xref: /linux/drivers/gpu/drm/radeon/radeon_drv.c (revision c411ed854584a71b0e86ac3019b60e4789d88086)
1 /**
2  * \file radeon_drv.c
3  * ATI Radeon driver
4  *
5  * \author Gareth Hughes <gareth@valinux.com>
6  */
7 
8 /*
9  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10  * All Rights Reserved.
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a
13  * copy of this software and associated documentation files (the "Software"),
14  * to deal in the Software without restriction, including without limitation
15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16  * and/or sell copies of the Software, and to permit persons to whom the
17  * Software is furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice (including the next
20  * paragraph) shall be included in all copies or substantial portions of the
21  * Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
26  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29  * OTHER DEALINGS IN THE SOFTWARE.
30  */
31 
32 #include <drm/drmP.h>
33 #include <drm/radeon_drm.h>
34 #include "radeon_drv.h"
35 
36 #include <drm/drm_pciids.h>
37 #include <linux/console.h>
38 #include <linux/module.h>
39 #include <linux/pm_runtime.h>
40 #include <linux/vga_switcheroo.h>
41 #include <linux/compat.h>
42 #include <drm/drm_gem.h>
43 #include <drm/drm_fb_helper.h>
44 
45 #include <drm/drm_crtc_helper.h>
46 #include "radeon_kfd.h"
47 
48 /*
49  * KMS wrapper.
50  * - 2.0.0 - initial interface
51  * - 2.1.0 - add square tiling interface
52  * - 2.2.0 - add r6xx/r7xx const buffer support
53  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
54  * - 2.4.0 - add crtc id query
55  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
56  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
57  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
58  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
59  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
60  *   2.10.0 - fusion 2D tiling
61  *   2.11.0 - backend map, initial compute support for the CS checker
62  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
63  *   2.13.0 - virtual memory support, streamout
64  *   2.14.0 - add evergreen tiling informations
65  *   2.15.0 - add max_pipes query
66  *   2.16.0 - fix evergreen 2D tiled surface calculation
67  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
68  *   2.18.0 - r600-eg: allow "invalid" DB formats
69  *   2.19.0 - r600-eg: MSAA textures
70  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
71  *   2.21.0 - r600-r700: FMASK and CMASK
72  *   2.22.0 - r600 only: RESOLVE_BOX allowed
73  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
74  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
75  *   2.25.0 - eg+: new info request for num SE and num SH
76  *   2.26.0 - r600-eg: fix htile size computation
77  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
78  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
79  *   2.29.0 - R500 FP16 color clear registers
80  *   2.30.0 - fix for FMASK texturing
81  *   2.31.0 - Add fastfb support for rs690
82  *   2.32.0 - new info request for rings working
83  *   2.33.0 - Add SI tiling mode array query
84  *   2.34.0 - Add CIK tiling mode array query
85  *   2.35.0 - Add CIK macrotile mode array query
86  *   2.36.0 - Fix CIK DCE tiling setup
87  *   2.37.0 - allow GS ring setup on r6xx/r7xx
88  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
89  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
90  *   2.39.0 - Add INFO query for number of active CUs
91  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
92  *            CS to GPU on >= r600
93  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
94  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
95  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
96  *   2.44.0 - SET_APPEND_CNT packet3 support
97  *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
98  *   2.46.0 - Add PFP_SYNC_ME support on evergreen
99  *   2.47.0 - Add UVD_NO_OP register support
100  *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
101  *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
102  *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
103  */
104 #define KMS_DRIVER_MAJOR	2
105 #define KMS_DRIVER_MINOR	50
106 #define KMS_DRIVER_PATCHLEVEL	0
107 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
108 void radeon_driver_unload_kms(struct drm_device *dev);
109 void radeon_driver_lastclose_kms(struct drm_device *dev);
110 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
111 void radeon_driver_postclose_kms(struct drm_device *dev,
112 				 struct drm_file *file_priv);
113 int radeon_suspend_kms(struct drm_device *dev, bool suspend,
114 		       bool fbcon, bool freeze);
115 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
116 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
117 int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
118 void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
119 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
120 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
121 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
122 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
123 void radeon_gem_object_free(struct drm_gem_object *obj);
124 int radeon_gem_object_open(struct drm_gem_object *obj,
125 				struct drm_file *file_priv);
126 void radeon_gem_object_close(struct drm_gem_object *obj,
127 				struct drm_file *file_priv);
128 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
129 					struct drm_gem_object *gobj,
130 					int flags);
131 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
132 				      unsigned int flags, int *vpos, int *hpos,
133 				      ktime_t *stime, ktime_t *etime,
134 				      const struct drm_display_mode *mode);
135 extern bool radeon_is_px(struct drm_device *dev);
136 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
137 extern int radeon_max_kms_ioctl;
138 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
139 int radeon_mode_dumb_mmap(struct drm_file *filp,
140 			  struct drm_device *dev,
141 			  uint32_t handle, uint64_t *offset_p);
142 int radeon_mode_dumb_create(struct drm_file *file_priv,
143 			    struct drm_device *dev,
144 			    struct drm_mode_create_dumb *args);
145 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
146 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
147 							struct dma_buf_attachment *,
148 							struct sg_table *sg);
149 int radeon_gem_prime_pin(struct drm_gem_object *obj);
150 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
151 struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *);
152 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
153 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
154 
155 /* atpx handler */
156 #if defined(CONFIG_VGA_SWITCHEROO)
157 void radeon_register_atpx_handler(void);
158 void radeon_unregister_atpx_handler(void);
159 bool radeon_has_atpx_dgpu_power_cntl(void);
160 bool radeon_is_atpx_hybrid(void);
161 #else
162 static inline void radeon_register_atpx_handler(void) {}
163 static inline void radeon_unregister_atpx_handler(void) {}
164 static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
165 static inline bool radeon_is_atpx_hybrid(void) { return false; }
166 #endif
167 
168 int radeon_no_wb;
169 int radeon_modeset = -1;
170 int radeon_dynclks = -1;
171 int radeon_r4xx_atom = 0;
172 int radeon_agpmode = 0;
173 int radeon_vram_limit = 0;
174 int radeon_gart_size = -1; /* auto */
175 int radeon_benchmarking = 0;
176 int radeon_testing = 0;
177 int radeon_connector_table = 0;
178 int radeon_tv = 1;
179 int radeon_audio = -1;
180 int radeon_disp_priority = 0;
181 int radeon_hw_i2c = 0;
182 int radeon_pcie_gen2 = -1;
183 int radeon_msi = -1;
184 int radeon_lockup_timeout = 10000;
185 int radeon_fastfb = 0;
186 int radeon_dpm = -1;
187 int radeon_aspm = -1;
188 int radeon_runtime_pm = -1;
189 int radeon_hard_reset = 0;
190 int radeon_vm_size = 8;
191 int radeon_vm_block_size = -1;
192 int radeon_deep_color = 0;
193 int radeon_use_pflipirq = 2;
194 int radeon_bapm = -1;
195 int radeon_backlight = -1;
196 int radeon_auxch = -1;
197 int radeon_mst = 0;
198 int radeon_uvd = 1;
199 int radeon_vce = 1;
200 
201 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
202 module_param_named(no_wb, radeon_no_wb, int, 0444);
203 
204 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
205 module_param_named(modeset, radeon_modeset, int, 0400);
206 
207 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
208 module_param_named(dynclks, radeon_dynclks, int, 0444);
209 
210 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
211 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
212 
213 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
214 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
215 
216 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
217 module_param_named(agpmode, radeon_agpmode, int, 0444);
218 
219 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
220 module_param_named(gartsize, radeon_gart_size, int, 0600);
221 
222 MODULE_PARM_DESC(benchmark, "Run benchmark");
223 module_param_named(benchmark, radeon_benchmarking, int, 0444);
224 
225 MODULE_PARM_DESC(test, "Run tests");
226 module_param_named(test, radeon_testing, int, 0444);
227 
228 MODULE_PARM_DESC(connector_table, "Force connector table");
229 module_param_named(connector_table, radeon_connector_table, int, 0444);
230 
231 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
232 module_param_named(tv, radeon_tv, int, 0444);
233 
234 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
235 module_param_named(audio, radeon_audio, int, 0444);
236 
237 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
238 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
239 
240 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
241 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
242 
243 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
244 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
245 
246 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
247 module_param_named(msi, radeon_msi, int, 0444);
248 
249 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
250 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
251 
252 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
253 module_param_named(fastfb, radeon_fastfb, int, 0444);
254 
255 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
256 module_param_named(dpm, radeon_dpm, int, 0444);
257 
258 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
259 module_param_named(aspm, radeon_aspm, int, 0444);
260 
261 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
262 module_param_named(runpm, radeon_runtime_pm, int, 0444);
263 
264 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
265 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
266 
267 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
268 module_param_named(vm_size, radeon_vm_size, int, 0444);
269 
270 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
271 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
272 
273 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
274 module_param_named(deep_color, radeon_deep_color, int, 0444);
275 
276 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
277 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
278 
279 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
280 module_param_named(bapm, radeon_bapm, int, 0444);
281 
282 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
283 module_param_named(backlight, radeon_backlight, int, 0444);
284 
285 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
286 module_param_named(auxch, radeon_auxch, int, 0444);
287 
288 MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
289 module_param_named(mst, radeon_mst, int, 0444);
290 
291 MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
292 module_param_named(uvd, radeon_uvd, int, 0444);
293 
294 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
295 module_param_named(vce, radeon_vce, int, 0444);
296 
297 int radeon_si_support = 1;
298 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
299 module_param_named(si_support, radeon_si_support, int, 0444);
300 
301 int radeon_cik_support = 1;
302 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
303 module_param_named(cik_support, radeon_cik_support, int, 0444);
304 
305 static struct pci_device_id pciidlist[] = {
306 	radeon_PCI_IDS
307 };
308 
309 MODULE_DEVICE_TABLE(pci, pciidlist);
310 
311 static struct drm_driver kms_driver;
312 
313 bool radeon_device_is_virtual(void);
314 
315 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
316 {
317 	struct apertures_struct *ap;
318 	bool primary = false;
319 
320 	ap = alloc_apertures(1);
321 	if (!ap)
322 		return -ENOMEM;
323 
324 	ap->ranges[0].base = pci_resource_start(pdev, 0);
325 	ap->ranges[0].size = pci_resource_len(pdev, 0);
326 
327 #ifdef CONFIG_X86
328 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
329 #endif
330 	drm_fb_helper_remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
331 	kfree(ap);
332 
333 	return 0;
334 }
335 
336 static int radeon_pci_probe(struct pci_dev *pdev,
337 			    const struct pci_device_id *ent)
338 {
339 	int ret;
340 
341 	/*
342 	 * Initialize amdkfd before starting radeon. If it was not loaded yet,
343 	 * defer radeon probing
344 	 */
345 	ret = radeon_kfd_init();
346 	if (ret == -EPROBE_DEFER)
347 		return ret;
348 
349 	if (vga_switcheroo_client_probe_defer(pdev))
350 		return -EPROBE_DEFER;
351 
352 	/* Get rid of things like offb */
353 	ret = radeon_kick_out_firmware_fb(pdev);
354 	if (ret)
355 		return ret;
356 
357 	return drm_get_pci_dev(pdev, ent, &kms_driver);
358 }
359 
360 static void
361 radeon_pci_remove(struct pci_dev *pdev)
362 {
363 	struct drm_device *dev = pci_get_drvdata(pdev);
364 
365 	drm_put_dev(dev);
366 }
367 
368 static void
369 radeon_pci_shutdown(struct pci_dev *pdev)
370 {
371 	/* if we are running in a VM, make sure the device
372 	 * torn down properly on reboot/shutdown
373 	 */
374 	if (radeon_device_is_virtual())
375 		radeon_pci_remove(pdev);
376 }
377 
378 static int radeon_pmops_suspend(struct device *dev)
379 {
380 	struct pci_dev *pdev = to_pci_dev(dev);
381 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
382 	return radeon_suspend_kms(drm_dev, true, true, false);
383 }
384 
385 static int radeon_pmops_resume(struct device *dev)
386 {
387 	struct pci_dev *pdev = to_pci_dev(dev);
388 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
389 
390 	/* GPU comes up enabled by the bios on resume */
391 	if (radeon_is_px(drm_dev)) {
392 		pm_runtime_disable(dev);
393 		pm_runtime_set_active(dev);
394 		pm_runtime_enable(dev);
395 	}
396 
397 	return radeon_resume_kms(drm_dev, true, true);
398 }
399 
400 static int radeon_pmops_freeze(struct device *dev)
401 {
402 	struct pci_dev *pdev = to_pci_dev(dev);
403 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
404 	return radeon_suspend_kms(drm_dev, false, true, true);
405 }
406 
407 static int radeon_pmops_thaw(struct device *dev)
408 {
409 	struct pci_dev *pdev = to_pci_dev(dev);
410 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
411 	return radeon_resume_kms(drm_dev, false, true);
412 }
413 
414 static int radeon_pmops_runtime_suspend(struct device *dev)
415 {
416 	struct pci_dev *pdev = to_pci_dev(dev);
417 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
418 	int ret;
419 
420 	if (!radeon_is_px(drm_dev)) {
421 		pm_runtime_forbid(dev);
422 		return -EBUSY;
423 	}
424 
425 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
426 	drm_kms_helper_poll_disable(drm_dev);
427 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
428 
429 	ret = radeon_suspend_kms(drm_dev, false, false, false);
430 	pci_save_state(pdev);
431 	pci_disable_device(pdev);
432 	pci_ignore_hotplug(pdev);
433 	if (radeon_is_atpx_hybrid())
434 		pci_set_power_state(pdev, PCI_D3cold);
435 	else if (!radeon_has_atpx_dgpu_power_cntl())
436 		pci_set_power_state(pdev, PCI_D3hot);
437 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
438 
439 	return 0;
440 }
441 
442 static int radeon_pmops_runtime_resume(struct device *dev)
443 {
444 	struct pci_dev *pdev = to_pci_dev(dev);
445 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
446 	int ret;
447 
448 	if (!radeon_is_px(drm_dev))
449 		return -EINVAL;
450 
451 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
452 
453 	if (radeon_is_atpx_hybrid() ||
454 	    !radeon_has_atpx_dgpu_power_cntl())
455 		pci_set_power_state(pdev, PCI_D0);
456 	pci_restore_state(pdev);
457 	ret = pci_enable_device(pdev);
458 	if (ret)
459 		return ret;
460 	pci_set_master(pdev);
461 
462 	ret = radeon_resume_kms(drm_dev, false, false);
463 	drm_kms_helper_poll_enable(drm_dev);
464 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
465 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
466 	return 0;
467 }
468 
469 static int radeon_pmops_runtime_idle(struct device *dev)
470 {
471 	struct pci_dev *pdev = to_pci_dev(dev);
472 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
473 	struct drm_crtc *crtc;
474 
475 	if (!radeon_is_px(drm_dev)) {
476 		pm_runtime_forbid(dev);
477 		return -EBUSY;
478 	}
479 
480 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
481 		if (crtc->enabled) {
482 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
483 			return -EBUSY;
484 		}
485 	}
486 
487 	pm_runtime_mark_last_busy(dev);
488 	pm_runtime_autosuspend(dev);
489 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
490 	return 1;
491 }
492 
493 long radeon_drm_ioctl(struct file *filp,
494 		      unsigned int cmd, unsigned long arg)
495 {
496 	struct drm_file *file_priv = filp->private_data;
497 	struct drm_device *dev;
498 	long ret;
499 	dev = file_priv->minor->dev;
500 	ret = pm_runtime_get_sync(dev->dev);
501 	if (ret < 0)
502 		return ret;
503 
504 	ret = drm_ioctl(filp, cmd, arg);
505 
506 	pm_runtime_mark_last_busy(dev->dev);
507 	pm_runtime_put_autosuspend(dev->dev);
508 	return ret;
509 }
510 
511 #ifdef CONFIG_COMPAT
512 static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
513 {
514 	unsigned int nr = DRM_IOCTL_NR(cmd);
515 	int ret;
516 
517 	if (nr < DRM_COMMAND_BASE)
518 		return drm_compat_ioctl(filp, cmd, arg);
519 
520 	ret = radeon_drm_ioctl(filp, cmd, arg);
521 
522 	return ret;
523 }
524 #endif
525 
526 static const struct dev_pm_ops radeon_pm_ops = {
527 	.suspend = radeon_pmops_suspend,
528 	.resume = radeon_pmops_resume,
529 	.freeze = radeon_pmops_freeze,
530 	.thaw = radeon_pmops_thaw,
531 	.poweroff = radeon_pmops_freeze,
532 	.restore = radeon_pmops_resume,
533 	.runtime_suspend = radeon_pmops_runtime_suspend,
534 	.runtime_resume = radeon_pmops_runtime_resume,
535 	.runtime_idle = radeon_pmops_runtime_idle,
536 };
537 
538 static const struct file_operations radeon_driver_kms_fops = {
539 	.owner = THIS_MODULE,
540 	.open = drm_open,
541 	.release = drm_release,
542 	.unlocked_ioctl = radeon_drm_ioctl,
543 	.mmap = radeon_mmap,
544 	.poll = drm_poll,
545 	.read = drm_read,
546 #ifdef CONFIG_COMPAT
547 	.compat_ioctl = radeon_kms_compat_ioctl,
548 #endif
549 };
550 
551 static bool
552 radeon_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
553 				 bool in_vblank_irq, int *vpos, int *hpos,
554 				 ktime_t *stime, ktime_t *etime,
555 				 const struct drm_display_mode *mode)
556 {
557 	return radeon_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
558 					  stime, etime, mode);
559 }
560 
561 static struct drm_driver kms_driver = {
562 	.driver_features =
563 	    DRIVER_USE_AGP |
564 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
565 	    DRIVER_PRIME | DRIVER_RENDER,
566 	.load = radeon_driver_load_kms,
567 	.open = radeon_driver_open_kms,
568 	.postclose = radeon_driver_postclose_kms,
569 	.lastclose = radeon_driver_lastclose_kms,
570 	.set_busid = drm_pci_set_busid,
571 	.unload = radeon_driver_unload_kms,
572 	.get_vblank_counter = radeon_get_vblank_counter_kms,
573 	.enable_vblank = radeon_enable_vblank_kms,
574 	.disable_vblank = radeon_disable_vblank_kms,
575 	.get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
576 	.get_scanout_position = radeon_get_crtc_scanout_position,
577 	.irq_preinstall = radeon_driver_irq_preinstall_kms,
578 	.irq_postinstall = radeon_driver_irq_postinstall_kms,
579 	.irq_uninstall = radeon_driver_irq_uninstall_kms,
580 	.irq_handler = radeon_driver_irq_handler_kms,
581 	.ioctls = radeon_ioctls_kms,
582 	.gem_free_object_unlocked = radeon_gem_object_free,
583 	.gem_open_object = radeon_gem_object_open,
584 	.gem_close_object = radeon_gem_object_close,
585 	.dumb_create = radeon_mode_dumb_create,
586 	.dumb_map_offset = radeon_mode_dumb_mmap,
587 	.dumb_destroy = drm_gem_dumb_destroy,
588 	.fops = &radeon_driver_kms_fops,
589 
590 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
591 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
592 	.gem_prime_export = radeon_gem_prime_export,
593 	.gem_prime_import = drm_gem_prime_import,
594 	.gem_prime_pin = radeon_gem_prime_pin,
595 	.gem_prime_unpin = radeon_gem_prime_unpin,
596 	.gem_prime_res_obj = radeon_gem_prime_res_obj,
597 	.gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
598 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
599 	.gem_prime_vmap = radeon_gem_prime_vmap,
600 	.gem_prime_vunmap = radeon_gem_prime_vunmap,
601 
602 	.name = DRIVER_NAME,
603 	.desc = DRIVER_DESC,
604 	.date = DRIVER_DATE,
605 	.major = KMS_DRIVER_MAJOR,
606 	.minor = KMS_DRIVER_MINOR,
607 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
608 };
609 
610 static struct drm_driver *driver;
611 static struct pci_driver *pdriver;
612 
613 static struct pci_driver radeon_kms_pci_driver = {
614 	.name = DRIVER_NAME,
615 	.id_table = pciidlist,
616 	.probe = radeon_pci_probe,
617 	.remove = radeon_pci_remove,
618 	.shutdown = radeon_pci_shutdown,
619 	.driver.pm = &radeon_pm_ops,
620 };
621 
622 static int __init radeon_init(void)
623 {
624 	if (vgacon_text_force() && radeon_modeset == -1) {
625 		DRM_INFO("VGACON disable radeon kernel modesetting.\n");
626 		radeon_modeset = 0;
627 	}
628 	/* set to modesetting by default if not nomodeset */
629 	if (radeon_modeset == -1)
630 		radeon_modeset = 1;
631 
632 	if (radeon_modeset == 1) {
633 		DRM_INFO("radeon kernel modesetting enabled.\n");
634 		driver = &kms_driver;
635 		pdriver = &radeon_kms_pci_driver;
636 		driver->driver_features |= DRIVER_MODESET;
637 		driver->num_ioctls = radeon_max_kms_ioctl;
638 		radeon_register_atpx_handler();
639 
640 	} else {
641 		DRM_ERROR("No UMS support in radeon module!\n");
642 		return -EINVAL;
643 	}
644 
645 	/* let modprobe override vga console setting */
646 	return drm_pci_init(driver, pdriver);
647 }
648 
649 static void __exit radeon_exit(void)
650 {
651 	radeon_kfd_fini();
652 	drm_pci_exit(driver, pdriver);
653 	radeon_unregister_atpx_handler();
654 }
655 
656 module_init(radeon_init);
657 module_exit(radeon_exit);
658 
659 MODULE_AUTHOR(DRIVER_AUTHOR);
660 MODULE_DESCRIPTION(DRIVER_DESC);
661 MODULE_LICENSE("GPL and additional rights");
662