5 * \author Gareth Hughes <gareth@valinux.com>
9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10 * All Rights Reserved.
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:
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
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.
33 #include <drm/radeon_drm.h>
34 #include "radeon_drv.h"
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 <drm/drm_gem.h>
43 #include "drm_crtc_helper.h"
44 #include "radeon_kfd.h"
48 * - 2.0.0 - initial interface
49 * - 2.1.0 - add square tiling interface
50 * - 2.2.0 - add r6xx/r7xx const buffer support
51 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
52 * - 2.4.0 - add crtc id query
53 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
54 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
55 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
56 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
57 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
58 * 2.10.0 - fusion 2D tiling
59 * 2.11.0 - backend map, initial compute support for the CS checker
60 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
61 * 2.13.0 - virtual memory support, streamout
62 * 2.14.0 - add evergreen tiling informations
63 * 2.15.0 - add max_pipes query
64 * 2.16.0 - fix evergreen 2D tiled surface calculation
65 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
66 * 2.18.0 - r600-eg: allow "invalid" DB formats
67 * 2.19.0 - r600-eg: MSAA textures
68 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
69 * 2.21.0 - r600-r700: FMASK and CMASK
70 * 2.22.0 - r600 only: RESOLVE_BOX allowed
71 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
72 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
73 * 2.25.0 - eg+: new info request for num SE and num SH
74 * 2.26.0 - r600-eg: fix htile size computation
75 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA
76 * 2.28.0 - r600-eg: Add MEM_WRITE packet support
77 * 2.29.0 - R500 FP16 color clear registers
78 * 2.30.0 - fix for FMASK texturing
79 * 2.31.0 - Add fastfb support for rs690
80 * 2.32.0 - new info request for rings working
81 * 2.33.0 - Add SI tiling mode array query
82 * 2.34.0 - Add CIK tiling mode array query
83 * 2.35.0 - Add CIK macrotile mode array query
84 * 2.36.0 - Fix CIK DCE tiling setup
85 * 2.37.0 - allow GS ring setup on r6xx/r7xx
86 * 2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
87 * CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
88 * 2.39.0 - Add INFO query for number of active CUs
89 * 2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
90 * CS to GPU on >= r600
91 * 2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
92 * 2.42.0 - Add VCE/VUI (Video Usability Information) support
93 * 2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
95 #define KMS_DRIVER_MAJOR 2
96 #define KMS_DRIVER_MINOR 43
97 #define KMS_DRIVER_PATCHLEVEL 0
98 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
99 int radeon_driver_unload_kms(struct drm_device *dev);
100 void radeon_driver_lastclose_kms(struct drm_device *dev);
101 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
102 void radeon_driver_postclose_kms(struct drm_device *dev,
103 struct drm_file *file_priv);
104 void radeon_driver_preclose_kms(struct drm_device *dev,
105 struct drm_file *file_priv);
106 int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
107 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
108 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
109 int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
110 void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
111 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
113 struct timeval *vblank_time,
115 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
116 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
117 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
118 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
119 void radeon_gem_object_free(struct drm_gem_object *obj);
120 int radeon_gem_object_open(struct drm_gem_object *obj,
121 struct drm_file *file_priv);
122 void radeon_gem_object_close(struct drm_gem_object *obj,
123 struct drm_file *file_priv);
124 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
125 struct drm_gem_object *gobj,
127 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
128 unsigned int flags, int *vpos, int *hpos,
129 ktime_t *stime, ktime_t *etime,
130 const struct drm_display_mode *mode);
131 extern bool radeon_is_px(struct drm_device *dev);
132 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
133 extern int radeon_max_kms_ioctl;
134 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
135 int radeon_mode_dumb_mmap(struct drm_file *filp,
136 struct drm_device *dev,
137 uint32_t handle, uint64_t *offset_p);
138 int radeon_mode_dumb_create(struct drm_file *file_priv,
139 struct drm_device *dev,
140 struct drm_mode_create_dumb *args);
141 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
142 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
143 struct dma_buf_attachment *,
144 struct sg_table *sg);
145 int radeon_gem_prime_pin(struct drm_gem_object *obj);
146 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
147 struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *);
148 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
149 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
150 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
153 #if defined(CONFIG_DEBUG_FS)
154 int radeon_debugfs_init(struct drm_minor *minor);
155 void radeon_debugfs_cleanup(struct drm_minor *minor);
159 #if defined(CONFIG_VGA_SWITCHEROO)
160 void radeon_register_atpx_handler(void);
161 void radeon_unregister_atpx_handler(void);
163 static inline void radeon_register_atpx_handler(void) {}
164 static inline void radeon_unregister_atpx_handler(void) {}
168 int radeon_modeset = -1;
169 int radeon_dynclks = -1;
170 int radeon_r4xx_atom = 0;
171 int radeon_agpmode = 0;
172 int radeon_vram_limit = 0;
173 int radeon_gart_size = -1; /* auto */
174 int radeon_benchmarking = 0;
175 int radeon_testing = 0;
176 int radeon_connector_table = 0;
178 int radeon_audio = -1;
179 int radeon_disp_priority = 0;
180 int radeon_hw_i2c = 0;
181 int radeon_pcie_gen2 = -1;
183 int radeon_lockup_timeout = 10000;
184 int radeon_fastfb = 0;
186 int radeon_aspm = -1;
187 int radeon_runtime_pm = -1;
188 int radeon_hard_reset = 0;
189 int radeon_vm_size = 8;
190 int radeon_vm_block_size = -1;
191 int radeon_deep_color = 0;
192 int radeon_use_pflipirq = 2;
193 int radeon_bapm = -1;
194 int radeon_backlight = -1;
195 int radeon_auxch = -1;
198 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
199 module_param_named(no_wb, radeon_no_wb, int, 0444);
201 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
202 module_param_named(modeset, radeon_modeset, int, 0400);
204 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
205 module_param_named(dynclks, radeon_dynclks, int, 0444);
207 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
208 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
210 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
211 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
213 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
214 module_param_named(agpmode, radeon_agpmode, int, 0444);
216 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
217 module_param_named(gartsize, radeon_gart_size, int, 0600);
219 MODULE_PARM_DESC(benchmark, "Run benchmark");
220 module_param_named(benchmark, radeon_benchmarking, int, 0444);
222 MODULE_PARM_DESC(test, "Run tests");
223 module_param_named(test, radeon_testing, int, 0444);
225 MODULE_PARM_DESC(connector_table, "Force connector table");
226 module_param_named(connector_table, radeon_connector_table, int, 0444);
228 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
229 module_param_named(tv, radeon_tv, int, 0444);
231 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
232 module_param_named(audio, radeon_audio, int, 0444);
234 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
235 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
237 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
238 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
240 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
241 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
243 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
244 module_param_named(msi, radeon_msi, int, 0444);
246 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
247 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
249 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
250 module_param_named(fastfb, radeon_fastfb, int, 0444);
252 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
253 module_param_named(dpm, radeon_dpm, int, 0444);
255 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
256 module_param_named(aspm, radeon_aspm, int, 0444);
258 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
259 module_param_named(runpm, radeon_runtime_pm, int, 0444);
261 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
262 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
264 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
265 module_param_named(vm_size, radeon_vm_size, int, 0444);
267 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
268 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
270 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
271 module_param_named(deep_color, radeon_deep_color, int, 0444);
273 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
274 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
276 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
277 module_param_named(bapm, radeon_bapm, int, 0444);
279 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
280 module_param_named(backlight, radeon_backlight, int, 0444);
282 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
283 module_param_named(auxch, radeon_auxch, int, 0444);
285 MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
286 module_param_named(mst, radeon_mst, int, 0444);
288 static struct pci_device_id pciidlist[] = {
292 MODULE_DEVICE_TABLE(pci, pciidlist);
294 static struct drm_driver kms_driver;
296 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
298 struct apertures_struct *ap;
299 bool primary = false;
301 ap = alloc_apertures(1);
305 ap->ranges[0].base = pci_resource_start(pdev, 0);
306 ap->ranges[0].size = pci_resource_len(pdev, 0);
309 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
311 remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
317 static int radeon_pci_probe(struct pci_dev *pdev,
318 const struct pci_device_id *ent)
322 /* Get rid of things like offb */
323 ret = radeon_kick_out_firmware_fb(pdev);
327 return drm_get_pci_dev(pdev, ent, &kms_driver);
331 radeon_pci_remove(struct pci_dev *pdev)
333 struct drm_device *dev = pci_get_drvdata(pdev);
338 static int radeon_pmops_suspend(struct device *dev)
340 struct pci_dev *pdev = to_pci_dev(dev);
341 struct drm_device *drm_dev = pci_get_drvdata(pdev);
342 return radeon_suspend_kms(drm_dev, true, true);
345 static int radeon_pmops_resume(struct device *dev)
347 struct pci_dev *pdev = to_pci_dev(dev);
348 struct drm_device *drm_dev = pci_get_drvdata(pdev);
349 return radeon_resume_kms(drm_dev, true, true);
352 static int radeon_pmops_freeze(struct device *dev)
354 struct pci_dev *pdev = to_pci_dev(dev);
355 struct drm_device *drm_dev = pci_get_drvdata(pdev);
356 return radeon_suspend_kms(drm_dev, false, true);
359 static int radeon_pmops_thaw(struct device *dev)
361 struct pci_dev *pdev = to_pci_dev(dev);
362 struct drm_device *drm_dev = pci_get_drvdata(pdev);
363 return radeon_resume_kms(drm_dev, false, true);
366 static int radeon_pmops_runtime_suspend(struct device *dev)
368 struct pci_dev *pdev = to_pci_dev(dev);
369 struct drm_device *drm_dev = pci_get_drvdata(pdev);
372 if (!radeon_is_px(drm_dev)) {
373 pm_runtime_forbid(dev);
377 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
378 drm_kms_helper_poll_disable(drm_dev);
379 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
381 ret = radeon_suspend_kms(drm_dev, false, false);
382 pci_save_state(pdev);
383 pci_disable_device(pdev);
384 pci_ignore_hotplug(pdev);
385 pci_set_power_state(pdev, PCI_D3cold);
386 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
391 static int radeon_pmops_runtime_resume(struct device *dev)
393 struct pci_dev *pdev = to_pci_dev(dev);
394 struct drm_device *drm_dev = pci_get_drvdata(pdev);
397 if (!radeon_is_px(drm_dev))
400 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
402 pci_set_power_state(pdev, PCI_D0);
403 pci_restore_state(pdev);
404 ret = pci_enable_device(pdev);
407 pci_set_master(pdev);
409 ret = radeon_resume_kms(drm_dev, false, false);
410 drm_kms_helper_poll_enable(drm_dev);
411 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
412 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
416 static int radeon_pmops_runtime_idle(struct device *dev)
418 struct pci_dev *pdev = to_pci_dev(dev);
419 struct drm_device *drm_dev = pci_get_drvdata(pdev);
420 struct drm_crtc *crtc;
422 if (!radeon_is_px(drm_dev)) {
423 pm_runtime_forbid(dev);
427 list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
429 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
434 pm_runtime_mark_last_busy(dev);
435 pm_runtime_autosuspend(dev);
436 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
440 long radeon_drm_ioctl(struct file *filp,
441 unsigned int cmd, unsigned long arg)
443 struct drm_file *file_priv = filp->private_data;
444 struct drm_device *dev;
446 dev = file_priv->minor->dev;
447 ret = pm_runtime_get_sync(dev->dev);
451 ret = drm_ioctl(filp, cmd, arg);
453 pm_runtime_mark_last_busy(dev->dev);
454 pm_runtime_put_autosuspend(dev->dev);
458 static const struct dev_pm_ops radeon_pm_ops = {
459 .suspend = radeon_pmops_suspend,
460 .resume = radeon_pmops_resume,
461 .freeze = radeon_pmops_freeze,
462 .thaw = radeon_pmops_thaw,
463 .poweroff = radeon_pmops_freeze,
464 .restore = radeon_pmops_resume,
465 .runtime_suspend = radeon_pmops_runtime_suspend,
466 .runtime_resume = radeon_pmops_runtime_resume,
467 .runtime_idle = radeon_pmops_runtime_idle,
470 static const struct file_operations radeon_driver_kms_fops = {
471 .owner = THIS_MODULE,
473 .release = drm_release,
474 .unlocked_ioctl = radeon_drm_ioctl,
479 .compat_ioctl = radeon_kms_compat_ioctl,
483 static struct drm_driver kms_driver = {
486 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
487 DRIVER_PRIME | DRIVER_RENDER,
488 .load = radeon_driver_load_kms,
489 .open = radeon_driver_open_kms,
490 .preclose = radeon_driver_preclose_kms,
491 .postclose = radeon_driver_postclose_kms,
492 .lastclose = radeon_driver_lastclose_kms,
493 .set_busid = drm_pci_set_busid,
494 .unload = radeon_driver_unload_kms,
495 .get_vblank_counter = radeon_get_vblank_counter_kms,
496 .enable_vblank = radeon_enable_vblank_kms,
497 .disable_vblank = radeon_disable_vblank_kms,
498 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
499 .get_scanout_position = radeon_get_crtc_scanoutpos,
500 #if defined(CONFIG_DEBUG_FS)
501 .debugfs_init = radeon_debugfs_init,
502 .debugfs_cleanup = radeon_debugfs_cleanup,
504 .irq_preinstall = radeon_driver_irq_preinstall_kms,
505 .irq_postinstall = radeon_driver_irq_postinstall_kms,
506 .irq_uninstall = radeon_driver_irq_uninstall_kms,
507 .irq_handler = radeon_driver_irq_handler_kms,
508 .ioctls = radeon_ioctls_kms,
509 .gem_free_object = radeon_gem_object_free,
510 .gem_open_object = radeon_gem_object_open,
511 .gem_close_object = radeon_gem_object_close,
512 .dumb_create = radeon_mode_dumb_create,
513 .dumb_map_offset = radeon_mode_dumb_mmap,
514 .dumb_destroy = drm_gem_dumb_destroy,
515 .fops = &radeon_driver_kms_fops,
517 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
518 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
519 .gem_prime_export = radeon_gem_prime_export,
520 .gem_prime_import = drm_gem_prime_import,
521 .gem_prime_pin = radeon_gem_prime_pin,
522 .gem_prime_unpin = radeon_gem_prime_unpin,
523 .gem_prime_res_obj = radeon_gem_prime_res_obj,
524 .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
525 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
526 .gem_prime_vmap = radeon_gem_prime_vmap,
527 .gem_prime_vunmap = radeon_gem_prime_vunmap,
532 .major = KMS_DRIVER_MAJOR,
533 .minor = KMS_DRIVER_MINOR,
534 .patchlevel = KMS_DRIVER_PATCHLEVEL,
537 static struct drm_driver *driver;
538 static struct pci_driver *pdriver;
540 static struct pci_driver radeon_kms_pci_driver = {
542 .id_table = pciidlist,
543 .probe = radeon_pci_probe,
544 .remove = radeon_pci_remove,
545 .driver.pm = &radeon_pm_ops,
548 static int __init radeon_init(void)
550 #ifdef CONFIG_VGA_CONSOLE
551 if (vgacon_text_force() && radeon_modeset == -1) {
552 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
556 /* set to modesetting by default if not nomodeset */
557 if (radeon_modeset == -1)
560 if (radeon_modeset == 1) {
561 DRM_INFO("radeon kernel modesetting enabled.\n");
562 driver = &kms_driver;
563 pdriver = &radeon_kms_pci_driver;
564 driver->driver_features |= DRIVER_MODESET;
565 driver->num_ioctls = radeon_max_kms_ioctl;
566 radeon_register_atpx_handler();
569 DRM_ERROR("No UMS support in radeon module!\n");
575 /* let modprobe override vga console setting */
576 return drm_pci_init(driver, pdriver);
579 static void __exit radeon_exit(void)
582 drm_pci_exit(driver, pdriver);
583 radeon_unregister_atpx_handler();
586 module_init(radeon_init);
587 module_exit(radeon_exit);
589 MODULE_AUTHOR(DRIVER_AUTHOR);
590 MODULE_DESCRIPTION(DRIVER_DESC);
591 MODULE_LICENSE("GPL and additional rights");