|  | /** | 
|  | * \file radeon_drv.c | 
|  | * ATI Radeon driver | 
|  | * | 
|  | * \author Gareth Hughes <gareth@valinux.com> | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | 
|  | * All Rights Reserved. | 
|  | * | 
|  | * Permission is hereby granted, free of charge, to any person obtaining a | 
|  | * copy of this software and associated documentation files (the "Software"), | 
|  | * to deal in the Software without restriction, including without limitation | 
|  | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
|  | * and/or sell copies of the Software, and to permit persons to whom the | 
|  | * Software is furnished to do so, subject to the following conditions: | 
|  | * | 
|  | * The above copyright notice and this permission notice (including the next | 
|  | * paragraph) shall be included in all copies or substantial portions of the | 
|  | * Software. | 
|  | * | 
|  | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
|  | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
|  | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
|  | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | 
|  | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | 
|  | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | 
|  | * OTHER DEALINGS IN THE SOFTWARE. | 
|  | */ | 
|  |  | 
|  |  | 
|  | #include <linux/compat.h> | 
|  | #include <linux/console.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/pm_runtime.h> | 
|  | #include <linux/vga_switcheroo.h> | 
|  | #include <linux/mmu_notifier.h> | 
|  |  | 
|  | #include <drm/drm_crtc_helper.h> | 
|  | #include <drm/drm_drv.h> | 
|  | #include <drm/drm_fb_helper.h> | 
|  | #include <drm/drm_file.h> | 
|  | #include <drm/drm_gem.h> | 
|  | #include <drm/drm_ioctl.h> | 
|  | #include <drm/drm_pci.h> | 
|  | #include <drm/drm_pciids.h> | 
|  | #include <drm/drm_probe_helper.h> | 
|  | #include <drm/drm_vblank.h> | 
|  | #include <drm/radeon_drm.h> | 
|  |  | 
|  | #include "radeon_drv.h" | 
|  |  | 
|  | /* | 
|  | * KMS wrapper. | 
|  | * - 2.0.0 - initial interface | 
|  | * - 2.1.0 - add square tiling interface | 
|  | * - 2.2.0 - add r6xx/r7xx const buffer support | 
|  | * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs | 
|  | * - 2.4.0 - add crtc id query | 
|  | * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen | 
|  | * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) | 
|  | *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs | 
|  | *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query | 
|  | *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query | 
|  | *   2.10.0 - fusion 2D tiling | 
|  | *   2.11.0 - backend map, initial compute support for the CS checker | 
|  | *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS | 
|  | *   2.13.0 - virtual memory support, streamout | 
|  | *   2.14.0 - add evergreen tiling informations | 
|  | *   2.15.0 - add max_pipes query | 
|  | *   2.16.0 - fix evergreen 2D tiled surface calculation | 
|  | *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx | 
|  | *   2.18.0 - r600-eg: allow "invalid" DB formats | 
|  | *   2.19.0 - r600-eg: MSAA textures | 
|  | *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query | 
|  | *   2.21.0 - r600-r700: FMASK and CMASK | 
|  | *   2.22.0 - r600 only: RESOLVE_BOX allowed | 
|  | *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880 | 
|  | *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures | 
|  | *   2.25.0 - eg+: new info request for num SE and num SH | 
|  | *   2.26.0 - r600-eg: fix htile size computation | 
|  | *   2.27.0 - r600-SI: Add CS ioctl support for async DMA | 
|  | *   2.28.0 - r600-eg: Add MEM_WRITE packet support | 
|  | *   2.29.0 - R500 FP16 color clear registers | 
|  | *   2.30.0 - fix for FMASK texturing | 
|  | *   2.31.0 - Add fastfb support for rs690 | 
|  | *   2.32.0 - new info request for rings working | 
|  | *   2.33.0 - Add SI tiling mode array query | 
|  | *   2.34.0 - Add CIK tiling mode array query | 
|  | *   2.35.0 - Add CIK macrotile mode array query | 
|  | *   2.36.0 - Fix CIK DCE tiling setup | 
|  | *   2.37.0 - allow GS ring setup on r6xx/r7xx | 
|  | *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN), | 
|  | *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG | 
|  | *   2.39.0 - Add INFO query for number of active CUs | 
|  | *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting | 
|  | *            CS to GPU on >= r600 | 
|  | *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support | 
|  | *   2.42.0 - Add VCE/VUI (Video Usability Information) support | 
|  | *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER | 
|  | *   2.44.0 - SET_APPEND_CNT packet3 support | 
|  | *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI | 
|  | *   2.46.0 - Add PFP_SYNC_ME support on evergreen | 
|  | *   2.47.0 - Add UVD_NO_OP register support | 
|  | *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI | 
|  | *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values | 
|  | *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL) | 
|  | */ | 
|  | #define KMS_DRIVER_MAJOR	2 | 
|  | #define KMS_DRIVER_MINOR	50 | 
|  | #define KMS_DRIVER_PATCHLEVEL	0 | 
|  | int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); | 
|  | void radeon_driver_unload_kms(struct drm_device *dev); | 
|  | void radeon_driver_lastclose_kms(struct drm_device *dev); | 
|  | int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); | 
|  | void radeon_driver_postclose_kms(struct drm_device *dev, | 
|  | struct drm_file *file_priv); | 
|  | int radeon_suspend_kms(struct drm_device *dev, bool suspend, | 
|  | bool fbcon, bool freeze); | 
|  | int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon); | 
|  | u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe); | 
|  | int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe); | 
|  | void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe); | 
|  | void radeon_driver_irq_preinstall_kms(struct drm_device *dev); | 
|  | int radeon_driver_irq_postinstall_kms(struct drm_device *dev); | 
|  | void radeon_driver_irq_uninstall_kms(struct drm_device *dev); | 
|  | irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg); | 
|  | void radeon_gem_object_free(struct drm_gem_object *obj); | 
|  | int radeon_gem_object_open(struct drm_gem_object *obj, | 
|  | struct drm_file *file_priv); | 
|  | void radeon_gem_object_close(struct drm_gem_object *obj, | 
|  | struct drm_file *file_priv); | 
|  | struct dma_buf *radeon_gem_prime_export(struct drm_gem_object *gobj, | 
|  | int flags); | 
|  | extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc, | 
|  | unsigned int flags, int *vpos, int *hpos, | 
|  | ktime_t *stime, ktime_t *etime, | 
|  | const struct drm_display_mode *mode); | 
|  | extern bool radeon_is_px(struct drm_device *dev); | 
|  | extern const struct drm_ioctl_desc radeon_ioctls_kms[]; | 
|  | extern int radeon_max_kms_ioctl; | 
|  | int radeon_mmap(struct file *filp, struct vm_area_struct *vma); | 
|  | int radeon_mode_dumb_mmap(struct drm_file *filp, | 
|  | struct drm_device *dev, | 
|  | uint32_t handle, uint64_t *offset_p); | 
|  | int radeon_mode_dumb_create(struct drm_file *file_priv, | 
|  | struct drm_device *dev, | 
|  | struct drm_mode_create_dumb *args); | 
|  | struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj); | 
|  | struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, | 
|  | struct dma_buf_attachment *, | 
|  | struct sg_table *sg); | 
|  | int radeon_gem_prime_pin(struct drm_gem_object *obj); | 
|  | void radeon_gem_prime_unpin(struct drm_gem_object *obj); | 
|  | void *radeon_gem_prime_vmap(struct drm_gem_object *obj); | 
|  | void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); | 
|  |  | 
|  | /* atpx handler */ | 
|  | #if defined(CONFIG_VGA_SWITCHEROO) | 
|  | void radeon_register_atpx_handler(void); | 
|  | void radeon_unregister_atpx_handler(void); | 
|  | bool radeon_has_atpx_dgpu_power_cntl(void); | 
|  | bool radeon_is_atpx_hybrid(void); | 
|  | #else | 
|  | static inline void radeon_register_atpx_handler(void) {} | 
|  | static inline void radeon_unregister_atpx_handler(void) {} | 
|  | static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; } | 
|  | static inline bool radeon_is_atpx_hybrid(void) { return false; } | 
|  | #endif | 
|  |  | 
|  | int radeon_no_wb; | 
|  | int radeon_modeset = -1; | 
|  | int radeon_dynclks = -1; | 
|  | int radeon_r4xx_atom = 0; | 
|  | #ifdef __powerpc__ | 
|  | /* Default to PCI on PowerPC (fdo #95017) */ | 
|  | int radeon_agpmode = -1; | 
|  | #else | 
|  | int radeon_agpmode = 0; | 
|  | #endif | 
|  | int radeon_vram_limit = 0; | 
|  | int radeon_gart_size = -1; /* auto */ | 
|  | int radeon_benchmarking = 0; | 
|  | int radeon_testing = 0; | 
|  | int radeon_connector_table = 0; | 
|  | int radeon_tv = 1; | 
|  | int radeon_audio = -1; | 
|  | int radeon_disp_priority = 0; | 
|  | int radeon_hw_i2c = 0; | 
|  | int radeon_pcie_gen2 = -1; | 
|  | int radeon_msi = -1; | 
|  | int radeon_lockup_timeout = 10000; | 
|  | int radeon_fastfb = 0; | 
|  | int radeon_dpm = -1; | 
|  | int radeon_aspm = -1; | 
|  | int radeon_runtime_pm = -1; | 
|  | int radeon_hard_reset = 0; | 
|  | int radeon_vm_size = 8; | 
|  | int radeon_vm_block_size = -1; | 
|  | int radeon_deep_color = 0; | 
|  | int radeon_use_pflipirq = 2; | 
|  | int radeon_bapm = -1; | 
|  | int radeon_backlight = -1; | 
|  | int radeon_auxch = -1; | 
|  | int radeon_mst = 0; | 
|  | int radeon_uvd = 1; | 
|  | int radeon_vce = 1; | 
|  |  | 
|  | MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); | 
|  | module_param_named(no_wb, radeon_no_wb, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); | 
|  | module_param_named(modeset, radeon_modeset, int, 0400); | 
|  |  | 
|  | MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); | 
|  | module_param_named(dynclks, radeon_dynclks, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); | 
|  | module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); | 
|  | module_param_named(vramlimit, radeon_vram_limit, int, 0600); | 
|  |  | 
|  | MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); | 
|  | module_param_named(agpmode, radeon_agpmode, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)"); | 
|  | module_param_named(gartsize, radeon_gart_size, int, 0600); | 
|  |  | 
|  | MODULE_PARM_DESC(benchmark, "Run benchmark"); | 
|  | module_param_named(benchmark, radeon_benchmarking, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(test, "Run tests"); | 
|  | module_param_named(test, radeon_testing, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(connector_table, "Force connector table"); | 
|  | module_param_named(connector_table, radeon_connector_table, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); | 
|  | module_param_named(tv, radeon_tv, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)"); | 
|  | module_param_named(audio, radeon_audio, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); | 
|  | module_param_named(disp_priority, radeon_disp_priority, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); | 
|  | module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); | 
|  | module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); | 
|  | module_param_named(msi, radeon_msi, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)"); | 
|  | module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)"); | 
|  | module_param_named(fastfb, radeon_fastfb, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)"); | 
|  | module_param_named(dpm, radeon_dpm, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)"); | 
|  | module_param_named(aspm, radeon_aspm, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)"); | 
|  | module_param_named(runpm, radeon_runtime_pm, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))"); | 
|  | module_param_named(hard_reset, radeon_hard_reset, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)"); | 
|  | module_param_named(vm_size, radeon_vm_size, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)"); | 
|  | module_param_named(vm_block_size, radeon_vm_block_size, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))"); | 
|  | module_param_named(deep_color, radeon_deep_color, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))"); | 
|  | module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)"); | 
|  | module_param_named(bapm, radeon_bapm, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)"); | 
|  | module_param_named(backlight, radeon_backlight, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)"); | 
|  | module_param_named(auxch, radeon_auxch, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)"); | 
|  | module_param_named(mst, radeon_mst, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)"); | 
|  | module_param_named(uvd, radeon_uvd, int, 0444); | 
|  |  | 
|  | MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)"); | 
|  | module_param_named(vce, radeon_vce, int, 0444); | 
|  |  | 
|  | int radeon_si_support = 1; | 
|  | MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)"); | 
|  | module_param_named(si_support, radeon_si_support, int, 0444); | 
|  |  | 
|  | int radeon_cik_support = 1; | 
|  | MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)"); | 
|  | module_param_named(cik_support, radeon_cik_support, int, 0444); | 
|  |  | 
|  | static struct pci_device_id pciidlist[] = { | 
|  | radeon_PCI_IDS | 
|  | }; | 
|  |  | 
|  | MODULE_DEVICE_TABLE(pci, pciidlist); | 
|  |  | 
|  | static struct drm_driver kms_driver; | 
|  |  | 
|  | bool radeon_device_is_virtual(void); | 
|  |  | 
|  | static int radeon_pci_probe(struct pci_dev *pdev, | 
|  | const struct pci_device_id *ent) | 
|  | { | 
|  | unsigned long flags = 0; | 
|  | int ret; | 
|  |  | 
|  | if (!ent) | 
|  | return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */ | 
|  |  | 
|  | flags = ent->driver_data; | 
|  |  | 
|  | if (!radeon_si_support) { | 
|  | switch (flags & RADEON_FAMILY_MASK) { | 
|  | case CHIP_TAHITI: | 
|  | case CHIP_PITCAIRN: | 
|  | case CHIP_VERDE: | 
|  | case CHIP_OLAND: | 
|  | case CHIP_HAINAN: | 
|  | dev_info(&pdev->dev, | 
|  | "SI support disabled by module param\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  | } | 
|  | if (!radeon_cik_support) { | 
|  | switch (flags & RADEON_FAMILY_MASK) { | 
|  | case CHIP_KAVERI: | 
|  | case CHIP_BONAIRE: | 
|  | case CHIP_HAWAII: | 
|  | case CHIP_KABINI: | 
|  | case CHIP_MULLINS: | 
|  | dev_info(&pdev->dev, | 
|  | "CIK support disabled by module param\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (vga_switcheroo_client_probe_defer(pdev)) | 
|  | return -EPROBE_DEFER; | 
|  |  | 
|  | /* Get rid of things like offb */ | 
|  | ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "radeondrmfb"); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | return drm_get_pci_dev(pdev, ent, &kms_driver); | 
|  | } | 
|  |  | 
|  | static void | 
|  | radeon_pci_remove(struct pci_dev *pdev) | 
|  | { | 
|  | struct drm_device *dev = pci_get_drvdata(pdev); | 
|  |  | 
|  | drm_put_dev(dev); | 
|  | } | 
|  |  | 
|  | static void | 
|  | radeon_pci_shutdown(struct pci_dev *pdev) | 
|  | { | 
|  | /* if we are running in a VM, make sure the device | 
|  | * torn down properly on reboot/shutdown | 
|  | */ | 
|  | if (radeon_device_is_virtual()) | 
|  | radeon_pci_remove(pdev); | 
|  |  | 
|  | #ifdef CONFIG_PPC64 | 
|  | /* | 
|  | * Some adapters need to be suspended before a | 
|  | * shutdown occurs in order to prevent an error | 
|  | * during kexec. | 
|  | * Make this power specific becauase it breaks | 
|  | * some non-power boards. | 
|  | */ | 
|  | radeon_suspend_kms(pci_get_drvdata(pdev), true, true, false); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static int radeon_pmops_suspend(struct device *dev) | 
|  | { | 
|  | struct drm_device *drm_dev = dev_get_drvdata(dev); | 
|  | return radeon_suspend_kms(drm_dev, true, true, false); | 
|  | } | 
|  |  | 
|  | static int radeon_pmops_resume(struct device *dev) | 
|  | { | 
|  | struct drm_device *drm_dev = dev_get_drvdata(dev); | 
|  |  | 
|  | /* GPU comes up enabled by the bios on resume */ | 
|  | if (radeon_is_px(drm_dev)) { | 
|  | pm_runtime_disable(dev); | 
|  | pm_runtime_set_active(dev); | 
|  | pm_runtime_enable(dev); | 
|  | } | 
|  |  | 
|  | return radeon_resume_kms(drm_dev, true, true); | 
|  | } | 
|  |  | 
|  | static int radeon_pmops_freeze(struct device *dev) | 
|  | { | 
|  | struct drm_device *drm_dev = dev_get_drvdata(dev); | 
|  | return radeon_suspend_kms(drm_dev, false, true, true); | 
|  | } | 
|  |  | 
|  | static int radeon_pmops_thaw(struct device *dev) | 
|  | { | 
|  | struct drm_device *drm_dev = dev_get_drvdata(dev); | 
|  | return radeon_resume_kms(drm_dev, false, true); | 
|  | } | 
|  |  | 
|  | static int radeon_pmops_runtime_suspend(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(dev); | 
|  | struct drm_device *drm_dev = pci_get_drvdata(pdev); | 
|  | int ret; | 
|  |  | 
|  | if (!radeon_is_px(drm_dev)) { | 
|  | pm_runtime_forbid(dev); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | 
|  | drm_kms_helper_poll_disable(drm_dev); | 
|  |  | 
|  | ret = radeon_suspend_kms(drm_dev, false, false, false); | 
|  | pci_save_state(pdev); | 
|  | pci_disable_device(pdev); | 
|  | pci_ignore_hotplug(pdev); | 
|  | if (radeon_is_atpx_hybrid()) | 
|  | pci_set_power_state(pdev, PCI_D3cold); | 
|  | else if (!radeon_has_atpx_dgpu_power_cntl()) | 
|  | pci_set_power_state(pdev, PCI_D3hot); | 
|  | drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int radeon_pmops_runtime_resume(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(dev); | 
|  | struct drm_device *drm_dev = pci_get_drvdata(pdev); | 
|  | int ret; | 
|  |  | 
|  | if (!radeon_is_px(drm_dev)) | 
|  | return -EINVAL; | 
|  |  | 
|  | drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | 
|  |  | 
|  | if (radeon_is_atpx_hybrid() || | 
|  | !radeon_has_atpx_dgpu_power_cntl()) | 
|  | pci_set_power_state(pdev, PCI_D0); | 
|  | pci_restore_state(pdev); | 
|  | ret = pci_enable_device(pdev); | 
|  | if (ret) | 
|  | return ret; | 
|  | pci_set_master(pdev); | 
|  |  | 
|  | ret = radeon_resume_kms(drm_dev, false, false); | 
|  | drm_kms_helper_poll_enable(drm_dev); | 
|  | drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int radeon_pmops_runtime_idle(struct device *dev) | 
|  | { | 
|  | struct drm_device *drm_dev = dev_get_drvdata(dev); | 
|  | struct drm_crtc *crtc; | 
|  |  | 
|  | if (!radeon_is_px(drm_dev)) { | 
|  | pm_runtime_forbid(dev); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) { | 
|  | if (crtc->enabled) { | 
|  | DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); | 
|  | return -EBUSY; | 
|  | } | 
|  | } | 
|  |  | 
|  | pm_runtime_mark_last_busy(dev); | 
|  | pm_runtime_autosuspend(dev); | 
|  | /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | long radeon_drm_ioctl(struct file *filp, | 
|  | unsigned int cmd, unsigned long arg) | 
|  | { | 
|  | struct drm_file *file_priv = filp->private_data; | 
|  | struct drm_device *dev; | 
|  | long ret; | 
|  | dev = file_priv->minor->dev; | 
|  | ret = pm_runtime_get_sync(dev->dev); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | ret = drm_ioctl(filp, cmd, arg); | 
|  |  | 
|  | pm_runtime_mark_last_busy(dev->dev); | 
|  | pm_runtime_put_autosuspend(dev->dev); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_COMPAT | 
|  | static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | 
|  | { | 
|  | unsigned int nr = DRM_IOCTL_NR(cmd); | 
|  | int ret; | 
|  |  | 
|  | if (nr < DRM_COMMAND_BASE) | 
|  | return drm_compat_ioctl(filp, cmd, arg); | 
|  |  | 
|  | ret = radeon_drm_ioctl(filp, cmd, arg); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static const struct dev_pm_ops radeon_pm_ops = { | 
|  | .suspend = radeon_pmops_suspend, | 
|  | .resume = radeon_pmops_resume, | 
|  | .freeze = radeon_pmops_freeze, | 
|  | .thaw = radeon_pmops_thaw, | 
|  | .poweroff = radeon_pmops_freeze, | 
|  | .restore = radeon_pmops_resume, | 
|  | .runtime_suspend = radeon_pmops_runtime_suspend, | 
|  | .runtime_resume = radeon_pmops_runtime_resume, | 
|  | .runtime_idle = radeon_pmops_runtime_idle, | 
|  | }; | 
|  |  | 
|  | static const struct file_operations radeon_driver_kms_fops = { | 
|  | .owner = THIS_MODULE, | 
|  | .open = drm_open, | 
|  | .release = drm_release, | 
|  | .unlocked_ioctl = radeon_drm_ioctl, | 
|  | .mmap = radeon_mmap, | 
|  | .poll = drm_poll, | 
|  | .read = drm_read, | 
|  | #ifdef CONFIG_COMPAT | 
|  | .compat_ioctl = radeon_kms_compat_ioctl, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | static bool | 
|  | radeon_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe, | 
|  | bool in_vblank_irq, int *vpos, int *hpos, | 
|  | ktime_t *stime, ktime_t *etime, | 
|  | const struct drm_display_mode *mode) | 
|  | { | 
|  | return radeon_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos, | 
|  | stime, etime, mode); | 
|  | } | 
|  |  | 
|  | static struct drm_driver kms_driver = { | 
|  | .driver_features = | 
|  | DRIVER_USE_AGP | DRIVER_GEM | DRIVER_RENDER, | 
|  | .load = radeon_driver_load_kms, | 
|  | .open = radeon_driver_open_kms, | 
|  | .postclose = radeon_driver_postclose_kms, | 
|  | .lastclose = radeon_driver_lastclose_kms, | 
|  | .unload = radeon_driver_unload_kms, | 
|  | .get_vblank_counter = radeon_get_vblank_counter_kms, | 
|  | .enable_vblank = radeon_enable_vblank_kms, | 
|  | .disable_vblank = radeon_disable_vblank_kms, | 
|  | .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos, | 
|  | .get_scanout_position = radeon_get_crtc_scanout_position, | 
|  | .irq_preinstall = radeon_driver_irq_preinstall_kms, | 
|  | .irq_postinstall = radeon_driver_irq_postinstall_kms, | 
|  | .irq_uninstall = radeon_driver_irq_uninstall_kms, | 
|  | .irq_handler = radeon_driver_irq_handler_kms, | 
|  | .ioctls = radeon_ioctls_kms, | 
|  | .gem_free_object_unlocked = radeon_gem_object_free, | 
|  | .gem_open_object = radeon_gem_object_open, | 
|  | .gem_close_object = radeon_gem_object_close, | 
|  | .dumb_create = radeon_mode_dumb_create, | 
|  | .dumb_map_offset = radeon_mode_dumb_mmap, | 
|  | .fops = &radeon_driver_kms_fops, | 
|  |  | 
|  | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, | 
|  | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, | 
|  | .gem_prime_export = radeon_gem_prime_export, | 
|  | .gem_prime_pin = radeon_gem_prime_pin, | 
|  | .gem_prime_unpin = radeon_gem_prime_unpin, | 
|  | .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table, | 
|  | .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table, | 
|  | .gem_prime_vmap = radeon_gem_prime_vmap, | 
|  | .gem_prime_vunmap = radeon_gem_prime_vunmap, | 
|  |  | 
|  | .name = DRIVER_NAME, | 
|  | .desc = DRIVER_DESC, | 
|  | .date = DRIVER_DATE, | 
|  | .major = KMS_DRIVER_MAJOR, | 
|  | .minor = KMS_DRIVER_MINOR, | 
|  | .patchlevel = KMS_DRIVER_PATCHLEVEL, | 
|  | }; | 
|  |  | 
|  | static struct drm_driver *driver; | 
|  | static struct pci_driver *pdriver; | 
|  |  | 
|  | static struct pci_driver radeon_kms_pci_driver = { | 
|  | .name = DRIVER_NAME, | 
|  | .id_table = pciidlist, | 
|  | .probe = radeon_pci_probe, | 
|  | .remove = radeon_pci_remove, | 
|  | .shutdown = radeon_pci_shutdown, | 
|  | .driver.pm = &radeon_pm_ops, | 
|  | }; | 
|  |  | 
|  | static int __init radeon_init(void) | 
|  | { | 
|  | if (vgacon_text_force() && radeon_modeset == -1) { | 
|  | DRM_INFO("VGACON disable radeon kernel modesetting.\n"); | 
|  | radeon_modeset = 0; | 
|  | } | 
|  | /* set to modesetting by default if not nomodeset */ | 
|  | if (radeon_modeset == -1) | 
|  | radeon_modeset = 1; | 
|  |  | 
|  | if (radeon_modeset == 1) { | 
|  | DRM_INFO("radeon kernel modesetting enabled.\n"); | 
|  | driver = &kms_driver; | 
|  | pdriver = &radeon_kms_pci_driver; | 
|  | driver->driver_features |= DRIVER_MODESET; | 
|  | driver->num_ioctls = radeon_max_kms_ioctl; | 
|  | radeon_register_atpx_handler(); | 
|  |  | 
|  | } else { | 
|  | DRM_ERROR("No UMS support in radeon module!\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | return pci_register_driver(pdriver); | 
|  | } | 
|  |  | 
|  | static void __exit radeon_exit(void) | 
|  | { | 
|  | pci_unregister_driver(pdriver); | 
|  | radeon_unregister_atpx_handler(); | 
|  | mmu_notifier_synchronize(); | 
|  | } | 
|  |  | 
|  | module_init(radeon_init); | 
|  | module_exit(radeon_exit); | 
|  |  | 
|  | MODULE_AUTHOR(DRIVER_AUTHOR); | 
|  | MODULE_DESCRIPTION(DRIVER_DESC); | 
|  | MODULE_LICENSE("GPL and additional rights"); |