60  * - 2.0.0 - initial interface
61  * - 2.1.0 - add square tiling interface
62  * - 2.2.0 - add r6xx/r7xx const buffer support
63  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
64  * - 2.4.0 - add crtc id query
65  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
66  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
67  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
68 …*   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, cl…
69  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
70  *   2.10.0 - fusion 2D tiling
71  *   2.11.0 - backend map, initial compute support for the CS checker
72  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
73  *   2.13.0 - virtual memory support, streamout
74  *   2.14.0 - add evergreen tiling informations
75  *   2.15.0 - add max_pipes query
76  *   2.16.0 - fix evergreen 2D tiled surface calculation
77  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
78  *   2.18.0 - r600-eg: allow "invalid" DB formats
79  *   2.19.0 - r600-eg: MSAA textures
80  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
81  *   2.21.0 - r600-r700: FMASK and CMASK
82  *   2.22.0 - r600 only: RESOLVE_BOX allowed
83  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
84  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
85  *   2.25.0 - eg+: new info request for num SE and num SH
86  *   2.26.0 - r600-eg: fix htile size computation
87  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
88  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
89  *   2.29.0 - R500 FP16 color clear registers
90  *   2.30.0 - fix for FMASK texturing
91  *   2.31.0 - Add fastfb support for rs690
92  *   2.32.0 - new info request for rings working
93  *   2.33.0 - Add SI tiling mode array query
94  *   2.34.0 - Add CIK tiling mode array query
95  *   2.35.0 - Add CIK macrotile mode array query
96  *   2.36.0 - Fix CIK DCE tiling setup
97  *   2.37.0 - allow GS ring setup on r6xx/r7xx
98  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
100  *   2.39.0 - Add INFO query for number of active CUs
101  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
103  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
104  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
105  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
106  *   2.44.0 - SET_APPEND_CNT packet3 support
107  *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
108  *   2.46.0 - Add PFP_SYNC_ME support on evergreen
109  *   2.47.0 - Add UVD_NO_OP register support
110  *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
111  *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
112  *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
113  *   2.51.0 - Add evergreen/cayman OpenGL 4.6 compatibility
120 int radeon_modeset = -1;
121 int radeon_dynclks = -1;
123 int radeon_agpmode = -1;
125 int radeon_gart_size = -1; /* auto */
130 int radeon_audio = -1;
133 int radeon_pcie_gen2 = -1;
134 int radeon_msi = -1;
137 int radeon_dpm = -1;
138 int radeon_aspm = -1;
139 int radeon_runtime_pm = -1;
142 int radeon_vm_block_size = -1;
145 int radeon_bapm = -1;
146 int radeon_backlight = -1;
147 int radeon_auxch = -1;
166 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
169 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
184 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
187 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
193 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
196 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
205 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
208 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
211 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
229 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
232 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
235 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)…
269 		return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */  in radeon_pci_probe()
271 	flags = ent->driver_data;  in radeon_pci_probe()
280 			dev_info(&pdev->dev,  in radeon_pci_probe()
282 			return -ENODEV;  in radeon_pci_probe()
292 			dev_info(&pdev->dev,  in radeon_pci_probe()
294 			return -ENODEV;  in radeon_pci_probe()
299 		return -EPROBE_DEFER;  in radeon_pci_probe()
306 	rdev = devm_drm_dev_alloc(&pdev->dev, &kms_driver, typeof(*rdev), ddev);  in radeon_pci_probe()
310 	rdev->dev = &pdev->dev;  in radeon_pci_probe()
311 	rdev->pdev = pdev;  in radeon_pci_probe()
313 	ddev->dev_private = rdev;  in radeon_pci_probe()
329 	if (rdev->mc.real_vram_size <= (8 * 1024 * 1024))  in radeon_pci_probe()
331 	else if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32 * 1024 * 1024))  in radeon_pci_probe()
402 		return -EBUSY;  in radeon_pmops_runtime_suspend()
405 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;  in radeon_pmops_runtime_suspend()
416 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;  in radeon_pmops_runtime_suspend()
428 		return -EINVAL;  in radeon_pmops_runtime_resume()
430 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;  in radeon_pmops_runtime_resume()
443 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;  in radeon_pmops_runtime_resume()
454 		return -EBUSY;  in radeon_pmops_runtime_idle()
457 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {  in radeon_pmops_runtime_idle()
458 		if (crtc->enabled) {  in radeon_pmops_runtime_idle()
459 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");  in radeon_pmops_runtime_idle()
460 			return -EBUSY;  in radeon_pmops_runtime_idle()
466 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */  in radeon_pmops_runtime_idle()
473 	struct drm_file *file_priv = filp->private_data;  in radeon_drm_ioctl()
477 	dev = file_priv->minor->dev;  in radeon_drm_ioctl()
478 	ret = pm_runtime_get_sync(dev->dev);  in radeon_drm_ioctl()
480 		pm_runtime_put_autosuspend(dev->dev);  in radeon_drm_ioctl()
486 	pm_runtime_mark_last_busy(dev->dev);  in radeon_drm_ioctl()
487 	pm_runtime_put_autosuspend(dev->dev);  in radeon_drm_ioctl()
601 	.driver.pm = &radeon_pm_ops,
606 	if (drm_firmware_drivers_only() && radeon_modeset == -1)  in radeon_module_init()
610 		return -EINVAL;  in radeon_module_init()