xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c (revision ba61bb17496d1664bf7c5c2fd650d5fd78bd0a92)
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 
40 #include "amdgpu_amdkfd.h"
41 
42 /*
43  * KMS wrapper.
44  * - 3.0.0 - initial driver
45  * - 3.1.0 - allow reading more status registers (GRBM, SRBM, SDMA, CP)
46  * - 3.2.0 - GFX8: Uses EOP_TC_WB_ACTION_EN, so UMDs don't have to do the same
47  *           at the end of IBs.
48  * - 3.3.0 - Add VM support for UVD on supported hardware.
49  * - 3.4.0 - Add AMDGPU_INFO_NUM_EVICTIONS.
50  * - 3.5.0 - Add support for new UVD_NO_OP register.
51  * - 3.6.0 - kmd involves use CONTEXT_CONTROL in ring buffer.
52  * - 3.7.0 - Add support for VCE clock list packet
53  * - 3.8.0 - Add support raster config init in the kernel
54  * - 3.9.0 - Add support for memory query info about VRAM and GTT.
55  * - 3.10.0 - Add support for new fences ioctl, new gem ioctl flags
56  * - 3.11.0 - Add support for sensor query info (clocks, temp, etc).
57  * - 3.12.0 - Add query for double offchip LDS buffers
58  * - 3.13.0 - Add PRT support
59  * - 3.14.0 - Fix race in amdgpu_ctx_get_fence() and note new functionality
60  * - 3.15.0 - Export more gpu info for gfx9
61  * - 3.16.0 - Add reserved vmid support
62  * - 3.17.0 - Add AMDGPU_NUM_VRAM_CPU_PAGE_FAULTS.
63  * - 3.18.0 - Export gpu always on cu bitmap
64  * - 3.19.0 - Add support for UVD MJPEG decode
65  * - 3.20.0 - Add support for local BOs
66  * - 3.21.0 - Add DRM_AMDGPU_FENCE_TO_HANDLE ioctl
67  * - 3.22.0 - Add DRM_AMDGPU_SCHED ioctl
68  * - 3.23.0 - Add query for VRAM lost counter
69  * - 3.24.0 - Add high priority compute support for gfx9
70  * - 3.25.0 - Add support for sensor query info (stable pstate sclk/mclk).
71  * - 3.26.0 - GFX9: Process AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE.
72  */
73 #define KMS_DRIVER_MAJOR	3
74 #define KMS_DRIVER_MINOR	26
75 #define KMS_DRIVER_PATCHLEVEL	0
76 
77 int amdgpu_vram_limit = 0;
78 int amdgpu_vis_vram_limit = 0;
79 int amdgpu_gart_size = -1; /* auto */
80 int amdgpu_gtt_size = -1; /* auto */
81 int amdgpu_moverate = -1; /* auto */
82 int amdgpu_benchmarking = 0;
83 int amdgpu_testing = 0;
84 int amdgpu_audio = -1;
85 int amdgpu_disp_priority = 0;
86 int amdgpu_hw_i2c = 0;
87 int amdgpu_pcie_gen2 = -1;
88 int amdgpu_msi = -1;
89 int amdgpu_lockup_timeout = 10000;
90 int amdgpu_dpm = -1;
91 int amdgpu_fw_load_type = -1;
92 int amdgpu_aspm = -1;
93 int amdgpu_runtime_pm = -1;
94 uint amdgpu_ip_block_mask = 0xffffffff;
95 int amdgpu_bapm = -1;
96 int amdgpu_deep_color = 0;
97 int amdgpu_vm_size = -1;
98 int amdgpu_vm_fragment_size = -1;
99 int amdgpu_vm_block_size = -1;
100 int amdgpu_vm_fault_stop = 0;
101 int amdgpu_vm_debug = 0;
102 int amdgpu_vram_page_split = 512;
103 int amdgpu_vm_update_mode = -1;
104 int amdgpu_exp_hw_support = 0;
105 int amdgpu_dc = -1;
106 int amdgpu_dc_log = 0;
107 int amdgpu_sched_jobs = 32;
108 int amdgpu_sched_hw_submission = 2;
109 int amdgpu_no_evict = 0;
110 int amdgpu_direct_gma_size = 0;
111 uint amdgpu_pcie_gen_cap = 0;
112 uint amdgpu_pcie_lane_cap = 0;
113 uint amdgpu_cg_mask = 0xffffffff;
114 uint amdgpu_pg_mask = 0xffffffff;
115 uint amdgpu_sdma_phase_quantum = 32;
116 char *amdgpu_disable_cu = NULL;
117 char *amdgpu_virtual_display = NULL;
118 /* OverDrive(bit 14),gfxoff(bit 15),stutter mode(bit 17) disabled by default*/
119 uint amdgpu_pp_feature_mask = 0xfffd3fff;
120 int amdgpu_ngg = 0;
121 int amdgpu_prim_buf_per_se = 0;
122 int amdgpu_pos_buf_per_se = 0;
123 int amdgpu_cntl_sb_buf_per_se = 0;
124 int amdgpu_param_buf_per_se = 0;
125 int amdgpu_job_hang_limit = 0;
126 int amdgpu_lbpw = -1;
127 int amdgpu_compute_multipipe = -1;
128 int amdgpu_gpu_recovery = -1; /* auto */
129 int amdgpu_emu_mode = 0;
130 uint amdgpu_smu_memory_pool_size = 0;
131 
132 /**
133  * DOC: vramlimit (int)
134  * Restrict the total amount of VRAM in MiB for testing.  The default is 0 (Use full VRAM).
135  */
136 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
137 module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
138 
139 /**
140  * DOC: vis_vramlimit (int)
141  * Restrict the amount of CPU visible VRAM in MiB for testing.  The default is 0 (Use full CPU visible VRAM).
142  */
143 MODULE_PARM_DESC(vis_vramlimit, "Restrict visible VRAM for testing, in megabytes");
144 module_param_named(vis_vramlimit, amdgpu_vis_vram_limit, int, 0444);
145 
146 /**
147  * DOC: gartsize (uint)
148  * Restrict the size of GART in Mib (32, 64, etc.) for testing. The default is -1 (The size depends on asic).
149  */
150 MODULE_PARM_DESC(gartsize, "Size of GART to setup in megabytes (32, 64, etc., -1=auto)");
151 module_param_named(gartsize, amdgpu_gart_size, uint, 0600);
152 
153 /**
154  * DOC: gttsize (int)
155  * Restrict the size of GTT domain in MiB for testing. The default is -1 (It's VRAM size if 3GB < VRAM < 3/4 RAM,
156  * otherwise 3/4 RAM size).
157  */
158 MODULE_PARM_DESC(gttsize, "Size of the GTT domain in megabytes (-1 = auto)");
159 module_param_named(gttsize, amdgpu_gtt_size, int, 0600);
160 
161 /**
162  * DOC: moverate (int)
163  * Set maximum buffer migration rate in MB/s. The default is -1 (8 MB/s).
164  */
165 MODULE_PARM_DESC(moverate, "Maximum buffer migration rate in MB/s. (32, 64, etc., -1=auto, 0=1=disabled)");
166 module_param_named(moverate, amdgpu_moverate, int, 0600);
167 
168 /**
169  * DOC: benchmark (int)
170  * Run benchmarks. The default is 0 (Skip benchmarks).
171  */
172 MODULE_PARM_DESC(benchmark, "Run benchmark");
173 module_param_named(benchmark, amdgpu_benchmarking, int, 0444);
174 
175 /**
176  * DOC: test (int)
177  * Test BO GTT->VRAM and VRAM->GTT GPU copies. The default is 0 (Skip test, only set 1 to run test).
178  */
179 MODULE_PARM_DESC(test, "Run tests");
180 module_param_named(test, amdgpu_testing, int, 0444);
181 
182 /**
183  * DOC: audio (int)
184  * Set HDMI/DPAudio. Only affects non-DC display handling. The default is -1 (Enabled), set 0 to disabled it.
185  */
186 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
187 module_param_named(audio, amdgpu_audio, int, 0444);
188 
189 /**
190  * DOC: disp_priority (int)
191  * Set display Priority (1 = normal, 2 = high). Only affects non-DC display handling. The default is 0 (auto).
192  */
193 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
194 module_param_named(disp_priority, amdgpu_disp_priority, int, 0444);
195 
196 /**
197  * DOC: hw_i2c (int)
198  * To enable hw i2c engine. Only affects non-DC display handling. The default is 0 (Disabled).
199  */
200 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
201 module_param_named(hw_i2c, amdgpu_hw_i2c, int, 0444);
202 
203 /**
204  * DOC: pcie_gen2 (int)
205  * To disable PCIE Gen2/3 mode (0 = disable, 1 = enable). The default is -1 (auto, enabled).
206  */
207 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
208 module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444);
209 
210 /**
211  * DOC: msi (int)
212  * To disable Message Signaled Interrupts (MSI) functionality (1 = enable, 0 = disable). The default is -1 (auto, enabled).
213  */
214 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
215 module_param_named(msi, amdgpu_msi, int, 0444);
216 
217 /**
218  * DOC: lockup_timeout (int)
219  * Set GPU scheduler timeout value in ms. Value 0 is invalidated, will be adjusted to 10000.
220  * Negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET). The default is 10000.
221  */
222 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms > 0 (default 10000)");
223 module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444);
224 
225 /**
226  * DOC: dpm (int)
227  * Override for dynamic power management setting (1 = enable, 0 = disable). The default is -1 (auto).
228  */
229 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
230 module_param_named(dpm, amdgpu_dpm, int, 0444);
231 
232 /**
233  * DOC: fw_load_type (int)
234  * Set different firmware loading type for debugging (0 = direct, 1 = SMU, 2 = PSP). The default is -1 (auto).
235  */
236 MODULE_PARM_DESC(fw_load_type, "firmware loading type (0 = direct, 1 = SMU, 2 = PSP, -1 = auto)");
237 module_param_named(fw_load_type, amdgpu_fw_load_type, int, 0444);
238 
239 /**
240  * DOC: aspm (int)
241  * To disable ASPM (1 = enable, 0 = disable). The default is -1 (auto, enabled).
242  */
243 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
244 module_param_named(aspm, amdgpu_aspm, int, 0444);
245 
246 /**
247  * DOC: runpm (int)
248  * Override for runtime power management control for dGPUs in PX/HG laptops. The amdgpu driver can dynamically power down
249  * the dGPU on PX/HG laptops when it is idle. The default is -1 (auto enable). Setting the value to 0 disables this functionality.
250  */
251 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
252 module_param_named(runpm, amdgpu_runtime_pm, int, 0444);
253 
254 /**
255  * DOC: ip_block_mask (uint)
256  * Override what IP blocks are enabled on the GPU. Each GPU is a collection of IP blocks (gfx, display, video, etc.).
257  * Use this parameter to disable specific blocks. Note that the IP blocks do not have a fixed index. Some asics may not have
258  * some IPs or may include multiple instances of an IP so the ordering various from asic to asic. See the driver output in
259  * the kernel log for the list of IPs on the asic. The default is 0xffffffff (enable all blocks on a device).
260  */
261 MODULE_PARM_DESC(ip_block_mask, "IP Block Mask (all blocks enabled (default))");
262 module_param_named(ip_block_mask, amdgpu_ip_block_mask, uint, 0444);
263 
264 /**
265  * DOC: bapm (int)
266  * Bidirectional Application Power Management (BAPM) used to dynamically share TDP between CPU and GPU. Set value 0 to disable it.
267  * The default -1 (auto, enabled)
268  */
269 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
270 module_param_named(bapm, amdgpu_bapm, int, 0444);
271 
272 /**
273  * DOC: deep_color (int)
274  * Set 1 to enable Deep Color support. Only affects non-DC display handling. The default is 0 (disabled).
275  */
276 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
277 module_param_named(deep_color, amdgpu_deep_color, int, 0444);
278 
279 /**
280  * DOC: vm_size (int)
281  * Override the size of the GPU's per client virtual address space in GiB.  The default is -1 (automatic for each asic).
282  */
283 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)");
284 module_param_named(vm_size, amdgpu_vm_size, int, 0444);
285 
286 /**
287  * DOC: vm_fragment_size (int)
288  * Override VM fragment size in bits (4, 5, etc. 4 = 64K, 9 = 2M). The default is -1 (automatic for each asic).
289  */
290 MODULE_PARM_DESC(vm_fragment_size, "VM fragment size in bits (4, 5, etc. 4 = 64K (default), Max 9 = 2M)");
291 module_param_named(vm_fragment_size, amdgpu_vm_fragment_size, int, 0444);
292 
293 /**
294  * DOC: vm_block_size (int)
295  * Override VM page table size in bits (default depending on vm_size and hw setup). The default is -1 (automatic for each asic).
296  */
297 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
298 module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444);
299 
300 /**
301  * DOC: vm_fault_stop (int)
302  * Stop on VM fault for debugging (0 = never, 1 = print first, 2 = always). The default is 0 (No stop).
303  */
304 MODULE_PARM_DESC(vm_fault_stop, "Stop on VM fault (0 = never (default), 1 = print first, 2 = always)");
305 module_param_named(vm_fault_stop, amdgpu_vm_fault_stop, int, 0444);
306 
307 /**
308  * DOC: vm_debug (int)
309  * Debug VM handling (0 = disabled, 1 = enabled). The default is 0 (Disabled).
310  */
311 MODULE_PARM_DESC(vm_debug, "Debug VM handling (0 = disabled (default), 1 = enabled)");
312 module_param_named(vm_debug, amdgpu_vm_debug, int, 0644);
313 
314 /**
315  * DOC: vm_update_mode (int)
316  * Override VM update mode. VM updated by using CPU (0 = never, 1 = Graphics only, 2 = Compute only, 3 = Both). The default
317  * is -1 (Only in large BAR(LB) systems Compute VM tables will be updated by CPU, otherwise 0, never).
318  */
319 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");
320 module_param_named(vm_update_mode, amdgpu_vm_update_mode, int, 0444);
321 
322 /**
323  * DOC: vram_page_split (int)
324  * Override the number of pages after we split VRAM allocations (default 512, -1 = disable). The default is 512.
325  */
326 MODULE_PARM_DESC(vram_page_split, "Number of pages after we split VRAM allocations (default 512, -1 = disable)");
327 module_param_named(vram_page_split, amdgpu_vram_page_split, int, 0444);
328 
329 /**
330  * DOC: exp_hw_support (int)
331  * Enable experimental hw support (1 = enable). The default is 0 (disabled).
332  */
333 MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))");
334 module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444);
335 
336 /**
337  * DOC: dc (int)
338  * Disable/Enable Display Core driver for debugging (1 = enable, 0 = disable). The default is -1 (automatic for each asic).
339  */
340 MODULE_PARM_DESC(dc, "Display Core driver (1 = enable, 0 = disable, -1 = auto (default))");
341 module_param_named(dc, amdgpu_dc, int, 0444);
342 
343 MODULE_PARM_DESC(dc_log, "Display Core Log Level (0 = minimal (default), 1 = chatty");
344 module_param_named(dc_log, amdgpu_dc_log, int, 0444);
345 
346 /**
347  * DOC: sched_jobs (int)
348  * Override the max number of jobs supported in the sw queue. The default is 32.
349  */
350 MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 32)");
351 module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444);
352 
353 /**
354  * DOC: sched_hw_submission (int)
355  * Override the max number of HW submissions. The default is 2.
356  */
357 MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
358 module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
359 
360 /**
361  * DOC: ppfeaturemask (uint)
362  * Override power features enabled. See enum PP_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
363  * The default is the current set of stable power features.
364  */
365 MODULE_PARM_DESC(ppfeaturemask, "all power features enabled (default))");
366 module_param_named(ppfeaturemask, amdgpu_pp_feature_mask, uint, 0444);
367 
368 MODULE_PARM_DESC(no_evict, "Support pinning request from user space (1 = enable, 0 = disable (default))");
369 module_param_named(no_evict, amdgpu_no_evict, int, 0444);
370 
371 MODULE_PARM_DESC(direct_gma_size, "Direct GMA size in megabytes (max 96MB)");
372 module_param_named(direct_gma_size, amdgpu_direct_gma_size, int, 0444);
373 
374 /**
375  * DOC: pcie_gen_cap (uint)
376  * Override PCIE gen speed capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
377  * The default is 0 (automatic for each asic).
378  */
379 MODULE_PARM_DESC(pcie_gen_cap, "PCIE Gen Caps (0: autodetect (default))");
380 module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444);
381 
382 /**
383  * DOC: pcie_lane_cap (uint)
384  * Override PCIE lanes capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
385  * The default is 0 (automatic for each asic).
386  */
387 MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))");
388 module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444);
389 
390 /**
391  * DOC: cg_mask (uint)
392  * Override Clockgating features enabled on GPU (0 = disable clock gating). See the AMD_CG_SUPPORT flags in
393  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
394  */
395 MODULE_PARM_DESC(cg_mask, "Clockgating flags mask (0 = disable clock gating)");
396 module_param_named(cg_mask, amdgpu_cg_mask, uint, 0444);
397 
398 /**
399  * DOC: pg_mask (uint)
400  * Override Powergating features enabled on GPU (0 = disable power gating). See the AMD_PG_SUPPORT flags in
401  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
402  */
403 MODULE_PARM_DESC(pg_mask, "Powergating flags mask (0 = disable power gating)");
404 module_param_named(pg_mask, amdgpu_pg_mask, uint, 0444);
405 
406 /**
407  * DOC: sdma_phase_quantum (uint)
408  * Override SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change). The default is 32.
409  */
410 MODULE_PARM_DESC(sdma_phase_quantum, "SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change (default 32))");
411 module_param_named(sdma_phase_quantum, amdgpu_sdma_phase_quantum, uint, 0444);
412 
413 /**
414  * DOC: disable_cu (charp)
415  * Set to disable CUs (It's set like se.sh.cu,...). The default is NULL.
416  */
417 MODULE_PARM_DESC(disable_cu, "Disable CUs (se.sh.cu,...)");
418 module_param_named(disable_cu, amdgpu_disable_cu, charp, 0444);
419 
420 /**
421  * DOC: virtual_display (charp)
422  * Set to enable virtual display feature. This feature provides a virtual display hardware on headless boards
423  * 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
424  * the device, plus the number of crtcs to expose. E.g., 0000:26:00.0,4 would enable 4 virtual crtcs on the pci
425  * device at 26:00.0. The default is NULL.
426  */
427 MODULE_PARM_DESC(virtual_display,
428 		 "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x)");
429 module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444);
430 
431 /**
432  * DOC: ngg (int)
433  * Set to enable Next Generation Graphics (1 = enable). The default is 0 (disabled).
434  */
435 MODULE_PARM_DESC(ngg, "Next Generation Graphics (1 = enable, 0 = disable(default depending on gfx))");
436 module_param_named(ngg, amdgpu_ngg, int, 0444);
437 
438 /**
439  * DOC: prim_buf_per_se (int)
440  * Override the size of Primitive Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
441  */
442 MODULE_PARM_DESC(prim_buf_per_se, "the size of Primitive Buffer per Shader Engine (default depending on gfx)");
443 module_param_named(prim_buf_per_se, amdgpu_prim_buf_per_se, int, 0444);
444 
445 /**
446  * DOC: pos_buf_per_se (int)
447  * Override the size of Position Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
448  */
449 MODULE_PARM_DESC(pos_buf_per_se, "the size of Position Buffer per Shader Engine (default depending on gfx)");
450 module_param_named(pos_buf_per_se, amdgpu_pos_buf_per_se, int, 0444);
451 
452 /**
453  * DOC: cntl_sb_buf_per_se (int)
454  * Override the size of Control Sideband per Shader Engine in Byte. The default is 0 (depending on gfx).
455  */
456 MODULE_PARM_DESC(cntl_sb_buf_per_se, "the size of Control Sideband per Shader Engine (default depending on gfx)");
457 module_param_named(cntl_sb_buf_per_se, amdgpu_cntl_sb_buf_per_se, int, 0444);
458 
459 /**
460  * DOC: param_buf_per_se (int)
461  * Override the size of Off-Chip Pramater Cache per Shader Engine in Byte. The default is 0 (depending on gfx).
462  */
463 MODULE_PARM_DESC(param_buf_per_se, "the size of Off-Chip Pramater Cache per Shader Engine (default depending on gfx)");
464 module_param_named(param_buf_per_se, amdgpu_param_buf_per_se, int, 0444);
465 
466 /**
467  * DOC: job_hang_limit (int)
468  * Set how much time allow a job hang and not drop it. The default is 0.
469  */
470 MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop it (default 0)");
471 module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
472 
473 /**
474  * DOC: lbpw (int)
475  * Override Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable). The default is -1 (auto, enabled).
476  */
477 MODULE_PARM_DESC(lbpw, "Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable, -1 = auto)");
478 module_param_named(lbpw, amdgpu_lbpw, int, 0444);
479 
480 MODULE_PARM_DESC(compute_multipipe, "Force compute queues to be spread across pipes (1 = enable, 0 = disable, -1 = auto)");
481 module_param_named(compute_multipipe, amdgpu_compute_multipipe, int, 0444);
482 
483 /**
484  * DOC: gpu_recovery (int)
485  * Set to enable GPU recovery mechanism (1 = enable, 0 = disable). The default is -1 (auto, disabled except SRIOV).
486  */
487 MODULE_PARM_DESC(gpu_recovery, "Enable GPU recovery mechanism, (1 = enable, 0 = disable, -1 = auto)");
488 module_param_named(gpu_recovery, amdgpu_gpu_recovery, int, 0444);
489 
490 /**
491  * DOC: emu_mode (int)
492  * Set value 1 to enable emulation mode. This is only needed when running on an emulator. The default is 0 (disabled).
493  */
494 MODULE_PARM_DESC(emu_mode, "Emulation mode, (1 = enable, 0 = disable)");
495 module_param_named(emu_mode, amdgpu_emu_mode, int, 0444);
496 
497 /**
498  * DOC: si_support (int)
499  * Set SI support driver. This parameter works after set config CONFIG_DRM_AMDGPU_SI. For SI asic, when radeon driver is enabled,
500  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
501  * otherwise using amdgpu driver.
502  */
503 #ifdef CONFIG_DRM_AMDGPU_SI
504 
505 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
506 int amdgpu_si_support = 0;
507 MODULE_PARM_DESC(si_support, "SI support (1 = enabled, 0 = disabled (default))");
508 #else
509 int amdgpu_si_support = 1;
510 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
511 #endif
512 
513 module_param_named(si_support, amdgpu_si_support, int, 0444);
514 #endif
515 
516 /**
517  * DOC: cik_support (int)
518  * Set CIK support driver. This parameter works after set config CONFIG_DRM_AMDGPU_CIK. For CIK asic, when radeon driver is enabled,
519  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
520  * otherwise using amdgpu driver.
521  */
522 #ifdef CONFIG_DRM_AMDGPU_CIK
523 
524 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
525 int amdgpu_cik_support = 0;
526 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled, 0 = disabled (default))");
527 #else
528 int amdgpu_cik_support = 1;
529 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
530 #endif
531 
532 module_param_named(cik_support, amdgpu_cik_support, int, 0444);
533 #endif
534 
535 /**
536  * DOC: smu_memory_pool_size (uint)
537  * It is used to reserve gtt for smu debug usage, setting value 0 to disable it. The actual size is value * 256MiB.
538  * E.g. 0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte. The default is 0 (disabled).
539  */
540 MODULE_PARM_DESC(smu_memory_pool_size,
541 	"reserve gtt for smu debug usage, 0 = disable,"
542 		"0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
543 module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444);
544 
545 static const struct pci_device_id pciidlist[] = {
546 #ifdef  CONFIG_DRM_AMDGPU_SI
547 	{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
548 	{0x1002, 0x6784, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
549 	{0x1002, 0x6788, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
550 	{0x1002, 0x678A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
551 	{0x1002, 0x6790, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
552 	{0x1002, 0x6791, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
553 	{0x1002, 0x6792, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
554 	{0x1002, 0x6798, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
555 	{0x1002, 0x6799, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
556 	{0x1002, 0x679A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
557 	{0x1002, 0x679B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
558 	{0x1002, 0x679E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
559 	{0x1002, 0x679F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
560 	{0x1002, 0x6800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
561 	{0x1002, 0x6801, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
562 	{0x1002, 0x6802, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
563 	{0x1002, 0x6806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
564 	{0x1002, 0x6808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
565 	{0x1002, 0x6809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
566 	{0x1002, 0x6810, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
567 	{0x1002, 0x6811, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
568 	{0x1002, 0x6816, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
569 	{0x1002, 0x6817, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
570 	{0x1002, 0x6818, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
571 	{0x1002, 0x6819, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
572 	{0x1002, 0x6600, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
573 	{0x1002, 0x6601, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
574 	{0x1002, 0x6602, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
575 	{0x1002, 0x6603, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
576 	{0x1002, 0x6604, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
577 	{0x1002, 0x6605, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
578 	{0x1002, 0x6606, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
579 	{0x1002, 0x6607, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
580 	{0x1002, 0x6608, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
581 	{0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
582 	{0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
583 	{0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
584 	{0x1002, 0x6617, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
585 	{0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
586 	{0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
587 	{0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
588 	{0x1002, 0x6631, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
589 	{0x1002, 0x6820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
590 	{0x1002, 0x6821, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
591 	{0x1002, 0x6822, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
592 	{0x1002, 0x6823, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
593 	{0x1002, 0x6824, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
594 	{0x1002, 0x6825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
595 	{0x1002, 0x6826, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
596 	{0x1002, 0x6827, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
597 	{0x1002, 0x6828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
598 	{0x1002, 0x6829, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
599 	{0x1002, 0x682A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
600 	{0x1002, 0x682B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
601 	{0x1002, 0x682C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
602 	{0x1002, 0x682D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
603 	{0x1002, 0x682F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
604 	{0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
605 	{0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
606 	{0x1002, 0x6835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
607 	{0x1002, 0x6837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
608 	{0x1002, 0x6838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
609 	{0x1002, 0x6839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
610 	{0x1002, 0x683B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
611 	{0x1002, 0x683D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
612 	{0x1002, 0x683F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
613 	{0x1002, 0x6660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
614 	{0x1002, 0x6663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
615 	{0x1002, 0x6664, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
616 	{0x1002, 0x6665, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
617 	{0x1002, 0x6667, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
618 	{0x1002, 0x666F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
619 #endif
620 #ifdef CONFIG_DRM_AMDGPU_CIK
621 	/* Kaveri */
622 	{0x1002, 0x1304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
623 	{0x1002, 0x1305, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
624 	{0x1002, 0x1306, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
625 	{0x1002, 0x1307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
626 	{0x1002, 0x1309, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
627 	{0x1002, 0x130A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
628 	{0x1002, 0x130B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
629 	{0x1002, 0x130C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
630 	{0x1002, 0x130D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
631 	{0x1002, 0x130E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
632 	{0x1002, 0x130F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
633 	{0x1002, 0x1310, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
634 	{0x1002, 0x1311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
635 	{0x1002, 0x1312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
636 	{0x1002, 0x1313, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
637 	{0x1002, 0x1315, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
638 	{0x1002, 0x1316, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
639 	{0x1002, 0x1317, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
640 	{0x1002, 0x1318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
641 	{0x1002, 0x131B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
642 	{0x1002, 0x131C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
643 	{0x1002, 0x131D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
644 	/* Bonaire */
645 	{0x1002, 0x6640, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
646 	{0x1002, 0x6641, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
647 	{0x1002, 0x6646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
648 	{0x1002, 0x6647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
649 	{0x1002, 0x6649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
650 	{0x1002, 0x6650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
651 	{0x1002, 0x6651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
652 	{0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
653 	{0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
654 	{0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
655 	{0x1002, 0x665f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
656 	/* Hawaii */
657 	{0x1002, 0x67A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
658 	{0x1002, 0x67A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
659 	{0x1002, 0x67A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
660 	{0x1002, 0x67A8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
661 	{0x1002, 0x67A9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
662 	{0x1002, 0x67AA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
663 	{0x1002, 0x67B0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
664 	{0x1002, 0x67B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
665 	{0x1002, 0x67B8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
666 	{0x1002, 0x67B9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
667 	{0x1002, 0x67BA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
668 	{0x1002, 0x67BE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
669 	/* Kabini */
670 	{0x1002, 0x9830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
671 	{0x1002, 0x9831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
672 	{0x1002, 0x9832, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
673 	{0x1002, 0x9833, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
674 	{0x1002, 0x9834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
675 	{0x1002, 0x9835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
676 	{0x1002, 0x9836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
677 	{0x1002, 0x9837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
678 	{0x1002, 0x9838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
679 	{0x1002, 0x9839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
680 	{0x1002, 0x983a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
681 	{0x1002, 0x983b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
682 	{0x1002, 0x983c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
683 	{0x1002, 0x983d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
684 	{0x1002, 0x983e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
685 	{0x1002, 0x983f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
686 	/* mullins */
687 	{0x1002, 0x9850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
688 	{0x1002, 0x9851, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
689 	{0x1002, 0x9852, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
690 	{0x1002, 0x9853, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
691 	{0x1002, 0x9854, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
692 	{0x1002, 0x9855, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
693 	{0x1002, 0x9856, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
694 	{0x1002, 0x9857, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
695 	{0x1002, 0x9858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
696 	{0x1002, 0x9859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
697 	{0x1002, 0x985A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
698 	{0x1002, 0x985B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
699 	{0x1002, 0x985C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
700 	{0x1002, 0x985D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
701 	{0x1002, 0x985E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
702 	{0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
703 #endif
704 	/* topaz */
705 	{0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
706 	{0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
707 	{0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
708 	{0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
709 	{0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
710 	/* tonga */
711 	{0x1002, 0x6920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
712 	{0x1002, 0x6921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
713 	{0x1002, 0x6928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
714 	{0x1002, 0x6929, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
715 	{0x1002, 0x692B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
716 	{0x1002, 0x692F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
717 	{0x1002, 0x6930, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
718 	{0x1002, 0x6938, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
719 	{0x1002, 0x6939, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
720 	/* fiji */
721 	{0x1002, 0x7300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
722 	{0x1002, 0x730F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
723 	/* carrizo */
724 	{0x1002, 0x9870, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
725 	{0x1002, 0x9874, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
726 	{0x1002, 0x9875, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
727 	{0x1002, 0x9876, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
728 	{0x1002, 0x9877, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
729 	/* stoney */
730 	{0x1002, 0x98E4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_STONEY|AMD_IS_APU},
731 	/* Polaris11 */
732 	{0x1002, 0x67E0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
733 	{0x1002, 0x67E3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
734 	{0x1002, 0x67E8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
735 	{0x1002, 0x67EB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
736 	{0x1002, 0x67EF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
737 	{0x1002, 0x67FF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
738 	{0x1002, 0x67E1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
739 	{0x1002, 0x67E7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
740 	{0x1002, 0x67E9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
741 	/* Polaris10 */
742 	{0x1002, 0x67C0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
743 	{0x1002, 0x67C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
744 	{0x1002, 0x67C2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
745 	{0x1002, 0x67C4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
746 	{0x1002, 0x67C7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
747 	{0x1002, 0x67D0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
748 	{0x1002, 0x67DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
749 	{0x1002, 0x67C8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
750 	{0x1002, 0x67C9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
751 	{0x1002, 0x67CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
752 	{0x1002, 0x67CC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
753 	{0x1002, 0x67CF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
754 	/* Polaris12 */
755 	{0x1002, 0x6980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
756 	{0x1002, 0x6981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
757 	{0x1002, 0x6985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
758 	{0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
759 	{0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
760 	{0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
761 	{0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
762 	{0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
763 	/* VEGAM */
764 	{0x1002, 0x694C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
765 	{0x1002, 0x694E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
766 	/* Vega 10 */
767 	{0x1002, 0x6860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
768 	{0x1002, 0x6861, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
769 	{0x1002, 0x6862, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
770 	{0x1002, 0x6863, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
771 	{0x1002, 0x6864, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
772 	{0x1002, 0x6867, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
773 	{0x1002, 0x6868, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
774 	{0x1002, 0x686c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
775 	{0x1002, 0x687f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
776 	/* Vega 12 */
777 	{0x1002, 0x69A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
778 	{0x1002, 0x69A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
779 	{0x1002, 0x69A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
780 	{0x1002, 0x69A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
781 	{0x1002, 0x69AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
782 	/* Vega 20 */
783 	{0x1002, 0x66A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
784 	{0x1002, 0x66A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
785 	{0x1002, 0x66A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
786 	{0x1002, 0x66A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
787 	{0x1002, 0x66A7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
788 	{0x1002, 0x66AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
789 	/* Raven */
790 	{0x1002, 0x15dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RAVEN|AMD_IS_APU},
791 
792 	{0, 0, 0}
793 };
794 
795 MODULE_DEVICE_TABLE(pci, pciidlist);
796 
797 static struct drm_driver kms_driver;
798 
799 static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev)
800 {
801 	struct apertures_struct *ap;
802 	bool primary = false;
803 
804 	ap = alloc_apertures(1);
805 	if (!ap)
806 		return -ENOMEM;
807 
808 	ap->ranges[0].base = pci_resource_start(pdev, 0);
809 	ap->ranges[0].size = pci_resource_len(pdev, 0);
810 
811 #ifdef CONFIG_X86
812 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
813 #endif
814 	drm_fb_helper_remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
815 	kfree(ap);
816 
817 	return 0;
818 }
819 
820 
821 static int amdgpu_pci_probe(struct pci_dev *pdev,
822 			    const struct pci_device_id *ent)
823 {
824 	struct drm_device *dev;
825 	unsigned long flags = ent->driver_data;
826 	int ret, retry = 0;
827 	bool supports_atomic = false;
828 
829 	if (!amdgpu_virtual_display &&
830 	    amdgpu_device_asic_has_dc_support(flags & AMD_ASIC_MASK))
831 		supports_atomic = true;
832 
833 	if ((flags & AMD_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) {
834 		DRM_INFO("This hardware requires experimental hardware support.\n"
835 			 "See modparam exp_hw_support\n");
836 		return -ENODEV;
837 	}
838 
839 	/*
840 	 * Initialize amdkfd before starting radeon. If it was not loaded yet,
841 	 * defer radeon probing
842 	 */
843 	ret = amdgpu_amdkfd_init();
844 	if (ret == -EPROBE_DEFER)
845 		return ret;
846 
847 	/* Get rid of things like offb */
848 	ret = amdgpu_kick_out_firmware_fb(pdev);
849 	if (ret)
850 		return ret;
851 
852 	/* warn the user if they mix atomic and non-atomic capable GPUs */
853 	if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
854 		DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
855 	/* support atomic early so the atomic debugfs stuff gets created */
856 	if (supports_atomic)
857 		kms_driver.driver_features |= DRIVER_ATOMIC;
858 
859 	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
860 	if (IS_ERR(dev))
861 		return PTR_ERR(dev);
862 
863 	ret = pci_enable_device(pdev);
864 	if (ret)
865 		goto err_free;
866 
867 	dev->pdev = pdev;
868 
869 	pci_set_drvdata(pdev, dev);
870 
871 retry_init:
872 	ret = drm_dev_register(dev, ent->driver_data);
873 	if (ret == -EAGAIN && ++retry <= 3) {
874 		DRM_INFO("retry init %d\n", retry);
875 		/* Don't request EX mode too frequently which is attacking */
876 		msleep(5000);
877 		goto retry_init;
878 	} else if (ret)
879 		goto err_pci;
880 
881 	return 0;
882 
883 err_pci:
884 	pci_disable_device(pdev);
885 err_free:
886 	drm_dev_put(dev);
887 	return ret;
888 }
889 
890 static void
891 amdgpu_pci_remove(struct pci_dev *pdev)
892 {
893 	struct drm_device *dev = pci_get_drvdata(pdev);
894 
895 	drm_dev_unregister(dev);
896 	drm_dev_put(dev);
897 	pci_disable_device(pdev);
898 	pci_set_drvdata(pdev, NULL);
899 }
900 
901 static void
902 amdgpu_pci_shutdown(struct pci_dev *pdev)
903 {
904 	struct drm_device *dev = pci_get_drvdata(pdev);
905 	struct amdgpu_device *adev = dev->dev_private;
906 
907 	/* if we are running in a VM, make sure the device
908 	 * torn down properly on reboot/shutdown.
909 	 * unfortunately we can't detect certain
910 	 * hypervisors so just do this all the time.
911 	 */
912 	amdgpu_device_ip_suspend(adev);
913 }
914 
915 static int amdgpu_pmops_suspend(struct device *dev)
916 {
917 	struct pci_dev *pdev = to_pci_dev(dev);
918 
919 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
920 	return amdgpu_device_suspend(drm_dev, true, true);
921 }
922 
923 static int amdgpu_pmops_resume(struct device *dev)
924 {
925 	struct pci_dev *pdev = to_pci_dev(dev);
926 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
927 
928 	/* GPU comes up enabled by the bios on resume */
929 	if (amdgpu_device_is_px(drm_dev)) {
930 		pm_runtime_disable(dev);
931 		pm_runtime_set_active(dev);
932 		pm_runtime_enable(dev);
933 	}
934 
935 	return amdgpu_device_resume(drm_dev, true, true);
936 }
937 
938 static int amdgpu_pmops_freeze(struct device *dev)
939 {
940 	struct pci_dev *pdev = to_pci_dev(dev);
941 
942 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
943 	return amdgpu_device_suspend(drm_dev, false, true);
944 }
945 
946 static int amdgpu_pmops_thaw(struct device *dev)
947 {
948 	struct pci_dev *pdev = to_pci_dev(dev);
949 
950 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
951 	return amdgpu_device_resume(drm_dev, false, true);
952 }
953 
954 static int amdgpu_pmops_poweroff(struct device *dev)
955 {
956 	struct pci_dev *pdev = to_pci_dev(dev);
957 
958 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
959 	return amdgpu_device_suspend(drm_dev, true, true);
960 }
961 
962 static int amdgpu_pmops_restore(struct device *dev)
963 {
964 	struct pci_dev *pdev = to_pci_dev(dev);
965 
966 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
967 	return amdgpu_device_resume(drm_dev, false, true);
968 }
969 
970 static int amdgpu_pmops_runtime_suspend(struct device *dev)
971 {
972 	struct pci_dev *pdev = to_pci_dev(dev);
973 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
974 	int ret;
975 
976 	if (!amdgpu_device_is_px(drm_dev)) {
977 		pm_runtime_forbid(dev);
978 		return -EBUSY;
979 	}
980 
981 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
982 	drm_kms_helper_poll_disable(drm_dev);
983 
984 	ret = amdgpu_device_suspend(drm_dev, false, false);
985 	pci_save_state(pdev);
986 	pci_disable_device(pdev);
987 	pci_ignore_hotplug(pdev);
988 	if (amdgpu_is_atpx_hybrid())
989 		pci_set_power_state(pdev, PCI_D3cold);
990 	else if (!amdgpu_has_atpx_dgpu_power_cntl())
991 		pci_set_power_state(pdev, PCI_D3hot);
992 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
993 
994 	return 0;
995 }
996 
997 static int amdgpu_pmops_runtime_resume(struct device *dev)
998 {
999 	struct pci_dev *pdev = to_pci_dev(dev);
1000 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1001 	int ret;
1002 
1003 	if (!amdgpu_device_is_px(drm_dev))
1004 		return -EINVAL;
1005 
1006 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
1007 
1008 	if (amdgpu_is_atpx_hybrid() ||
1009 	    !amdgpu_has_atpx_dgpu_power_cntl())
1010 		pci_set_power_state(pdev, PCI_D0);
1011 	pci_restore_state(pdev);
1012 	ret = pci_enable_device(pdev);
1013 	if (ret)
1014 		return ret;
1015 	pci_set_master(pdev);
1016 
1017 	ret = amdgpu_device_resume(drm_dev, false, false);
1018 	drm_kms_helper_poll_enable(drm_dev);
1019 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
1020 	return 0;
1021 }
1022 
1023 static int amdgpu_pmops_runtime_idle(struct device *dev)
1024 {
1025 	struct pci_dev *pdev = to_pci_dev(dev);
1026 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1027 	struct drm_crtc *crtc;
1028 
1029 	if (!amdgpu_device_is_px(drm_dev)) {
1030 		pm_runtime_forbid(dev);
1031 		return -EBUSY;
1032 	}
1033 
1034 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
1035 		if (crtc->enabled) {
1036 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
1037 			return -EBUSY;
1038 		}
1039 	}
1040 
1041 	pm_runtime_mark_last_busy(dev);
1042 	pm_runtime_autosuspend(dev);
1043 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
1044 	return 1;
1045 }
1046 
1047 long amdgpu_drm_ioctl(struct file *filp,
1048 		      unsigned int cmd, unsigned long arg)
1049 {
1050 	struct drm_file *file_priv = filp->private_data;
1051 	struct drm_device *dev;
1052 	long ret;
1053 	dev = file_priv->minor->dev;
1054 	ret = pm_runtime_get_sync(dev->dev);
1055 	if (ret < 0)
1056 		return ret;
1057 
1058 	ret = drm_ioctl(filp, cmd, arg);
1059 
1060 	pm_runtime_mark_last_busy(dev->dev);
1061 	pm_runtime_put_autosuspend(dev->dev);
1062 	return ret;
1063 }
1064 
1065 static const struct dev_pm_ops amdgpu_pm_ops = {
1066 	.suspend = amdgpu_pmops_suspend,
1067 	.resume = amdgpu_pmops_resume,
1068 	.freeze = amdgpu_pmops_freeze,
1069 	.thaw = amdgpu_pmops_thaw,
1070 	.poweroff = amdgpu_pmops_poweroff,
1071 	.restore = amdgpu_pmops_restore,
1072 	.runtime_suspend = amdgpu_pmops_runtime_suspend,
1073 	.runtime_resume = amdgpu_pmops_runtime_resume,
1074 	.runtime_idle = amdgpu_pmops_runtime_idle,
1075 };
1076 
1077 static int amdgpu_flush(struct file *f, fl_owner_t id)
1078 {
1079 	struct drm_file *file_priv = f->private_data;
1080 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1081 
1082 	amdgpu_ctx_mgr_entity_flush(&fpriv->ctx_mgr);
1083 
1084 	return 0;
1085 }
1086 
1087 
1088 static const struct file_operations amdgpu_driver_kms_fops = {
1089 	.owner = THIS_MODULE,
1090 	.open = drm_open,
1091 	.flush = amdgpu_flush,
1092 	.release = drm_release,
1093 	.unlocked_ioctl = amdgpu_drm_ioctl,
1094 	.mmap = amdgpu_mmap,
1095 	.poll = drm_poll,
1096 	.read = drm_read,
1097 #ifdef CONFIG_COMPAT
1098 	.compat_ioctl = amdgpu_kms_compat_ioctl,
1099 #endif
1100 };
1101 
1102 static bool
1103 amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
1104 				 bool in_vblank_irq, int *vpos, int *hpos,
1105 				 ktime_t *stime, ktime_t *etime,
1106 				 const struct drm_display_mode *mode)
1107 {
1108 	return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
1109 						  stime, etime, mode);
1110 }
1111 
1112 static struct drm_driver kms_driver = {
1113 	.driver_features =
1114 	    DRIVER_USE_AGP |
1115 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
1116 	    DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
1117 	.load = amdgpu_driver_load_kms,
1118 	.open = amdgpu_driver_open_kms,
1119 	.postclose = amdgpu_driver_postclose_kms,
1120 	.lastclose = amdgpu_driver_lastclose_kms,
1121 	.unload = amdgpu_driver_unload_kms,
1122 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
1123 	.enable_vblank = amdgpu_enable_vblank_kms,
1124 	.disable_vblank = amdgpu_disable_vblank_kms,
1125 	.get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1126 	.get_scanout_position = amdgpu_get_crtc_scanout_position,
1127 	.irq_handler = amdgpu_irq_handler,
1128 	.ioctls = amdgpu_ioctls_kms,
1129 	.gem_free_object_unlocked = amdgpu_gem_object_free,
1130 	.gem_open_object = amdgpu_gem_object_open,
1131 	.gem_close_object = amdgpu_gem_object_close,
1132 	.dumb_create = amdgpu_mode_dumb_create,
1133 	.dumb_map_offset = amdgpu_mode_dumb_mmap,
1134 	.fops = &amdgpu_driver_kms_fops,
1135 
1136 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1137 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1138 	.gem_prime_export = amdgpu_gem_prime_export,
1139 	.gem_prime_import = amdgpu_gem_prime_import,
1140 	.gem_prime_res_obj = amdgpu_gem_prime_res_obj,
1141 	.gem_prime_get_sg_table = amdgpu_gem_prime_get_sg_table,
1142 	.gem_prime_import_sg_table = amdgpu_gem_prime_import_sg_table,
1143 	.gem_prime_vmap = amdgpu_gem_prime_vmap,
1144 	.gem_prime_vunmap = amdgpu_gem_prime_vunmap,
1145 	.gem_prime_mmap = amdgpu_gem_prime_mmap,
1146 
1147 	.name = DRIVER_NAME,
1148 	.desc = DRIVER_DESC,
1149 	.date = DRIVER_DATE,
1150 	.major = KMS_DRIVER_MAJOR,
1151 	.minor = KMS_DRIVER_MINOR,
1152 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
1153 };
1154 
1155 static struct drm_driver *driver;
1156 static struct pci_driver *pdriver;
1157 
1158 static struct pci_driver amdgpu_kms_pci_driver = {
1159 	.name = DRIVER_NAME,
1160 	.id_table = pciidlist,
1161 	.probe = amdgpu_pci_probe,
1162 	.remove = amdgpu_pci_remove,
1163 	.shutdown = amdgpu_pci_shutdown,
1164 	.driver.pm = &amdgpu_pm_ops,
1165 };
1166 
1167 
1168 
1169 static int __init amdgpu_init(void)
1170 {
1171 	int r;
1172 
1173 	if (vgacon_text_force()) {
1174 		DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
1175 		return -EINVAL;
1176 	}
1177 
1178 	r = amdgpu_sync_init();
1179 	if (r)
1180 		goto error_sync;
1181 
1182 	r = amdgpu_fence_slab_init();
1183 	if (r)
1184 		goto error_fence;
1185 
1186 	DRM_INFO("amdgpu kernel modesetting enabled.\n");
1187 	driver = &kms_driver;
1188 	pdriver = &amdgpu_kms_pci_driver;
1189 	driver->num_ioctls = amdgpu_max_kms_ioctl;
1190 	amdgpu_register_atpx_handler();
1191 	/* let modprobe override vga console setting */
1192 	return pci_register_driver(pdriver);
1193 
1194 error_fence:
1195 	amdgpu_sync_fini();
1196 
1197 error_sync:
1198 	return r;
1199 }
1200 
1201 static void __exit amdgpu_exit(void)
1202 {
1203 	amdgpu_amdkfd_fini();
1204 	pci_unregister_driver(pdriver);
1205 	amdgpu_unregister_atpx_handler();
1206 	amdgpu_sync_fini();
1207 	amdgpu_fence_slab_fini();
1208 }
1209 
1210 module_init(amdgpu_init);
1211 module_exit(amdgpu_exit);
1212 
1213 MODULE_AUTHOR(DRIVER_AUTHOR);
1214 MODULE_DESCRIPTION(DRIVER_DESC);
1215 MODULE_LICENSE("GPL and additional rights");
1216