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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);
 
 
 
 
 
 
 
 
 
 
v4.17
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28#include <drm/drmP.h>
  29#include "amdgpu.h"
  30#include <drm/amdgpu_drm.h>
  31#include "amdgpu_sched.h"
  32#include "amdgpu_uvd.h"
  33#include "amdgpu_vce.h"
  34
  35#include <linux/vga_switcheroo.h>
  36#include <linux/slab.h>
  37#include <linux/pm_runtime.h>
  38#include "amdgpu_amdkfd.h"
  39
 
 
 
 
 
 
  40/**
  41 * amdgpu_driver_unload_kms - Main unload function for KMS.
  42 *
  43 * @dev: drm dev pointer
  44 *
  45 * This is the main unload function for KMS (all asics).
  46 * Returns 0 on success.
  47 */
  48void amdgpu_driver_unload_kms(struct drm_device *dev)
  49{
  50	struct amdgpu_device *adev = dev->dev_private;
  51
  52	if (adev == NULL)
  53		return;
  54
  55	if (adev->rmmio == NULL)
  56		goto done_free;
  57
  58	if (amdgpu_sriov_vf(adev))
  59		amdgpu_virt_request_full_gpu(adev, false);
  60
  61	if (amdgpu_device_is_px(dev)) {
  62		pm_runtime_get_sync(dev->dev);
  63		pm_runtime_forbid(dev->dev);
  64	}
  65
  66	amdgpu_acpi_fini(adev);
  67
  68	amdgpu_device_fini(adev);
  69
  70done_free:
  71	kfree(adev);
  72	dev->dev_private = NULL;
 
  73}
  74
  75/**
  76 * amdgpu_driver_load_kms - Main load function for KMS.
  77 *
  78 * @dev: drm dev pointer
  79 * @flags: device flags
  80 *
  81 * This is the main load function for KMS (all asics).
  82 * Returns 0 on success, error on failure.
  83 */
  84int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
  85{
  86	struct amdgpu_device *adev;
  87	int r, acpi_status;
  88
  89#ifdef CONFIG_DRM_AMDGPU_SI
  90	if (!amdgpu_si_support) {
  91		switch (flags & AMD_ASIC_MASK) {
  92		case CHIP_TAHITI:
  93		case CHIP_PITCAIRN:
  94		case CHIP_VERDE:
  95		case CHIP_OLAND:
  96		case CHIP_HAINAN:
  97			dev_info(dev->dev,
  98				 "SI support provided by radeon.\n");
  99			dev_info(dev->dev,
 100				 "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n"
 101				);
 102			return -ENODEV;
 103		}
 104	}
 105#endif
 106#ifdef CONFIG_DRM_AMDGPU_CIK
 107	if (!amdgpu_cik_support) {
 108		switch (flags & AMD_ASIC_MASK) {
 109		case CHIP_KAVERI:
 110		case CHIP_BONAIRE:
 111		case CHIP_HAWAII:
 112		case CHIP_KABINI:
 113		case CHIP_MULLINS:
 114			dev_info(dev->dev,
 115				 "CIK support provided by radeon.\n");
 116			dev_info(dev->dev,
 117				 "Use radeon.cik_support=0 amdgpu.cik_support=1 to override.\n"
 118				);
 119			return -ENODEV;
 120		}
 121	}
 122#endif
 123
 124	adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
 125	if (adev == NULL) {
 126		return -ENOMEM;
 127	}
 128	dev->dev_private = (void *)adev;
 129
 130	if ((amdgpu_runtime_pm != 0) &&
 131	    amdgpu_has_atpx() &&
 132	    (amdgpu_is_atpx_hybrid() ||
 133	     amdgpu_has_atpx_dgpu_power_cntl()) &&
 134	    ((flags & AMD_IS_APU) == 0) &&
 135	    !pci_is_thunderbolt_attached(dev->pdev))
 136		flags |= AMD_IS_PX;
 137
 138	/* amdgpu_device_init should report only fatal error
 139	 * like memory allocation failure or iomapping failure,
 140	 * or memory manager initialization failure, it must
 141	 * properly initialize the GPU MC controller and permit
 142	 * VRAM allocation
 143	 */
 144	r = amdgpu_device_init(adev, dev, dev->pdev, flags);
 145	if (r) {
 146		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
 147		goto out;
 148	}
 149
 150	/* Call ACPI methods: require modeset init
 151	 * but failure is not fatal
 152	 */
 153	if (!r) {
 154		acpi_status = amdgpu_acpi_init(adev);
 155		if (acpi_status)
 156		dev_dbg(&dev->pdev->dev,
 157				"Error during ACPI methods call\n");
 158	}
 159
 
 
 
 
 160	if (amdgpu_device_is_px(dev)) {
 161		pm_runtime_use_autosuspend(dev->dev);
 162		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
 163		pm_runtime_set_active(dev->dev);
 164		pm_runtime_allow(dev->dev);
 165		pm_runtime_mark_last_busy(dev->dev);
 166		pm_runtime_put_autosuspend(dev->dev);
 167	}
 168
 169out:
 170	if (r) {
 171		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
 172		if (adev->rmmio && amdgpu_device_is_px(dev))
 173			pm_runtime_put_noidle(dev->dev);
 174		amdgpu_driver_unload_kms(dev);
 175	}
 176
 177	return r;
 178}
 179
 180static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
 181				struct drm_amdgpu_query_fw *query_fw,
 182				struct amdgpu_device *adev)
 183{
 184	switch (query_fw->fw_type) {
 185	case AMDGPU_INFO_FW_VCE:
 186		fw_info->ver = adev->vce.fw_version;
 187		fw_info->feature = adev->vce.fb_version;
 188		break;
 189	case AMDGPU_INFO_FW_UVD:
 190		fw_info->ver = adev->uvd.fw_version;
 191		fw_info->feature = 0;
 192		break;
 193	case AMDGPU_INFO_FW_VCN:
 194		fw_info->ver = adev->vcn.fw_version;
 195		fw_info->feature = 0;
 196		break;
 197	case AMDGPU_INFO_FW_GMC:
 198		fw_info->ver = adev->gmc.fw_version;
 199		fw_info->feature = 0;
 200		break;
 201	case AMDGPU_INFO_FW_GFX_ME:
 202		fw_info->ver = adev->gfx.me_fw_version;
 203		fw_info->feature = adev->gfx.me_feature_version;
 204		break;
 205	case AMDGPU_INFO_FW_GFX_PFP:
 206		fw_info->ver = adev->gfx.pfp_fw_version;
 207		fw_info->feature = adev->gfx.pfp_feature_version;
 208		break;
 209	case AMDGPU_INFO_FW_GFX_CE:
 210		fw_info->ver = adev->gfx.ce_fw_version;
 211		fw_info->feature = adev->gfx.ce_feature_version;
 212		break;
 213	case AMDGPU_INFO_FW_GFX_RLC:
 214		fw_info->ver = adev->gfx.rlc_fw_version;
 215		fw_info->feature = adev->gfx.rlc_feature_version;
 216		break;
 217	case AMDGPU_INFO_FW_GFX_MEC:
 218		if (query_fw->index == 0) {
 219			fw_info->ver = adev->gfx.mec_fw_version;
 220			fw_info->feature = adev->gfx.mec_feature_version;
 221		} else if (query_fw->index == 1) {
 222			fw_info->ver = adev->gfx.mec2_fw_version;
 223			fw_info->feature = adev->gfx.mec2_feature_version;
 224		} else
 225			return -EINVAL;
 226		break;
 227	case AMDGPU_INFO_FW_SMC:
 228		fw_info->ver = adev->pm.fw_version;
 229		fw_info->feature = 0;
 230		break;
 231	case AMDGPU_INFO_FW_SDMA:
 232		if (query_fw->index >= adev->sdma.num_instances)
 233			return -EINVAL;
 234		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
 235		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
 236		break;
 237	case AMDGPU_INFO_FW_SOS:
 238		fw_info->ver = adev->psp.sos_fw_version;
 239		fw_info->feature = adev->psp.sos_feature_version;
 240		break;
 241	case AMDGPU_INFO_FW_ASD:
 242		fw_info->ver = adev->psp.asd_fw_version;
 243		fw_info->feature = adev->psp.asd_feature_version;
 244		break;
 245	default:
 246		return -EINVAL;
 247	}
 248	return 0;
 249}
 250
 251/*
 252 * Userspace get information ioctl
 253 */
 254/**
 255 * amdgpu_info_ioctl - answer a device specific request.
 256 *
 257 * @adev: amdgpu device pointer
 258 * @data: request object
 259 * @filp: drm filp
 260 *
 261 * This function is used to pass device specific parameters to the userspace
 262 * drivers.  Examples include: pci device id, pipeline parms, tiling params,
 263 * etc. (all asics).
 264 * Returns 0 on success, -EINVAL on failure.
 265 */
 266static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 267{
 268	struct amdgpu_device *adev = dev->dev_private;
 269	struct drm_amdgpu_info *info = data;
 270	struct amdgpu_mode_info *minfo = &adev->mode_info;
 271	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
 272	uint32_t size = info->return_size;
 273	struct drm_crtc *crtc;
 274	uint32_t ui32 = 0;
 275	uint64_t ui64 = 0;
 276	int i, found;
 277	int ui32_size = sizeof(ui32);
 278
 279	if (!info->return_size || !info->return_pointer)
 280		return -EINVAL;
 281
 282	switch (info->query) {
 283	case AMDGPU_INFO_ACCEL_WORKING:
 284		ui32 = adev->accel_working;
 285		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 286	case AMDGPU_INFO_CRTC_FROM_ID:
 287		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
 288			crtc = (struct drm_crtc *)minfo->crtcs[i];
 289			if (crtc && crtc->base.id == info->mode_crtc.id) {
 290				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 291				ui32 = amdgpu_crtc->crtc_id;
 292				found = 1;
 293				break;
 294			}
 295		}
 296		if (!found) {
 297			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
 298			return -EINVAL;
 299		}
 300		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 301	case AMDGPU_INFO_HW_IP_INFO: {
 302		struct drm_amdgpu_info_hw_ip ip = {};
 303		enum amd_ip_block_type type;
 304		uint32_t ring_mask = 0;
 305		uint32_t ib_start_alignment = 0;
 306		uint32_t ib_size_alignment = 0;
 307
 308		if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 309			return -EINVAL;
 310
 311		switch (info->query_hw_ip.type) {
 312		case AMDGPU_HW_IP_GFX:
 313			type = AMD_IP_BLOCK_TYPE_GFX;
 314			for (i = 0; i < adev->gfx.num_gfx_rings; i++)
 315				ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
 316			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 317			ib_size_alignment = 8;
 318			break;
 319		case AMDGPU_HW_IP_COMPUTE:
 320			type = AMD_IP_BLOCK_TYPE_GFX;
 321			for (i = 0; i < adev->gfx.num_compute_rings; i++)
 322				ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
 323			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 324			ib_size_alignment = 8;
 325			break;
 326		case AMDGPU_HW_IP_DMA:
 327			type = AMD_IP_BLOCK_TYPE_SDMA;
 328			for (i = 0; i < adev->sdma.num_instances; i++)
 329				ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
 330			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 331			ib_size_alignment = 1;
 332			break;
 333		case AMDGPU_HW_IP_UVD:
 334			type = AMD_IP_BLOCK_TYPE_UVD;
 335			ring_mask = adev->uvd.ring.ready ? 1 : 0;
 336			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 337			ib_size_alignment = 16;
 338			break;
 339		case AMDGPU_HW_IP_VCE:
 340			type = AMD_IP_BLOCK_TYPE_VCE;
 341			for (i = 0; i < adev->vce.num_rings; i++)
 342				ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
 343			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 344			ib_size_alignment = 1;
 345			break;
 346		case AMDGPU_HW_IP_UVD_ENC:
 347			type = AMD_IP_BLOCK_TYPE_UVD;
 348			for (i = 0; i < adev->uvd.num_enc_rings; i++)
 349				ring_mask |= ((adev->uvd.ring_enc[i].ready ? 1 : 0) << i);
 350			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 351			ib_size_alignment = 1;
 352			break;
 353		case AMDGPU_HW_IP_VCN_DEC:
 354			type = AMD_IP_BLOCK_TYPE_VCN;
 355			ring_mask = adev->vcn.ring_dec.ready ? 1 : 0;
 356			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 357			ib_size_alignment = 16;
 358			break;
 359		case AMDGPU_HW_IP_VCN_ENC:
 360			type = AMD_IP_BLOCK_TYPE_VCN;
 361			for (i = 0; i < adev->vcn.num_enc_rings; i++)
 362				ring_mask |= ((adev->vcn.ring_enc[i].ready ? 1 : 0) << i);
 363			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
 364			ib_size_alignment = 1;
 365			break;
 366		default:
 367			return -EINVAL;
 368		}
 369
 370		for (i = 0; i < adev->num_ip_blocks; i++) {
 371			if (adev->ip_blocks[i].version->type == type &&
 372			    adev->ip_blocks[i].status.valid) {
 373				ip.hw_ip_version_major = adev->ip_blocks[i].version->major;
 374				ip.hw_ip_version_minor = adev->ip_blocks[i].version->minor;
 375				ip.capabilities_flags = 0;
 376				ip.available_rings = ring_mask;
 377				ip.ib_start_alignment = ib_start_alignment;
 378				ip.ib_size_alignment = ib_size_alignment;
 379				break;
 380			}
 381		}
 382		return copy_to_user(out, &ip,
 383				    min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
 384	}
 385	case AMDGPU_INFO_HW_IP_COUNT: {
 386		enum amd_ip_block_type type;
 387		uint32_t count = 0;
 388
 389		switch (info->query_hw_ip.type) {
 390		case AMDGPU_HW_IP_GFX:
 391			type = AMD_IP_BLOCK_TYPE_GFX;
 392			break;
 393		case AMDGPU_HW_IP_COMPUTE:
 394			type = AMD_IP_BLOCK_TYPE_GFX;
 395			break;
 396		case AMDGPU_HW_IP_DMA:
 397			type = AMD_IP_BLOCK_TYPE_SDMA;
 398			break;
 399		case AMDGPU_HW_IP_UVD:
 400			type = AMD_IP_BLOCK_TYPE_UVD;
 401			break;
 402		case AMDGPU_HW_IP_VCE:
 403			type = AMD_IP_BLOCK_TYPE_VCE;
 404			break;
 405		case AMDGPU_HW_IP_UVD_ENC:
 406			type = AMD_IP_BLOCK_TYPE_UVD;
 407			break;
 408		case AMDGPU_HW_IP_VCN_DEC:
 409		case AMDGPU_HW_IP_VCN_ENC:
 410			type = AMD_IP_BLOCK_TYPE_VCN;
 411			break;
 412		default:
 413			return -EINVAL;
 414		}
 415
 416		for (i = 0; i < adev->num_ip_blocks; i++)
 417			if (adev->ip_blocks[i].version->type == type &&
 418			    adev->ip_blocks[i].status.valid &&
 419			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 420				count++;
 421
 422		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
 423	}
 424	case AMDGPU_INFO_TIMESTAMP:
 425		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
 426		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 427	case AMDGPU_INFO_FW_VERSION: {
 428		struct drm_amdgpu_info_firmware fw_info;
 429		int ret;
 430
 431		/* We only support one instance of each IP block right now. */
 432		if (info->query_fw.ip_instance != 0)
 433			return -EINVAL;
 434
 435		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
 436		if (ret)
 437			return ret;
 438
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 439		return copy_to_user(out, &fw_info,
 440				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
 441	}
 442	case AMDGPU_INFO_NUM_BYTES_MOVED:
 443		ui64 = atomic64_read(&adev->num_bytes_moved);
 444		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 445	case AMDGPU_INFO_NUM_EVICTIONS:
 446		ui64 = atomic64_read(&adev->num_evictions);
 447		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 448	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
 449		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
 450		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 451	case AMDGPU_INFO_VRAM_USAGE:
 452		ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 453		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 454	case AMDGPU_INFO_VIS_VRAM_USAGE:
 455		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 456		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 457	case AMDGPU_INFO_GTT_USAGE:
 458		ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
 459		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 460	case AMDGPU_INFO_GDS_CONFIG: {
 461		struct drm_amdgpu_info_gds gds_info;
 462
 463		memset(&gds_info, 0, sizeof(gds_info));
 464		gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
 465		gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
 466		gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
 467		gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
 468		gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
 469		gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
 470		gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
 471		return copy_to_user(out, &gds_info,
 472				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
 473	}
 474	case AMDGPU_INFO_VRAM_GTT: {
 475		struct drm_amdgpu_info_vram_gtt vram_gtt;
 476
 477		vram_gtt.vram_size = adev->gmc.real_vram_size;
 478		vram_gtt.vram_size -= adev->vram_pin_size;
 479		vram_gtt.vram_cpu_accessible_size = adev->gmc.visible_vram_size;
 480		vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
 481		vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
 482		vram_gtt.gtt_size *= PAGE_SIZE;
 483		vram_gtt.gtt_size -= adev->gart_pin_size;
 484		return copy_to_user(out, &vram_gtt,
 485				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
 486	}
 487	case AMDGPU_INFO_MEMORY: {
 488		struct drm_amdgpu_memory_info mem;
 489
 490		memset(&mem, 0, sizeof(mem));
 491		mem.vram.total_heap_size = adev->gmc.real_vram_size;
 492		mem.vram.usable_heap_size =
 493			adev->gmc.real_vram_size - adev->vram_pin_size;
 494		mem.vram.heap_usage =
 495			amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 496		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
 497
 498		mem.cpu_accessible_vram.total_heap_size =
 499			adev->gmc.visible_vram_size;
 500		mem.cpu_accessible_vram.usable_heap_size =
 501			adev->gmc.visible_vram_size -
 502			(adev->vram_pin_size - adev->invisible_pin_size);
 503		mem.cpu_accessible_vram.heap_usage =
 504			amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 505		mem.cpu_accessible_vram.max_allocation =
 506			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
 507
 508		mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
 509		mem.gtt.total_heap_size *= PAGE_SIZE;
 510		mem.gtt.usable_heap_size = mem.gtt.total_heap_size
 511			- adev->gart_pin_size;
 512		mem.gtt.heap_usage =
 513			amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
 514		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
 515
 516		return copy_to_user(out, &mem,
 517				    min((size_t)size, sizeof(mem)))
 518				    ? -EFAULT : 0;
 519	}
 520	case AMDGPU_INFO_READ_MMR_REG: {
 521		unsigned n, alloc_size;
 522		uint32_t *regs;
 523		unsigned se_num = (info->read_mmr_reg.instance >>
 524				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
 525				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
 526		unsigned sh_num = (info->read_mmr_reg.instance >>
 527				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
 528				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
 529
 530		/* set full masks if the userspace set all bits
 531		 * in the bitfields */
 532		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
 533			se_num = 0xffffffff;
 534		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
 535			sh_num = 0xffffffff;
 536
 537		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
 538		if (!regs)
 539			return -ENOMEM;
 540		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
 541
 542		for (i = 0; i < info->read_mmr_reg.count; i++)
 543			if (amdgpu_asic_read_register(adev, se_num, sh_num,
 544						      info->read_mmr_reg.dword_offset + i,
 545						      &regs[i])) {
 546				DRM_DEBUG_KMS("unallowed offset %#x\n",
 547					      info->read_mmr_reg.dword_offset + i);
 548				kfree(regs);
 549				return -EFAULT;
 550			}
 551		n = copy_to_user(out, regs, min(size, alloc_size));
 552		kfree(regs);
 553		return n ? -EFAULT : 0;
 554	}
 555	case AMDGPU_INFO_DEV_INFO: {
 556		struct drm_amdgpu_info_device dev_info = {};
 557		uint64_t vm_size;
 558
 559		dev_info.device_id = dev->pdev->device;
 560		dev_info.chip_rev = adev->rev_id;
 561		dev_info.external_rev = adev->external_rev_id;
 562		dev_info.pci_rev = dev->pdev->revision;
 563		dev_info.family = adev->family;
 564		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
 565		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
 566		/* return all clocks in KHz */
 567		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
 568		if (adev->pm.dpm_enabled) {
 569			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
 570			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
 
 
 571		} else {
 572			dev_info.max_engine_clock = adev->clock.default_sclk * 10;
 573			dev_info.max_memory_clock = adev->clock.default_mclk * 10;
 574		}
 575		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
 576		dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
 577			adev->gfx.config.max_shader_engines;
 578		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
 579		dev_info._pad = 0;
 580		dev_info.ids_flags = 0;
 581		if (adev->flags & AMD_IS_APU)
 582			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
 583		if (amdgpu_sriov_vf(adev))
 584			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
 585
 586		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
 587		vm_size -= AMDGPU_VA_RESERVED_SIZE;
 588
 589		/* Older VCE FW versions are buggy and can handle only 40bits */
 590		if (adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
 591			vm_size = min(vm_size, 1ULL << 40);
 592
 593		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
 594		dev_info.virtual_address_max =
 595			min(vm_size, AMDGPU_VA_HOLE_START);
 596
 597		if (vm_size > AMDGPU_VA_HOLE_START) {
 598			dev_info.high_va_offset = AMDGPU_VA_HOLE_END;
 599			dev_info.high_va_max = AMDGPU_VA_HOLE_END | vm_size;
 600		}
 601		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 602		dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
 
 603		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
 604		dev_info.cu_active_number = adev->gfx.cu_info.number;
 605		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
 
 
 606		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
 607		memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
 608		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
 609		memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
 610		       sizeof(adev->gfx.cu_info.bitmap));
 611		dev_info.vram_type = adev->gmc.vram_type;
 612		dev_info.vram_bit_width = adev->gmc.vram_width;
 613		dev_info.vce_harvest_config = adev->vce.harvest_config;
 614		dev_info.gc_double_offchip_lds_buf =
 615			adev->gfx.config.double_offchip_lds_buf;
 616
 617		if (amdgpu_ngg) {
 618			dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr;
 619			dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size;
 620			dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr;
 621			dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size;
 622			dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr;
 623			dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size;
 624			dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr;
 625			dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size;
 626		}
 627		dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
 628		dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
 629		dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
 630		dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
 631		dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
 632		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
 633		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
 634
 635		return copy_to_user(out, &dev_info,
 636				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
 637	}
 638	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
 639		unsigned i;
 640		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
 641		struct amd_vce_state *vce_state;
 642
 643		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
 644			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
 645			if (vce_state) {
 646				vce_clk_table.entries[i].sclk = vce_state->sclk;
 647				vce_clk_table.entries[i].mclk = vce_state->mclk;
 648				vce_clk_table.entries[i].eclk = vce_state->evclk;
 649				vce_clk_table.num_valid_entries++;
 650			}
 651		}
 652
 653		return copy_to_user(out, &vce_clk_table,
 654				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
 655	}
 656	case AMDGPU_INFO_VBIOS: {
 657		uint32_t bios_size = adev->bios_size;
 658
 659		switch (info->vbios_info.type) {
 660		case AMDGPU_INFO_VBIOS_SIZE:
 661			return copy_to_user(out, &bios_size,
 662					min((size_t)size, sizeof(bios_size)))
 663					? -EFAULT : 0;
 664		case AMDGPU_INFO_VBIOS_IMAGE: {
 665			uint8_t *bios;
 666			uint32_t bios_offset = info->vbios_info.offset;
 667
 668			if (bios_offset >= bios_size)
 669				return -EINVAL;
 670
 671			bios = adev->bios + bios_offset;
 672			return copy_to_user(out, bios,
 673					    min((size_t)size, (size_t)(bios_size - bios_offset)))
 674					? -EFAULT : 0;
 675		}
 676		default:
 677			DRM_DEBUG_KMS("Invalid request %d\n",
 678					info->vbios_info.type);
 679			return -EINVAL;
 680		}
 681	}
 682	case AMDGPU_INFO_NUM_HANDLES: {
 683		struct drm_amdgpu_info_num_handles handle;
 684
 685		switch (info->query_hw_ip.type) {
 686		case AMDGPU_HW_IP_UVD:
 687			/* Starting Polaris, we support unlimited UVD handles */
 688			if (adev->asic_type < CHIP_POLARIS10) {
 689				handle.uvd_max_handles = adev->uvd.max_handles;
 690				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
 691
 692				return copy_to_user(out, &handle,
 693					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
 694			} else {
 695				return -ENODATA;
 696			}
 697
 698			break;
 699		default:
 700			return -EINVAL;
 701		}
 702	}
 703	case AMDGPU_INFO_SENSOR: {
 704		struct pp_gpu_power query = {0};
 705		int query_size = sizeof(query);
 706
 707		if (amdgpu_dpm == 0)
 708			return -ENOENT;
 709
 710		switch (info->sensor_info.type) {
 711		case AMDGPU_INFO_SENSOR_GFX_SCLK:
 712			/* get sclk in Mhz */
 713			if (amdgpu_dpm_read_sensor(adev,
 714						   AMDGPU_PP_SENSOR_GFX_SCLK,
 715						   (void *)&ui32, &ui32_size)) {
 716				return -EINVAL;
 717			}
 718			ui32 /= 100;
 719			break;
 720		case AMDGPU_INFO_SENSOR_GFX_MCLK:
 721			/* get mclk in Mhz */
 722			if (amdgpu_dpm_read_sensor(adev,
 723						   AMDGPU_PP_SENSOR_GFX_MCLK,
 724						   (void *)&ui32, &ui32_size)) {
 725				return -EINVAL;
 726			}
 727			ui32 /= 100;
 728			break;
 729		case AMDGPU_INFO_SENSOR_GPU_TEMP:
 730			/* get temperature in millidegrees C */
 731			if (amdgpu_dpm_read_sensor(adev,
 732						   AMDGPU_PP_SENSOR_GPU_TEMP,
 733						   (void *)&ui32, &ui32_size)) {
 734				return -EINVAL;
 735			}
 736			break;
 737		case AMDGPU_INFO_SENSOR_GPU_LOAD:
 738			/* get GPU load */
 739			if (amdgpu_dpm_read_sensor(adev,
 740						   AMDGPU_PP_SENSOR_GPU_LOAD,
 741						   (void *)&ui32, &ui32_size)) {
 742				return -EINVAL;
 743			}
 744			break;
 745		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
 746			/* get average GPU power */
 747			if (amdgpu_dpm_read_sensor(adev,
 748						   AMDGPU_PP_SENSOR_GPU_POWER,
 749						   (void *)&query, &query_size)) {
 750				return -EINVAL;
 751			}
 752			ui32 = query.average_gpu_power >> 8;
 753			break;
 754		case AMDGPU_INFO_SENSOR_VDDNB:
 755			/* get VDDNB in millivolts */
 756			if (amdgpu_dpm_read_sensor(adev,
 757						   AMDGPU_PP_SENSOR_VDDNB,
 758						   (void *)&ui32, &ui32_size)) {
 759				return -EINVAL;
 760			}
 761			break;
 762		case AMDGPU_INFO_SENSOR_VDDGFX:
 763			/* get VDDGFX in millivolts */
 764			if (amdgpu_dpm_read_sensor(adev,
 765						   AMDGPU_PP_SENSOR_VDDGFX,
 766						   (void *)&ui32, &ui32_size)) {
 767				return -EINVAL;
 768			}
 769			break;
 770		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
 771			/* get stable pstate sclk in Mhz */
 772			if (amdgpu_dpm_read_sensor(adev,
 773						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
 774						   (void *)&ui32, &ui32_size)) {
 775				return -EINVAL;
 776			}
 777			ui32 /= 100;
 778			break;
 779		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
 780			/* get stable pstate mclk in Mhz */
 781			if (amdgpu_dpm_read_sensor(adev,
 782						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
 783						   (void *)&ui32, &ui32_size)) {
 784				return -EINVAL;
 785			}
 786			ui32 /= 100;
 787			break;
 788		default:
 789			DRM_DEBUG_KMS("Invalid request %d\n",
 790				      info->sensor_info.type);
 791			return -EINVAL;
 792		}
 793		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 794	}
 795	case AMDGPU_INFO_VRAM_LOST_COUNTER:
 796		ui32 = atomic_read(&adev->vram_lost_counter);
 797		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 798	default:
 799		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
 800		return -EINVAL;
 801	}
 802	return 0;
 803}
 804
 805
 806/*
 807 * Outdated mess for old drm with Xorg being in charge (void function now).
 808 */
 809/**
 810 * amdgpu_driver_lastclose_kms - drm callback for last close
 811 *
 812 * @dev: drm dev pointer
 813 *
 814 * Switch vga_switcheroo state after last close (all asics).
 815 */
 816void amdgpu_driver_lastclose_kms(struct drm_device *dev)
 817{
 818	drm_fb_helper_lastclose(dev);
 
 
 819	vga_switcheroo_process_delayed_switch();
 820}
 821
 822/**
 823 * amdgpu_driver_open_kms - drm callback for open
 824 *
 825 * @dev: drm dev pointer
 826 * @file_priv: drm file
 827 *
 828 * On device open, init vm on cayman+ (all asics).
 829 * Returns 0 on success, error on failure.
 830 */
 831int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 832{
 833	struct amdgpu_device *adev = dev->dev_private;
 834	struct amdgpu_fpriv *fpriv;
 835	int r, pasid;
 836
 837	file_priv->driver_priv = NULL;
 838
 839	r = pm_runtime_get_sync(dev->dev);
 840	if (r < 0)
 841		return r;
 842
 843	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
 844	if (unlikely(!fpriv)) {
 845		r = -ENOMEM;
 846		goto out_suspend;
 847	}
 848
 849	pasid = amdgpu_pasid_alloc(16);
 850	if (pasid < 0) {
 851		dev_warn(adev->dev, "No more PASIDs available!");
 852		pasid = 0;
 853	}
 854	r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
 855	if (r)
 856		goto error_pasid;
 857
 858	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
 859	if (!fpriv->prt_va) {
 860		r = -ENOMEM;
 861		goto error_vm;
 862	}
 863
 864	if (amdgpu_sriov_vf(adev)) {
 865		r = amdgpu_map_static_csa(adev, &fpriv->vm, &fpriv->csa_va);
 866		if (r)
 867			goto error_vm;
 868	}
 869
 870	mutex_init(&fpriv->bo_list_lock);
 871	idr_init(&fpriv->bo_list_handles);
 872
 873	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
 874
 875	file_priv->driver_priv = fpriv;
 876	goto out_suspend;
 877
 878error_vm:
 879	amdgpu_vm_fini(adev, &fpriv->vm);
 880
 881error_pasid:
 882	if (pasid)
 883		amdgpu_pasid_free(pasid);
 884
 
 885	kfree(fpriv);
 886
 887out_suspend:
 888	pm_runtime_mark_last_busy(dev->dev);
 889	pm_runtime_put_autosuspend(dev->dev);
 890
 891	return r;
 892}
 893
 894/**
 895 * amdgpu_driver_postclose_kms - drm callback for post close
 896 *
 897 * @dev: drm dev pointer
 898 * @file_priv: drm file
 899 *
 900 * On device post close, tear down vm on cayman+ (all asics).
 901 */
 902void amdgpu_driver_postclose_kms(struct drm_device *dev,
 903				 struct drm_file *file_priv)
 904{
 905	struct amdgpu_device *adev = dev->dev_private;
 906	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
 907	struct amdgpu_bo_list *list;
 908	struct amdgpu_bo *pd;
 909	unsigned int pasid;
 910	int handle;
 911
 912	if (!fpriv)
 913		return;
 914
 915	pm_runtime_get_sync(dev->dev);
 916
 917	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
 918
 919	if (adev->asic_type != CHIP_RAVEN) {
 920		amdgpu_uvd_free_handles(adev, file_priv);
 921		amdgpu_vce_free_handles(adev, file_priv);
 922	}
 923
 924	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
 925
 926	if (amdgpu_sriov_vf(adev)) {
 927		/* TODO: how to handle reserve failure */
 928		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
 929		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
 930		fpriv->csa_va = NULL;
 931		amdgpu_bo_unreserve(adev->virt.csa_obj);
 932	}
 933
 934	pasid = fpriv->vm.pasid;
 935	pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
 936
 937	amdgpu_vm_fini(adev, &fpriv->vm);
 938	if (pasid)
 939		amdgpu_pasid_free_delayed(pd->tbo.resv, pasid);
 940	amdgpu_bo_unref(&pd);
 941
 942	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
 943		amdgpu_bo_list_free(list);
 944
 945	idr_destroy(&fpriv->bo_list_handles);
 946	mutex_destroy(&fpriv->bo_list_lock);
 947
 948	kfree(fpriv);
 949	file_priv->driver_priv = NULL;
 
 950
 951	pm_runtime_mark_last_busy(dev->dev);
 952	pm_runtime_put_autosuspend(dev->dev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 953}
 954
 955/*
 956 * VBlank related functions.
 957 */
 958/**
 959 * amdgpu_get_vblank_counter_kms - get frame count
 960 *
 961 * @dev: drm dev pointer
 962 * @pipe: crtc to get the frame count from
 963 *
 964 * Gets the frame count on the requested crtc (all asics).
 965 * Returns frame count on success, -EINVAL on failure.
 966 */
 967u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
 968{
 969	struct amdgpu_device *adev = dev->dev_private;
 970	int vpos, hpos, stat;
 971	u32 count;
 972
 973	if (pipe >= adev->mode_info.num_crtc) {
 974		DRM_ERROR("Invalid crtc %u\n", pipe);
 975		return -EINVAL;
 976	}
 977
 978	/* The hw increments its frame counter at start of vsync, not at start
 979	 * of vblank, as is required by DRM core vblank counter handling.
 980	 * Cook the hw count here to make it appear to the caller as if it
 981	 * incremented at start of vblank. We measure distance to start of
 982	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
 983	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
 984	 * result by 1 to give the proper appearance to caller.
 985	 */
 986	if (adev->mode_info.crtcs[pipe]) {
 987		/* Repeat readout if needed to provide stable result if
 988		 * we cross start of vsync during the queries.
 989		 */
 990		do {
 991			count = amdgpu_display_vblank_get_counter(adev, pipe);
 992			/* Ask amdgpu_display_get_crtc_scanoutpos to return
 993			 * vpos as distance to start of vblank, instead of
 994			 * regular vertical scanout pos.
 995			 */
 996			stat = amdgpu_display_get_crtc_scanoutpos(
 997				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
 998				&vpos, &hpos, NULL, NULL,
 999				&adev->mode_info.crtcs[pipe]->base.hwmode);
1000		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1001
1002		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1003		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1004			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1005		} else {
1006			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1007				      pipe, vpos);
1008
1009			/* Bump counter if we are at >= leading edge of vblank,
1010			 * but before vsync where vpos would turn negative and
1011			 * the hw counter really increments.
1012			 */
1013			if (vpos >= 0)
1014				count++;
1015		}
1016	} else {
1017		/* Fallback to use value as is. */
1018		count = amdgpu_display_vblank_get_counter(adev, pipe);
1019		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1020	}
1021
1022	return count;
1023}
1024
1025/**
1026 * amdgpu_enable_vblank_kms - enable vblank interrupt
1027 *
1028 * @dev: drm dev pointer
1029 * @pipe: crtc to enable vblank interrupt for
1030 *
1031 * Enable the interrupt on the requested crtc (all asics).
1032 * Returns 0 on success, -EINVAL on failure.
1033 */
1034int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1035{
1036	struct amdgpu_device *adev = dev->dev_private;
1037	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1038
1039	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1040}
1041
1042/**
1043 * amdgpu_disable_vblank_kms - disable vblank interrupt
1044 *
1045 * @dev: drm dev pointer
1046 * @pipe: crtc to disable vblank interrupt for
1047 *
1048 * Disable the interrupt on the requested crtc (all asics).
1049 */
1050void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1051{
1052	struct amdgpu_device *adev = dev->dev_private;
1053	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1054
1055	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1056}
1057
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1058const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1059	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1060	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1061	DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1062	DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1063	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1064	DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1065	/* KMS */
1066	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1067	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1068	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1069	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1070	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1071	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1072	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1073	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1074	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1075	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1076};
1077const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1078
1079/*
1080 * Debugfs info
1081 */
1082#if defined(CONFIG_DEBUG_FS)
1083
1084static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1085{
1086	struct drm_info_node *node = (struct drm_info_node *) m->private;
1087	struct drm_device *dev = node->minor->dev;
1088	struct amdgpu_device *adev = dev->dev_private;
1089	struct drm_amdgpu_info_firmware fw_info;
1090	struct drm_amdgpu_query_fw query_fw;
1091	int ret, i;
1092
1093	/* VCE */
1094	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1095	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1096	if (ret)
1097		return ret;
1098	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1099		   fw_info.feature, fw_info.ver);
1100
1101	/* UVD */
1102	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1103	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1104	if (ret)
1105		return ret;
1106	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1107		   fw_info.feature, fw_info.ver);
1108
1109	/* GMC */
1110	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1111	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1112	if (ret)
1113		return ret;
1114	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1115		   fw_info.feature, fw_info.ver);
1116
1117	/* ME */
1118	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1119	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1120	if (ret)
1121		return ret;
1122	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1123		   fw_info.feature, fw_info.ver);
1124
1125	/* PFP */
1126	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1127	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1128	if (ret)
1129		return ret;
1130	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1131		   fw_info.feature, fw_info.ver);
1132
1133	/* CE */
1134	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1135	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1136	if (ret)
1137		return ret;
1138	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1139		   fw_info.feature, fw_info.ver);
1140
1141	/* RLC */
1142	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1143	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1144	if (ret)
1145		return ret;
1146	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1147		   fw_info.feature, fw_info.ver);
1148
1149	/* MEC */
1150	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1151	query_fw.index = 0;
1152	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1153	if (ret)
1154		return ret;
1155	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1156		   fw_info.feature, fw_info.ver);
1157
1158	/* MEC2 */
1159	if (adev->asic_type == CHIP_KAVERI ||
1160	    (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1161		query_fw.index = 1;
1162		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1163		if (ret)
1164			return ret;
1165		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1166			   fw_info.feature, fw_info.ver);
1167	}
1168
1169	/* PSP SOS */
1170	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1171	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1172	if (ret)
1173		return ret;
1174	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1175		   fw_info.feature, fw_info.ver);
1176
1177
1178	/* PSP ASD */
1179	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1180	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1181	if (ret)
1182		return ret;
1183	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1184		   fw_info.feature, fw_info.ver);
1185
1186	/* SMC */
1187	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1188	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1189	if (ret)
1190		return ret;
1191	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1192		   fw_info.feature, fw_info.ver);
1193
1194	/* SDMA */
1195	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1196	for (i = 0; i < adev->sdma.num_instances; i++) {
1197		query_fw.index = i;
1198		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1199		if (ret)
1200			return ret;
1201		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1202			   i, fw_info.feature, fw_info.ver);
1203	}
1204
1205	/* VCN */
1206	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1207	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1208	if (ret)
1209		return ret;
1210	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1211		   fw_info.feature, fw_info.ver);
1212
1213	return 0;
1214}
1215
1216static const struct drm_info_list amdgpu_firmware_info_list[] = {
1217	{"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1218};
1219#endif
1220
1221int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1222{
1223#if defined(CONFIG_DEBUG_FS)
1224	return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1225					ARRAY_SIZE(amdgpu_firmware_info_list));
1226#else
1227	return 0;
1228#endif
1229}