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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 "drmP.h"
33#include "drm.h"
34#include "radeon_drm.h"
35#include "radeon_drv.h"
36
37#include "drm_pciids.h"
38#include <linux/console.h>
39
40
41/*
42 * KMS wrapper.
43 * - 2.0.0 - initial interface
44 * - 2.1.0 - add square tiling interface
45 * - 2.2.0 - add r6xx/r7xx const buffer support
46 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
47 * - 2.4.0 - add crtc id query
48 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
49 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
50 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
51 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
52 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
53 * 2.10.0 - fusion 2D tiling
54 * 2.11.0 - backend map, initial compute support for the CS checker
55 */
56#define KMS_DRIVER_MAJOR 2
57#define KMS_DRIVER_MINOR 11
58#define KMS_DRIVER_PATCHLEVEL 0
59int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
60int radeon_driver_unload_kms(struct drm_device *dev);
61int radeon_driver_firstopen_kms(struct drm_device *dev);
62void radeon_driver_lastclose_kms(struct drm_device *dev);
63int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
64void radeon_driver_postclose_kms(struct drm_device *dev,
65 struct drm_file *file_priv);
66void radeon_driver_preclose_kms(struct drm_device *dev,
67 struct drm_file *file_priv);
68int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
69int radeon_resume_kms(struct drm_device *dev);
70u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
71int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
72void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
73int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
74 int *max_error,
75 struct timeval *vblank_time,
76 unsigned flags);
77void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
78int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
79void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
80irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
81int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
82 struct drm_file *file_priv);
83int radeon_gem_object_init(struct drm_gem_object *obj);
84void radeon_gem_object_free(struct drm_gem_object *obj);
85extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
86 int *vpos, int *hpos);
87extern struct drm_ioctl_desc radeon_ioctls_kms[];
88extern int radeon_max_kms_ioctl;
89int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
90int radeon_mode_dumb_mmap(struct drm_file *filp,
91 struct drm_device *dev,
92 uint32_t handle, uint64_t *offset_p);
93int radeon_mode_dumb_create(struct drm_file *file_priv,
94 struct drm_device *dev,
95 struct drm_mode_create_dumb *args);
96int radeon_mode_dumb_destroy(struct drm_file *file_priv,
97 struct drm_device *dev,
98 uint32_t handle);
99
100#if defined(CONFIG_DEBUG_FS)
101int radeon_debugfs_init(struct drm_minor *minor);
102void radeon_debugfs_cleanup(struct drm_minor *minor);
103#endif
104
105
106int radeon_no_wb;
107int radeon_modeset = -1;
108int radeon_dynclks = -1;
109int radeon_r4xx_atom = 0;
110int radeon_agpmode = 0;
111int radeon_vram_limit = 0;
112int radeon_gart_size = 512; /* default gart size */
113int radeon_benchmarking = 0;
114int radeon_testing = 0;
115int radeon_connector_table = 0;
116int radeon_tv = 1;
117int radeon_audio = 0;
118int radeon_disp_priority = 0;
119int radeon_hw_i2c = 0;
120int radeon_pcie_gen2 = 0;
121
122MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
123module_param_named(no_wb, radeon_no_wb, int, 0444);
124
125MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
126module_param_named(modeset, radeon_modeset, int, 0400);
127
128MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
129module_param_named(dynclks, radeon_dynclks, int, 0444);
130
131MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
132module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
133
134MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
135module_param_named(vramlimit, radeon_vram_limit, int, 0600);
136
137MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
138module_param_named(agpmode, radeon_agpmode, int, 0444);
139
140MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
141module_param_named(gartsize, radeon_gart_size, int, 0600);
142
143MODULE_PARM_DESC(benchmark, "Run benchmark");
144module_param_named(benchmark, radeon_benchmarking, int, 0444);
145
146MODULE_PARM_DESC(test, "Run tests");
147module_param_named(test, radeon_testing, int, 0444);
148
149MODULE_PARM_DESC(connector_table, "Force connector table");
150module_param_named(connector_table, radeon_connector_table, int, 0444);
151
152MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
153module_param_named(tv, radeon_tv, int, 0444);
154
155MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
156module_param_named(audio, radeon_audio, int, 0444);
157
158MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
159module_param_named(disp_priority, radeon_disp_priority, int, 0444);
160
161MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
162module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
163
164MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)");
165module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
166
167static int radeon_suspend(struct drm_device *dev, pm_message_t state)
168{
169 drm_radeon_private_t *dev_priv = dev->dev_private;
170
171 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
172 return 0;
173
174 /* Disable *all* interrupts */
175 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
176 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
177 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
178 return 0;
179}
180
181static int radeon_resume(struct drm_device *dev)
182{
183 drm_radeon_private_t *dev_priv = dev->dev_private;
184
185 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
186 return 0;
187
188 /* Restore interrupt registers */
189 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
190 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
191 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
192 return 0;
193}
194
195static struct pci_device_id pciidlist[] = {
196 radeon_PCI_IDS
197};
198
199#if defined(CONFIG_DRM_RADEON_KMS)
200MODULE_DEVICE_TABLE(pci, pciidlist);
201#endif
202
203static struct drm_driver driver_old = {
204 .driver_features =
205 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
206 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
207 .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
208 .load = radeon_driver_load,
209 .firstopen = radeon_driver_firstopen,
210 .open = radeon_driver_open,
211 .preclose = radeon_driver_preclose,
212 .postclose = radeon_driver_postclose,
213 .lastclose = radeon_driver_lastclose,
214 .unload = radeon_driver_unload,
215 .suspend = radeon_suspend,
216 .resume = radeon_resume,
217 .get_vblank_counter = radeon_get_vblank_counter,
218 .enable_vblank = radeon_enable_vblank,
219 .disable_vblank = radeon_disable_vblank,
220 .master_create = radeon_master_create,
221 .master_destroy = radeon_master_destroy,
222 .irq_preinstall = radeon_driver_irq_preinstall,
223 .irq_postinstall = radeon_driver_irq_postinstall,
224 .irq_uninstall = radeon_driver_irq_uninstall,
225 .irq_handler = radeon_driver_irq_handler,
226 .reclaim_buffers = drm_core_reclaim_buffers,
227 .ioctls = radeon_ioctls,
228 .dma_ioctl = radeon_cp_buffers,
229 .fops = {
230 .owner = THIS_MODULE,
231 .open = drm_open,
232 .release = drm_release,
233 .unlocked_ioctl = drm_ioctl,
234 .mmap = drm_mmap,
235 .poll = drm_poll,
236 .fasync = drm_fasync,
237 .read = drm_read,
238#ifdef CONFIG_COMPAT
239 .compat_ioctl = radeon_compat_ioctl,
240#endif
241 .llseek = noop_llseek,
242 },
243
244 .name = DRIVER_NAME,
245 .desc = DRIVER_DESC,
246 .date = DRIVER_DATE,
247 .major = DRIVER_MAJOR,
248 .minor = DRIVER_MINOR,
249 .patchlevel = DRIVER_PATCHLEVEL,
250};
251
252static struct drm_driver kms_driver;
253
254static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
255{
256 struct apertures_struct *ap;
257 bool primary = false;
258
259 ap = alloc_apertures(1);
260 ap->ranges[0].base = pci_resource_start(pdev, 0);
261 ap->ranges[0].size = pci_resource_len(pdev, 0);
262
263#ifdef CONFIG_X86
264 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
265#endif
266 remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
267 kfree(ap);
268}
269
270static int __devinit
271radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
272{
273 /* Get rid of things like offb */
274 radeon_kick_out_firmware_fb(pdev);
275
276 return drm_get_pci_dev(pdev, ent, &kms_driver);
277}
278
279static void
280radeon_pci_remove(struct pci_dev *pdev)
281{
282 struct drm_device *dev = pci_get_drvdata(pdev);
283
284 drm_put_dev(dev);
285}
286
287static int
288radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
289{
290 struct drm_device *dev = pci_get_drvdata(pdev);
291 return radeon_suspend_kms(dev, state);
292}
293
294static int
295radeon_pci_resume(struct pci_dev *pdev)
296{
297 struct drm_device *dev = pci_get_drvdata(pdev);
298 return radeon_resume_kms(dev);
299}
300
301static struct drm_driver kms_driver = {
302 .driver_features =
303 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
304 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
305 .dev_priv_size = 0,
306 .load = radeon_driver_load_kms,
307 .firstopen = radeon_driver_firstopen_kms,
308 .open = radeon_driver_open_kms,
309 .preclose = radeon_driver_preclose_kms,
310 .postclose = radeon_driver_postclose_kms,
311 .lastclose = radeon_driver_lastclose_kms,
312 .unload = radeon_driver_unload_kms,
313 .suspend = radeon_suspend_kms,
314 .resume = radeon_resume_kms,
315 .get_vblank_counter = radeon_get_vblank_counter_kms,
316 .enable_vblank = radeon_enable_vblank_kms,
317 .disable_vblank = radeon_disable_vblank_kms,
318 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
319 .get_scanout_position = radeon_get_crtc_scanoutpos,
320#if defined(CONFIG_DEBUG_FS)
321 .debugfs_init = radeon_debugfs_init,
322 .debugfs_cleanup = radeon_debugfs_cleanup,
323#endif
324 .irq_preinstall = radeon_driver_irq_preinstall_kms,
325 .irq_postinstall = radeon_driver_irq_postinstall_kms,
326 .irq_uninstall = radeon_driver_irq_uninstall_kms,
327 .irq_handler = radeon_driver_irq_handler_kms,
328 .reclaim_buffers = drm_core_reclaim_buffers,
329 .ioctls = radeon_ioctls_kms,
330 .gem_init_object = radeon_gem_object_init,
331 .gem_free_object = radeon_gem_object_free,
332 .dma_ioctl = radeon_dma_ioctl_kms,
333 .dumb_create = radeon_mode_dumb_create,
334 .dumb_map_offset = radeon_mode_dumb_mmap,
335 .dumb_destroy = radeon_mode_dumb_destroy,
336 .fops = {
337 .owner = THIS_MODULE,
338 .open = drm_open,
339 .release = drm_release,
340 .unlocked_ioctl = drm_ioctl,
341 .mmap = radeon_mmap,
342 .poll = drm_poll,
343 .fasync = drm_fasync,
344 .read = drm_read,
345#ifdef CONFIG_COMPAT
346 .compat_ioctl = radeon_kms_compat_ioctl,
347#endif
348 },
349
350 .name = DRIVER_NAME,
351 .desc = DRIVER_DESC,
352 .date = DRIVER_DATE,
353 .major = KMS_DRIVER_MAJOR,
354 .minor = KMS_DRIVER_MINOR,
355 .patchlevel = KMS_DRIVER_PATCHLEVEL,
356};
357
358static struct drm_driver *driver;
359static struct pci_driver *pdriver;
360
361static struct pci_driver radeon_pci_driver = {
362 .name = DRIVER_NAME,
363 .id_table = pciidlist,
364};
365
366static struct pci_driver radeon_kms_pci_driver = {
367 .name = DRIVER_NAME,
368 .id_table = pciidlist,
369 .probe = radeon_pci_probe,
370 .remove = radeon_pci_remove,
371 .suspend = radeon_pci_suspend,
372 .resume = radeon_pci_resume,
373};
374
375static int __init radeon_init(void)
376{
377 driver = &driver_old;
378 pdriver = &radeon_pci_driver;
379 driver->num_ioctls = radeon_max_ioctl;
380#ifdef CONFIG_VGA_CONSOLE
381 if (vgacon_text_force() && radeon_modeset == -1) {
382 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
383 driver = &driver_old;
384 pdriver = &radeon_pci_driver;
385 driver->driver_features &= ~DRIVER_MODESET;
386 radeon_modeset = 0;
387 }
388#endif
389 /* if enabled by default */
390 if (radeon_modeset == -1) {
391#ifdef CONFIG_DRM_RADEON_KMS
392 DRM_INFO("radeon defaulting to kernel modesetting.\n");
393 radeon_modeset = 1;
394#else
395 DRM_INFO("radeon defaulting to userspace modesetting.\n");
396 radeon_modeset = 0;
397#endif
398 }
399 if (radeon_modeset == 1) {
400 DRM_INFO("radeon kernel modesetting enabled.\n");
401 driver = &kms_driver;
402 pdriver = &radeon_kms_pci_driver;
403 driver->driver_features |= DRIVER_MODESET;
404 driver->num_ioctls = radeon_max_kms_ioctl;
405 radeon_register_atpx_handler();
406 }
407 /* if the vga console setting is enabled still
408 * let modprobe override it */
409 return drm_pci_init(driver, pdriver);
410}
411
412static void __exit radeon_exit(void)
413{
414 drm_pci_exit(driver, pdriver);
415 radeon_unregister_atpx_handler();
416}
417
418module_init(radeon_init);
419module_exit(radeon_exit);
420
421MODULE_AUTHOR(DRIVER_AUTHOR);
422MODULE_DESCRIPTION(DRIVER_DESC);
423MODULE_LICENSE("GPL and additional rights");
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
33#include <linux/compat.h>
34#include <linux/module.h>
35#include <linux/pm_runtime.h>
36#include <linux/vga_switcheroo.h>
37#include <linux/mmu_notifier.h>
38#include <linux/pci.h>
39
40#include <drm/drm_aperture.h>
41#include <drm/drm_drv.h>
42#include <drm/drm_file.h>
43#include <drm/drm_gem.h>
44#include <drm/drm_ioctl.h>
45#include <drm/drm_pciids.h>
46#include <drm/drm_probe_helper.h>
47#include <drm/drm_vblank.h>
48#include <drm/radeon_drm.h>
49
50#include "radeon_drv.h"
51#include "radeon.h"
52#include "radeon_kms.h"
53#include "radeon_ttm.h"
54#include "radeon_device.h"
55#include "radeon_prime.h"
56
57/*
58 * KMS wrapper.
59 * - 2.0.0 - initial interface
60 * - 2.1.0 - add square tiling interface
61 * - 2.2.0 - add r6xx/r7xx const buffer support
62 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
63 * - 2.4.0 - add crtc id query
64 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
65 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
66 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
67 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
68 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
69 * 2.10.0 - fusion 2D tiling
70 * 2.11.0 - backend map, initial compute support for the CS checker
71 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
72 * 2.13.0 - virtual memory support, streamout
73 * 2.14.0 - add evergreen tiling informations
74 * 2.15.0 - add max_pipes query
75 * 2.16.0 - fix evergreen 2D tiled surface calculation
76 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
77 * 2.18.0 - r600-eg: allow "invalid" DB formats
78 * 2.19.0 - r600-eg: MSAA textures
79 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
80 * 2.21.0 - r600-r700: FMASK and CMASK
81 * 2.22.0 - r600 only: RESOLVE_BOX allowed
82 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
83 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
84 * 2.25.0 - eg+: new info request for num SE and num SH
85 * 2.26.0 - r600-eg: fix htile size computation
86 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA
87 * 2.28.0 - r600-eg: Add MEM_WRITE packet support
88 * 2.29.0 - R500 FP16 color clear registers
89 * 2.30.0 - fix for FMASK texturing
90 * 2.31.0 - Add fastfb support for rs690
91 * 2.32.0 - new info request for rings working
92 * 2.33.0 - Add SI tiling mode array query
93 * 2.34.0 - Add CIK tiling mode array query
94 * 2.35.0 - Add CIK macrotile mode array query
95 * 2.36.0 - Fix CIK DCE tiling setup
96 * 2.37.0 - allow GS ring setup on r6xx/r7xx
97 * 2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
98 * CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
99 * 2.39.0 - Add INFO query for number of active CUs
100 * 2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
101 * CS to GPU on >= r600
102 * 2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
103 * 2.42.0 - Add VCE/VUI (Video Usability Information) support
104 * 2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
105 * 2.44.0 - SET_APPEND_CNT packet3 support
106 * 2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
107 * 2.46.0 - Add PFP_SYNC_ME support on evergreen
108 * 2.47.0 - Add UVD_NO_OP register support
109 * 2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
110 * 2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
111 * 2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
112 */
113#define KMS_DRIVER_MAJOR 2
114#define KMS_DRIVER_MINOR 50
115#define KMS_DRIVER_PATCHLEVEL 0
116
117int radeon_no_wb;
118int radeon_modeset = -1;
119int radeon_dynclks = -1;
120int radeon_r4xx_atom;
121int radeon_agpmode = -1;
122int radeon_vram_limit;
123int radeon_gart_size = -1; /* auto */
124int radeon_benchmarking;
125int radeon_testing;
126int radeon_connector_table;
127int radeon_tv = 1;
128int radeon_audio = -1;
129int radeon_disp_priority;
130int radeon_hw_i2c;
131int radeon_pcie_gen2 = -1;
132int radeon_msi = -1;
133int radeon_lockup_timeout = 10000;
134int radeon_fastfb;
135int radeon_dpm = -1;
136int radeon_aspm = -1;
137int radeon_runtime_pm = -1;
138int radeon_hard_reset;
139int radeon_vm_size = 8;
140int radeon_vm_block_size = -1;
141int radeon_deep_color;
142int radeon_use_pflipirq = 2;
143int radeon_bapm = -1;
144int radeon_backlight = -1;
145int radeon_auxch = -1;
146int radeon_uvd = 1;
147int radeon_vce = 1;
148
149MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
150module_param_named(no_wb, radeon_no_wb, int, 0444);
151
152MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
153module_param_named(modeset, radeon_modeset, int, 0400);
154
155MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
156module_param_named(dynclks, radeon_dynclks, int, 0444);
157
158MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
159module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
160
161MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
162module_param_named(vramlimit, radeon_vram_limit, int, 0600);
163
164MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
165module_param_named(agpmode, radeon_agpmode, int, 0444);
166
167MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
168module_param_named(gartsize, radeon_gart_size, int, 0600);
169
170MODULE_PARM_DESC(benchmark, "Run benchmark");
171module_param_named(benchmark, radeon_benchmarking, int, 0444);
172
173MODULE_PARM_DESC(test, "Run tests");
174module_param_named(test, radeon_testing, int, 0444);
175
176MODULE_PARM_DESC(connector_table, "Force connector table");
177module_param_named(connector_table, radeon_connector_table, int, 0444);
178
179MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
180module_param_named(tv, radeon_tv, int, 0444);
181
182MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
183module_param_named(audio, radeon_audio, int, 0444);
184
185MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
186module_param_named(disp_priority, radeon_disp_priority, int, 0444);
187
188MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
189module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
190
191MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
192module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
193
194MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
195module_param_named(msi, radeon_msi, int, 0444);
196
197MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
198module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
199
200MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
201module_param_named(fastfb, radeon_fastfb, int, 0444);
202
203MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
204module_param_named(dpm, radeon_dpm, int, 0444);
205
206MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
207module_param_named(aspm, radeon_aspm, int, 0444);
208
209MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
210module_param_named(runpm, radeon_runtime_pm, int, 0444);
211
212MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
213module_param_named(hard_reset, radeon_hard_reset, int, 0444);
214
215MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
216module_param_named(vm_size, radeon_vm_size, int, 0444);
217
218MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
219module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
220
221MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
222module_param_named(deep_color, radeon_deep_color, int, 0444);
223
224MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
225module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
226
227MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
228module_param_named(bapm, radeon_bapm, int, 0444);
229
230MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
231module_param_named(backlight, radeon_backlight, int, 0444);
232
233MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
234module_param_named(auxch, radeon_auxch, int, 0444);
235
236MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
237module_param_named(uvd, radeon_uvd, int, 0444);
238
239MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
240module_param_named(vce, radeon_vce, int, 0444);
241
242int radeon_si_support = 1;
243MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
244module_param_named(si_support, radeon_si_support, int, 0444);
245
246int radeon_cik_support = 1;
247MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
248module_param_named(cik_support, radeon_cik_support, int, 0444);
249
250static struct pci_device_id pciidlist[] = {
251 radeon_PCI_IDS
252};
253
254MODULE_DEVICE_TABLE(pci, pciidlist);
255
256static const struct drm_driver kms_driver;
257
258static int radeon_pci_probe(struct pci_dev *pdev,
259 const struct pci_device_id *ent)
260{
261 unsigned long flags = 0;
262 struct drm_device *dev;
263 int ret;
264
265 if (!ent)
266 return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */
267
268 flags = ent->driver_data;
269
270 if (!radeon_si_support) {
271 switch (flags & RADEON_FAMILY_MASK) {
272 case CHIP_TAHITI:
273 case CHIP_PITCAIRN:
274 case CHIP_VERDE:
275 case CHIP_OLAND:
276 case CHIP_HAINAN:
277 dev_info(&pdev->dev,
278 "SI support disabled by module param\n");
279 return -ENODEV;
280 }
281 }
282 if (!radeon_cik_support) {
283 switch (flags & RADEON_FAMILY_MASK) {
284 case CHIP_KAVERI:
285 case CHIP_BONAIRE:
286 case CHIP_HAWAII:
287 case CHIP_KABINI:
288 case CHIP_MULLINS:
289 dev_info(&pdev->dev,
290 "CIK support disabled by module param\n");
291 return -ENODEV;
292 }
293 }
294
295 if (vga_switcheroo_client_probe_defer(pdev))
296 return -EPROBE_DEFER;
297
298 /* Get rid of things like offb */
299 ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &kms_driver);
300 if (ret)
301 return ret;
302
303 dev = drm_dev_alloc(&kms_driver, &pdev->dev);
304 if (IS_ERR(dev))
305 return PTR_ERR(dev);
306
307 ret = pci_enable_device(pdev);
308 if (ret)
309 goto err_free;
310
311 pci_set_drvdata(pdev, dev);
312
313 ret = drm_dev_register(dev, ent->driver_data);
314 if (ret)
315 goto err_agp;
316
317 radeon_fbdev_setup(dev->dev_private);
318
319 return 0;
320
321err_agp:
322 pci_disable_device(pdev);
323err_free:
324 drm_dev_put(dev);
325 return ret;
326}
327
328static void
329radeon_pci_remove(struct pci_dev *pdev)
330{
331 struct drm_device *dev = pci_get_drvdata(pdev);
332
333 drm_put_dev(dev);
334}
335
336static void
337radeon_pci_shutdown(struct pci_dev *pdev)
338{
339 /* if we are running in a VM, make sure the device
340 * torn down properly on reboot/shutdown
341 */
342 if (radeon_device_is_virtual())
343 radeon_pci_remove(pdev);
344
345#if defined(CONFIG_PPC64) || defined(CONFIG_MACH_LOONGSON64)
346 /*
347 * Some adapters need to be suspended before a
348 * shutdown occurs in order to prevent an error
349 * during kexec, shutdown or reboot.
350 * Make this power and Loongson specific because
351 * it breaks some other boards.
352 */
353 radeon_suspend_kms(pci_get_drvdata(pdev), true, true, false);
354#endif
355}
356
357static int radeon_pmops_suspend(struct device *dev)
358{
359 struct drm_device *drm_dev = dev_get_drvdata(dev);
360
361 return radeon_suspend_kms(drm_dev, true, true, false);
362}
363
364static int radeon_pmops_resume(struct device *dev)
365{
366 struct drm_device *drm_dev = dev_get_drvdata(dev);
367
368 /* GPU comes up enabled by the bios on resume */
369 if (radeon_is_px(drm_dev)) {
370 pm_runtime_disable(dev);
371 pm_runtime_set_active(dev);
372 pm_runtime_enable(dev);
373 }
374
375 return radeon_resume_kms(drm_dev, true, true);
376}
377
378static int radeon_pmops_freeze(struct device *dev)
379{
380 struct drm_device *drm_dev = dev_get_drvdata(dev);
381
382 return radeon_suspend_kms(drm_dev, false, true, true);
383}
384
385static int radeon_pmops_thaw(struct device *dev)
386{
387 struct drm_device *drm_dev = dev_get_drvdata(dev);
388
389 return radeon_resume_kms(drm_dev, false, true);
390}
391
392static int radeon_pmops_runtime_suspend(struct device *dev)
393{
394 struct pci_dev *pdev = to_pci_dev(dev);
395 struct drm_device *drm_dev = pci_get_drvdata(pdev);
396
397 if (!radeon_is_px(drm_dev)) {
398 pm_runtime_forbid(dev);
399 return -EBUSY;
400 }
401
402 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
403 drm_kms_helper_poll_disable(drm_dev);
404
405 radeon_suspend_kms(drm_dev, false, false, false);
406 pci_save_state(pdev);
407 pci_disable_device(pdev);
408 pci_ignore_hotplug(pdev);
409 if (radeon_is_atpx_hybrid())
410 pci_set_power_state(pdev, PCI_D3cold);
411 else if (!radeon_has_atpx_dgpu_power_cntl())
412 pci_set_power_state(pdev, PCI_D3hot);
413 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
414
415 return 0;
416}
417
418static int radeon_pmops_runtime_resume(struct device *dev)
419{
420 struct pci_dev *pdev = to_pci_dev(dev);
421 struct drm_device *drm_dev = pci_get_drvdata(pdev);
422 int ret;
423
424 if (!radeon_is_px(drm_dev))
425 return -EINVAL;
426
427 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
428
429 if (radeon_is_atpx_hybrid() ||
430 !radeon_has_atpx_dgpu_power_cntl())
431 pci_set_power_state(pdev, PCI_D0);
432 pci_restore_state(pdev);
433 ret = pci_enable_device(pdev);
434 if (ret)
435 return ret;
436 pci_set_master(pdev);
437
438 ret = radeon_resume_kms(drm_dev, false, false);
439 drm_kms_helper_poll_enable(drm_dev);
440 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
441 return 0;
442}
443
444static int radeon_pmops_runtime_idle(struct device *dev)
445{
446 struct drm_device *drm_dev = dev_get_drvdata(dev);
447 struct drm_crtc *crtc;
448
449 if (!radeon_is_px(drm_dev)) {
450 pm_runtime_forbid(dev);
451 return -EBUSY;
452 }
453
454 list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
455 if (crtc->enabled) {
456 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
457 return -EBUSY;
458 }
459 }
460
461 pm_runtime_mark_last_busy(dev);
462 pm_runtime_autosuspend(dev);
463 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
464 return 1;
465}
466
467long radeon_drm_ioctl(struct file *filp,
468 unsigned int cmd, unsigned long arg)
469{
470 struct drm_file *file_priv = filp->private_data;
471 struct drm_device *dev;
472 long ret;
473
474 dev = file_priv->minor->dev;
475 ret = pm_runtime_get_sync(dev->dev);
476 if (ret < 0) {
477 pm_runtime_put_autosuspend(dev->dev);
478 return ret;
479 }
480
481 ret = drm_ioctl(filp, cmd, arg);
482
483 pm_runtime_mark_last_busy(dev->dev);
484 pm_runtime_put_autosuspend(dev->dev);
485 return ret;
486}
487
488#ifdef CONFIG_COMPAT
489static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
490{
491 unsigned int nr = DRM_IOCTL_NR(cmd);
492
493 if (nr < DRM_COMMAND_BASE)
494 return drm_compat_ioctl(filp, cmd, arg);
495
496 return radeon_drm_ioctl(filp, cmd, arg);
497}
498#endif
499
500static const struct dev_pm_ops radeon_pm_ops = {
501 .suspend = radeon_pmops_suspend,
502 .resume = radeon_pmops_resume,
503 .freeze = radeon_pmops_freeze,
504 .thaw = radeon_pmops_thaw,
505 .poweroff = radeon_pmops_freeze,
506 .restore = radeon_pmops_resume,
507 .runtime_suspend = radeon_pmops_runtime_suspend,
508 .runtime_resume = radeon_pmops_runtime_resume,
509 .runtime_idle = radeon_pmops_runtime_idle,
510};
511
512static const struct file_operations radeon_driver_kms_fops = {
513 .owner = THIS_MODULE,
514 .open = drm_open,
515 .release = drm_release,
516 .unlocked_ioctl = radeon_drm_ioctl,
517 .mmap = drm_gem_mmap,
518 .poll = drm_poll,
519 .read = drm_read,
520#ifdef CONFIG_COMPAT
521 .compat_ioctl = radeon_kms_compat_ioctl,
522#endif
523};
524
525static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
526 DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
527 DRM_IOCTL_DEF_DRV(RADEON_CP_START, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
528 DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
529 DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
530 DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, drm_invalid_op, DRM_AUTH),
531 DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, drm_invalid_op, DRM_AUTH),
532 DRM_IOCTL_DEF_DRV(RADEON_RESET, drm_invalid_op, DRM_AUTH),
533 DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, drm_invalid_op, DRM_AUTH),
534 DRM_IOCTL_DEF_DRV(RADEON_SWAP, drm_invalid_op, DRM_AUTH),
535 DRM_IOCTL_DEF_DRV(RADEON_CLEAR, drm_invalid_op, DRM_AUTH),
536 DRM_IOCTL_DEF_DRV(RADEON_VERTEX, drm_invalid_op, DRM_AUTH),
537 DRM_IOCTL_DEF_DRV(RADEON_INDICES, drm_invalid_op, DRM_AUTH),
538 DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, drm_invalid_op, DRM_AUTH),
539 DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, drm_invalid_op, DRM_AUTH),
540 DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
541 DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, drm_invalid_op, DRM_AUTH),
542 DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, drm_invalid_op, DRM_AUTH),
543 DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, drm_invalid_op, DRM_AUTH),
544 DRM_IOCTL_DEF_DRV(RADEON_FLIP, drm_invalid_op, DRM_AUTH),
545 DRM_IOCTL_DEF_DRV(RADEON_ALLOC, drm_invalid_op, DRM_AUTH),
546 DRM_IOCTL_DEF_DRV(RADEON_FREE, drm_invalid_op, DRM_AUTH),
547 DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
548 DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, drm_invalid_op, DRM_AUTH),
549 DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, drm_invalid_op, DRM_AUTH),
550 DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, drm_invalid_op, DRM_AUTH),
551 DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, drm_invalid_op, DRM_AUTH),
552 DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, drm_invalid_op, DRM_AUTH),
553 /* KMS */
554 DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
555 DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
556 DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
557 DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
558 DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
559 DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
560 DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
561 DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
562 DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
563 DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
564 DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
565 DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
566 DRM_IOCTL_DEF_DRV(RADEON_GEM_USERPTR, radeon_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
567};
568
569static const struct drm_driver kms_driver = {
570 .driver_features =
571 DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
572 .load = radeon_driver_load_kms,
573 .open = radeon_driver_open_kms,
574 .postclose = radeon_driver_postclose_kms,
575 .unload = radeon_driver_unload_kms,
576 .ioctls = radeon_ioctls_kms,
577 .num_ioctls = ARRAY_SIZE(radeon_ioctls_kms),
578 .dumb_create = radeon_mode_dumb_create,
579 .dumb_map_offset = radeon_mode_dumb_mmap,
580 .fops = &radeon_driver_kms_fops,
581
582 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
583
584 .name = DRIVER_NAME,
585 .desc = DRIVER_DESC,
586 .date = DRIVER_DATE,
587 .major = KMS_DRIVER_MAJOR,
588 .minor = KMS_DRIVER_MINOR,
589 .patchlevel = KMS_DRIVER_PATCHLEVEL,
590};
591
592static struct pci_driver radeon_kms_pci_driver = {
593 .name = DRIVER_NAME,
594 .id_table = pciidlist,
595 .probe = radeon_pci_probe,
596 .remove = radeon_pci_remove,
597 .shutdown = radeon_pci_shutdown,
598 .driver.pm = &radeon_pm_ops,
599};
600
601static int __init radeon_module_init(void)
602{
603 if (drm_firmware_drivers_only() && radeon_modeset == -1)
604 radeon_modeset = 0;
605
606 if (radeon_modeset == 0)
607 return -EINVAL;
608
609 DRM_INFO("radeon kernel modesetting enabled.\n");
610 radeon_register_atpx_handler();
611
612 return pci_register_driver(&radeon_kms_pci_driver);
613}
614
615static void __exit radeon_module_exit(void)
616{
617 pci_unregister_driver(&radeon_kms_pci_driver);
618 radeon_unregister_atpx_handler();
619 mmu_notifier_synchronize();
620}
621
622module_init(radeon_module_init);
623module_exit(radeon_module_exit);
624
625MODULE_AUTHOR(DRIVER_AUTHOR);
626MODULE_DESCRIPTION(DRIVER_DESC);
627MODULE_LICENSE("GPL and additional rights");