ret;
 628
 629		/* We only support one instance of each IP block right now. */
 630		if (info->query_fw.ip_instance != 0)
 631			return -EINVAL;
 632
 633		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
 634		if (ret)
 635			return ret;
 636
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 637		return copy_to_user(out, &fw_info,
 638				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
 639	}
 640	case AMDGPU_INFO_NUM_BYTES_MOVED:
 641		ui64 = atomic64_read(&adev->num_bytes_moved);
 642		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 643	case AMDGPU_INFO_NUM_EVICTIONS:
 644		ui64 = atomic64_read(&adev->num_evictions);
 645		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 646	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
 647		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
 648		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 649	case AMDGPU_INFO_VRAM_USAGE:
 650		ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
 651		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 652	case AMDGPU_INFO_VIS_VRAM_USAGE:
 653		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
 654		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 655	case AMDGPU_INFO_GTT_USAGE:
 656		ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
 657		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 658	case AMDGPU_INFO_GDS_CONFIG: {
 659		struct drm_amdgpu_info_gds gds_info;
 660
 661		memset(&gds_info, 0, sizeof(gds_info));
 662		gds_info.compute_partition_size = adev->gds.gds_size;
 663		gds_info.gds_total_size = adev->gds.gds_size;
 664		gds_info.gws_per_compute_partition = adev->gds.gws_size;
 665		gds_info.oa_per_compute_partition = adev->gds.oa_size;
 
 
 
 666		return copy_to_user(out, &gds_info,
 667				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
 668	}
 669	case AMDGPU_INFO_VRAM_GTT: {
 670		struct drm_amdgpu_info_vram_gtt vram_gtt;
 671
 672		vram_gtt.vram_size = adev->gmc.real_vram_size -
 673			atomic64_read(&adev->vram_pin_size) -
 674			AMDGPU_VM_RESERVED_VRAM;
 675		vram_gtt.vram_cpu_accessible_size =
 676			min(adev->gmc.visible_vram_size -
 677			    atomic64_read(&adev->visible_pin_size),
 678			    vram_gtt.vram_size);
 679		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
 680		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
 681		return copy_to_user(out, &vram_gtt,
 682				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
 683	}
 684	case AMDGPU_INFO_MEMORY: {
 685		struct drm_amdgpu_memory_info mem;
 686		struct ttm_resource_manager *gtt_man =
 687			&adev->mman.gtt_mgr.manager;
 688		struct ttm_resource_manager *vram_man =
 689			&adev->mman.vram_mgr.manager;
 690
 691		memset(&mem, 0, sizeof(mem));
 692		mem.vram.total_heap_size = adev->gmc.real_vram_size;
 693		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
 694			atomic64_read(&adev->vram_pin_size) -
 695			AMDGPU_VM_RESERVED_VRAM;
 696		mem.vram.heap_usage =
 697			ttm_resource_manager_usage(vram_man);
 698		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
 699
 700		mem.cpu_accessible_vram.total_heap_size =
 701			adev->gmc.visible_vram_size;
 702		mem.cpu_accessible_vram.usable_heap_size =
 703			min(adev->gmc.visible_vram_size -
 704			    atomic64_read(&adev->visible_pin_size),
 705			    mem.vram.usable_heap_size);
 706		mem.cpu_accessible_vram.heap_usage =
 707			amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
 708		mem.cpu_accessible_vram.max_allocation =
 709			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
 710
 711		mem.gtt.total_heap_size = gtt_man->size;
 712		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
 713			atomic64_read(&adev->gart_pin_size);
 714		mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
 715		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
 716
 717		return copy_to_user(out, &mem,
 718				    min((size_t)size, sizeof(mem)))
 719				    ? -EFAULT : 0;
 720	}
 721	case AMDGPU_INFO_READ_MMR_REG: {
 722		unsigned n, alloc_size;
 723		uint32_t *regs;
 724		unsigned se_num = (info->read_mmr_reg.instance >>
 725				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
 726				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
 727		unsigned sh_num = (info->read_mmr_reg.instance >>
 728				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
 729				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
 730
 731		/* set full masks if the userspace set all bits
 732		 * in the bitfields */
 733		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
 734			se_num = 0xffffffff;
 735		else if (se_num >= AMDGPU_GFX_MAX_SE)
 736			return -EINVAL;
 737		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
 738			sh_num = 0xffffffff;
 739		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
 740			return -EINVAL;
 741
 742		if (info->read_mmr_reg.count > 128)
 743			return -EINVAL;
 744
 745		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
 746		if (!regs)
 747			return -ENOMEM;
 748		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
 749
 750		amdgpu_gfx_off_ctrl(adev, false);
 751		for (i = 0; i < info->read_mmr_reg.count; i++) {
 752			if (amdgpu_asic_read_register(adev, se_num, sh_num,
 753						      info->read_mmr_reg.dword_offset + i,
 754						      &regs[i])) {
 755				DRM_DEBUG_KMS("unallowed offset %#x\n",
 756					      info->read_mmr_reg.dword_offset + i);
 757				kfree(regs);
 758				amdgpu_gfx_off_ctrl(adev, true);
 759				return -EFAULT;
 760			}
 761		}
 762		amdgpu_gfx_off_ctrl(adev, true);
 763		n = copy_to_user(out, regs, min(size, alloc_size));
 764		kfree(regs);
 765		return n ? -EFAULT : 0;
 766	}
 767	case AMDGPU_INFO_DEV_INFO: {
 768		struct drm_amdgpu_info_device *dev_info;
 769		uint64_t vm_size;
 770		int ret;
 771
 772		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
 773		if (!dev_info)
 774			return -ENOMEM;
 775
 776		dev_info->device_id = adev->pdev->device;
 777		dev_info->chip_rev = adev->rev_id;
 778		dev_info->external_rev = adev->external_rev_id;
 779		dev_info->pci_rev = adev->pdev->revision;
 780		dev_info->family = adev->family;
 781		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
 782		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
 783		/* return all clocks in KHz */
 784		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
 785		if (adev->pm.dpm_enabled) {
 786			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
 787			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
 
 
 788		} else {
 789			dev_info->max_engine_clock = adev->clock.default_sclk * 10;
 790			dev_info->max_memory_clock = adev->clock.default_mclk * 10;
 791		}
 792		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
 793		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
 794			adev->gfx.config.max_shader_engines;
 795		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
 796		dev_info->_pad = 0;
 797		dev_info->ids_flags = 0;
 798		if (adev->flags & AMD_IS_APU)
 799			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
 800		if (amdgpu_mcbp)
 801			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
 802		if (amdgpu_is_tmz(adev))
 803			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
 804
 805		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
 806		vm_size -= AMDGPU_VA_RESERVED_SIZE;
 807
 808		/* Older VCE FW versions are buggy and can handle only 40bits */
 809		if (adev->vce.fw_version &&
 810		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
 811			vm_size = min(vm_size, 1ULL << 40);
 812
 813		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
 814		dev_info->virtual_address_max =
 815			min(vm_size, AMDGPU_GMC_HOLE_START);
 816
 817		if (vm_size > AMDGPU_GMC_HOLE_START) {
 818			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
 819			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
 820		}
 821		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 822		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
 823		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 824		dev_info->cu_active_number = adev->gfx.cu_info.number;
 825		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
 826		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
 827		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
 828		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
 829		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
 830		       sizeof(adev->gfx.cu_info.bitmap));
 831		dev_info->vram_type = adev->gmc.vram_type;
 832		dev_info->vram_bit_width = adev->gmc.vram_width;
 833		dev_info->vce_harvest_config = adev->vce.harvest_config;
 834		dev_info->gc_double_offchip_lds_buf =
 835			adev->gfx.config.double_offchip_lds_buf;
 836		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
 837		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
 838		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
 839		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
 840		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
 841		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
 842		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
 843
 844		if (adev->family >= AMDGPU_FAMILY_NV)
 845			dev_info->pa_sc_tile_steering_override =
 846				adev->gfx.config.pa_sc_tile_steering_override;
 847
 848		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
 849
 850		ret = copy_to_user(out, dev_info,
 851				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
 852		kfree(dev_info);
 853		return ret;
 854	}
 855	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
 856		unsigned i;
 857		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
 858		struct amd_vce_state *vce_state;
 859
 860		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
 861			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
 862			if (vce_state) {
 863				vce_clk_table.entries[i].sclk = vce_state->sclk;
 864				vce_clk_table.entries[i].mclk = vce_state->mclk;
 865				vce_clk_table.entries[i].eclk = vce_state->evclk;
 866				vce_clk_table.num_valid_entries++;
 867			}
 868		}
 869
 870		return copy_to_user(out, &vce_clk_table,
 871				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
 872	}
 873	case AMDGPU_INFO_VBIOS: {
 874		uint32_t bios_size = adev->bios_size;
 875
 876		switch (info->vbios_info.type) {
 877		case AMDGPU_INFO_VBIOS_SIZE:
 878			return copy_to_user(out, &bios_size,
 879					min((size_t)size, sizeof(bios_size)))
 880					? -EFAULT : 0;
 881		case AMDGPU_INFO_VBIOS_IMAGE: {
 882			uint8_t *bios;
 883			uint32_t bios_offset = info->vbios_info.offset;
 884
 885			if (bios_offset >= bios_size)
 886				return -EINVAL;
 887
 888			bios = adev->bios + bios_offset;
 889			return copy_to_user(out, bios,
 890					    min((size_t)size, (size_t)(bios_size - bios_offset)))
 891					? -EFAULT : 0;
 892		}
 893		case AMDGPU_INFO_VBIOS_INFO: {
 894			struct drm_amdgpu_info_vbios vbios_info = {};
 895			struct atom_context *atom_context;
 896
 897			atom_context = adev->mode_info.atom_context;
 898			memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
 899			memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
 900			vbios_info.version = atom_context->version;
 901			memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
 902						sizeof(atom_context->vbios_ver_str));
 903			memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
 904
 905			return copy_to_user(out, &vbios_info,
 906						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
 907		}
 908		default:
 909			DRM_DEBUG_KMS("Invalid request %d\n",
 910					info->vbios_info.type);
 911			return -EINVAL;
 912		}
 913	}
 914	case AMDGPU_INFO_NUM_HANDLES: {
 915		struct drm_amdgpu_info_num_handles handle;
 916
 917		switch (info->query_hw_ip.type) {
 918		case AMDGPU_HW_IP_UVD:
 919			/* Starting Polaris, we support unlimited UVD handles */
 920			if (adev->asic_type < CHIP_POLARIS10) {
 921				handle.uvd_max_handles = adev->uvd.max_handles;
 922				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
 923
 924				return copy_to_user(out, &handle,
 925					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
 926			} else {
 927				return -ENODATA;
 928			}
 929
 930			break;
 931		default:
 932			return -EINVAL;
 933		}
 934	}
 935	case AMDGPU_INFO_SENSOR: {
 936		if (!adev->pm.dpm_enabled)
 937			return -ENOENT;
 938
 939		switch (info->sensor_info.type) {
 940		case AMDGPU_INFO_SENSOR_GFX_SCLK:
 941			/* get sclk in Mhz */
 942			if (amdgpu_dpm_read_sensor(adev,
 943						   AMDGPU_PP_SENSOR_GFX_SCLK,
 944						   (void *)&ui32, &ui32_size)) {
 945				return -EINVAL;
 946			}
 947			ui32 /= 100;
 948			break;
 949		case AMDGPU_INFO_SENSOR_GFX_MCLK:
 950			/* get mclk in Mhz */
 951			if (amdgpu_dpm_read_sensor(adev,
 952						   AMDGPU_PP_SENSOR_GFX_MCLK,
 953						   (void *)&ui32, &ui32_size)) {
 954				return -EINVAL;
 955			}
 956			ui32 /= 100;
 957			break;
 958		case AMDGPU_INFO_SENSOR_GPU_TEMP:
 959			/* get temperature in millidegrees C */
 960			if (amdgpu_dpm_read_sensor(adev,
 961						   AMDGPU_PP_SENSOR_GPU_TEMP,
 962						   (void *)&ui32, &ui32_size)) {
 963				return -EINVAL;
 964			}
 965			break;
 966		case AMDGPU_INFO_SENSOR_GPU_LOAD:
 967			/* get GPU load */
 968			if (amdgpu_dpm_read_sensor(adev,
 969						   AMDGPU_PP_SENSOR_GPU_LOAD,
 970						   (void *)&ui32, &ui32_size)) {
 971				return -EINVAL;
 972			}
 973			break;
 974		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
 975			/* get average GPU power */
 976			if (amdgpu_dpm_read_sensor(adev,
 977						   AMDGPU_PP_SENSOR_GPU_POWER,
 978						   (void *)&ui32, &ui32_size)) {
 979				return -EINVAL;
 980			}
 981			ui32 >>= 8;
 982			break;
 983		case AMDGPU_INFO_SENSOR_VDDNB:
 984			/* get VDDNB in millivolts */
 985			if (amdgpu_dpm_read_sensor(adev,
 986						   AMDGPU_PP_SENSOR_VDDNB,
 987						   (void *)&ui32, &ui32_size)) {
 988				return -EINVAL;
 989			}
 990			break;
 991		case AMDGPU_INFO_SENSOR_VDDGFX:
 992			/* get VDDGFX in millivolts */
 993			if (amdgpu_dpm_read_sensor(adev,
 994						   AMDGPU_PP_SENSOR_VDDGFX,
 995						   (void *)&ui32, &ui32_size)) {
 996				return -EINVAL;
 997			}
 998			break;
 999		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1000			/* get stable pstate sclk in Mhz */
1001			if (amdgpu_dpm_read_sensor(adev,
1002						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1003						   (void *)&ui32, &ui32_size)) {
1004				return -EINVAL;
1005			}
1006			ui32 /= 100;
1007			break;
1008		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1009			/* get stable pstate mclk in Mhz */
1010			if (amdgpu_dpm_read_sensor(adev,
1011						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1012						   (void *)&ui32, &ui32_size)) {
1013				return -EINVAL;
1014			}
1015			ui32 /= 100;
1016			break;
1017		default:
1018			DRM_DEBUG_KMS("Invalid request %d\n",
1019				      info->sensor_info.type);
1020			return -EINVAL;
1021		}
1022		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1023	}
1024	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1025		ui32 = atomic_read(&adev->vram_lost_counter);
1026		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1027	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1028		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1029		uint64_t ras_mask;
1030
1031		if (!ras)
1032			return -EINVAL;
1033		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1034
1035		return copy_to_user(out, &ras_mask,
1036				min_t(u64, size, sizeof(ras_mask))) ?
1037			-EFAULT : 0;
1038	}
1039	case AMDGPU_INFO_VIDEO_CAPS: {
1040		const struct amdgpu_video_codecs *codecs;
1041		struct drm_amdgpu_info_video_caps *caps;
1042		int r;
1043
1044		switch (info->video_cap.type) {
1045		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1046			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1047			if (r)
1048				return -EINVAL;
1049			break;
1050		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1051			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1052			if (r)
1053				return -EINVAL;
1054			break;
1055		default:
1056			DRM_DEBUG_KMS("Invalid request %d\n",
1057				      info->video_cap.type);
1058			return -EINVAL;
1059		}
1060
1061		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1062		if (!caps)
1063			return -ENOMEM;
1064
1065		for (i = 0; i < codecs->codec_count; i++) {
1066			int idx = codecs->codec_array[i].codec_type;
1067
1068			switch (idx) {
1069			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1070			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1071			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1072			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1073			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1074			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1075			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1076			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1077				caps->codec_info[idx].valid = 1;
1078				caps->codec_info[idx].max_width =
1079					codecs->codec_array[i].max_width;
1080				caps->codec_info[idx].max_height =
1081					codecs->codec_array[i].max_height;
1082				caps->codec_info[idx].max_pixels_per_frame =
1083					codecs->codec_array[i].max_pixels_per_frame;
1084				caps->codec_info[idx].max_level =
1085					codecs->codec_array[i].max_level;
1086				break;
1087			default:
1088				break;
1089			}
1090		}
1091		r = copy_to_user(out, caps,
1092				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1093		kfree(caps);
1094		return r;
1095	}
1096	default:
1097		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1098		return -EINVAL;
1099	}
1100	return 0;
1101}
1102
1103
1104/*
1105 * Outdated mess for old drm with Xorg being in charge (void function now).
1106 */
1107/**
1108 * amdgpu_driver_lastclose_kms - drm callback for last close
1109 *
1110 * @dev: drm dev pointer
1111 *
1112 * Switch vga_switcheroo state after last close (all asics).
1113 */
1114void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1115{
1116	drm_fb_helper_lastclose(dev);
 
 
1117	vga_switcheroo_process_delayed_switch();
1118}
1119
1120/**
1121 * amdgpu_driver_open_kms - drm callback for open
1122 *
1123 * @dev: drm dev pointer
1124 * @file_priv: drm file
1125 *
1126 * On device open, init vm on cayman+ (all asics).
1127 * Returns 0 on success, error on failure.
1128 */
1129int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1130{
1131	struct amdgpu_device *adev = drm_to_adev(dev);
1132	struct amdgpu_fpriv *fpriv;
1133	int r, pasid;
1134
1135	/* Ensure IB tests are run on ring */
1136	flush_delayed_work(&adev->delayed_init_work);
1137
1138
1139	if (amdgpu_ras_intr_triggered()) {
1140		DRM_ERROR("RAS Intr triggered, device disabled!!");
1141		return -EHWPOISON;
1142	}
1143
1144	file_priv->driver_priv = NULL;
1145
1146	r = pm_runtime_get_sync(dev->dev);
1147	if (r < 0)
1148		goto pm_put;
1149
1150	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1151	if (unlikely(!fpriv)) {
1152		r = -ENOMEM;
1153		goto out_suspend;
1154	}
1155
1156	pasid = amdgpu_pasid_alloc(16);
1157	if (pasid < 0) {
1158		dev_warn(adev->dev, "No more PASIDs available!");
1159		pasid = 0;
1160	}
1161
1162	r = amdgpu_vm_init(adev, &fpriv->vm);
1163	if (r)
1164		goto error_pasid;
1165
1166	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1167	if (r)
1168		goto error_vm;
1169
1170	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1171	if (!fpriv->prt_va) {
1172		r = -ENOMEM;
1173		goto error_vm;
1174	}
1175
1176	if (amdgpu_mcbp) {
1177		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1178
1179		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1180						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1181		if (r)
1182			goto error_vm;
1183	}
1184
1185	mutex_init(&fpriv->bo_list_lock);
1186	idr_init_base(&fpriv->bo_list_handles, 1);
1187
1188	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
1189
1190	file_priv->driver_priv = fpriv;
1191	goto out_suspend;
1192
1193error_vm:
1194	amdgpu_vm_fini(adev, &fpriv->vm);
1195
1196error_pasid:
1197	if (pasid) {
1198		amdgpu_pasid_free(pasid);
1199		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1200	}
1201
 
1202	kfree(fpriv);
1203
1204out_suspend:
1205	pm_runtime_mark_last_busy(dev->dev);
1206pm_put:
1207	pm_runtime_put_autosuspend(dev->dev);
1208
1209	return r;
1210}
1211
1212/**
1213 * amdgpu_driver_postclose_kms - drm callback for post close
1214 *
1215 * @dev: drm dev pointer
1216 * @file_priv: drm file
1217 *
1218 * On device post close, tear down vm on cayman+ (all asics).
1219 */
1220void amdgpu_driver_postclose_kms(struct drm_device *dev,
1221				 struct drm_file *file_priv)
1222{
1223	struct amdgpu_device *adev = drm_to_adev(dev);
1224	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1225	struct amdgpu_bo_list *list;
1226	struct amdgpu_bo *pd;
1227	u32 pasid;
1228	int handle;
1229
1230	if (!fpriv)
1231		return;
1232
1233	pm_runtime_get_sync(dev->dev);
1234
1235	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1236		amdgpu_uvd_free_handles(adev, file_priv);
1237	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1238		amdgpu_vce_free_handles(adev, file_priv);
1239
1240	if (amdgpu_mcbp) {
1241		/* TODO: how to handle reserve failure */
1242		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1243		amdgpu_vm_bo_del(adev, fpriv->csa_va);
1244		fpriv->csa_va = NULL;
1245		amdgpu_bo_unreserve(adev->virt.csa_obj);
1246	}
1247
1248	pasid = fpriv->vm.pasid;
1249	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1250	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1251		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1252		amdgpu_bo_unreserve(pd);
1253	}
1254
1255	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1256	amdgpu_vm_fini(adev, &fpriv->vm);
1257
1258	if (pasid)
1259		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1260	amdgpu_bo_unref(&pd);
1261
1262	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1263		amdgpu_bo_list_put(list);
1264
1265	idr_destroy(&fpriv->bo_list_handles);
1266	mutex_destroy(&fpriv->bo_list_lock);
1267
1268	kfree(fpriv);
1269	file_priv->driver_priv = NULL;
1270
1271	pm_runtime_mark_last_busy(dev->dev);
1272	pm_runtime_put_autosuspend(dev->dev);
1273}
1274
1275
1276void amdgpu_driver_release_kms(struct drm_device *dev)
 
 
 
 
 
 
 
 
 
1277{
1278	struct amdgpu_device *adev = drm_to_adev(dev);
1279
1280	amdgpu_device_fini_sw(adev);
1281	pci_set_drvdata(adev->pdev, NULL);
1282}
1283
1284/*
1285 * VBlank related functions.
1286 */
1287/**
1288 * amdgpu_get_vblank_counter_kms - get frame count
1289 *
1290 * @crtc: crtc to get the frame count from
 
1291 *
1292 * Gets the frame count on the requested crtc (all asics).
1293 * Returns frame count on success, -EINVAL on failure.
1294 */
1295u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1296{
1297	struct drm_device *dev = crtc->dev;
1298	unsigned int pipe = crtc->index;
1299	struct amdgpu_device *adev = drm_to_adev(dev);
1300	int vpos, hpos, stat;
1301	u32 count;
1302
1303	if (pipe >= adev->mode_info.num_crtc) {
1304		DRM_ERROR("Invalid crtc %u\n", pipe);
1305		return -EINVAL;
1306	}
1307
1308	/* The hw increments its frame counter at start of vsync, not at start
1309	 * of vblank, as is required by DRM core vblank counter handling.
1310	 * Cook the hw count here to make it appear to the caller as if it
1311	 * incremented at start of vblank. We measure distance to start of
1312	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1313	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1314	 * result by 1 to give the proper appearance to caller.
1315	 */
1316	if (adev->mode_info.crtcs[pipe]) {
1317		/* Repeat readout if needed to provide stable result if
1318		 * we cross start of vsync during the queries.
1319		 */
1320		do {
1321			count = amdgpu_display_vblank_get_counter(adev, pipe);
1322			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1323			 * vpos as distance to start of vblank, instead of
1324			 * regular vertical scanout pos.
1325			 */
1326			stat = amdgpu_display_get_crtc_scanoutpos(
1327				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1328				&vpos, &hpos, NULL, NULL,
1329				&adev->mode_info.crtcs[pipe]->base.hwmode);
1330		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1331
1332		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1333		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1334			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1335		} else {
1336			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1337				      pipe, vpos);
1338
1339			/* Bump counter if we are at >= leading edge of vblank,
1340			 * but before vsync where vpos would turn negative and
1341			 * the hw counter really increments.
1342			 */
1343			if (vpos >= 0)
1344				count++;
1345		}
1346	} else {
1347		/* Fallback to use value as is. */
1348		count = amdgpu_display_vblank_get_counter(adev, pipe);
1349		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1350	}
1351
1352	return count;
1353}
1354
1355/**
1356 * amdgpu_enable_vblank_kms - enable vblank interrupt
1357 *
1358 * @crtc: crtc to enable vblank interrupt for
 
1359 *
1360 * Enable the interrupt on the requested crtc (all asics).
1361 * Returns 0 on success, -EINVAL on failure.
1362 */
1363int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1364{
1365	struct drm_device *dev = crtc->dev;
1366	unsigned int pipe = crtc->index;
1367	struct amdgpu_device *adev = drm_to_adev(dev);
1368	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1369
1370	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1371}
1372
1373/**
1374 * amdgpu_disable_vblank_kms - disable vblank interrupt
1375 *
1376 * @crtc: crtc to disable vblank interrupt for
 
1377 *
1378 * Disable the interrupt on the requested crtc (all asics).
1379 */
1380void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1381{
1382	struct drm_device *dev = crtc->dev;
1383	unsigned int pipe = crtc->index;
1384	struct amdgpu_device *adev = drm_to_adev(dev);
1385	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1386
1387	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1388}
1389
1390/*
1391 * Debugfs info
1392 */
1393#if defined(CONFIG_DEBUG_FS)
1394
1395static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
 
 
 
 
 
 
 
 
 
 
 
1396{
1397	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
1398	struct drm_amdgpu_info_firmware fw_info;
1399	struct drm_amdgpu_query_fw query_fw;
1400	struct atom_context *ctx = adev->mode_info.atom_context;
1401	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1402	int ret, i;
1403
1404	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1405#define TA_FW_NAME(type) [TA_FW_TYPE_PSP_##type] = #type
1406		TA_FW_NAME(XGMI),
1407		TA_FW_NAME(RAS),
1408		TA_FW_NAME(HDCP),
1409		TA_FW_NAME(DTM),
1410		TA_FW_NAME(RAP),
1411		TA_FW_NAME(SECUREDISPLAY),
1412#undef TA_FW_NAME
1413	};
1414
1415	/* VCE */
1416	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1417	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1418	if (ret)
1419		return ret;
1420	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1421		   fw_info.feature, fw_info.ver);
1422
1423	/* UVD */
1424	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1425	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1426	if (ret)
1427		return ret;
1428	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1429		   fw_info.feature, fw_info.ver);
1430
1431	/* GMC */
1432	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1433	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1434	if (ret)
1435		return ret;
1436	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1437		   fw_info.feature, fw_info.ver);
1438
1439	/* ME */
1440	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1441	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1442	if (ret)
1443		return ret;
1444	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1445		   fw_info.feature, fw_info.ver);
1446
1447	/* PFP */
1448	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1449	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1450	if (ret)
1451		return ret;
1452	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1453		   fw_info.feature, fw_info.ver);
1454
1455	/* CE */
1456	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1457	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1458	if (ret)
1459		return ret;
1460	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1461		   fw_info.feature, fw_info.ver);
1462
1463	/* RLC */
1464	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1465	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1466	if (ret)
1467		return ret;
1468	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1469		   fw_info.feature, fw_info.ver);
1470
1471	/* RLC SAVE RESTORE LIST CNTL */
1472	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1473	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1474	if (ret)
1475		return ret;
1476	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1477		   fw_info.feature, fw_info.ver);
1478
1479	/* RLC SAVE RESTORE LIST GPM MEM */
1480	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1481	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1482	if (ret)
1483		return ret;
1484	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1485		   fw_info.feature, fw_info.ver);
1486
1487	/* RLC SAVE RESTORE LIST SRM MEM */
1488	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1489	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1490	if (ret)
1491		return ret;
1492	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1493		   fw_info.feature, fw_info.ver);
1494
1495	/* RLCP */
1496	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
1497	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1498	if (ret)
1499		return ret;
1500	seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
1501		   fw_info.feature, fw_info.ver);
1502
1503	/* RLCV */
1504        query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
1505	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1506	if (ret)
1507		return ret;
1508	seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
1509		   fw_info.feature, fw_info.ver);
1510
1511	/* MEC */
1512	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1513	query_fw.index = 0;
1514	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1515	if (ret)
1516		return ret;
1517	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1518		   fw_info.feature, fw_info.ver);
1519
1520	/* MEC2 */
1521	if (adev->gfx.mec2_fw) {
1522		query_fw.index = 1;
1523		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1524		if (ret)
1525			return ret;
1526		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1527			   fw_info.feature, fw_info.ver);
1528	}
1529
1530	/* IMU */
1531	query_fw.fw_type = AMDGPU_INFO_FW_IMU;
1532	query_fw.index = 0;
1533	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1534	if (ret)
1535		return ret;
1536	seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
1537		   fw_info.feature, fw_info.ver);
1538
1539	/* PSP SOS */
1540	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1541	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1542	if (ret)
1543		return ret;
1544	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1545		   fw_info.feature, fw_info.ver);
1546
1547
1548	/* PSP ASD */
1549	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1550	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1551	if (ret)
1552		return ret;
1553	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1554		   fw_info.feature, fw_info.ver);
1555
1556	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1557	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1558		query_fw.index = i;
1559		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1560		if (ret)
1561			continue;
1562
1563		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1564			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1565	}
1566
1567	/* SMC */
1568	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1569	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1570	if (ret)
1571		return ret;
1572	smu_program = (fw_info.ver >> 24) & 0xff;
1573	smu_major = (fw_info.ver >> 16) & 0xff;
1574	smu_minor = (fw_info.ver >> 8) & 0xff;
1575	smu_debug = (fw_info.ver >> 0) & 0xff;
1576	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1577		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1578
1579	/* SDMA */
1580	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1581	for (i = 0; i < adev->sdma.num_instances; i++) {
1582		query_fw.index = i;
1583		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1584		if (ret)
1585			return ret;
1586		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1587			   i, fw_info.feature, fw_info.ver);
1588	}
1589
1590	/* VCN */
1591	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1592	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1593	if (ret)
1594		return ret;
1595	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1596		   fw_info.feature, fw_info.ver);
1597
1598	/* DMCU */
1599	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1600	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1601	if (ret)
1602		return ret;
1603	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1604		   fw_info.feature, fw_info.ver);
1605
1606	/* DMCUB */
1607	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1608	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1609	if (ret)
1610		return ret;
1611	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1612		   fw_info.feature, fw_info.ver);
1613
1614	/* TOC */
1615	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1616	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1617	if (ret)
1618		return ret;
1619	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1620		   fw_info.feature, fw_info.ver);
1621
1622	/* CAP */
1623	if (adev->psp.cap_fw) {
1624		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1625		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1626		if (ret)
1627			return ret;
1628		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1629				fw_info.feature, fw_info.ver);
1630	}
1631
1632	/* MES_KIQ */
1633	query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
1634	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1635	if (ret)
1636		return ret;
1637	seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
1638		   fw_info.feature, fw_info.ver);
1639
1640	/* MES */
1641	query_fw.fw_type = AMDGPU_INFO_FW_MES;
1642	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1643	if (ret)
1644		return ret;
1645	seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
1646		   fw_info.feature, fw_info.ver);
1647
1648	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1649
1650	return 0;
1651}
1652
1653DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1654
1655#endif
1656
1657void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1658{
1659#if defined(CONFIG_DEBUG_FS)
1660	struct drm_minor *minor = adev_to_drm(adev)->primary;
1661	struct dentry *root = minor->debugfs_root;
1662
1663	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1664			    adev, &amdgpu_debugfs_firmware_info_fops);
1665
1666#endif
1667}