xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c (revision 05cf4fe738242183f1237f1b3a28b4479348c0a1)
1 /*
2  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * 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  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 
25 #include <drm/drmP.h>
26 #include <drm/amdgpu_drm.h>
27 #include <drm/drm_gem.h>
28 #include "amdgpu_drv.h"
29 
30 #include <drm/drm_pciids.h>
31 #include <linux/console.h>
32 #include <linux/module.h>
33 #include <linux/pm_runtime.h>
34 #include <linux/vga_switcheroo.h>
35 #include <drm/drm_crtc_helper.h>
36 
37 #include "amdgpu.h"
38 #include "amdgpu_irq.h"
39 #include "amdgpu_gem.h"
40 
41 #include "amdgpu_amdkfd.h"
42 
43 /*
44  * KMS wrapper.
45  * - 3.0.0 - initial driver
46  * - 3.1.0 - allow reading more status registers (GRBM, SRBM, SDMA, CP)
47  * - 3.2.0 - GFX8: Uses EOP_TC_WB_ACTION_EN, so UMDs don't have to do the same
48  *           at the end of IBs.
49  * - 3.3.0 - Add VM support for UVD on supported hardware.
50  * - 3.4.0 - Add AMDGPU_INFO_NUM_EVICTIONS.
51  * - 3.5.0 - Add support for new UVD_NO_OP register.
52  * - 3.6.0 - kmd involves use CONTEXT_CONTROL in ring buffer.
53  * - 3.7.0 - Add support for VCE clock list packet
54  * - 3.8.0 - Add support raster config init in the kernel
55  * - 3.9.0 - Add support for memory query info about VRAM and GTT.
56  * - 3.10.0 - Add support for new fences ioctl, new gem ioctl flags
57  * - 3.11.0 - Add support for sensor query info (clocks, temp, etc).
58  * - 3.12.0 - Add query for double offchip LDS buffers
59  * - 3.13.0 - Add PRT support
60  * - 3.14.0 - Fix race in amdgpu_ctx_get_fence() and note new functionality
61  * - 3.15.0 - Export more gpu info for gfx9
62  * - 3.16.0 - Add reserved vmid support
63  * - 3.17.0 - Add AMDGPU_NUM_VRAM_CPU_PAGE_FAULTS.
64  * - 3.18.0 - Export gpu always on cu bitmap
65  * - 3.19.0 - Add support for UVD MJPEG decode
66  * - 3.20.0 - Add support for local BOs
67  * - 3.21.0 - Add DRM_AMDGPU_FENCE_TO_HANDLE ioctl
68  * - 3.22.0 - Add DRM_AMDGPU_SCHED ioctl
69  * - 3.23.0 - Add query for VRAM lost counter
70  * - 3.24.0 - Add high priority compute support for gfx9
71  * - 3.25.0 - Add support for sensor query info (stable pstate sclk/mclk).
72  * - 3.26.0 - GFX9: Process AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE.
73  * - 3.27.0 - Add new chunk to to AMDGPU_CS to enable BO_LIST creation.
74  */
75 #define KMS_DRIVER_MAJOR	3
76 #define KMS_DRIVER_MINOR	27
77 #define KMS_DRIVER_PATCHLEVEL	0
78 
79 int amdgpu_vram_limit = 0;
80 int amdgpu_vis_vram_limit = 0;
81 int amdgpu_gart_size = -1; /* auto */
82 int amdgpu_gtt_size = -1; /* auto */
83 int amdgpu_moverate = -1; /* auto */
84 int amdgpu_benchmarking = 0;
85 int amdgpu_testing = 0;
86 int amdgpu_audio = -1;
87 int amdgpu_disp_priority = 0;
88 int amdgpu_hw_i2c = 0;
89 int amdgpu_pcie_gen2 = -1;
90 int amdgpu_msi = -1;
91 int amdgpu_lockup_timeout = 10000;
92 int amdgpu_dpm = -1;
93 int amdgpu_fw_load_type = -1;
94 int amdgpu_aspm = -1;
95 int amdgpu_runtime_pm = -1;
96 uint amdgpu_ip_block_mask = 0xffffffff;
97 int amdgpu_bapm = -1;
98 int amdgpu_deep_color = 0;
99 int amdgpu_vm_size = -1;
100 int amdgpu_vm_fragment_size = -1;
101 int amdgpu_vm_block_size = -1;
102 int amdgpu_vm_fault_stop = 0;
103 int amdgpu_vm_debug = 0;
104 int amdgpu_vram_page_split = 512;
105 int amdgpu_vm_update_mode = -1;
106 int amdgpu_exp_hw_support = 0;
107 int amdgpu_dc = -1;
108 int amdgpu_sched_jobs = 32;
109 int amdgpu_sched_hw_submission = 2;
110 uint amdgpu_pcie_gen_cap = 0;
111 uint amdgpu_pcie_lane_cap = 0;
112 uint amdgpu_cg_mask = 0xffffffff;
113 uint amdgpu_pg_mask = 0xffffffff;
114 uint amdgpu_sdma_phase_quantum = 32;
115 char *amdgpu_disable_cu = NULL;
116 char *amdgpu_virtual_display = NULL;
117 /* OverDrive(bit 14),gfxoff(bit 15),stutter mode(bit 17) disabled by default*/
118 uint amdgpu_pp_feature_mask = 0xfffd3fff;
119 int amdgpu_ngg = 0;
120 int amdgpu_prim_buf_per_se = 0;
121 int amdgpu_pos_buf_per_se = 0;
122 int amdgpu_cntl_sb_buf_per_se = 0;
123 int amdgpu_param_buf_per_se = 0;
124 int amdgpu_job_hang_limit = 0;
125 int amdgpu_lbpw = -1;
126 int amdgpu_compute_multipipe = -1;
127 int amdgpu_gpu_recovery = -1; /* auto */
128 int amdgpu_emu_mode = 0;
129 uint amdgpu_smu_memory_pool_size = 0;
130 /* FBC (bit 0) disabled by default*/
131 uint amdgpu_dc_feature_mask = 0;
132 
133 struct amdgpu_mgpu_info mgpu_info = {
134 	.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
135 };
136 
137 /**
138  * DOC: vramlimit (int)
139  * Restrict the total amount of VRAM in MiB for testing.  The default is 0 (Use full VRAM).
140  */
141 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
142 module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
143 
144 /**
145  * DOC: vis_vramlimit (int)
146  * Restrict the amount of CPU visible VRAM in MiB for testing.  The default is 0 (Use full CPU visible VRAM).
147  */
148 MODULE_PARM_DESC(vis_vramlimit, "Restrict visible VRAM for testing, in megabytes");
149 module_param_named(vis_vramlimit, amdgpu_vis_vram_limit, int, 0444);
150 
151 /**
152  * DOC: gartsize (uint)
153  * Restrict the size of GART in Mib (32, 64, etc.) for testing. The default is -1 (The size depends on asic).
154  */
155 MODULE_PARM_DESC(gartsize, "Size of GART to setup in megabytes (32, 64, etc., -1=auto)");
156 module_param_named(gartsize, amdgpu_gart_size, uint, 0600);
157 
158 /**
159  * DOC: gttsize (int)
160  * Restrict the size of GTT domain in MiB for testing. The default is -1 (It's VRAM size if 3GB < VRAM < 3/4 RAM,
161  * otherwise 3/4 RAM size).
162  */
163 MODULE_PARM_DESC(gttsize, "Size of the GTT domain in megabytes (-1 = auto)");
164 module_param_named(gttsize, amdgpu_gtt_size, int, 0600);
165 
166 /**
167  * DOC: moverate (int)
168  * Set maximum buffer migration rate in MB/s. The default is -1 (8 MB/s).
169  */
170 MODULE_PARM_DESC(moverate, "Maximum buffer migration rate in MB/s. (32, 64, etc., -1=auto, 0=1=disabled)");
171 module_param_named(moverate, amdgpu_moverate, int, 0600);
172 
173 /**
174  * DOC: benchmark (int)
175  * Run benchmarks. The default is 0 (Skip benchmarks).
176  */
177 MODULE_PARM_DESC(benchmark, "Run benchmark");
178 module_param_named(benchmark, amdgpu_benchmarking, int, 0444);
179 
180 /**
181  * DOC: test (int)
182  * Test BO GTT->VRAM and VRAM->GTT GPU copies. The default is 0 (Skip test, only set 1 to run test).
183  */
184 MODULE_PARM_DESC(test, "Run tests");
185 module_param_named(test, amdgpu_testing, int, 0444);
186 
187 /**
188  * DOC: audio (int)
189  * Set HDMI/DPAudio. Only affects non-DC display handling. The default is -1 (Enabled), set 0 to disabled it.
190  */
191 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
192 module_param_named(audio, amdgpu_audio, int, 0444);
193 
194 /**
195  * DOC: disp_priority (int)
196  * Set display Priority (1 = normal, 2 = high). Only affects non-DC display handling. The default is 0 (auto).
197  */
198 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
199 module_param_named(disp_priority, amdgpu_disp_priority, int, 0444);
200 
201 /**
202  * DOC: hw_i2c (int)
203  * To enable hw i2c engine. Only affects non-DC display handling. The default is 0 (Disabled).
204  */
205 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
206 module_param_named(hw_i2c, amdgpu_hw_i2c, int, 0444);
207 
208 /**
209  * DOC: pcie_gen2 (int)
210  * To disable PCIE Gen2/3 mode (0 = disable, 1 = enable). The default is -1 (auto, enabled).
211  */
212 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
213 module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444);
214 
215 /**
216  * DOC: msi (int)
217  * To disable Message Signaled Interrupts (MSI) functionality (1 = enable, 0 = disable). The default is -1 (auto, enabled).
218  */
219 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
220 module_param_named(msi, amdgpu_msi, int, 0444);
221 
222 /**
223  * DOC: lockup_timeout (int)
224  * Set GPU scheduler timeout value in ms. Value 0 is invalidated, will be adjusted to 10000.
225  * Negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET). The default is 10000.
226  */
227 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms > 0 (default 10000)");
228 module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444);
229 
230 /**
231  * DOC: dpm (int)
232  * Override for dynamic power management setting (1 = enable, 0 = disable). The default is -1 (auto).
233  */
234 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
235 module_param_named(dpm, amdgpu_dpm, int, 0444);
236 
237 /**
238  * DOC: fw_load_type (int)
239  * Set different firmware loading type for debugging (0 = direct, 1 = SMU, 2 = PSP). The default is -1 (auto).
240  */
241 MODULE_PARM_DESC(fw_load_type, "firmware loading type (0 = direct, 1 = SMU, 2 = PSP, -1 = auto)");
242 module_param_named(fw_load_type, amdgpu_fw_load_type, int, 0444);
243 
244 /**
245  * DOC: aspm (int)
246  * To disable ASPM (1 = enable, 0 = disable). The default is -1 (auto, enabled).
247  */
248 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
249 module_param_named(aspm, amdgpu_aspm, int, 0444);
250 
251 /**
252  * DOC: runpm (int)
253  * Override for runtime power management control for dGPUs in PX/HG laptops. The amdgpu driver can dynamically power down
254  * the dGPU on PX/HG laptops when it is idle. The default is -1 (auto enable). Setting the value to 0 disables this functionality.
255  */
256 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
257 module_param_named(runpm, amdgpu_runtime_pm, int, 0444);
258 
259 /**
260  * DOC: ip_block_mask (uint)
261  * Override what IP blocks are enabled on the GPU. Each GPU is a collection of IP blocks (gfx, display, video, etc.).
262  * Use this parameter to disable specific blocks. Note that the IP blocks do not have a fixed index. Some asics may not have
263  * some IPs or may include multiple instances of an IP so the ordering various from asic to asic. See the driver output in
264  * the kernel log for the list of IPs on the asic. The default is 0xffffffff (enable all blocks on a device).
265  */
266 MODULE_PARM_DESC(ip_block_mask, "IP Block Mask (all blocks enabled (default))");
267 module_param_named(ip_block_mask, amdgpu_ip_block_mask, uint, 0444);
268 
269 /**
270  * DOC: bapm (int)
271  * Bidirectional Application Power Management (BAPM) used to dynamically share TDP between CPU and GPU. Set value 0 to disable it.
272  * The default -1 (auto, enabled)
273  */
274 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
275 module_param_named(bapm, amdgpu_bapm, int, 0444);
276 
277 /**
278  * DOC: deep_color (int)
279  * Set 1 to enable Deep Color support. Only affects non-DC display handling. The default is 0 (disabled).
280  */
281 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
282 module_param_named(deep_color, amdgpu_deep_color, int, 0444);
283 
284 /**
285  * DOC: vm_size (int)
286  * Override the size of the GPU's per client virtual address space in GiB.  The default is -1 (automatic for each asic).
287  */
288 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)");
289 module_param_named(vm_size, amdgpu_vm_size, int, 0444);
290 
291 /**
292  * DOC: vm_fragment_size (int)
293  * Override VM fragment size in bits (4, 5, etc. 4 = 64K, 9 = 2M). The default is -1 (automatic for each asic).
294  */
295 MODULE_PARM_DESC(vm_fragment_size, "VM fragment size in bits (4, 5, etc. 4 = 64K (default), Max 9 = 2M)");
296 module_param_named(vm_fragment_size, amdgpu_vm_fragment_size, int, 0444);
297 
298 /**
299  * DOC: vm_block_size (int)
300  * Override VM page table size in bits (default depending on vm_size and hw setup). The default is -1 (automatic for each asic).
301  */
302 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
303 module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444);
304 
305 /**
306  * DOC: vm_fault_stop (int)
307  * Stop on VM fault for debugging (0 = never, 1 = print first, 2 = always). The default is 0 (No stop).
308  */
309 MODULE_PARM_DESC(vm_fault_stop, "Stop on VM fault (0 = never (default), 1 = print first, 2 = always)");
310 module_param_named(vm_fault_stop, amdgpu_vm_fault_stop, int, 0444);
311 
312 /**
313  * DOC: vm_debug (int)
314  * Debug VM handling (0 = disabled, 1 = enabled). The default is 0 (Disabled).
315  */
316 MODULE_PARM_DESC(vm_debug, "Debug VM handling (0 = disabled (default), 1 = enabled)");
317 module_param_named(vm_debug, amdgpu_vm_debug, int, 0644);
318 
319 /**
320  * DOC: vm_update_mode (int)
321  * Override VM update mode. VM updated by using CPU (0 = never, 1 = Graphics only, 2 = Compute only, 3 = Both). The default
322  * is -1 (Only in large BAR(LB) systems Compute VM tables will be updated by CPU, otherwise 0, never).
323  */
324 MODULE_PARM_DESC(vm_update_mode, "VM update using CPU (0 = never (default except for large BAR(LB)), 1 = Graphics only, 2 = Compute only (default for LB), 3 = Both");
325 module_param_named(vm_update_mode, amdgpu_vm_update_mode, int, 0444);
326 
327 /**
328  * DOC: vram_page_split (int)
329  * Override the number of pages after we split VRAM allocations (default 512, -1 = disable). The default is 512.
330  */
331 MODULE_PARM_DESC(vram_page_split, "Number of pages after we split VRAM allocations (default 512, -1 = disable)");
332 module_param_named(vram_page_split, amdgpu_vram_page_split, int, 0444);
333 
334 /**
335  * DOC: exp_hw_support (int)
336  * Enable experimental hw support (1 = enable). The default is 0 (disabled).
337  */
338 MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))");
339 module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444);
340 
341 /**
342  * DOC: dc (int)
343  * Disable/Enable Display Core driver for debugging (1 = enable, 0 = disable). The default is -1 (automatic for each asic).
344  */
345 MODULE_PARM_DESC(dc, "Display Core driver (1 = enable, 0 = disable, -1 = auto (default))");
346 module_param_named(dc, amdgpu_dc, int, 0444);
347 
348 /**
349  * DOC: sched_jobs (int)
350  * Override the max number of jobs supported in the sw queue. The default is 32.
351  */
352 MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 32)");
353 module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444);
354 
355 /**
356  * DOC: sched_hw_submission (int)
357  * Override the max number of HW submissions. The default is 2.
358  */
359 MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
360 module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
361 
362 /**
363  * DOC: ppfeaturemask (uint)
364  * Override power features enabled. See enum PP_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
365  * The default is the current set of stable power features.
366  */
367 MODULE_PARM_DESC(ppfeaturemask, "all power features enabled (default))");
368 module_param_named(ppfeaturemask, amdgpu_pp_feature_mask, uint, 0444);
369 
370 /**
371  * DOC: pcie_gen_cap (uint)
372  * Override PCIE gen speed capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
373  * The default is 0 (automatic for each asic).
374  */
375 MODULE_PARM_DESC(pcie_gen_cap, "PCIE Gen Caps (0: autodetect (default))");
376 module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444);
377 
378 /**
379  * DOC: pcie_lane_cap (uint)
380  * Override PCIE lanes capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
381  * The default is 0 (automatic for each asic).
382  */
383 MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))");
384 module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444);
385 
386 /**
387  * DOC: cg_mask (uint)
388  * Override Clockgating features enabled on GPU (0 = disable clock gating). See the AMD_CG_SUPPORT flags in
389  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
390  */
391 MODULE_PARM_DESC(cg_mask, "Clockgating flags mask (0 = disable clock gating)");
392 module_param_named(cg_mask, amdgpu_cg_mask, uint, 0444);
393 
394 /**
395  * DOC: pg_mask (uint)
396  * Override Powergating features enabled on GPU (0 = disable power gating). See the AMD_PG_SUPPORT flags in
397  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
398  */
399 MODULE_PARM_DESC(pg_mask, "Powergating flags mask (0 = disable power gating)");
400 module_param_named(pg_mask, amdgpu_pg_mask, uint, 0444);
401 
402 /**
403  * DOC: sdma_phase_quantum (uint)
404  * Override SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change). The default is 32.
405  */
406 MODULE_PARM_DESC(sdma_phase_quantum, "SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change (default 32))");
407 module_param_named(sdma_phase_quantum, amdgpu_sdma_phase_quantum, uint, 0444);
408 
409 /**
410  * DOC: disable_cu (charp)
411  * Set to disable CUs (It's set like se.sh.cu,...). The default is NULL.
412  */
413 MODULE_PARM_DESC(disable_cu, "Disable CUs (se.sh.cu,...)");
414 module_param_named(disable_cu, amdgpu_disable_cu, charp, 0444);
415 
416 /**
417  * DOC: virtual_display (charp)
418  * Set to enable virtual display feature. This feature provides a virtual display hardware on headless boards
419  * or in virtualized environments. It will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x. It's the pci address of
420  * the device, plus the number of crtcs to expose. E.g., 0000:26:00.0,4 would enable 4 virtual crtcs on the pci
421  * device at 26:00.0. The default is NULL.
422  */
423 MODULE_PARM_DESC(virtual_display,
424 		 "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x)");
425 module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444);
426 
427 /**
428  * DOC: ngg (int)
429  * Set to enable Next Generation Graphics (1 = enable). The default is 0 (disabled).
430  */
431 MODULE_PARM_DESC(ngg, "Next Generation Graphics (1 = enable, 0 = disable(default depending on gfx))");
432 module_param_named(ngg, amdgpu_ngg, int, 0444);
433 
434 /**
435  * DOC: prim_buf_per_se (int)
436  * Override the size of Primitive Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
437  */
438 MODULE_PARM_DESC(prim_buf_per_se, "the size of Primitive Buffer per Shader Engine (default depending on gfx)");
439 module_param_named(prim_buf_per_se, amdgpu_prim_buf_per_se, int, 0444);
440 
441 /**
442  * DOC: pos_buf_per_se (int)
443  * Override the size of Position Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
444  */
445 MODULE_PARM_DESC(pos_buf_per_se, "the size of Position Buffer per Shader Engine (default depending on gfx)");
446 module_param_named(pos_buf_per_se, amdgpu_pos_buf_per_se, int, 0444);
447 
448 /**
449  * DOC: cntl_sb_buf_per_se (int)
450  * Override the size of Control Sideband per Shader Engine in Byte. The default is 0 (depending on gfx).
451  */
452 MODULE_PARM_DESC(cntl_sb_buf_per_se, "the size of Control Sideband per Shader Engine (default depending on gfx)");
453 module_param_named(cntl_sb_buf_per_se, amdgpu_cntl_sb_buf_per_se, int, 0444);
454 
455 /**
456  * DOC: param_buf_per_se (int)
457  * Override the size of Off-Chip Pramater Cache per Shader Engine in Byte. The default is 0 (depending on gfx).
458  */
459 MODULE_PARM_DESC(param_buf_per_se, "the size of Off-Chip Pramater Cache per Shader Engine (default depending on gfx)");
460 module_param_named(param_buf_per_se, amdgpu_param_buf_per_se, int, 0444);
461 
462 /**
463  * DOC: job_hang_limit (int)
464  * Set how much time allow a job hang and not drop it. The default is 0.
465  */
466 MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop it (default 0)");
467 module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
468 
469 /**
470  * DOC: lbpw (int)
471  * Override Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable). The default is -1 (auto, enabled).
472  */
473 MODULE_PARM_DESC(lbpw, "Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable, -1 = auto)");
474 module_param_named(lbpw, amdgpu_lbpw, int, 0444);
475 
476 MODULE_PARM_DESC(compute_multipipe, "Force compute queues to be spread across pipes (1 = enable, 0 = disable, -1 = auto)");
477 module_param_named(compute_multipipe, amdgpu_compute_multipipe, int, 0444);
478 
479 /**
480  * DOC: gpu_recovery (int)
481  * Set to enable GPU recovery mechanism (1 = enable, 0 = disable). The default is -1 (auto, disabled except SRIOV).
482  */
483 MODULE_PARM_DESC(gpu_recovery, "Enable GPU recovery mechanism, (1 = enable, 0 = disable, -1 = auto)");
484 module_param_named(gpu_recovery, amdgpu_gpu_recovery, int, 0444);
485 
486 /**
487  * DOC: emu_mode (int)
488  * Set value 1 to enable emulation mode. This is only needed when running on an emulator. The default is 0 (disabled).
489  */
490 MODULE_PARM_DESC(emu_mode, "Emulation mode, (1 = enable, 0 = disable)");
491 module_param_named(emu_mode, amdgpu_emu_mode, int, 0444);
492 
493 /**
494  * DOC: si_support (int)
495  * Set SI support driver. This parameter works after set config CONFIG_DRM_AMDGPU_SI. For SI asic, when radeon driver is enabled,
496  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
497  * otherwise using amdgpu driver.
498  */
499 #ifdef CONFIG_DRM_AMDGPU_SI
500 
501 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
502 int amdgpu_si_support = 0;
503 MODULE_PARM_DESC(si_support, "SI support (1 = enabled, 0 = disabled (default))");
504 #else
505 int amdgpu_si_support = 1;
506 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
507 #endif
508 
509 module_param_named(si_support, amdgpu_si_support, int, 0444);
510 #endif
511 
512 /**
513  * DOC: cik_support (int)
514  * Set CIK support driver. This parameter works after set config CONFIG_DRM_AMDGPU_CIK. For CIK asic, when radeon driver is enabled,
515  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
516  * otherwise using amdgpu driver.
517  */
518 #ifdef CONFIG_DRM_AMDGPU_CIK
519 
520 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
521 int amdgpu_cik_support = 0;
522 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled, 0 = disabled (default))");
523 #else
524 int amdgpu_cik_support = 1;
525 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
526 #endif
527 
528 module_param_named(cik_support, amdgpu_cik_support, int, 0444);
529 #endif
530 
531 /**
532  * DOC: smu_memory_pool_size (uint)
533  * It is used to reserve gtt for smu debug usage, setting value 0 to disable it. The actual size is value * 256MiB.
534  * E.g. 0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte. The default is 0 (disabled).
535  */
536 MODULE_PARM_DESC(smu_memory_pool_size,
537 	"reserve gtt for smu debug usage, 0 = disable,"
538 		"0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
539 module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444);
540 
541 #ifdef CONFIG_HSA_AMD
542 /**
543  * DOC: sched_policy (int)
544  * Set scheduling policy. Default is HWS(hardware scheduling) with over-subscription.
545  * Setting 1 disables over-subscription. Setting 2 disables HWS and statically
546  * assigns queues to HQDs.
547  */
548 int sched_policy = KFD_SCHED_POLICY_HWS;
549 module_param(sched_policy, int, 0444);
550 MODULE_PARM_DESC(sched_policy,
551 	"Scheduling policy (0 = HWS (Default), 1 = HWS without over-subscription, 2 = Non-HWS (Used for debugging only)");
552 
553 /**
554  * DOC: hws_max_conc_proc (int)
555  * Maximum number of processes that HWS can schedule concurrently. The maximum is the
556  * number of VMIDs assigned to the HWS, which is also the default.
557  */
558 int hws_max_conc_proc = 8;
559 module_param(hws_max_conc_proc, int, 0444);
560 MODULE_PARM_DESC(hws_max_conc_proc,
561 	"Max # processes HWS can execute concurrently when sched_policy=0 (0 = no concurrency, #VMIDs for KFD = Maximum(default))");
562 
563 /**
564  * DOC: cwsr_enable (int)
565  * CWSR(compute wave store and resume) allows the GPU to preempt shader execution in
566  * the middle of a compute wave. Default is 1 to enable this feature. Setting 0
567  * disables it.
568  */
569 int cwsr_enable = 1;
570 module_param(cwsr_enable, int, 0444);
571 MODULE_PARM_DESC(cwsr_enable, "CWSR enable (0 = Off, 1 = On (Default))");
572 
573 /**
574  * DOC: max_num_of_queues_per_device (int)
575  * Maximum number of queues per device. Valid setting is between 1 and 4096. Default
576  * is 4096.
577  */
578 int max_num_of_queues_per_device = KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT;
579 module_param(max_num_of_queues_per_device, int, 0444);
580 MODULE_PARM_DESC(max_num_of_queues_per_device,
581 	"Maximum number of supported queues per device (1 = Minimum, 4096 = default)");
582 
583 /**
584  * DOC: send_sigterm (int)
585  * Send sigterm to HSA process on unhandled exceptions. Default is not to send sigterm
586  * but just print errors on dmesg. Setting 1 enables sending sigterm.
587  */
588 int send_sigterm;
589 module_param(send_sigterm, int, 0444);
590 MODULE_PARM_DESC(send_sigterm,
591 	"Send sigterm to HSA process on unhandled exception (0 = disable, 1 = enable)");
592 
593 /**
594  * DOC: debug_largebar (int)
595  * Set debug_largebar as 1 to enable simulating large-bar capability on non-large bar
596  * system. This limits the VRAM size reported to ROCm applications to the visible
597  * size, usually 256MB.
598  * Default value is 0, diabled.
599  */
600 int debug_largebar;
601 module_param(debug_largebar, int, 0444);
602 MODULE_PARM_DESC(debug_largebar,
603 	"Debug large-bar flag used to simulate large-bar capability on non-large bar machine (0 = disable, 1 = enable)");
604 
605 /**
606  * DOC: ignore_crat (int)
607  * Ignore CRAT table during KFD initialization. By default, KFD uses the ACPI CRAT
608  * table to get information about AMD APUs. This option can serve as a workaround on
609  * systems with a broken CRAT table.
610  */
611 int ignore_crat;
612 module_param(ignore_crat, int, 0444);
613 MODULE_PARM_DESC(ignore_crat,
614 	"Ignore CRAT table during KFD initialization (0 = use CRAT (default), 1 = ignore CRAT)");
615 
616 /**
617  * DOC: noretry (int)
618  * This parameter sets sh_mem_config.retry_disable. Default value, 0, enables retry.
619  * Setting 1 disables retry.
620  * Retry is needed for recoverable page faults.
621  */
622 int noretry;
623 module_param(noretry, int, 0644);
624 MODULE_PARM_DESC(noretry,
625 	"Set sh_mem_config.retry_disable on Vega10 (0 = retry enabled (default), 1 = retry disabled)");
626 
627 /**
628  * DOC: halt_if_hws_hang (int)
629  * Halt if HWS hang is detected. Default value, 0, disables the halt on hang.
630  * Setting 1 enables halt on hang.
631  */
632 int halt_if_hws_hang;
633 module_param(halt_if_hws_hang, int, 0644);
634 MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (default), 1 = on)");
635 #endif
636 
637 /**
638  * DOC: dcfeaturemask (uint)
639  * Override display features enabled. See enum DC_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
640  * The default is the current set of stable display features.
641  */
642 MODULE_PARM_DESC(dcfeaturemask, "all stable DC features enabled (default))");
643 module_param_named(dcfeaturemask, amdgpu_dc_feature_mask, uint, 0444);
644 
645 static const struct pci_device_id pciidlist[] = {
646 #ifdef  CONFIG_DRM_AMDGPU_SI
647 	{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
648 	{0x1002, 0x6784, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
649 	{0x1002, 0x6788, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
650 	{0x1002, 0x678A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
651 	{0x1002, 0x6790, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
652 	{0x1002, 0x6791, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
653 	{0x1002, 0x6792, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
654 	{0x1002, 0x6798, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
655 	{0x1002, 0x6799, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
656 	{0x1002, 0x679A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
657 	{0x1002, 0x679B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
658 	{0x1002, 0x679E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
659 	{0x1002, 0x679F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
660 	{0x1002, 0x6800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
661 	{0x1002, 0x6801, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
662 	{0x1002, 0x6802, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
663 	{0x1002, 0x6806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
664 	{0x1002, 0x6808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
665 	{0x1002, 0x6809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
666 	{0x1002, 0x6810, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
667 	{0x1002, 0x6811, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
668 	{0x1002, 0x6816, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
669 	{0x1002, 0x6817, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
670 	{0x1002, 0x6818, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
671 	{0x1002, 0x6819, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
672 	{0x1002, 0x6600, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
673 	{0x1002, 0x6601, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
674 	{0x1002, 0x6602, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
675 	{0x1002, 0x6603, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
676 	{0x1002, 0x6604, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
677 	{0x1002, 0x6605, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
678 	{0x1002, 0x6606, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
679 	{0x1002, 0x6607, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
680 	{0x1002, 0x6608, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
681 	{0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
682 	{0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
683 	{0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
684 	{0x1002, 0x6617, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
685 	{0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
686 	{0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
687 	{0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
688 	{0x1002, 0x6631, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
689 	{0x1002, 0x6820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
690 	{0x1002, 0x6821, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
691 	{0x1002, 0x6822, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
692 	{0x1002, 0x6823, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
693 	{0x1002, 0x6824, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
694 	{0x1002, 0x6825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
695 	{0x1002, 0x6826, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
696 	{0x1002, 0x6827, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
697 	{0x1002, 0x6828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
698 	{0x1002, 0x6829, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
699 	{0x1002, 0x682A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
700 	{0x1002, 0x682B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
701 	{0x1002, 0x682C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
702 	{0x1002, 0x682D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
703 	{0x1002, 0x682F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
704 	{0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
705 	{0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
706 	{0x1002, 0x6835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
707 	{0x1002, 0x6837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
708 	{0x1002, 0x6838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
709 	{0x1002, 0x6839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
710 	{0x1002, 0x683B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
711 	{0x1002, 0x683D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
712 	{0x1002, 0x683F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
713 	{0x1002, 0x6660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
714 	{0x1002, 0x6663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
715 	{0x1002, 0x6664, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
716 	{0x1002, 0x6665, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
717 	{0x1002, 0x6667, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
718 	{0x1002, 0x666F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
719 #endif
720 #ifdef CONFIG_DRM_AMDGPU_CIK
721 	/* Kaveri */
722 	{0x1002, 0x1304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
723 	{0x1002, 0x1305, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
724 	{0x1002, 0x1306, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
725 	{0x1002, 0x1307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
726 	{0x1002, 0x1309, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
727 	{0x1002, 0x130A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
728 	{0x1002, 0x130B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
729 	{0x1002, 0x130C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
730 	{0x1002, 0x130D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
731 	{0x1002, 0x130E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
732 	{0x1002, 0x130F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
733 	{0x1002, 0x1310, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
734 	{0x1002, 0x1311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
735 	{0x1002, 0x1312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
736 	{0x1002, 0x1313, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
737 	{0x1002, 0x1315, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
738 	{0x1002, 0x1316, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
739 	{0x1002, 0x1317, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
740 	{0x1002, 0x1318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
741 	{0x1002, 0x131B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
742 	{0x1002, 0x131C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
743 	{0x1002, 0x131D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
744 	/* Bonaire */
745 	{0x1002, 0x6640, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
746 	{0x1002, 0x6641, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
747 	{0x1002, 0x6646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
748 	{0x1002, 0x6647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
749 	{0x1002, 0x6649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
750 	{0x1002, 0x6650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
751 	{0x1002, 0x6651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
752 	{0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
753 	{0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
754 	{0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
755 	{0x1002, 0x665f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
756 	/* Hawaii */
757 	{0x1002, 0x67A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
758 	{0x1002, 0x67A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
759 	{0x1002, 0x67A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
760 	{0x1002, 0x67A8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
761 	{0x1002, 0x67A9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
762 	{0x1002, 0x67AA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
763 	{0x1002, 0x67B0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
764 	{0x1002, 0x67B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
765 	{0x1002, 0x67B8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
766 	{0x1002, 0x67B9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
767 	{0x1002, 0x67BA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
768 	{0x1002, 0x67BE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
769 	/* Kabini */
770 	{0x1002, 0x9830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
771 	{0x1002, 0x9831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
772 	{0x1002, 0x9832, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
773 	{0x1002, 0x9833, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
774 	{0x1002, 0x9834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
775 	{0x1002, 0x9835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
776 	{0x1002, 0x9836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
777 	{0x1002, 0x9837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
778 	{0x1002, 0x9838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
779 	{0x1002, 0x9839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
780 	{0x1002, 0x983a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
781 	{0x1002, 0x983b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
782 	{0x1002, 0x983c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
783 	{0x1002, 0x983d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
784 	{0x1002, 0x983e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
785 	{0x1002, 0x983f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
786 	/* mullins */
787 	{0x1002, 0x9850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
788 	{0x1002, 0x9851, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
789 	{0x1002, 0x9852, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
790 	{0x1002, 0x9853, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
791 	{0x1002, 0x9854, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
792 	{0x1002, 0x9855, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
793 	{0x1002, 0x9856, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
794 	{0x1002, 0x9857, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
795 	{0x1002, 0x9858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
796 	{0x1002, 0x9859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
797 	{0x1002, 0x985A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
798 	{0x1002, 0x985B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
799 	{0x1002, 0x985C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
800 	{0x1002, 0x985D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
801 	{0x1002, 0x985E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
802 	{0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
803 #endif
804 	/* topaz */
805 	{0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
806 	{0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
807 	{0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
808 	{0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
809 	{0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
810 	/* tonga */
811 	{0x1002, 0x6920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
812 	{0x1002, 0x6921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
813 	{0x1002, 0x6928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
814 	{0x1002, 0x6929, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
815 	{0x1002, 0x692B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
816 	{0x1002, 0x692F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
817 	{0x1002, 0x6930, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
818 	{0x1002, 0x6938, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
819 	{0x1002, 0x6939, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
820 	/* fiji */
821 	{0x1002, 0x7300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
822 	{0x1002, 0x730F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
823 	/* carrizo */
824 	{0x1002, 0x9870, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
825 	{0x1002, 0x9874, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
826 	{0x1002, 0x9875, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
827 	{0x1002, 0x9876, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
828 	{0x1002, 0x9877, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
829 	/* stoney */
830 	{0x1002, 0x98E4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_STONEY|AMD_IS_APU},
831 	/* Polaris11 */
832 	{0x1002, 0x67E0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
833 	{0x1002, 0x67E3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
834 	{0x1002, 0x67E8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
835 	{0x1002, 0x67EB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
836 	{0x1002, 0x67EF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
837 	{0x1002, 0x67FF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
838 	{0x1002, 0x67E1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
839 	{0x1002, 0x67E7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
840 	{0x1002, 0x67E9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
841 	/* Polaris10 */
842 	{0x1002, 0x67C0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
843 	{0x1002, 0x67C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
844 	{0x1002, 0x67C2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
845 	{0x1002, 0x67C4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
846 	{0x1002, 0x67C7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
847 	{0x1002, 0x67D0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
848 	{0x1002, 0x67DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
849 	{0x1002, 0x67C8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
850 	{0x1002, 0x67C9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
851 	{0x1002, 0x67CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
852 	{0x1002, 0x67CC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
853 	{0x1002, 0x67CF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
854 	{0x1002, 0x6FDF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
855 	/* Polaris12 */
856 	{0x1002, 0x6980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
857 	{0x1002, 0x6981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
858 	{0x1002, 0x6985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
859 	{0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
860 	{0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
861 	{0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
862 	{0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
863 	{0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
864 	/* VEGAM */
865 	{0x1002, 0x694C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
866 	{0x1002, 0x694E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
867 	/* Vega 10 */
868 	{0x1002, 0x6860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
869 	{0x1002, 0x6861, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
870 	{0x1002, 0x6862, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
871 	{0x1002, 0x6863, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
872 	{0x1002, 0x6864, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
873 	{0x1002, 0x6867, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
874 	{0x1002, 0x6868, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
875 	{0x1002, 0x686c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
876 	{0x1002, 0x687f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
877 	/* Vega 12 */
878 	{0x1002, 0x69A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
879 	{0x1002, 0x69A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
880 	{0x1002, 0x69A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
881 	{0x1002, 0x69A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
882 	{0x1002, 0x69AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
883 	/* Vega 20 */
884 	{0x1002, 0x66A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20},
885 	{0x1002, 0x66A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20},
886 	{0x1002, 0x66A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20},
887 	{0x1002, 0x66A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20},
888 	{0x1002, 0x66A7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20},
889 	{0x1002, 0x66AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20},
890 	/* Raven */
891 	{0x1002, 0x15dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RAVEN|AMD_IS_APU},
892 	{0x1002, 0x15d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RAVEN|AMD_IS_APU},
893 
894 	{0, 0, 0}
895 };
896 
897 MODULE_DEVICE_TABLE(pci, pciidlist);
898 
899 static struct drm_driver kms_driver;
900 
901 static int amdgpu_pci_probe(struct pci_dev *pdev,
902 			    const struct pci_device_id *ent)
903 {
904 	struct drm_device *dev;
905 	unsigned long flags = ent->driver_data;
906 	int ret, retry = 0;
907 	bool supports_atomic = false;
908 
909 	if (!amdgpu_virtual_display &&
910 	    amdgpu_device_asic_has_dc_support(flags & AMD_ASIC_MASK))
911 		supports_atomic = true;
912 
913 	if ((flags & AMD_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) {
914 		DRM_INFO("This hardware requires experimental hardware support.\n"
915 			 "See modparam exp_hw_support\n");
916 		return -ENODEV;
917 	}
918 
919 	/* Get rid of things like offb */
920 	ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "amdgpudrmfb");
921 	if (ret)
922 		return ret;
923 
924 	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
925 	if (IS_ERR(dev))
926 		return PTR_ERR(dev);
927 
928 	if (!supports_atomic)
929 		dev->driver_features &= ~DRIVER_ATOMIC;
930 
931 	ret = pci_enable_device(pdev);
932 	if (ret)
933 		goto err_free;
934 
935 	dev->pdev = pdev;
936 
937 	pci_set_drvdata(pdev, dev);
938 
939 retry_init:
940 	ret = drm_dev_register(dev, ent->driver_data);
941 	if (ret == -EAGAIN && ++retry <= 3) {
942 		DRM_INFO("retry init %d\n", retry);
943 		/* Don't request EX mode too frequently which is attacking */
944 		msleep(5000);
945 		goto retry_init;
946 	} else if (ret)
947 		goto err_pci;
948 
949 	return 0;
950 
951 err_pci:
952 	pci_disable_device(pdev);
953 err_free:
954 	drm_dev_put(dev);
955 	return ret;
956 }
957 
958 static void
959 amdgpu_pci_remove(struct pci_dev *pdev)
960 {
961 	struct drm_device *dev = pci_get_drvdata(pdev);
962 
963 	DRM_ERROR("Device removal is currently not supported outside of fbcon\n");
964 	drm_dev_unplug(dev);
965 	pci_disable_device(pdev);
966 	pci_set_drvdata(pdev, NULL);
967 }
968 
969 static void
970 amdgpu_pci_shutdown(struct pci_dev *pdev)
971 {
972 	struct drm_device *dev = pci_get_drvdata(pdev);
973 	struct amdgpu_device *adev = dev->dev_private;
974 
975 	/* if we are running in a VM, make sure the device
976 	 * torn down properly on reboot/shutdown.
977 	 * unfortunately we can't detect certain
978 	 * hypervisors so just do this all the time.
979 	 */
980 	amdgpu_device_ip_suspend(adev);
981 }
982 
983 static int amdgpu_pmops_suspend(struct device *dev)
984 {
985 	struct pci_dev *pdev = to_pci_dev(dev);
986 
987 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
988 	return amdgpu_device_suspend(drm_dev, true, true);
989 }
990 
991 static int amdgpu_pmops_resume(struct device *dev)
992 {
993 	struct pci_dev *pdev = to_pci_dev(dev);
994 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
995 
996 	/* GPU comes up enabled by the bios on resume */
997 	if (amdgpu_device_is_px(drm_dev)) {
998 		pm_runtime_disable(dev);
999 		pm_runtime_set_active(dev);
1000 		pm_runtime_enable(dev);
1001 	}
1002 
1003 	return amdgpu_device_resume(drm_dev, true, true);
1004 }
1005 
1006 static int amdgpu_pmops_freeze(struct device *dev)
1007 {
1008 	struct pci_dev *pdev = to_pci_dev(dev);
1009 
1010 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1011 	return amdgpu_device_suspend(drm_dev, false, true);
1012 }
1013 
1014 static int amdgpu_pmops_thaw(struct device *dev)
1015 {
1016 	struct pci_dev *pdev = to_pci_dev(dev);
1017 
1018 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1019 	return amdgpu_device_resume(drm_dev, false, true);
1020 }
1021 
1022 static int amdgpu_pmops_poweroff(struct device *dev)
1023 {
1024 	struct pci_dev *pdev = to_pci_dev(dev);
1025 
1026 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1027 	return amdgpu_device_suspend(drm_dev, true, true);
1028 }
1029 
1030 static int amdgpu_pmops_restore(struct device *dev)
1031 {
1032 	struct pci_dev *pdev = to_pci_dev(dev);
1033 
1034 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1035 	return amdgpu_device_resume(drm_dev, false, true);
1036 }
1037 
1038 static int amdgpu_pmops_runtime_suspend(struct device *dev)
1039 {
1040 	struct pci_dev *pdev = to_pci_dev(dev);
1041 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1042 	int ret;
1043 
1044 	if (!amdgpu_device_is_px(drm_dev)) {
1045 		pm_runtime_forbid(dev);
1046 		return -EBUSY;
1047 	}
1048 
1049 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
1050 	drm_kms_helper_poll_disable(drm_dev);
1051 
1052 	ret = amdgpu_device_suspend(drm_dev, false, false);
1053 	pci_save_state(pdev);
1054 	pci_disable_device(pdev);
1055 	pci_ignore_hotplug(pdev);
1056 	if (amdgpu_is_atpx_hybrid())
1057 		pci_set_power_state(pdev, PCI_D3cold);
1058 	else if (!amdgpu_has_atpx_dgpu_power_cntl())
1059 		pci_set_power_state(pdev, PCI_D3hot);
1060 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
1061 
1062 	return 0;
1063 }
1064 
1065 static int amdgpu_pmops_runtime_resume(struct device *dev)
1066 {
1067 	struct pci_dev *pdev = to_pci_dev(dev);
1068 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1069 	int ret;
1070 
1071 	if (!amdgpu_device_is_px(drm_dev))
1072 		return -EINVAL;
1073 
1074 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
1075 
1076 	if (amdgpu_is_atpx_hybrid() ||
1077 	    !amdgpu_has_atpx_dgpu_power_cntl())
1078 		pci_set_power_state(pdev, PCI_D0);
1079 	pci_restore_state(pdev);
1080 	ret = pci_enable_device(pdev);
1081 	if (ret)
1082 		return ret;
1083 	pci_set_master(pdev);
1084 
1085 	ret = amdgpu_device_resume(drm_dev, false, false);
1086 	drm_kms_helper_poll_enable(drm_dev);
1087 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
1088 	return 0;
1089 }
1090 
1091 static int amdgpu_pmops_runtime_idle(struct device *dev)
1092 {
1093 	struct pci_dev *pdev = to_pci_dev(dev);
1094 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1095 	struct drm_crtc *crtc;
1096 
1097 	if (!amdgpu_device_is_px(drm_dev)) {
1098 		pm_runtime_forbid(dev);
1099 		return -EBUSY;
1100 	}
1101 
1102 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
1103 		if (crtc->enabled) {
1104 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
1105 			return -EBUSY;
1106 		}
1107 	}
1108 
1109 	pm_runtime_mark_last_busy(dev);
1110 	pm_runtime_autosuspend(dev);
1111 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
1112 	return 1;
1113 }
1114 
1115 long amdgpu_drm_ioctl(struct file *filp,
1116 		      unsigned int cmd, unsigned long arg)
1117 {
1118 	struct drm_file *file_priv = filp->private_data;
1119 	struct drm_device *dev;
1120 	long ret;
1121 	dev = file_priv->minor->dev;
1122 	ret = pm_runtime_get_sync(dev->dev);
1123 	if (ret < 0)
1124 		return ret;
1125 
1126 	ret = drm_ioctl(filp, cmd, arg);
1127 
1128 	pm_runtime_mark_last_busy(dev->dev);
1129 	pm_runtime_put_autosuspend(dev->dev);
1130 	return ret;
1131 }
1132 
1133 static const struct dev_pm_ops amdgpu_pm_ops = {
1134 	.suspend = amdgpu_pmops_suspend,
1135 	.resume = amdgpu_pmops_resume,
1136 	.freeze = amdgpu_pmops_freeze,
1137 	.thaw = amdgpu_pmops_thaw,
1138 	.poweroff = amdgpu_pmops_poweroff,
1139 	.restore = amdgpu_pmops_restore,
1140 	.runtime_suspend = amdgpu_pmops_runtime_suspend,
1141 	.runtime_resume = amdgpu_pmops_runtime_resume,
1142 	.runtime_idle = amdgpu_pmops_runtime_idle,
1143 };
1144 
1145 static int amdgpu_flush(struct file *f, fl_owner_t id)
1146 {
1147 	struct drm_file *file_priv = f->private_data;
1148 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1149 
1150 	amdgpu_ctx_mgr_entity_flush(&fpriv->ctx_mgr);
1151 
1152 	return 0;
1153 }
1154 
1155 
1156 static const struct file_operations amdgpu_driver_kms_fops = {
1157 	.owner = THIS_MODULE,
1158 	.open = drm_open,
1159 	.flush = amdgpu_flush,
1160 	.release = drm_release,
1161 	.unlocked_ioctl = amdgpu_drm_ioctl,
1162 	.mmap = amdgpu_mmap,
1163 	.poll = drm_poll,
1164 	.read = drm_read,
1165 #ifdef CONFIG_COMPAT
1166 	.compat_ioctl = amdgpu_kms_compat_ioctl,
1167 #endif
1168 };
1169 
1170 static bool
1171 amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
1172 				 bool in_vblank_irq, int *vpos, int *hpos,
1173 				 ktime_t *stime, ktime_t *etime,
1174 				 const struct drm_display_mode *mode)
1175 {
1176 	return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
1177 						  stime, etime, mode);
1178 }
1179 
1180 static struct drm_driver kms_driver = {
1181 	.driver_features =
1182 	    DRIVER_USE_AGP | DRIVER_ATOMIC |
1183 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
1184 	    DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
1185 	.load = amdgpu_driver_load_kms,
1186 	.open = amdgpu_driver_open_kms,
1187 	.postclose = amdgpu_driver_postclose_kms,
1188 	.lastclose = amdgpu_driver_lastclose_kms,
1189 	.unload = amdgpu_driver_unload_kms,
1190 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
1191 	.enable_vblank = amdgpu_enable_vblank_kms,
1192 	.disable_vblank = amdgpu_disable_vblank_kms,
1193 	.get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1194 	.get_scanout_position = amdgpu_get_crtc_scanout_position,
1195 	.irq_handler = amdgpu_irq_handler,
1196 	.ioctls = amdgpu_ioctls_kms,
1197 	.gem_free_object_unlocked = amdgpu_gem_object_free,
1198 	.gem_open_object = amdgpu_gem_object_open,
1199 	.gem_close_object = amdgpu_gem_object_close,
1200 	.dumb_create = amdgpu_mode_dumb_create,
1201 	.dumb_map_offset = amdgpu_mode_dumb_mmap,
1202 	.fops = &amdgpu_driver_kms_fops,
1203 
1204 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1205 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1206 	.gem_prime_export = amdgpu_gem_prime_export,
1207 	.gem_prime_import = amdgpu_gem_prime_import,
1208 	.gem_prime_res_obj = amdgpu_gem_prime_res_obj,
1209 	.gem_prime_get_sg_table = amdgpu_gem_prime_get_sg_table,
1210 	.gem_prime_import_sg_table = amdgpu_gem_prime_import_sg_table,
1211 	.gem_prime_vmap = amdgpu_gem_prime_vmap,
1212 	.gem_prime_vunmap = amdgpu_gem_prime_vunmap,
1213 	.gem_prime_mmap = amdgpu_gem_prime_mmap,
1214 
1215 	.name = DRIVER_NAME,
1216 	.desc = DRIVER_DESC,
1217 	.date = DRIVER_DATE,
1218 	.major = KMS_DRIVER_MAJOR,
1219 	.minor = KMS_DRIVER_MINOR,
1220 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
1221 };
1222 
1223 static struct drm_driver *driver;
1224 static struct pci_driver *pdriver;
1225 
1226 static struct pci_driver amdgpu_kms_pci_driver = {
1227 	.name = DRIVER_NAME,
1228 	.id_table = pciidlist,
1229 	.probe = amdgpu_pci_probe,
1230 	.remove = amdgpu_pci_remove,
1231 	.shutdown = amdgpu_pci_shutdown,
1232 	.driver.pm = &amdgpu_pm_ops,
1233 };
1234 
1235 
1236 
1237 static int __init amdgpu_init(void)
1238 {
1239 	int r;
1240 
1241 	if (vgacon_text_force()) {
1242 		DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
1243 		return -EINVAL;
1244 	}
1245 
1246 	r = amdgpu_sync_init();
1247 	if (r)
1248 		goto error_sync;
1249 
1250 	r = amdgpu_fence_slab_init();
1251 	if (r)
1252 		goto error_fence;
1253 
1254 	DRM_INFO("amdgpu kernel modesetting enabled.\n");
1255 	driver = &kms_driver;
1256 	pdriver = &amdgpu_kms_pci_driver;
1257 	driver->num_ioctls = amdgpu_max_kms_ioctl;
1258 	amdgpu_register_atpx_handler();
1259 
1260 	/* Ignore KFD init failures. Normal when CONFIG_HSA_AMD is not set. */
1261 	amdgpu_amdkfd_init();
1262 
1263 	/* let modprobe override vga console setting */
1264 	return pci_register_driver(pdriver);
1265 
1266 error_fence:
1267 	amdgpu_sync_fini();
1268 
1269 error_sync:
1270 	return r;
1271 }
1272 
1273 static void __exit amdgpu_exit(void)
1274 {
1275 	amdgpu_amdkfd_fini();
1276 	pci_unregister_driver(pdriver);
1277 	amdgpu_unregister_atpx_handler();
1278 	amdgpu_sync_fini();
1279 	amdgpu_fence_slab_fini();
1280 }
1281 
1282 module_init(amdgpu_init);
1283 module_exit(amdgpu_exit);
1284 
1285 MODULE_AUTHOR(DRIVER_AUTHOR);
1286 MODULE_DESCRIPTION(DRIVER_DESC);
1287 MODULE_LICENSE("GPL and additional rights");
1288