xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c (revision c62d3cd0ddd629606a3830aa22e9dcc6c2a0d3bf)
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 
131 /**
132  * DOC: vramlimit (int)
133  * Restrict the total amount of VRAM in MiB for testing.  The default is 0 (Use full VRAM).
134  */
135 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
136 module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
137 
138 /**
139  * DOC: vis_vramlimit (int)
140  * Restrict the amount of CPU visible VRAM in MiB for testing.  The default is 0 (Use full CPU visible VRAM).
141  */
142 MODULE_PARM_DESC(vis_vramlimit, "Restrict visible VRAM for testing, in megabytes");
143 module_param_named(vis_vramlimit, amdgpu_vis_vram_limit, int, 0444);
144 
145 /**
146  * DOC: gartsize (uint)
147  * Restrict the size of GART in Mib (32, 64, etc.) for testing. The default is -1 (The size depends on asic).
148  */
149 MODULE_PARM_DESC(gartsize, "Size of GART to setup in megabytes (32, 64, etc., -1=auto)");
150 module_param_named(gartsize, amdgpu_gart_size, uint, 0600);
151 
152 /**
153  * DOC: gttsize (int)
154  * Restrict the size of GTT domain in MiB for testing. The default is -1 (It's VRAM size if 3GB < VRAM < 3/4 RAM,
155  * otherwise 3/4 RAM size).
156  */
157 MODULE_PARM_DESC(gttsize, "Size of the GTT domain in megabytes (-1 = auto)");
158 module_param_named(gttsize, amdgpu_gtt_size, int, 0600);
159 
160 /**
161  * DOC: moverate (int)
162  * Set maximum buffer migration rate in MB/s. The default is -1 (8 MB/s).
163  */
164 MODULE_PARM_DESC(moverate, "Maximum buffer migration rate in MB/s. (32, 64, etc., -1=auto, 0=1=disabled)");
165 module_param_named(moverate, amdgpu_moverate, int, 0600);
166 
167 /**
168  * DOC: benchmark (int)
169  * Run benchmarks. The default is 0 (Skip benchmarks).
170  */
171 MODULE_PARM_DESC(benchmark, "Run benchmark");
172 module_param_named(benchmark, amdgpu_benchmarking, int, 0444);
173 
174 /**
175  * DOC: test (int)
176  * Test BO GTT->VRAM and VRAM->GTT GPU copies. The default is 0 (Skip test, only set 1 to run test).
177  */
178 MODULE_PARM_DESC(test, "Run tests");
179 module_param_named(test, amdgpu_testing, int, 0444);
180 
181 /**
182  * DOC: audio (int)
183  * Set HDMI/DPAudio. Only affects non-DC display handling. The default is -1 (Enabled), set 0 to disabled it.
184  */
185 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
186 module_param_named(audio, amdgpu_audio, int, 0444);
187 
188 /**
189  * DOC: disp_priority (int)
190  * Set display Priority (1 = normal, 2 = high). Only affects non-DC display handling. The default is 0 (auto).
191  */
192 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
193 module_param_named(disp_priority, amdgpu_disp_priority, int, 0444);
194 
195 /**
196  * DOC: hw_i2c (int)
197  * To enable hw i2c engine. Only affects non-DC display handling. The default is 0 (Disabled).
198  */
199 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
200 module_param_named(hw_i2c, amdgpu_hw_i2c, int, 0444);
201 
202 /**
203  * DOC: pcie_gen2 (int)
204  * To disable PCIE Gen2/3 mode (0 = disable, 1 = enable). The default is -1 (auto, enabled).
205  */
206 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
207 module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444);
208 
209 /**
210  * DOC: msi (int)
211  * To disable Message Signaled Interrupts (MSI) functionality (1 = enable, 0 = disable). The default is -1 (auto, enabled).
212  */
213 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
214 module_param_named(msi, amdgpu_msi, int, 0444);
215 
216 /**
217  * DOC: lockup_timeout (int)
218  * Set GPU scheduler timeout value in ms. Value 0 is invalidated, will be adjusted to 10000.
219  * Negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET). The default is 10000.
220  */
221 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms > 0 (default 10000)");
222 module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444);
223 
224 /**
225  * DOC: dpm (int)
226  * Override for dynamic power management setting (1 = enable, 0 = disable). The default is -1 (auto).
227  */
228 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
229 module_param_named(dpm, amdgpu_dpm, int, 0444);
230 
231 /**
232  * DOC: fw_load_type (int)
233  * Set different firmware loading type for debugging (0 = direct, 1 = SMU, 2 = PSP). The default is -1 (auto).
234  */
235 MODULE_PARM_DESC(fw_load_type, "firmware loading type (0 = direct, 1 = SMU, 2 = PSP, -1 = auto)");
236 module_param_named(fw_load_type, amdgpu_fw_load_type, int, 0444);
237 
238 /**
239  * DOC: aspm (int)
240  * To disable ASPM (1 = enable, 0 = disable). The default is -1 (auto, enabled).
241  */
242 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
243 module_param_named(aspm, amdgpu_aspm, int, 0444);
244 
245 /**
246  * DOC: runpm (int)
247  * Override for runtime power management control for dGPUs in PX/HG laptops. The amdgpu driver can dynamically power down
248  * the dGPU on PX/HG laptops when it is idle. The default is -1 (auto enable). Setting the value to 0 disables this functionality.
249  */
250 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
251 module_param_named(runpm, amdgpu_runtime_pm, int, 0444);
252 
253 /**
254  * DOC: ip_block_mask (uint)
255  * Override what IP blocks are enabled on the GPU. Each GPU is a collection of IP blocks (gfx, display, video, etc.).
256  * Use this parameter to disable specific blocks. Note that the IP blocks do not have a fixed index. Some asics may not have
257  * some IPs or may include multiple instances of an IP so the ordering various from asic to asic. See the driver output in
258  * the kernel log for the list of IPs on the asic. The default is 0xffffffff (enable all blocks on a device).
259  */
260 MODULE_PARM_DESC(ip_block_mask, "IP Block Mask (all blocks enabled (default))");
261 module_param_named(ip_block_mask, amdgpu_ip_block_mask, uint, 0444);
262 
263 /**
264  * DOC: bapm (int)
265  * Bidirectional Application Power Management (BAPM) used to dynamically share TDP between CPU and GPU. Set value 0 to disable it.
266  * The default -1 (auto, enabled)
267  */
268 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
269 module_param_named(bapm, amdgpu_bapm, int, 0444);
270 
271 /**
272  * DOC: deep_color (int)
273  * Set 1 to enable Deep Color support. Only affects non-DC display handling. The default is 0 (disabled).
274  */
275 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
276 module_param_named(deep_color, amdgpu_deep_color, int, 0444);
277 
278 /**
279  * DOC: vm_size (int)
280  * Override the size of the GPU's per client virtual address space in GiB.  The default is -1 (automatic for each asic).
281  */
282 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)");
283 module_param_named(vm_size, amdgpu_vm_size, int, 0444);
284 
285 /**
286  * DOC: vm_fragment_size (int)
287  * Override VM fragment size in bits (4, 5, etc. 4 = 64K, 9 = 2M). The default is -1 (automatic for each asic).
288  */
289 MODULE_PARM_DESC(vm_fragment_size, "VM fragment size in bits (4, 5, etc. 4 = 64K (default), Max 9 = 2M)");
290 module_param_named(vm_fragment_size, amdgpu_vm_fragment_size, int, 0444);
291 
292 /**
293  * DOC: vm_block_size (int)
294  * Override VM page table size in bits (default depending on vm_size and hw setup). The default is -1 (automatic for each asic).
295  */
296 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
297 module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444);
298 
299 /**
300  * DOC: vm_fault_stop (int)
301  * Stop on VM fault for debugging (0 = never, 1 = print first, 2 = always). The default is 0 (No stop).
302  */
303 MODULE_PARM_DESC(vm_fault_stop, "Stop on VM fault (0 = never (default), 1 = print first, 2 = always)");
304 module_param_named(vm_fault_stop, amdgpu_vm_fault_stop, int, 0444);
305 
306 /**
307  * DOC: vm_debug (int)
308  * Debug VM handling (0 = disabled, 1 = enabled). The default is 0 (Disabled).
309  */
310 MODULE_PARM_DESC(vm_debug, "Debug VM handling (0 = disabled (default), 1 = enabled)");
311 module_param_named(vm_debug, amdgpu_vm_debug, int, 0644);
312 
313 /**
314  * DOC: vm_update_mode (int)
315  * Override VM update mode. VM updated by using CPU (0 = never, 1 = Graphics only, 2 = Compute only, 3 = Both). The default
316  * is -1 (Only in large BAR(LB) systems Compute VM tables will be updated by CPU, otherwise 0, never).
317  */
318 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");
319 module_param_named(vm_update_mode, amdgpu_vm_update_mode, int, 0444);
320 
321 /**
322  * DOC: vram_page_split (int)
323  * Override the number of pages after we split VRAM allocations (default 512, -1 = disable). The default is 512.
324  */
325 MODULE_PARM_DESC(vram_page_split, "Number of pages after we split VRAM allocations (default 512, -1 = disable)");
326 module_param_named(vram_page_split, amdgpu_vram_page_split, int, 0444);
327 
328 /**
329  * DOC: exp_hw_support (int)
330  * Enable experimental hw support (1 = enable). The default is 0 (disabled).
331  */
332 MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))");
333 module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444);
334 
335 /**
336  * DOC: dc (int)
337  * Disable/Enable Display Core driver for debugging (1 = enable, 0 = disable). The default is -1 (automatic for each asic).
338  */
339 MODULE_PARM_DESC(dc, "Display Core driver (1 = enable, 0 = disable, -1 = auto (default))");
340 module_param_named(dc, amdgpu_dc, int, 0444);
341 
342 /**
343  * DOC: sched_jobs (int)
344  * Override the max number of jobs supported in the sw queue. The default is 32.
345  */
346 MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 32)");
347 module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444);
348 
349 /**
350  * DOC: sched_hw_submission (int)
351  * Override the max number of HW submissions. The default is 2.
352  */
353 MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
354 module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
355 
356 /**
357  * DOC: ppfeaturemask (uint)
358  * Override power features enabled. See enum PP_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
359  * The default is the current set of stable power features.
360  */
361 MODULE_PARM_DESC(ppfeaturemask, "all power features enabled (default))");
362 module_param_named(ppfeaturemask, amdgpu_pp_feature_mask, uint, 0444);
363 
364 /**
365  * DOC: pcie_gen_cap (uint)
366  * Override PCIE gen speed capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
367  * The default is 0 (automatic for each asic).
368  */
369 MODULE_PARM_DESC(pcie_gen_cap, "PCIE Gen Caps (0: autodetect (default))");
370 module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444);
371 
372 /**
373  * DOC: pcie_lane_cap (uint)
374  * Override PCIE lanes capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
375  * The default is 0 (automatic for each asic).
376  */
377 MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))");
378 module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444);
379 
380 /**
381  * DOC: cg_mask (uint)
382  * Override Clockgating features enabled on GPU (0 = disable clock gating). See the AMD_CG_SUPPORT flags in
383  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
384  */
385 MODULE_PARM_DESC(cg_mask, "Clockgating flags mask (0 = disable clock gating)");
386 module_param_named(cg_mask, amdgpu_cg_mask, uint, 0444);
387 
388 /**
389  * DOC: pg_mask (uint)
390  * Override Powergating features enabled on GPU (0 = disable power gating). See the AMD_PG_SUPPORT flags in
391  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
392  */
393 MODULE_PARM_DESC(pg_mask, "Powergating flags mask (0 = disable power gating)");
394 module_param_named(pg_mask, amdgpu_pg_mask, uint, 0444);
395 
396 /**
397  * DOC: sdma_phase_quantum (uint)
398  * Override SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change). The default is 32.
399  */
400 MODULE_PARM_DESC(sdma_phase_quantum, "SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change (default 32))");
401 module_param_named(sdma_phase_quantum, amdgpu_sdma_phase_quantum, uint, 0444);
402 
403 /**
404  * DOC: disable_cu (charp)
405  * Set to disable CUs (It's set like se.sh.cu,...). The default is NULL.
406  */
407 MODULE_PARM_DESC(disable_cu, "Disable CUs (se.sh.cu,...)");
408 module_param_named(disable_cu, amdgpu_disable_cu, charp, 0444);
409 
410 /**
411  * DOC: virtual_display (charp)
412  * Set to enable virtual display feature. This feature provides a virtual display hardware on headless boards
413  * 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
414  * the device, plus the number of crtcs to expose. E.g., 0000:26:00.0,4 would enable 4 virtual crtcs on the pci
415  * device at 26:00.0. The default is NULL.
416  */
417 MODULE_PARM_DESC(virtual_display,
418 		 "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x)");
419 module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444);
420 
421 /**
422  * DOC: ngg (int)
423  * Set to enable Next Generation Graphics (1 = enable). The default is 0 (disabled).
424  */
425 MODULE_PARM_DESC(ngg, "Next Generation Graphics (1 = enable, 0 = disable(default depending on gfx))");
426 module_param_named(ngg, amdgpu_ngg, int, 0444);
427 
428 /**
429  * DOC: prim_buf_per_se (int)
430  * Override the size of Primitive Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
431  */
432 MODULE_PARM_DESC(prim_buf_per_se, "the size of Primitive Buffer per Shader Engine (default depending on gfx)");
433 module_param_named(prim_buf_per_se, amdgpu_prim_buf_per_se, int, 0444);
434 
435 /**
436  * DOC: pos_buf_per_se (int)
437  * Override the size of Position Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
438  */
439 MODULE_PARM_DESC(pos_buf_per_se, "the size of Position Buffer per Shader Engine (default depending on gfx)");
440 module_param_named(pos_buf_per_se, amdgpu_pos_buf_per_se, int, 0444);
441 
442 /**
443  * DOC: cntl_sb_buf_per_se (int)
444  * Override the size of Control Sideband per Shader Engine in Byte. The default is 0 (depending on gfx).
445  */
446 MODULE_PARM_DESC(cntl_sb_buf_per_se, "the size of Control Sideband per Shader Engine (default depending on gfx)");
447 module_param_named(cntl_sb_buf_per_se, amdgpu_cntl_sb_buf_per_se, int, 0444);
448 
449 /**
450  * DOC: param_buf_per_se (int)
451  * Override the size of Off-Chip Pramater Cache per Shader Engine in Byte. The default is 0 (depending on gfx).
452  */
453 MODULE_PARM_DESC(param_buf_per_se, "the size of Off-Chip Pramater Cache per Shader Engine (default depending on gfx)");
454 module_param_named(param_buf_per_se, amdgpu_param_buf_per_se, int, 0444);
455 
456 /**
457  * DOC: job_hang_limit (int)
458  * Set how much time allow a job hang and not drop it. The default is 0.
459  */
460 MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop it (default 0)");
461 module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
462 
463 /**
464  * DOC: lbpw (int)
465  * Override Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable). The default is -1 (auto, enabled).
466  */
467 MODULE_PARM_DESC(lbpw, "Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable, -1 = auto)");
468 module_param_named(lbpw, amdgpu_lbpw, int, 0444);
469 
470 MODULE_PARM_DESC(compute_multipipe, "Force compute queues to be spread across pipes (1 = enable, 0 = disable, -1 = auto)");
471 module_param_named(compute_multipipe, amdgpu_compute_multipipe, int, 0444);
472 
473 /**
474  * DOC: gpu_recovery (int)
475  * Set to enable GPU recovery mechanism (1 = enable, 0 = disable). The default is -1 (auto, disabled except SRIOV).
476  */
477 MODULE_PARM_DESC(gpu_recovery, "Enable GPU recovery mechanism, (1 = enable, 0 = disable, -1 = auto)");
478 module_param_named(gpu_recovery, amdgpu_gpu_recovery, int, 0444);
479 
480 /**
481  * DOC: emu_mode (int)
482  * Set value 1 to enable emulation mode. This is only needed when running on an emulator. The default is 0 (disabled).
483  */
484 MODULE_PARM_DESC(emu_mode, "Emulation mode, (1 = enable, 0 = disable)");
485 module_param_named(emu_mode, amdgpu_emu_mode, int, 0444);
486 
487 /**
488  * DOC: si_support (int)
489  * Set SI support driver. This parameter works after set config CONFIG_DRM_AMDGPU_SI. For SI asic, when radeon driver is enabled,
490  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
491  * otherwise using amdgpu driver.
492  */
493 #ifdef CONFIG_DRM_AMDGPU_SI
494 
495 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
496 int amdgpu_si_support = 0;
497 MODULE_PARM_DESC(si_support, "SI support (1 = enabled, 0 = disabled (default))");
498 #else
499 int amdgpu_si_support = 1;
500 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
501 #endif
502 
503 module_param_named(si_support, amdgpu_si_support, int, 0444);
504 #endif
505 
506 /**
507  * DOC: cik_support (int)
508  * Set CIK support driver. This parameter works after set config CONFIG_DRM_AMDGPU_CIK. For CIK asic, when radeon driver is enabled,
509  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
510  * otherwise using amdgpu driver.
511  */
512 #ifdef CONFIG_DRM_AMDGPU_CIK
513 
514 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
515 int amdgpu_cik_support = 0;
516 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled, 0 = disabled (default))");
517 #else
518 int amdgpu_cik_support = 1;
519 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
520 #endif
521 
522 module_param_named(cik_support, amdgpu_cik_support, int, 0444);
523 #endif
524 
525 /**
526  * DOC: smu_memory_pool_size (uint)
527  * It is used to reserve gtt for smu debug usage, setting value 0 to disable it. The actual size is value * 256MiB.
528  * E.g. 0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte. The default is 0 (disabled).
529  */
530 MODULE_PARM_DESC(smu_memory_pool_size,
531 	"reserve gtt for smu debug usage, 0 = disable,"
532 		"0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
533 module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444);
534 
535 static const struct pci_device_id pciidlist[] = {
536 #ifdef  CONFIG_DRM_AMDGPU_SI
537 	{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
538 	{0x1002, 0x6784, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
539 	{0x1002, 0x6788, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
540 	{0x1002, 0x678A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
541 	{0x1002, 0x6790, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
542 	{0x1002, 0x6791, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
543 	{0x1002, 0x6792, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
544 	{0x1002, 0x6798, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
545 	{0x1002, 0x6799, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
546 	{0x1002, 0x679A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
547 	{0x1002, 0x679B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
548 	{0x1002, 0x679E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
549 	{0x1002, 0x679F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
550 	{0x1002, 0x6800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
551 	{0x1002, 0x6801, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
552 	{0x1002, 0x6802, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
553 	{0x1002, 0x6806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
554 	{0x1002, 0x6808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
555 	{0x1002, 0x6809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
556 	{0x1002, 0x6810, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
557 	{0x1002, 0x6811, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
558 	{0x1002, 0x6816, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
559 	{0x1002, 0x6817, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
560 	{0x1002, 0x6818, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
561 	{0x1002, 0x6819, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
562 	{0x1002, 0x6600, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
563 	{0x1002, 0x6601, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
564 	{0x1002, 0x6602, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
565 	{0x1002, 0x6603, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
566 	{0x1002, 0x6604, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
567 	{0x1002, 0x6605, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
568 	{0x1002, 0x6606, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
569 	{0x1002, 0x6607, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
570 	{0x1002, 0x6608, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
571 	{0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
572 	{0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
573 	{0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
574 	{0x1002, 0x6617, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
575 	{0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
576 	{0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
577 	{0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
578 	{0x1002, 0x6631, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
579 	{0x1002, 0x6820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
580 	{0x1002, 0x6821, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
581 	{0x1002, 0x6822, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
582 	{0x1002, 0x6823, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
583 	{0x1002, 0x6824, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
584 	{0x1002, 0x6825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
585 	{0x1002, 0x6826, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
586 	{0x1002, 0x6827, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
587 	{0x1002, 0x6828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
588 	{0x1002, 0x6829, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
589 	{0x1002, 0x682A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
590 	{0x1002, 0x682B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
591 	{0x1002, 0x682C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
592 	{0x1002, 0x682D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
593 	{0x1002, 0x682F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
594 	{0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
595 	{0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
596 	{0x1002, 0x6835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
597 	{0x1002, 0x6837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
598 	{0x1002, 0x6838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
599 	{0x1002, 0x6839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
600 	{0x1002, 0x683B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
601 	{0x1002, 0x683D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
602 	{0x1002, 0x683F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
603 	{0x1002, 0x6660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
604 	{0x1002, 0x6663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
605 	{0x1002, 0x6664, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
606 	{0x1002, 0x6665, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
607 	{0x1002, 0x6667, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
608 	{0x1002, 0x666F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
609 #endif
610 #ifdef CONFIG_DRM_AMDGPU_CIK
611 	/* Kaveri */
612 	{0x1002, 0x1304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
613 	{0x1002, 0x1305, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
614 	{0x1002, 0x1306, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
615 	{0x1002, 0x1307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
616 	{0x1002, 0x1309, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
617 	{0x1002, 0x130A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
618 	{0x1002, 0x130B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
619 	{0x1002, 0x130C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
620 	{0x1002, 0x130D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
621 	{0x1002, 0x130E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
622 	{0x1002, 0x130F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
623 	{0x1002, 0x1310, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
624 	{0x1002, 0x1311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
625 	{0x1002, 0x1312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
626 	{0x1002, 0x1313, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
627 	{0x1002, 0x1315, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
628 	{0x1002, 0x1316, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
629 	{0x1002, 0x1317, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
630 	{0x1002, 0x1318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
631 	{0x1002, 0x131B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
632 	{0x1002, 0x131C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
633 	{0x1002, 0x131D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
634 	/* Bonaire */
635 	{0x1002, 0x6640, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
636 	{0x1002, 0x6641, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
637 	{0x1002, 0x6646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
638 	{0x1002, 0x6647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
639 	{0x1002, 0x6649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
640 	{0x1002, 0x6650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
641 	{0x1002, 0x6651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
642 	{0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
643 	{0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
644 	{0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
645 	{0x1002, 0x665f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
646 	/* Hawaii */
647 	{0x1002, 0x67A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
648 	{0x1002, 0x67A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
649 	{0x1002, 0x67A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
650 	{0x1002, 0x67A8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
651 	{0x1002, 0x67A9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
652 	{0x1002, 0x67AA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
653 	{0x1002, 0x67B0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
654 	{0x1002, 0x67B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
655 	{0x1002, 0x67B8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
656 	{0x1002, 0x67B9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
657 	{0x1002, 0x67BA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
658 	{0x1002, 0x67BE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
659 	/* Kabini */
660 	{0x1002, 0x9830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
661 	{0x1002, 0x9831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
662 	{0x1002, 0x9832, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
663 	{0x1002, 0x9833, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
664 	{0x1002, 0x9834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
665 	{0x1002, 0x9835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
666 	{0x1002, 0x9836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
667 	{0x1002, 0x9837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
668 	{0x1002, 0x9838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
669 	{0x1002, 0x9839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
670 	{0x1002, 0x983a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
671 	{0x1002, 0x983b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
672 	{0x1002, 0x983c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
673 	{0x1002, 0x983d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
674 	{0x1002, 0x983e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
675 	{0x1002, 0x983f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
676 	/* mullins */
677 	{0x1002, 0x9850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
678 	{0x1002, 0x9851, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
679 	{0x1002, 0x9852, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
680 	{0x1002, 0x9853, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
681 	{0x1002, 0x9854, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
682 	{0x1002, 0x9855, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
683 	{0x1002, 0x9856, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
684 	{0x1002, 0x9857, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
685 	{0x1002, 0x9858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
686 	{0x1002, 0x9859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
687 	{0x1002, 0x985A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
688 	{0x1002, 0x985B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
689 	{0x1002, 0x985C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
690 	{0x1002, 0x985D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
691 	{0x1002, 0x985E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
692 	{0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
693 #endif
694 	/* topaz */
695 	{0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
696 	{0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
697 	{0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
698 	{0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
699 	{0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
700 	/* tonga */
701 	{0x1002, 0x6920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
702 	{0x1002, 0x6921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
703 	{0x1002, 0x6928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
704 	{0x1002, 0x6929, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
705 	{0x1002, 0x692B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
706 	{0x1002, 0x692F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
707 	{0x1002, 0x6930, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
708 	{0x1002, 0x6938, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
709 	{0x1002, 0x6939, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
710 	/* fiji */
711 	{0x1002, 0x7300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
712 	{0x1002, 0x730F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
713 	/* carrizo */
714 	{0x1002, 0x9870, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
715 	{0x1002, 0x9874, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
716 	{0x1002, 0x9875, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
717 	{0x1002, 0x9876, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
718 	{0x1002, 0x9877, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
719 	/* stoney */
720 	{0x1002, 0x98E4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_STONEY|AMD_IS_APU},
721 	/* Polaris11 */
722 	{0x1002, 0x67E0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
723 	{0x1002, 0x67E3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
724 	{0x1002, 0x67E8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
725 	{0x1002, 0x67EB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
726 	{0x1002, 0x67EF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
727 	{0x1002, 0x67FF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
728 	{0x1002, 0x67E1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
729 	{0x1002, 0x67E7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
730 	{0x1002, 0x67E9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
731 	/* Polaris10 */
732 	{0x1002, 0x67C0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
733 	{0x1002, 0x67C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
734 	{0x1002, 0x67C2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
735 	{0x1002, 0x67C4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
736 	{0x1002, 0x67C7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
737 	{0x1002, 0x67D0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
738 	{0x1002, 0x67DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
739 	{0x1002, 0x67C8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
740 	{0x1002, 0x67C9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
741 	{0x1002, 0x67CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
742 	{0x1002, 0x67CC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
743 	{0x1002, 0x67CF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
744 	/* Polaris12 */
745 	{0x1002, 0x6980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
746 	{0x1002, 0x6981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
747 	{0x1002, 0x6985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
748 	{0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
749 	{0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
750 	{0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
751 	{0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
752 	{0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
753 	/* VEGAM */
754 	{0x1002, 0x694C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
755 	{0x1002, 0x694E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
756 	/* Vega 10 */
757 	{0x1002, 0x6860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
758 	{0x1002, 0x6861, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
759 	{0x1002, 0x6862, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
760 	{0x1002, 0x6863, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
761 	{0x1002, 0x6864, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
762 	{0x1002, 0x6867, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
763 	{0x1002, 0x6868, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
764 	{0x1002, 0x686c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
765 	{0x1002, 0x687f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
766 	/* Vega 12 */
767 	{0x1002, 0x69A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
768 	{0x1002, 0x69A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
769 	{0x1002, 0x69A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
770 	{0x1002, 0x69A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
771 	{0x1002, 0x69AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
772 	/* Vega 20 */
773 	{0x1002, 0x66A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
774 	{0x1002, 0x66A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
775 	{0x1002, 0x66A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
776 	{0x1002, 0x66A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
777 	{0x1002, 0x66A7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
778 	{0x1002, 0x66AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
779 	/* Raven */
780 	{0x1002, 0x15dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RAVEN|AMD_IS_APU},
781 
782 	{0, 0, 0}
783 };
784 
785 MODULE_DEVICE_TABLE(pci, pciidlist);
786 
787 static struct drm_driver kms_driver;
788 
789 static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev)
790 {
791 	struct apertures_struct *ap;
792 	bool primary = false;
793 
794 	ap = alloc_apertures(1);
795 	if (!ap)
796 		return -ENOMEM;
797 
798 	ap->ranges[0].base = pci_resource_start(pdev, 0);
799 	ap->ranges[0].size = pci_resource_len(pdev, 0);
800 
801 #ifdef CONFIG_X86
802 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
803 #endif
804 	drm_fb_helper_remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
805 	kfree(ap);
806 
807 	return 0;
808 }
809 
810 
811 static int amdgpu_pci_probe(struct pci_dev *pdev,
812 			    const struct pci_device_id *ent)
813 {
814 	struct drm_device *dev;
815 	unsigned long flags = ent->driver_data;
816 	int ret, retry = 0;
817 	bool supports_atomic = false;
818 
819 	if (!amdgpu_virtual_display &&
820 	    amdgpu_device_asic_has_dc_support(flags & AMD_ASIC_MASK))
821 		supports_atomic = true;
822 
823 	if ((flags & AMD_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) {
824 		DRM_INFO("This hardware requires experimental hardware support.\n"
825 			 "See modparam exp_hw_support\n");
826 		return -ENODEV;
827 	}
828 
829 	/*
830 	 * Initialize amdkfd before starting radeon. If it was not loaded yet,
831 	 * defer radeon probing
832 	 */
833 	ret = amdgpu_amdkfd_init();
834 	if (ret == -EPROBE_DEFER)
835 		return ret;
836 
837 	/* Get rid of things like offb */
838 	ret = amdgpu_kick_out_firmware_fb(pdev);
839 	if (ret)
840 		return ret;
841 
842 	/* warn the user if they mix atomic and non-atomic capable GPUs */
843 	if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
844 		DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
845 	/* support atomic early so the atomic debugfs stuff gets created */
846 	if (supports_atomic)
847 		kms_driver.driver_features |= DRIVER_ATOMIC;
848 
849 	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
850 	if (IS_ERR(dev))
851 		return PTR_ERR(dev);
852 
853 	ret = pci_enable_device(pdev);
854 	if (ret)
855 		goto err_free;
856 
857 	dev->pdev = pdev;
858 
859 	pci_set_drvdata(pdev, dev);
860 
861 retry_init:
862 	ret = drm_dev_register(dev, ent->driver_data);
863 	if (ret == -EAGAIN && ++retry <= 3) {
864 		DRM_INFO("retry init %d\n", retry);
865 		/* Don't request EX mode too frequently which is attacking */
866 		msleep(5000);
867 		goto retry_init;
868 	} else if (ret)
869 		goto err_pci;
870 
871 	return 0;
872 
873 err_pci:
874 	pci_disable_device(pdev);
875 err_free:
876 	drm_dev_put(dev);
877 	return ret;
878 }
879 
880 static void
881 amdgpu_pci_remove(struct pci_dev *pdev)
882 {
883 	struct drm_device *dev = pci_get_drvdata(pdev);
884 
885 	drm_dev_unregister(dev);
886 	drm_dev_put(dev);
887 	pci_disable_device(pdev);
888 	pci_set_drvdata(pdev, NULL);
889 }
890 
891 static void
892 amdgpu_pci_shutdown(struct pci_dev *pdev)
893 {
894 	struct drm_device *dev = pci_get_drvdata(pdev);
895 	struct amdgpu_device *adev = dev->dev_private;
896 
897 	/* if we are running in a VM, make sure the device
898 	 * torn down properly on reboot/shutdown.
899 	 * unfortunately we can't detect certain
900 	 * hypervisors so just do this all the time.
901 	 */
902 	amdgpu_device_ip_suspend(adev);
903 }
904 
905 static int amdgpu_pmops_suspend(struct device *dev)
906 {
907 	struct pci_dev *pdev = to_pci_dev(dev);
908 
909 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
910 	return amdgpu_device_suspend(drm_dev, true, true);
911 }
912 
913 static int amdgpu_pmops_resume(struct device *dev)
914 {
915 	struct pci_dev *pdev = to_pci_dev(dev);
916 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
917 
918 	/* GPU comes up enabled by the bios on resume */
919 	if (amdgpu_device_is_px(drm_dev)) {
920 		pm_runtime_disable(dev);
921 		pm_runtime_set_active(dev);
922 		pm_runtime_enable(dev);
923 	}
924 
925 	return amdgpu_device_resume(drm_dev, true, true);
926 }
927 
928 static int amdgpu_pmops_freeze(struct device *dev)
929 {
930 	struct pci_dev *pdev = to_pci_dev(dev);
931 
932 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
933 	return amdgpu_device_suspend(drm_dev, false, true);
934 }
935 
936 static int amdgpu_pmops_thaw(struct device *dev)
937 {
938 	struct pci_dev *pdev = to_pci_dev(dev);
939 
940 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
941 	return amdgpu_device_resume(drm_dev, false, true);
942 }
943 
944 static int amdgpu_pmops_poweroff(struct device *dev)
945 {
946 	struct pci_dev *pdev = to_pci_dev(dev);
947 
948 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
949 	return amdgpu_device_suspend(drm_dev, true, true);
950 }
951 
952 static int amdgpu_pmops_restore(struct device *dev)
953 {
954 	struct pci_dev *pdev = to_pci_dev(dev);
955 
956 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
957 	return amdgpu_device_resume(drm_dev, false, true);
958 }
959 
960 static int amdgpu_pmops_runtime_suspend(struct device *dev)
961 {
962 	struct pci_dev *pdev = to_pci_dev(dev);
963 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
964 	int ret;
965 
966 	if (!amdgpu_device_is_px(drm_dev)) {
967 		pm_runtime_forbid(dev);
968 		return -EBUSY;
969 	}
970 
971 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
972 	drm_kms_helper_poll_disable(drm_dev);
973 
974 	ret = amdgpu_device_suspend(drm_dev, false, false);
975 	pci_save_state(pdev);
976 	pci_disable_device(pdev);
977 	pci_ignore_hotplug(pdev);
978 	if (amdgpu_is_atpx_hybrid())
979 		pci_set_power_state(pdev, PCI_D3cold);
980 	else if (!amdgpu_has_atpx_dgpu_power_cntl())
981 		pci_set_power_state(pdev, PCI_D3hot);
982 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
983 
984 	return 0;
985 }
986 
987 static int amdgpu_pmops_runtime_resume(struct device *dev)
988 {
989 	struct pci_dev *pdev = to_pci_dev(dev);
990 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
991 	int ret;
992 
993 	if (!amdgpu_device_is_px(drm_dev))
994 		return -EINVAL;
995 
996 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
997 
998 	if (amdgpu_is_atpx_hybrid() ||
999 	    !amdgpu_has_atpx_dgpu_power_cntl())
1000 		pci_set_power_state(pdev, PCI_D0);
1001 	pci_restore_state(pdev);
1002 	ret = pci_enable_device(pdev);
1003 	if (ret)
1004 		return ret;
1005 	pci_set_master(pdev);
1006 
1007 	ret = amdgpu_device_resume(drm_dev, false, false);
1008 	drm_kms_helper_poll_enable(drm_dev);
1009 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
1010 	return 0;
1011 }
1012 
1013 static int amdgpu_pmops_runtime_idle(struct device *dev)
1014 {
1015 	struct pci_dev *pdev = to_pci_dev(dev);
1016 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1017 	struct drm_crtc *crtc;
1018 
1019 	if (!amdgpu_device_is_px(drm_dev)) {
1020 		pm_runtime_forbid(dev);
1021 		return -EBUSY;
1022 	}
1023 
1024 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
1025 		if (crtc->enabled) {
1026 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
1027 			return -EBUSY;
1028 		}
1029 	}
1030 
1031 	pm_runtime_mark_last_busy(dev);
1032 	pm_runtime_autosuspend(dev);
1033 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
1034 	return 1;
1035 }
1036 
1037 long amdgpu_drm_ioctl(struct file *filp,
1038 		      unsigned int cmd, unsigned long arg)
1039 {
1040 	struct drm_file *file_priv = filp->private_data;
1041 	struct drm_device *dev;
1042 	long ret;
1043 	dev = file_priv->minor->dev;
1044 	ret = pm_runtime_get_sync(dev->dev);
1045 	if (ret < 0)
1046 		return ret;
1047 
1048 	ret = drm_ioctl(filp, cmd, arg);
1049 
1050 	pm_runtime_mark_last_busy(dev->dev);
1051 	pm_runtime_put_autosuspend(dev->dev);
1052 	return ret;
1053 }
1054 
1055 static const struct dev_pm_ops amdgpu_pm_ops = {
1056 	.suspend = amdgpu_pmops_suspend,
1057 	.resume = amdgpu_pmops_resume,
1058 	.freeze = amdgpu_pmops_freeze,
1059 	.thaw = amdgpu_pmops_thaw,
1060 	.poweroff = amdgpu_pmops_poweroff,
1061 	.restore = amdgpu_pmops_restore,
1062 	.runtime_suspend = amdgpu_pmops_runtime_suspend,
1063 	.runtime_resume = amdgpu_pmops_runtime_resume,
1064 	.runtime_idle = amdgpu_pmops_runtime_idle,
1065 };
1066 
1067 static int amdgpu_flush(struct file *f, fl_owner_t id)
1068 {
1069 	struct drm_file *file_priv = f->private_data;
1070 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1071 
1072 	amdgpu_ctx_mgr_entity_flush(&fpriv->ctx_mgr);
1073 
1074 	return 0;
1075 }
1076 
1077 
1078 static const struct file_operations amdgpu_driver_kms_fops = {
1079 	.owner = THIS_MODULE,
1080 	.open = drm_open,
1081 	.flush = amdgpu_flush,
1082 	.release = drm_release,
1083 	.unlocked_ioctl = amdgpu_drm_ioctl,
1084 	.mmap = amdgpu_mmap,
1085 	.poll = drm_poll,
1086 	.read = drm_read,
1087 #ifdef CONFIG_COMPAT
1088 	.compat_ioctl = amdgpu_kms_compat_ioctl,
1089 #endif
1090 };
1091 
1092 static bool
1093 amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
1094 				 bool in_vblank_irq, int *vpos, int *hpos,
1095 				 ktime_t *stime, ktime_t *etime,
1096 				 const struct drm_display_mode *mode)
1097 {
1098 	return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
1099 						  stime, etime, mode);
1100 }
1101 
1102 static struct drm_driver kms_driver = {
1103 	.driver_features =
1104 	    DRIVER_USE_AGP |
1105 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
1106 	    DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
1107 	.load = amdgpu_driver_load_kms,
1108 	.open = amdgpu_driver_open_kms,
1109 	.postclose = amdgpu_driver_postclose_kms,
1110 	.lastclose = amdgpu_driver_lastclose_kms,
1111 	.unload = amdgpu_driver_unload_kms,
1112 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
1113 	.enable_vblank = amdgpu_enable_vblank_kms,
1114 	.disable_vblank = amdgpu_disable_vblank_kms,
1115 	.get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1116 	.get_scanout_position = amdgpu_get_crtc_scanout_position,
1117 	.irq_handler = amdgpu_irq_handler,
1118 	.ioctls = amdgpu_ioctls_kms,
1119 	.gem_free_object_unlocked = amdgpu_gem_object_free,
1120 	.gem_open_object = amdgpu_gem_object_open,
1121 	.gem_close_object = amdgpu_gem_object_close,
1122 	.dumb_create = amdgpu_mode_dumb_create,
1123 	.dumb_map_offset = amdgpu_mode_dumb_mmap,
1124 	.fops = &amdgpu_driver_kms_fops,
1125 
1126 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1127 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1128 	.gem_prime_export = amdgpu_gem_prime_export,
1129 	.gem_prime_import = amdgpu_gem_prime_import,
1130 	.gem_prime_res_obj = amdgpu_gem_prime_res_obj,
1131 	.gem_prime_get_sg_table = amdgpu_gem_prime_get_sg_table,
1132 	.gem_prime_import_sg_table = amdgpu_gem_prime_import_sg_table,
1133 	.gem_prime_vmap = amdgpu_gem_prime_vmap,
1134 	.gem_prime_vunmap = amdgpu_gem_prime_vunmap,
1135 	.gem_prime_mmap = amdgpu_gem_prime_mmap,
1136 
1137 	.name = DRIVER_NAME,
1138 	.desc = DRIVER_DESC,
1139 	.date = DRIVER_DATE,
1140 	.major = KMS_DRIVER_MAJOR,
1141 	.minor = KMS_DRIVER_MINOR,
1142 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
1143 };
1144 
1145 static struct drm_driver *driver;
1146 static struct pci_driver *pdriver;
1147 
1148 static struct pci_driver amdgpu_kms_pci_driver = {
1149 	.name = DRIVER_NAME,
1150 	.id_table = pciidlist,
1151 	.probe = amdgpu_pci_probe,
1152 	.remove = amdgpu_pci_remove,
1153 	.shutdown = amdgpu_pci_shutdown,
1154 	.driver.pm = &amdgpu_pm_ops,
1155 };
1156 
1157 
1158 
1159 static int __init amdgpu_init(void)
1160 {
1161 	int r;
1162 
1163 	if (vgacon_text_force()) {
1164 		DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
1165 		return -EINVAL;
1166 	}
1167 
1168 	r = amdgpu_sync_init();
1169 	if (r)
1170 		goto error_sync;
1171 
1172 	r = amdgpu_fence_slab_init();
1173 	if (r)
1174 		goto error_fence;
1175 
1176 	DRM_INFO("amdgpu kernel modesetting enabled.\n");
1177 	driver = &kms_driver;
1178 	pdriver = &amdgpu_kms_pci_driver;
1179 	driver->num_ioctls = amdgpu_max_kms_ioctl;
1180 	amdgpu_register_atpx_handler();
1181 	/* let modprobe override vga console setting */
1182 	return pci_register_driver(pdriver);
1183 
1184 error_fence:
1185 	amdgpu_sync_fini();
1186 
1187 error_sync:
1188 	return r;
1189 }
1190 
1191 static void __exit amdgpu_exit(void)
1192 {
1193 	amdgpu_amdkfd_fini();
1194 	pci_unregister_driver(pdriver);
1195 	amdgpu_unregister_atpx_handler();
1196 	amdgpu_sync_fini();
1197 	amdgpu_fence_slab_fini();
1198 }
1199 
1200 module_init(amdgpu_init);
1201 module_exit(amdgpu_exit);
1202 
1203 MODULE_AUTHOR(DRIVER_AUTHOR);
1204 MODULE_DESCRIPTION(DRIVER_DESC);
1205 MODULE_LICENSE("GPL and additional rights");
1206