xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
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  * - 3.27.0 - Add new chunk to to AMDGPU_CS to enable BO_LIST creation.
73  */
74 #define KMS_DRIVER_MAJOR	3
75 #define KMS_DRIVER_MINOR	27
76 #define KMS_DRIVER_PATCHLEVEL	0
77 
78 int amdgpu_vram_limit = 0;
79 int amdgpu_vis_vram_limit = 0;
80 int amdgpu_gart_size = -1; /* auto */
81 int amdgpu_gtt_size = -1; /* auto */
82 int amdgpu_moverate = -1; /* auto */
83 int amdgpu_benchmarking = 0;
84 int amdgpu_testing = 0;
85 int amdgpu_audio = -1;
86 int amdgpu_disp_priority = 0;
87 int amdgpu_hw_i2c = 0;
88 int amdgpu_pcie_gen2 = -1;
89 int amdgpu_msi = -1;
90 int amdgpu_lockup_timeout = 10000;
91 int amdgpu_dpm = -1;
92 int amdgpu_fw_load_type = -1;
93 int amdgpu_aspm = -1;
94 int amdgpu_runtime_pm = -1;
95 uint amdgpu_ip_block_mask = 0xffffffff;
96 int amdgpu_bapm = -1;
97 int amdgpu_deep_color = 0;
98 int amdgpu_vm_size = -1;
99 int amdgpu_vm_fragment_size = -1;
100 int amdgpu_vm_block_size = -1;
101 int amdgpu_vm_fault_stop = 0;
102 int amdgpu_vm_debug = 0;
103 int amdgpu_vram_page_split = 512;
104 int amdgpu_vm_update_mode = -1;
105 int amdgpu_exp_hw_support = 0;
106 int amdgpu_dc = -1;
107 int amdgpu_sched_jobs = 32;
108 int amdgpu_sched_hw_submission = 2;
109 uint amdgpu_pcie_gen_cap = 0;
110 uint amdgpu_pcie_lane_cap = 0;
111 uint amdgpu_cg_mask = 0xffffffff;
112 uint amdgpu_pg_mask = 0xffffffff;
113 uint amdgpu_sdma_phase_quantum = 32;
114 char *amdgpu_disable_cu = NULL;
115 char *amdgpu_virtual_display = NULL;
116 /* OverDrive(bit 14),gfxoff(bit 15),stutter mode(bit 17) disabled by default*/
117 uint amdgpu_pp_feature_mask = 0xfffd3fff;
118 int amdgpu_ngg = 0;
119 int amdgpu_prim_buf_per_se = 0;
120 int amdgpu_pos_buf_per_se = 0;
121 int amdgpu_cntl_sb_buf_per_se = 0;
122 int amdgpu_param_buf_per_se = 0;
123 int amdgpu_job_hang_limit = 0;
124 int amdgpu_lbpw = -1;
125 int amdgpu_compute_multipipe = -1;
126 int amdgpu_gpu_recovery = -1; /* auto */
127 int amdgpu_emu_mode = 0;
128 uint amdgpu_smu_memory_pool_size = 0;
129 
130 /**
131  * DOC: vramlimit (int)
132  * Restrict the total amount of VRAM in MiB for testing.  The default is 0 (Use full VRAM).
133  */
134 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
135 module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
136 
137 /**
138  * DOC: vis_vramlimit (int)
139  * Restrict the amount of CPU visible VRAM in MiB for testing.  The default is 0 (Use full CPU visible VRAM).
140  */
141 MODULE_PARM_DESC(vis_vramlimit, "Restrict visible VRAM for testing, in megabytes");
142 module_param_named(vis_vramlimit, amdgpu_vis_vram_limit, int, 0444);
143 
144 /**
145  * DOC: gartsize (uint)
146  * Restrict the size of GART in Mib (32, 64, etc.) for testing. The default is -1 (The size depends on asic).
147  */
148 MODULE_PARM_DESC(gartsize, "Size of GART to setup in megabytes (32, 64, etc., -1=auto)");
149 module_param_named(gartsize, amdgpu_gart_size, uint, 0600);
150 
151 /**
152  * DOC: gttsize (int)
153  * Restrict the size of GTT domain in MiB for testing. The default is -1 (It's VRAM size if 3GB < VRAM < 3/4 RAM,
154  * otherwise 3/4 RAM size).
155  */
156 MODULE_PARM_DESC(gttsize, "Size of the GTT domain in megabytes (-1 = auto)");
157 module_param_named(gttsize, amdgpu_gtt_size, int, 0600);
158 
159 /**
160  * DOC: moverate (int)
161  * Set maximum buffer migration rate in MB/s. The default is -1 (8 MB/s).
162  */
163 MODULE_PARM_DESC(moverate, "Maximum buffer migration rate in MB/s. (32, 64, etc., -1=auto, 0=1=disabled)");
164 module_param_named(moverate, amdgpu_moverate, int, 0600);
165 
166 /**
167  * DOC: benchmark (int)
168  * Run benchmarks. The default is 0 (Skip benchmarks).
169  */
170 MODULE_PARM_DESC(benchmark, "Run benchmark");
171 module_param_named(benchmark, amdgpu_benchmarking, int, 0444);
172 
173 /**
174  * DOC: test (int)
175  * Test BO GTT->VRAM and VRAM->GTT GPU copies. The default is 0 (Skip test, only set 1 to run test).
176  */
177 MODULE_PARM_DESC(test, "Run tests");
178 module_param_named(test, amdgpu_testing, int, 0444);
179 
180 /**
181  * DOC: audio (int)
182  * Set HDMI/DPAudio. Only affects non-DC display handling. The default is -1 (Enabled), set 0 to disabled it.
183  */
184 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
185 module_param_named(audio, amdgpu_audio, int, 0444);
186 
187 /**
188  * DOC: disp_priority (int)
189  * Set display Priority (1 = normal, 2 = high). Only affects non-DC display handling. The default is 0 (auto).
190  */
191 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
192 module_param_named(disp_priority, amdgpu_disp_priority, int, 0444);
193 
194 /**
195  * DOC: hw_i2c (int)
196  * To enable hw i2c engine. Only affects non-DC display handling. The default is 0 (Disabled).
197  */
198 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
199 module_param_named(hw_i2c, amdgpu_hw_i2c, int, 0444);
200 
201 /**
202  * DOC: pcie_gen2 (int)
203  * To disable PCIE Gen2/3 mode (0 = disable, 1 = enable). The default is -1 (auto, enabled).
204  */
205 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
206 module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444);
207 
208 /**
209  * DOC: msi (int)
210  * To disable Message Signaled Interrupts (MSI) functionality (1 = enable, 0 = disable). The default is -1 (auto, enabled).
211  */
212 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
213 module_param_named(msi, amdgpu_msi, int, 0444);
214 
215 /**
216  * DOC: lockup_timeout (int)
217  * Set GPU scheduler timeout value in ms. Value 0 is invalidated, will be adjusted to 10000.
218  * Negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET). The default is 10000.
219  */
220 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms > 0 (default 10000)");
221 module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444);
222 
223 /**
224  * DOC: dpm (int)
225  * Override for dynamic power management setting (1 = enable, 0 = disable). The default is -1 (auto).
226  */
227 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
228 module_param_named(dpm, amdgpu_dpm, int, 0444);
229 
230 /**
231  * DOC: fw_load_type (int)
232  * Set different firmware loading type for debugging (0 = direct, 1 = SMU, 2 = PSP). The default is -1 (auto).
233  */
234 MODULE_PARM_DESC(fw_load_type, "firmware loading type (0 = direct, 1 = SMU, 2 = PSP, -1 = auto)");
235 module_param_named(fw_load_type, amdgpu_fw_load_type, int, 0444);
236 
237 /**
238  * DOC: aspm (int)
239  * To disable ASPM (1 = enable, 0 = disable). The default is -1 (auto, enabled).
240  */
241 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
242 module_param_named(aspm, amdgpu_aspm, int, 0444);
243 
244 /**
245  * DOC: runpm (int)
246  * Override for runtime power management control for dGPUs in PX/HG laptops. The amdgpu driver can dynamically power down
247  * the dGPU on PX/HG laptops when it is idle. The default is -1 (auto enable). Setting the value to 0 disables this functionality.
248  */
249 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
250 module_param_named(runpm, amdgpu_runtime_pm, int, 0444);
251 
252 /**
253  * DOC: ip_block_mask (uint)
254  * Override what IP blocks are enabled on the GPU. Each GPU is a collection of IP blocks (gfx, display, video, etc.).
255  * Use this parameter to disable specific blocks. Note that the IP blocks do not have a fixed index. Some asics may not have
256  * some IPs or may include multiple instances of an IP so the ordering various from asic to asic. See the driver output in
257  * the kernel log for the list of IPs on the asic. The default is 0xffffffff (enable all blocks on a device).
258  */
259 MODULE_PARM_DESC(ip_block_mask, "IP Block Mask (all blocks enabled (default))");
260 module_param_named(ip_block_mask, amdgpu_ip_block_mask, uint, 0444);
261 
262 /**
263  * DOC: bapm (int)
264  * Bidirectional Application Power Management (BAPM) used to dynamically share TDP between CPU and GPU. Set value 0 to disable it.
265  * The default -1 (auto, enabled)
266  */
267 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
268 module_param_named(bapm, amdgpu_bapm, int, 0444);
269 
270 /**
271  * DOC: deep_color (int)
272  * Set 1 to enable Deep Color support. Only affects non-DC display handling. The default is 0 (disabled).
273  */
274 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
275 module_param_named(deep_color, amdgpu_deep_color, int, 0444);
276 
277 /**
278  * DOC: vm_size (int)
279  * Override the size of the GPU's per client virtual address space in GiB.  The default is -1 (automatic for each asic).
280  */
281 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)");
282 module_param_named(vm_size, amdgpu_vm_size, int, 0444);
283 
284 /**
285  * DOC: vm_fragment_size (int)
286  * Override VM fragment size in bits (4, 5, etc. 4 = 64K, 9 = 2M). The default is -1 (automatic for each asic).
287  */
288 MODULE_PARM_DESC(vm_fragment_size, "VM fragment size in bits (4, 5, etc. 4 = 64K (default), Max 9 = 2M)");
289 module_param_named(vm_fragment_size, amdgpu_vm_fragment_size, int, 0444);
290 
291 /**
292  * DOC: vm_block_size (int)
293  * Override VM page table size in bits (default depending on vm_size and hw setup). The default is -1 (automatic for each asic).
294  */
295 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
296 module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444);
297 
298 /**
299  * DOC: vm_fault_stop (int)
300  * Stop on VM fault for debugging (0 = never, 1 = print first, 2 = always). The default is 0 (No stop).
301  */
302 MODULE_PARM_DESC(vm_fault_stop, "Stop on VM fault (0 = never (default), 1 = print first, 2 = always)");
303 module_param_named(vm_fault_stop, amdgpu_vm_fault_stop, int, 0444);
304 
305 /**
306  * DOC: vm_debug (int)
307  * Debug VM handling (0 = disabled, 1 = enabled). The default is 0 (Disabled).
308  */
309 MODULE_PARM_DESC(vm_debug, "Debug VM handling (0 = disabled (default), 1 = enabled)");
310 module_param_named(vm_debug, amdgpu_vm_debug, int, 0644);
311 
312 /**
313  * DOC: vm_update_mode (int)
314  * Override VM update mode. VM updated by using CPU (0 = never, 1 = Graphics only, 2 = Compute only, 3 = Both). The default
315  * is -1 (Only in large BAR(LB) systems Compute VM tables will be updated by CPU, otherwise 0, never).
316  */
317 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");
318 module_param_named(vm_update_mode, amdgpu_vm_update_mode, int, 0444);
319 
320 /**
321  * DOC: vram_page_split (int)
322  * Override the number of pages after we split VRAM allocations (default 512, -1 = disable). The default is 512.
323  */
324 MODULE_PARM_DESC(vram_page_split, "Number of pages after we split VRAM allocations (default 512, -1 = disable)");
325 module_param_named(vram_page_split, amdgpu_vram_page_split, int, 0444);
326 
327 /**
328  * DOC: exp_hw_support (int)
329  * Enable experimental hw support (1 = enable). The default is 0 (disabled).
330  */
331 MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))");
332 module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444);
333 
334 /**
335  * DOC: dc (int)
336  * Disable/Enable Display Core driver for debugging (1 = enable, 0 = disable). The default is -1 (automatic for each asic).
337  */
338 MODULE_PARM_DESC(dc, "Display Core driver (1 = enable, 0 = disable, -1 = auto (default))");
339 module_param_named(dc, amdgpu_dc, int, 0444);
340 
341 /**
342  * DOC: sched_jobs (int)
343  * Override the max number of jobs supported in the sw queue. The default is 32.
344  */
345 MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 32)");
346 module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444);
347 
348 /**
349  * DOC: sched_hw_submission (int)
350  * Override the max number of HW submissions. The default is 2.
351  */
352 MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
353 module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
354 
355 /**
356  * DOC: ppfeaturemask (uint)
357  * Override power features enabled. See enum PP_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
358  * The default is the current set of stable power features.
359  */
360 MODULE_PARM_DESC(ppfeaturemask, "all power features enabled (default))");
361 module_param_named(ppfeaturemask, amdgpu_pp_feature_mask, uint, 0444);
362 
363 /**
364  * DOC: pcie_gen_cap (uint)
365  * Override PCIE gen speed capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
366  * The default is 0 (automatic for each asic).
367  */
368 MODULE_PARM_DESC(pcie_gen_cap, "PCIE Gen Caps (0: autodetect (default))");
369 module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444);
370 
371 /**
372  * DOC: pcie_lane_cap (uint)
373  * Override PCIE lanes capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h.
374  * The default is 0 (automatic for each asic).
375  */
376 MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))");
377 module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444);
378 
379 /**
380  * DOC: cg_mask (uint)
381  * Override Clockgating features enabled on GPU (0 = disable clock gating). See the AMD_CG_SUPPORT flags in
382  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
383  */
384 MODULE_PARM_DESC(cg_mask, "Clockgating flags mask (0 = disable clock gating)");
385 module_param_named(cg_mask, amdgpu_cg_mask, uint, 0444);
386 
387 /**
388  * DOC: pg_mask (uint)
389  * Override Powergating features enabled on GPU (0 = disable power gating). See the AMD_PG_SUPPORT flags in
390  * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled).
391  */
392 MODULE_PARM_DESC(pg_mask, "Powergating flags mask (0 = disable power gating)");
393 module_param_named(pg_mask, amdgpu_pg_mask, uint, 0444);
394 
395 /**
396  * DOC: sdma_phase_quantum (uint)
397  * Override SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change). The default is 32.
398  */
399 MODULE_PARM_DESC(sdma_phase_quantum, "SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change (default 32))");
400 module_param_named(sdma_phase_quantum, amdgpu_sdma_phase_quantum, uint, 0444);
401 
402 /**
403  * DOC: disable_cu (charp)
404  * Set to disable CUs (It's set like se.sh.cu,...). The default is NULL.
405  */
406 MODULE_PARM_DESC(disable_cu, "Disable CUs (se.sh.cu,...)");
407 module_param_named(disable_cu, amdgpu_disable_cu, charp, 0444);
408 
409 /**
410  * DOC: virtual_display (charp)
411  * Set to enable virtual display feature. This feature provides a virtual display hardware on headless boards
412  * 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
413  * the device, plus the number of crtcs to expose. E.g., 0000:26:00.0,4 would enable 4 virtual crtcs on the pci
414  * device at 26:00.0. The default is NULL.
415  */
416 MODULE_PARM_DESC(virtual_display,
417 		 "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x)");
418 module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444);
419 
420 /**
421  * DOC: ngg (int)
422  * Set to enable Next Generation Graphics (1 = enable). The default is 0 (disabled).
423  */
424 MODULE_PARM_DESC(ngg, "Next Generation Graphics (1 = enable, 0 = disable(default depending on gfx))");
425 module_param_named(ngg, amdgpu_ngg, int, 0444);
426 
427 /**
428  * DOC: prim_buf_per_se (int)
429  * Override the size of Primitive Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
430  */
431 MODULE_PARM_DESC(prim_buf_per_se, "the size of Primitive Buffer per Shader Engine (default depending on gfx)");
432 module_param_named(prim_buf_per_se, amdgpu_prim_buf_per_se, int, 0444);
433 
434 /**
435  * DOC: pos_buf_per_se (int)
436  * Override the size of Position Buffer per Shader Engine in Byte. The default is 0 (depending on gfx).
437  */
438 MODULE_PARM_DESC(pos_buf_per_se, "the size of Position Buffer per Shader Engine (default depending on gfx)");
439 module_param_named(pos_buf_per_se, amdgpu_pos_buf_per_se, int, 0444);
440 
441 /**
442  * DOC: cntl_sb_buf_per_se (int)
443  * Override the size of Control Sideband per Shader Engine in Byte. The default is 0 (depending on gfx).
444  */
445 MODULE_PARM_DESC(cntl_sb_buf_per_se, "the size of Control Sideband per Shader Engine (default depending on gfx)");
446 module_param_named(cntl_sb_buf_per_se, amdgpu_cntl_sb_buf_per_se, int, 0444);
447 
448 /**
449  * DOC: param_buf_per_se (int)
450  * Override the size of Off-Chip Pramater Cache per Shader Engine in Byte. The default is 0 (depending on gfx).
451  */
452 MODULE_PARM_DESC(param_buf_per_se, "the size of Off-Chip Pramater Cache per Shader Engine (default depending on gfx)");
453 module_param_named(param_buf_per_se, amdgpu_param_buf_per_se, int, 0444);
454 
455 /**
456  * DOC: job_hang_limit (int)
457  * Set how much time allow a job hang and not drop it. The default is 0.
458  */
459 MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop it (default 0)");
460 module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
461 
462 /**
463  * DOC: lbpw (int)
464  * Override Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable). The default is -1 (auto, enabled).
465  */
466 MODULE_PARM_DESC(lbpw, "Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable, -1 = auto)");
467 module_param_named(lbpw, amdgpu_lbpw, int, 0444);
468 
469 MODULE_PARM_DESC(compute_multipipe, "Force compute queues to be spread across pipes (1 = enable, 0 = disable, -1 = auto)");
470 module_param_named(compute_multipipe, amdgpu_compute_multipipe, int, 0444);
471 
472 /**
473  * DOC: gpu_recovery (int)
474  * Set to enable GPU recovery mechanism (1 = enable, 0 = disable). The default is -1 (auto, disabled except SRIOV).
475  */
476 MODULE_PARM_DESC(gpu_recovery, "Enable GPU recovery mechanism, (1 = enable, 0 = disable, -1 = auto)");
477 module_param_named(gpu_recovery, amdgpu_gpu_recovery, int, 0444);
478 
479 /**
480  * DOC: emu_mode (int)
481  * Set value 1 to enable emulation mode. This is only needed when running on an emulator. The default is 0 (disabled).
482  */
483 MODULE_PARM_DESC(emu_mode, "Emulation mode, (1 = enable, 0 = disable)");
484 module_param_named(emu_mode, amdgpu_emu_mode, int, 0444);
485 
486 /**
487  * DOC: si_support (int)
488  * Set SI support driver. This parameter works after set config CONFIG_DRM_AMDGPU_SI. For SI asic, when radeon driver is enabled,
489  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
490  * otherwise using amdgpu driver.
491  */
492 #ifdef CONFIG_DRM_AMDGPU_SI
493 
494 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
495 int amdgpu_si_support = 0;
496 MODULE_PARM_DESC(si_support, "SI support (1 = enabled, 0 = disabled (default))");
497 #else
498 int amdgpu_si_support = 1;
499 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
500 #endif
501 
502 module_param_named(si_support, amdgpu_si_support, int, 0444);
503 #endif
504 
505 /**
506  * DOC: cik_support (int)
507  * Set CIK support driver. This parameter works after set config CONFIG_DRM_AMDGPU_CIK. For CIK asic, when radeon driver is enabled,
508  * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available,
509  * otherwise using amdgpu driver.
510  */
511 #ifdef CONFIG_DRM_AMDGPU_CIK
512 
513 #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
514 int amdgpu_cik_support = 0;
515 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled, 0 = disabled (default))");
516 #else
517 int amdgpu_cik_support = 1;
518 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
519 #endif
520 
521 module_param_named(cik_support, amdgpu_cik_support, int, 0444);
522 #endif
523 
524 /**
525  * DOC: smu_memory_pool_size (uint)
526  * It is used to reserve gtt for smu debug usage, setting value 0 to disable it. The actual size is value * 256MiB.
527  * E.g. 0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte. The default is 0 (disabled).
528  */
529 MODULE_PARM_DESC(smu_memory_pool_size,
530 	"reserve gtt for smu debug usage, 0 = disable,"
531 		"0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
532 module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444);
533 
534 static const struct pci_device_id pciidlist[] = {
535 #ifdef  CONFIG_DRM_AMDGPU_SI
536 	{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
537 	{0x1002, 0x6784, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
538 	{0x1002, 0x6788, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
539 	{0x1002, 0x678A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
540 	{0x1002, 0x6790, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
541 	{0x1002, 0x6791, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
542 	{0x1002, 0x6792, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
543 	{0x1002, 0x6798, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
544 	{0x1002, 0x6799, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
545 	{0x1002, 0x679A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
546 	{0x1002, 0x679B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
547 	{0x1002, 0x679E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
548 	{0x1002, 0x679F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
549 	{0x1002, 0x6800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
550 	{0x1002, 0x6801, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
551 	{0x1002, 0x6802, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|AMD_IS_MOBILITY},
552 	{0x1002, 0x6806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
553 	{0x1002, 0x6808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
554 	{0x1002, 0x6809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
555 	{0x1002, 0x6810, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
556 	{0x1002, 0x6811, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
557 	{0x1002, 0x6816, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
558 	{0x1002, 0x6817, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
559 	{0x1002, 0x6818, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
560 	{0x1002, 0x6819, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN},
561 	{0x1002, 0x6600, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
562 	{0x1002, 0x6601, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
563 	{0x1002, 0x6602, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
564 	{0x1002, 0x6603, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
565 	{0x1002, 0x6604, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
566 	{0x1002, 0x6605, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
567 	{0x1002, 0x6606, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
568 	{0x1002, 0x6607, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
569 	{0x1002, 0x6608, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
570 	{0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
571 	{0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
572 	{0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
573 	{0x1002, 0x6617, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
574 	{0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
575 	{0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
576 	{0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|AMD_IS_MOBILITY},
577 	{0x1002, 0x6631, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND},
578 	{0x1002, 0x6820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
579 	{0x1002, 0x6821, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
580 	{0x1002, 0x6822, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
581 	{0x1002, 0x6823, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
582 	{0x1002, 0x6824, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
583 	{0x1002, 0x6825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
584 	{0x1002, 0x6826, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
585 	{0x1002, 0x6827, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
586 	{0x1002, 0x6828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
587 	{0x1002, 0x6829, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
588 	{0x1002, 0x682A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
589 	{0x1002, 0x682B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
590 	{0x1002, 0x682C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
591 	{0x1002, 0x682D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
592 	{0x1002, 0x682F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
593 	{0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
594 	{0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|AMD_IS_MOBILITY},
595 	{0x1002, 0x6835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
596 	{0x1002, 0x6837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
597 	{0x1002, 0x6838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
598 	{0x1002, 0x6839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
599 	{0x1002, 0x683B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
600 	{0x1002, 0x683D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
601 	{0x1002, 0x683F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE},
602 	{0x1002, 0x6660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
603 	{0x1002, 0x6663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
604 	{0x1002, 0x6664, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
605 	{0x1002, 0x6665, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
606 	{0x1002, 0x6667, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
607 	{0x1002, 0x666F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|AMD_IS_MOBILITY},
608 #endif
609 #ifdef CONFIG_DRM_AMDGPU_CIK
610 	/* Kaveri */
611 	{0x1002, 0x1304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
612 	{0x1002, 0x1305, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
613 	{0x1002, 0x1306, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
614 	{0x1002, 0x1307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
615 	{0x1002, 0x1309, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
616 	{0x1002, 0x130A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
617 	{0x1002, 0x130B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
618 	{0x1002, 0x130C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
619 	{0x1002, 0x130D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
620 	{0x1002, 0x130E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
621 	{0x1002, 0x130F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
622 	{0x1002, 0x1310, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
623 	{0x1002, 0x1311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
624 	{0x1002, 0x1312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
625 	{0x1002, 0x1313, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
626 	{0x1002, 0x1315, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
627 	{0x1002, 0x1316, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
628 	{0x1002, 0x1317, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
629 	{0x1002, 0x1318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
630 	{0x1002, 0x131B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
631 	{0x1002, 0x131C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
632 	{0x1002, 0x131D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
633 	/* Bonaire */
634 	{0x1002, 0x6640, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
635 	{0x1002, 0x6641, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
636 	{0x1002, 0x6646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
637 	{0x1002, 0x6647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
638 	{0x1002, 0x6649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
639 	{0x1002, 0x6650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
640 	{0x1002, 0x6651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
641 	{0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
642 	{0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
643 	{0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
644 	{0x1002, 0x665f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
645 	/* Hawaii */
646 	{0x1002, 0x67A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
647 	{0x1002, 0x67A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
648 	{0x1002, 0x67A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
649 	{0x1002, 0x67A8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
650 	{0x1002, 0x67A9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
651 	{0x1002, 0x67AA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
652 	{0x1002, 0x67B0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
653 	{0x1002, 0x67B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
654 	{0x1002, 0x67B8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
655 	{0x1002, 0x67B9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
656 	{0x1002, 0x67BA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
657 	{0x1002, 0x67BE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
658 	/* Kabini */
659 	{0x1002, 0x9830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
660 	{0x1002, 0x9831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
661 	{0x1002, 0x9832, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
662 	{0x1002, 0x9833, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
663 	{0x1002, 0x9834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
664 	{0x1002, 0x9835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
665 	{0x1002, 0x9836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
666 	{0x1002, 0x9837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
667 	{0x1002, 0x9838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
668 	{0x1002, 0x9839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
669 	{0x1002, 0x983a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
670 	{0x1002, 0x983b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
671 	{0x1002, 0x983c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
672 	{0x1002, 0x983d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
673 	{0x1002, 0x983e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
674 	{0x1002, 0x983f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
675 	/* mullins */
676 	{0x1002, 0x9850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
677 	{0x1002, 0x9851, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
678 	{0x1002, 0x9852, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
679 	{0x1002, 0x9853, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
680 	{0x1002, 0x9854, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
681 	{0x1002, 0x9855, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
682 	{0x1002, 0x9856, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
683 	{0x1002, 0x9857, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
684 	{0x1002, 0x9858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
685 	{0x1002, 0x9859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
686 	{0x1002, 0x985A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
687 	{0x1002, 0x985B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
688 	{0x1002, 0x985C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
689 	{0x1002, 0x985D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
690 	{0x1002, 0x985E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
691 	{0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
692 #endif
693 	/* topaz */
694 	{0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
695 	{0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
696 	{0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
697 	{0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
698 	{0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
699 	/* tonga */
700 	{0x1002, 0x6920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
701 	{0x1002, 0x6921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
702 	{0x1002, 0x6928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
703 	{0x1002, 0x6929, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
704 	{0x1002, 0x692B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
705 	{0x1002, 0x692F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
706 	{0x1002, 0x6930, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
707 	{0x1002, 0x6938, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
708 	{0x1002, 0x6939, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
709 	/* fiji */
710 	{0x1002, 0x7300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
711 	{0x1002, 0x730F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
712 	/* carrizo */
713 	{0x1002, 0x9870, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
714 	{0x1002, 0x9874, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
715 	{0x1002, 0x9875, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
716 	{0x1002, 0x9876, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
717 	{0x1002, 0x9877, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
718 	/* stoney */
719 	{0x1002, 0x98E4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_STONEY|AMD_IS_APU},
720 	/* Polaris11 */
721 	{0x1002, 0x67E0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
722 	{0x1002, 0x67E3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
723 	{0x1002, 0x67E8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
724 	{0x1002, 0x67EB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
725 	{0x1002, 0x67EF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
726 	{0x1002, 0x67FF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
727 	{0x1002, 0x67E1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
728 	{0x1002, 0x67E7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
729 	{0x1002, 0x67E9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
730 	/* Polaris10 */
731 	{0x1002, 0x67C0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
732 	{0x1002, 0x67C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
733 	{0x1002, 0x67C2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
734 	{0x1002, 0x67C4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
735 	{0x1002, 0x67C7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
736 	{0x1002, 0x67D0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
737 	{0x1002, 0x67DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
738 	{0x1002, 0x67C8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
739 	{0x1002, 0x67C9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
740 	{0x1002, 0x67CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
741 	{0x1002, 0x67CC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
742 	{0x1002, 0x67CF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
743 	/* Polaris12 */
744 	{0x1002, 0x6980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
745 	{0x1002, 0x6981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
746 	{0x1002, 0x6985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
747 	{0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
748 	{0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
749 	{0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
750 	{0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
751 	{0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12},
752 	/* VEGAM */
753 	{0x1002, 0x694C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
754 	{0x1002, 0x694E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGAM},
755 	/* Vega 10 */
756 	{0x1002, 0x6860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
757 	{0x1002, 0x6861, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
758 	{0x1002, 0x6862, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
759 	{0x1002, 0x6863, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
760 	{0x1002, 0x6864, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
761 	{0x1002, 0x6867, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
762 	{0x1002, 0x6868, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
763 	{0x1002, 0x686c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
764 	{0x1002, 0x687f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10},
765 	/* Vega 12 */
766 	{0x1002, 0x69A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
767 	{0x1002, 0x69A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
768 	{0x1002, 0x69A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
769 	{0x1002, 0x69A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
770 	{0x1002, 0x69AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA12},
771 	/* Vega 20 */
772 	{0x1002, 0x66A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
773 	{0x1002, 0x66A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
774 	{0x1002, 0x66A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
775 	{0x1002, 0x66A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
776 	{0x1002, 0x66A7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
777 	{0x1002, 0x66AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA20|AMD_EXP_HW_SUPPORT},
778 	/* Raven */
779 	{0x1002, 0x15dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RAVEN|AMD_IS_APU},
780 
781 	{0, 0, 0}
782 };
783 
784 MODULE_DEVICE_TABLE(pci, pciidlist);
785 
786 static struct drm_driver kms_driver;
787 
788 static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev)
789 {
790 	struct apertures_struct *ap;
791 	bool primary = false;
792 
793 	ap = alloc_apertures(1);
794 	if (!ap)
795 		return -ENOMEM;
796 
797 	ap->ranges[0].base = pci_resource_start(pdev, 0);
798 	ap->ranges[0].size = pci_resource_len(pdev, 0);
799 
800 #ifdef CONFIG_X86
801 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
802 #endif
803 	drm_fb_helper_remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
804 	kfree(ap);
805 
806 	return 0;
807 }
808 
809 
810 static int amdgpu_pci_probe(struct pci_dev *pdev,
811 			    const struct pci_device_id *ent)
812 {
813 	struct drm_device *dev;
814 	unsigned long flags = ent->driver_data;
815 	int ret, retry = 0;
816 	bool supports_atomic = false;
817 
818 	if (!amdgpu_virtual_display &&
819 	    amdgpu_device_asic_has_dc_support(flags & AMD_ASIC_MASK))
820 		supports_atomic = true;
821 
822 	if ((flags & AMD_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) {
823 		DRM_INFO("This hardware requires experimental hardware support.\n"
824 			 "See modparam exp_hw_support\n");
825 		return -ENODEV;
826 	}
827 
828 	/*
829 	 * Initialize amdkfd before starting radeon. If it was not loaded yet,
830 	 * defer radeon probing
831 	 */
832 	ret = amdgpu_amdkfd_init();
833 	if (ret == -EPROBE_DEFER)
834 		return ret;
835 
836 	/* Get rid of things like offb */
837 	ret = amdgpu_kick_out_firmware_fb(pdev);
838 	if (ret)
839 		return ret;
840 
841 	/* warn the user if they mix atomic and non-atomic capable GPUs */
842 	if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
843 		DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
844 	/* support atomic early so the atomic debugfs stuff gets created */
845 	if (supports_atomic)
846 		kms_driver.driver_features |= DRIVER_ATOMIC;
847 
848 	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
849 	if (IS_ERR(dev))
850 		return PTR_ERR(dev);
851 
852 	ret = pci_enable_device(pdev);
853 	if (ret)
854 		goto err_free;
855 
856 	dev->pdev = pdev;
857 
858 	pci_set_drvdata(pdev, dev);
859 
860 retry_init:
861 	ret = drm_dev_register(dev, ent->driver_data);
862 	if (ret == -EAGAIN && ++retry <= 3) {
863 		DRM_INFO("retry init %d\n", retry);
864 		/* Don't request EX mode too frequently which is attacking */
865 		msleep(5000);
866 		goto retry_init;
867 	} else if (ret)
868 		goto err_pci;
869 
870 	return 0;
871 
872 err_pci:
873 	pci_disable_device(pdev);
874 err_free:
875 	drm_dev_put(dev);
876 	return ret;
877 }
878 
879 static void
880 amdgpu_pci_remove(struct pci_dev *pdev)
881 {
882 	struct drm_device *dev = pci_get_drvdata(pdev);
883 
884 	drm_dev_unregister(dev);
885 	drm_dev_put(dev);
886 	pci_disable_device(pdev);
887 	pci_set_drvdata(pdev, NULL);
888 }
889 
890 static void
891 amdgpu_pci_shutdown(struct pci_dev *pdev)
892 {
893 	struct drm_device *dev = pci_get_drvdata(pdev);
894 	struct amdgpu_device *adev = dev->dev_private;
895 
896 	/* if we are running in a VM, make sure the device
897 	 * torn down properly on reboot/shutdown.
898 	 * unfortunately we can't detect certain
899 	 * hypervisors so just do this all the time.
900 	 */
901 	amdgpu_device_ip_suspend(adev);
902 }
903 
904 static int amdgpu_pmops_suspend(struct device *dev)
905 {
906 	struct pci_dev *pdev = to_pci_dev(dev);
907 
908 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
909 	return amdgpu_device_suspend(drm_dev, true, true);
910 }
911 
912 static int amdgpu_pmops_resume(struct device *dev)
913 {
914 	struct pci_dev *pdev = to_pci_dev(dev);
915 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
916 
917 	/* GPU comes up enabled by the bios on resume */
918 	if (amdgpu_device_is_px(drm_dev)) {
919 		pm_runtime_disable(dev);
920 		pm_runtime_set_active(dev);
921 		pm_runtime_enable(dev);
922 	}
923 
924 	return amdgpu_device_resume(drm_dev, true, true);
925 }
926 
927 static int amdgpu_pmops_freeze(struct device *dev)
928 {
929 	struct pci_dev *pdev = to_pci_dev(dev);
930 
931 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
932 	return amdgpu_device_suspend(drm_dev, false, true);
933 }
934 
935 static int amdgpu_pmops_thaw(struct device *dev)
936 {
937 	struct pci_dev *pdev = to_pci_dev(dev);
938 
939 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
940 	return amdgpu_device_resume(drm_dev, false, true);
941 }
942 
943 static int amdgpu_pmops_poweroff(struct device *dev)
944 {
945 	struct pci_dev *pdev = to_pci_dev(dev);
946 
947 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
948 	return amdgpu_device_suspend(drm_dev, true, true);
949 }
950 
951 static int amdgpu_pmops_restore(struct device *dev)
952 {
953 	struct pci_dev *pdev = to_pci_dev(dev);
954 
955 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
956 	return amdgpu_device_resume(drm_dev, false, true);
957 }
958 
959 static int amdgpu_pmops_runtime_suspend(struct device *dev)
960 {
961 	struct pci_dev *pdev = to_pci_dev(dev);
962 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
963 	int ret;
964 
965 	if (!amdgpu_device_is_px(drm_dev)) {
966 		pm_runtime_forbid(dev);
967 		return -EBUSY;
968 	}
969 
970 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
971 	drm_kms_helper_poll_disable(drm_dev);
972 
973 	ret = amdgpu_device_suspend(drm_dev, false, false);
974 	pci_save_state(pdev);
975 	pci_disable_device(pdev);
976 	pci_ignore_hotplug(pdev);
977 	if (amdgpu_is_atpx_hybrid())
978 		pci_set_power_state(pdev, PCI_D3cold);
979 	else if (!amdgpu_has_atpx_dgpu_power_cntl())
980 		pci_set_power_state(pdev, PCI_D3hot);
981 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
982 
983 	return 0;
984 }
985 
986 static int amdgpu_pmops_runtime_resume(struct device *dev)
987 {
988 	struct pci_dev *pdev = to_pci_dev(dev);
989 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
990 	int ret;
991 
992 	if (!amdgpu_device_is_px(drm_dev))
993 		return -EINVAL;
994 
995 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
996 
997 	if (amdgpu_is_atpx_hybrid() ||
998 	    !amdgpu_has_atpx_dgpu_power_cntl())
999 		pci_set_power_state(pdev, PCI_D0);
1000 	pci_restore_state(pdev);
1001 	ret = pci_enable_device(pdev);
1002 	if (ret)
1003 		return ret;
1004 	pci_set_master(pdev);
1005 
1006 	ret = amdgpu_device_resume(drm_dev, false, false);
1007 	drm_kms_helper_poll_enable(drm_dev);
1008 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
1009 	return 0;
1010 }
1011 
1012 static int amdgpu_pmops_runtime_idle(struct device *dev)
1013 {
1014 	struct pci_dev *pdev = to_pci_dev(dev);
1015 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
1016 	struct drm_crtc *crtc;
1017 
1018 	if (!amdgpu_device_is_px(drm_dev)) {
1019 		pm_runtime_forbid(dev);
1020 		return -EBUSY;
1021 	}
1022 
1023 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
1024 		if (crtc->enabled) {
1025 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
1026 			return -EBUSY;
1027 		}
1028 	}
1029 
1030 	pm_runtime_mark_last_busy(dev);
1031 	pm_runtime_autosuspend(dev);
1032 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
1033 	return 1;
1034 }
1035 
1036 long amdgpu_drm_ioctl(struct file *filp,
1037 		      unsigned int cmd, unsigned long arg)
1038 {
1039 	struct drm_file *file_priv = filp->private_data;
1040 	struct drm_device *dev;
1041 	long ret;
1042 	dev = file_priv->minor->dev;
1043 	ret = pm_runtime_get_sync(dev->dev);
1044 	if (ret < 0)
1045 		return ret;
1046 
1047 	ret = drm_ioctl(filp, cmd, arg);
1048 
1049 	pm_runtime_mark_last_busy(dev->dev);
1050 	pm_runtime_put_autosuspend(dev->dev);
1051 	return ret;
1052 }
1053 
1054 static const struct dev_pm_ops amdgpu_pm_ops = {
1055 	.suspend = amdgpu_pmops_suspend,
1056 	.resume = amdgpu_pmops_resume,
1057 	.freeze = amdgpu_pmops_freeze,
1058 	.thaw = amdgpu_pmops_thaw,
1059 	.poweroff = amdgpu_pmops_poweroff,
1060 	.restore = amdgpu_pmops_restore,
1061 	.runtime_suspend = amdgpu_pmops_runtime_suspend,
1062 	.runtime_resume = amdgpu_pmops_runtime_resume,
1063 	.runtime_idle = amdgpu_pmops_runtime_idle,
1064 };
1065 
1066 static int amdgpu_flush(struct file *f, fl_owner_t id)
1067 {
1068 	struct drm_file *file_priv = f->private_data;
1069 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1070 
1071 	amdgpu_ctx_mgr_entity_flush(&fpriv->ctx_mgr);
1072 
1073 	return 0;
1074 }
1075 
1076 
1077 static const struct file_operations amdgpu_driver_kms_fops = {
1078 	.owner = THIS_MODULE,
1079 	.open = drm_open,
1080 	.flush = amdgpu_flush,
1081 	.release = drm_release,
1082 	.unlocked_ioctl = amdgpu_drm_ioctl,
1083 	.mmap = amdgpu_mmap,
1084 	.poll = drm_poll,
1085 	.read = drm_read,
1086 #ifdef CONFIG_COMPAT
1087 	.compat_ioctl = amdgpu_kms_compat_ioctl,
1088 #endif
1089 };
1090 
1091 static bool
1092 amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
1093 				 bool in_vblank_irq, int *vpos, int *hpos,
1094 				 ktime_t *stime, ktime_t *etime,
1095 				 const struct drm_display_mode *mode)
1096 {
1097 	return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
1098 						  stime, etime, mode);
1099 }
1100 
1101 static struct drm_driver kms_driver = {
1102 	.driver_features =
1103 	    DRIVER_USE_AGP |
1104 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
1105 	    DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
1106 	.load = amdgpu_driver_load_kms,
1107 	.open = amdgpu_driver_open_kms,
1108 	.postclose = amdgpu_driver_postclose_kms,
1109 	.lastclose = amdgpu_driver_lastclose_kms,
1110 	.unload = amdgpu_driver_unload_kms,
1111 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
1112 	.enable_vblank = amdgpu_enable_vblank_kms,
1113 	.disable_vblank = amdgpu_disable_vblank_kms,
1114 	.get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1115 	.get_scanout_position = amdgpu_get_crtc_scanout_position,
1116 	.irq_handler = amdgpu_irq_handler,
1117 	.ioctls = amdgpu_ioctls_kms,
1118 	.gem_free_object_unlocked = amdgpu_gem_object_free,
1119 	.gem_open_object = amdgpu_gem_object_open,
1120 	.gem_close_object = amdgpu_gem_object_close,
1121 	.dumb_create = amdgpu_mode_dumb_create,
1122 	.dumb_map_offset = amdgpu_mode_dumb_mmap,
1123 	.fops = &amdgpu_driver_kms_fops,
1124 
1125 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1126 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1127 	.gem_prime_export = amdgpu_gem_prime_export,
1128 	.gem_prime_import = amdgpu_gem_prime_import,
1129 	.gem_prime_res_obj = amdgpu_gem_prime_res_obj,
1130 	.gem_prime_get_sg_table = amdgpu_gem_prime_get_sg_table,
1131 	.gem_prime_import_sg_table = amdgpu_gem_prime_import_sg_table,
1132 	.gem_prime_vmap = amdgpu_gem_prime_vmap,
1133 	.gem_prime_vunmap = amdgpu_gem_prime_vunmap,
1134 	.gem_prime_mmap = amdgpu_gem_prime_mmap,
1135 
1136 	.name = DRIVER_NAME,
1137 	.desc = DRIVER_DESC,
1138 	.date = DRIVER_DATE,
1139 	.major = KMS_DRIVER_MAJOR,
1140 	.minor = KMS_DRIVER_MINOR,
1141 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
1142 };
1143 
1144 static struct drm_driver *driver;
1145 static struct pci_driver *pdriver;
1146 
1147 static struct pci_driver amdgpu_kms_pci_driver = {
1148 	.name = DRIVER_NAME,
1149 	.id_table = pciidlist,
1150 	.probe = amdgpu_pci_probe,
1151 	.remove = amdgpu_pci_remove,
1152 	.shutdown = amdgpu_pci_shutdown,
1153 	.driver.pm = &amdgpu_pm_ops,
1154 };
1155 
1156 
1157 
1158 static int __init amdgpu_init(void)
1159 {
1160 	int r;
1161 
1162 	if (vgacon_text_force()) {
1163 		DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
1164 		return -EINVAL;
1165 	}
1166 
1167 	r = amdgpu_sync_init();
1168 	if (r)
1169 		goto error_sync;
1170 
1171 	r = amdgpu_fence_slab_init();
1172 	if (r)
1173 		goto error_fence;
1174 
1175 	DRM_INFO("amdgpu kernel modesetting enabled.\n");
1176 	driver = &kms_driver;
1177 	pdriver = &amdgpu_kms_pci_driver;
1178 	driver->num_ioctls = amdgpu_max_kms_ioctl;
1179 	amdgpu_register_atpx_handler();
1180 	/* let modprobe override vga console setting */
1181 	return pci_register_driver(pdriver);
1182 
1183 error_fence:
1184 	amdgpu_sync_fini();
1185 
1186 error_sync:
1187 	return r;
1188 }
1189 
1190 static void __exit amdgpu_exit(void)
1191 {
1192 	amdgpu_amdkfd_fini();
1193 	pci_unregister_driver(pdriver);
1194 	amdgpu_unregister_atpx_handler();
1195 	amdgpu_sync_fini();
1196 	amdgpu_fence_slab_fini();
1197 }
1198 
1199 module_init(amdgpu_init);
1200 module_exit(amdgpu_exit);
1201 
1202 MODULE_AUTHOR(DRIVER_AUTHOR);
1203 MODULE_DESCRIPTION(DRIVER_DESC);
1204 MODULE_LICENSE("GPL and additional rights");
1205