cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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radeon_drv.c (22930B)


      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_crtc_helper.h>
     42#include <drm/drm_drv.h>
     43#include <drm/drm_fb_helper.h>
     44#include <drm/drm_file.h>
     45#include <drm/drm_gem.h>
     46#include <drm/drm_ioctl.h>
     47#include <drm/drm_pciids.h>
     48#include <drm/drm_probe_helper.h>
     49#include <drm/drm_vblank.h>
     50#include <drm/radeon_drm.h>
     51
     52#include "radeon_drv.h"
     53#include "radeon.h"
     54#include "radeon_kms.h"
     55#include "radeon_ttm.h"
     56#include "radeon_device.h"
     57#include "radeon_prime.h"
     58
     59/*
     60 * KMS wrapper.
     61 * - 2.0.0 - initial interface
     62 * - 2.1.0 - add square tiling interface
     63 * - 2.2.0 - add r6xx/r7xx const buffer support
     64 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
     65 * - 2.4.0 - add crtc id query
     66 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
     67 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
     68 *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
     69 *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
     70 *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
     71 *   2.10.0 - fusion 2D tiling
     72 *   2.11.0 - backend map, initial compute support for the CS checker
     73 *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
     74 *   2.13.0 - virtual memory support, streamout
     75 *   2.14.0 - add evergreen tiling informations
     76 *   2.15.0 - add max_pipes query
     77 *   2.16.0 - fix evergreen 2D tiled surface calculation
     78 *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
     79 *   2.18.0 - r600-eg: allow "invalid" DB formats
     80 *   2.19.0 - r600-eg: MSAA textures
     81 *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
     82 *   2.21.0 - r600-r700: FMASK and CMASK
     83 *   2.22.0 - r600 only: RESOLVE_BOX allowed
     84 *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
     85 *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
     86 *   2.25.0 - eg+: new info request for num SE and num SH
     87 *   2.26.0 - r600-eg: fix htile size computation
     88 *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
     89 *   2.28.0 - r600-eg: Add MEM_WRITE packet support
     90 *   2.29.0 - R500 FP16 color clear registers
     91 *   2.30.0 - fix for FMASK texturing
     92 *   2.31.0 - Add fastfb support for rs690
     93 *   2.32.0 - new info request for rings working
     94 *   2.33.0 - Add SI tiling mode array query
     95 *   2.34.0 - Add CIK tiling mode array query
     96 *   2.35.0 - Add CIK macrotile mode array query
     97 *   2.36.0 - Fix CIK DCE tiling setup
     98 *   2.37.0 - allow GS ring setup on r6xx/r7xx
     99 *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
    100 *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
    101 *   2.39.0 - Add INFO query for number of active CUs
    102 *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
    103 *            CS to GPU on >= r600
    104 *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
    105 *   2.42.0 - Add VCE/VUI (Video Usability Information) support
    106 *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
    107 *   2.44.0 - SET_APPEND_CNT packet3 support
    108 *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
    109 *   2.46.0 - Add PFP_SYNC_ME support on evergreen
    110 *   2.47.0 - Add UVD_NO_OP register support
    111 *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
    112 *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
    113 *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
    114 */
    115#define KMS_DRIVER_MAJOR	2
    116#define KMS_DRIVER_MINOR	50
    117#define KMS_DRIVER_PATCHLEVEL	0
    118int radeon_suspend_kms(struct drm_device *dev, bool suspend,
    119		       bool fbcon, bool freeze);
    120int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
    121extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
    122				      unsigned int flags, int *vpos, int *hpos,
    123				      ktime_t *stime, ktime_t *etime,
    124				      const struct drm_display_mode *mode);
    125extern bool radeon_is_px(struct drm_device *dev);
    126int radeon_mode_dumb_mmap(struct drm_file *filp,
    127			  struct drm_device *dev,
    128			  uint32_t handle, uint64_t *offset_p);
    129int radeon_mode_dumb_create(struct drm_file *file_priv,
    130			    struct drm_device *dev,
    131			    struct drm_mode_create_dumb *args);
    132
    133/* atpx handler */
    134#if defined(CONFIG_VGA_SWITCHEROO)
    135void radeon_register_atpx_handler(void);
    136void radeon_unregister_atpx_handler(void);
    137bool radeon_has_atpx_dgpu_power_cntl(void);
    138bool radeon_is_atpx_hybrid(void);
    139#else
    140static inline void radeon_register_atpx_handler(void) {}
    141static inline void radeon_unregister_atpx_handler(void) {}
    142static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
    143static inline bool radeon_is_atpx_hybrid(void) { return false; }
    144#endif
    145
    146int radeon_no_wb;
    147int radeon_modeset = -1;
    148int radeon_dynclks = -1;
    149int radeon_r4xx_atom = 0;
    150int radeon_agpmode = -1;
    151int radeon_vram_limit = 0;
    152int radeon_gart_size = -1; /* auto */
    153int radeon_benchmarking = 0;
    154int radeon_testing = 0;
    155int radeon_connector_table = 0;
    156int radeon_tv = 1;
    157int radeon_audio = -1;
    158int radeon_disp_priority = 0;
    159int radeon_hw_i2c = 0;
    160int radeon_pcie_gen2 = -1;
    161int radeon_msi = -1;
    162int radeon_lockup_timeout = 10000;
    163int radeon_fastfb = 0;
    164int radeon_dpm = -1;
    165int radeon_aspm = -1;
    166int radeon_runtime_pm = -1;
    167int radeon_hard_reset = 0;
    168int radeon_vm_size = 8;
    169int radeon_vm_block_size = -1;
    170int radeon_deep_color = 0;
    171int radeon_use_pflipirq = 2;
    172int radeon_bapm = -1;
    173int radeon_backlight = -1;
    174int radeon_auxch = -1;
    175int radeon_mst = 0;
    176int radeon_uvd = 1;
    177int radeon_vce = 1;
    178
    179MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
    180module_param_named(no_wb, radeon_no_wb, int, 0444);
    181
    182MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
    183module_param_named(modeset, radeon_modeset, int, 0400);
    184
    185MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
    186module_param_named(dynclks, radeon_dynclks, int, 0444);
    187
    188MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
    189module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
    190
    191MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
    192module_param_named(vramlimit, radeon_vram_limit, int, 0600);
    193
    194MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
    195module_param_named(agpmode, radeon_agpmode, int, 0444);
    196
    197MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
    198module_param_named(gartsize, radeon_gart_size, int, 0600);
    199
    200MODULE_PARM_DESC(benchmark, "Run benchmark");
    201module_param_named(benchmark, radeon_benchmarking, int, 0444);
    202
    203MODULE_PARM_DESC(test, "Run tests");
    204module_param_named(test, radeon_testing, int, 0444);
    205
    206MODULE_PARM_DESC(connector_table, "Force connector table");
    207module_param_named(connector_table, radeon_connector_table, int, 0444);
    208
    209MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
    210module_param_named(tv, radeon_tv, int, 0444);
    211
    212MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
    213module_param_named(audio, radeon_audio, int, 0444);
    214
    215MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
    216module_param_named(disp_priority, radeon_disp_priority, int, 0444);
    217
    218MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
    219module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
    220
    221MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
    222module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
    223
    224MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
    225module_param_named(msi, radeon_msi, int, 0444);
    226
    227MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
    228module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
    229
    230MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
    231module_param_named(fastfb, radeon_fastfb, int, 0444);
    232
    233MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
    234module_param_named(dpm, radeon_dpm, int, 0444);
    235
    236MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
    237module_param_named(aspm, radeon_aspm, int, 0444);
    238
    239MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
    240module_param_named(runpm, radeon_runtime_pm, int, 0444);
    241
    242MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
    243module_param_named(hard_reset, radeon_hard_reset, int, 0444);
    244
    245MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
    246module_param_named(vm_size, radeon_vm_size, int, 0444);
    247
    248MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
    249module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
    250
    251MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
    252module_param_named(deep_color, radeon_deep_color, int, 0444);
    253
    254MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
    255module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
    256
    257MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
    258module_param_named(bapm, radeon_bapm, int, 0444);
    259
    260MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
    261module_param_named(backlight, radeon_backlight, int, 0444);
    262
    263MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
    264module_param_named(auxch, radeon_auxch, int, 0444);
    265
    266MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
    267module_param_named(mst, radeon_mst, int, 0444);
    268
    269MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
    270module_param_named(uvd, radeon_uvd, int, 0444);
    271
    272MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
    273module_param_named(vce, radeon_vce, int, 0444);
    274
    275int radeon_si_support = 1;
    276MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
    277module_param_named(si_support, radeon_si_support, int, 0444);
    278
    279int radeon_cik_support = 1;
    280MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
    281module_param_named(cik_support, radeon_cik_support, int, 0444);
    282
    283static struct pci_device_id pciidlist[] = {
    284	radeon_PCI_IDS
    285};
    286
    287MODULE_DEVICE_TABLE(pci, pciidlist);
    288
    289static const struct drm_driver kms_driver;
    290
    291static int radeon_pci_probe(struct pci_dev *pdev,
    292			    const struct pci_device_id *ent)
    293{
    294	unsigned long flags = 0;
    295	struct drm_device *dev;
    296	int ret;
    297
    298	if (!ent)
    299		return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */
    300
    301	flags = ent->driver_data;
    302
    303	if (!radeon_si_support) {
    304		switch (flags & RADEON_FAMILY_MASK) {
    305		case CHIP_TAHITI:
    306		case CHIP_PITCAIRN:
    307		case CHIP_VERDE:
    308		case CHIP_OLAND:
    309		case CHIP_HAINAN:
    310			dev_info(&pdev->dev,
    311				 "SI support disabled by module param\n");
    312			return -ENODEV;
    313		}
    314	}
    315	if (!radeon_cik_support) {
    316		switch (flags & RADEON_FAMILY_MASK) {
    317		case CHIP_KAVERI:
    318		case CHIP_BONAIRE:
    319		case CHIP_HAWAII:
    320		case CHIP_KABINI:
    321		case CHIP_MULLINS:
    322			dev_info(&pdev->dev,
    323				 "CIK support disabled by module param\n");
    324			return -ENODEV;
    325		}
    326	}
    327
    328	if (vga_switcheroo_client_probe_defer(pdev))
    329		return -EPROBE_DEFER;
    330
    331	/* Get rid of things like offb */
    332	ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &kms_driver);
    333	if (ret)
    334		return ret;
    335
    336	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
    337	if (IS_ERR(dev))
    338		return PTR_ERR(dev);
    339
    340	ret = pci_enable_device(pdev);
    341	if (ret)
    342		goto err_free;
    343
    344	pci_set_drvdata(pdev, dev);
    345
    346	ret = drm_dev_register(dev, ent->driver_data);
    347	if (ret)
    348		goto err_agp;
    349
    350	return 0;
    351
    352err_agp:
    353	pci_disable_device(pdev);
    354err_free:
    355	drm_dev_put(dev);
    356	return ret;
    357}
    358
    359static void
    360radeon_pci_remove(struct pci_dev *pdev)
    361{
    362	struct drm_device *dev = pci_get_drvdata(pdev);
    363
    364	drm_put_dev(dev);
    365}
    366
    367static void
    368radeon_pci_shutdown(struct pci_dev *pdev)
    369{
    370	/* if we are running in a VM, make sure the device
    371	 * torn down properly on reboot/shutdown
    372	 */
    373	if (radeon_device_is_virtual())
    374		radeon_pci_remove(pdev);
    375
    376#if defined(CONFIG_PPC64) || defined(CONFIG_MACH_LOONGSON64)
    377	/*
    378	 * Some adapters need to be suspended before a
    379	 * shutdown occurs in order to prevent an error
    380	 * during kexec, shutdown or reboot.
    381	 * Make this power and Loongson specific because
    382	 * it breaks some other boards.
    383	 */
    384	radeon_suspend_kms(pci_get_drvdata(pdev), true, true, false);
    385#endif
    386}
    387
    388static int radeon_pmops_suspend(struct device *dev)
    389{
    390	struct drm_device *drm_dev = dev_get_drvdata(dev);
    391	return radeon_suspend_kms(drm_dev, true, true, false);
    392}
    393
    394static int radeon_pmops_resume(struct device *dev)
    395{
    396	struct drm_device *drm_dev = dev_get_drvdata(dev);
    397
    398	/* GPU comes up enabled by the bios on resume */
    399	if (radeon_is_px(drm_dev)) {
    400		pm_runtime_disable(dev);
    401		pm_runtime_set_active(dev);
    402		pm_runtime_enable(dev);
    403	}
    404
    405	return radeon_resume_kms(drm_dev, true, true);
    406}
    407
    408static int radeon_pmops_freeze(struct device *dev)
    409{
    410	struct drm_device *drm_dev = dev_get_drvdata(dev);
    411	return radeon_suspend_kms(drm_dev, false, true, true);
    412}
    413
    414static int radeon_pmops_thaw(struct device *dev)
    415{
    416	struct drm_device *drm_dev = dev_get_drvdata(dev);
    417	return radeon_resume_kms(drm_dev, false, true);
    418}
    419
    420static int radeon_pmops_runtime_suspend(struct device *dev)
    421{
    422	struct pci_dev *pdev = to_pci_dev(dev);
    423	struct drm_device *drm_dev = pci_get_drvdata(pdev);
    424
    425	if (!radeon_is_px(drm_dev)) {
    426		pm_runtime_forbid(dev);
    427		return -EBUSY;
    428	}
    429
    430	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
    431	drm_kms_helper_poll_disable(drm_dev);
    432
    433	radeon_suspend_kms(drm_dev, false, false, false);
    434	pci_save_state(pdev);
    435	pci_disable_device(pdev);
    436	pci_ignore_hotplug(pdev);
    437	if (radeon_is_atpx_hybrid())
    438		pci_set_power_state(pdev, PCI_D3cold);
    439	else if (!radeon_has_atpx_dgpu_power_cntl())
    440		pci_set_power_state(pdev, PCI_D3hot);
    441	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
    442
    443	return 0;
    444}
    445
    446static int radeon_pmops_runtime_resume(struct device *dev)
    447{
    448	struct pci_dev *pdev = to_pci_dev(dev);
    449	struct drm_device *drm_dev = pci_get_drvdata(pdev);
    450	int ret;
    451
    452	if (!radeon_is_px(drm_dev))
    453		return -EINVAL;
    454
    455	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
    456
    457	if (radeon_is_atpx_hybrid() ||
    458	    !radeon_has_atpx_dgpu_power_cntl())
    459		pci_set_power_state(pdev, PCI_D0);
    460	pci_restore_state(pdev);
    461	ret = pci_enable_device(pdev);
    462	if (ret)
    463		return ret;
    464	pci_set_master(pdev);
    465
    466	ret = radeon_resume_kms(drm_dev, false, false);
    467	drm_kms_helper_poll_enable(drm_dev);
    468	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
    469	return 0;
    470}
    471
    472static int radeon_pmops_runtime_idle(struct device *dev)
    473{
    474	struct drm_device *drm_dev = dev_get_drvdata(dev);
    475	struct drm_crtc *crtc;
    476
    477	if (!radeon_is_px(drm_dev)) {
    478		pm_runtime_forbid(dev);
    479		return -EBUSY;
    480	}
    481
    482	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
    483		if (crtc->enabled) {
    484			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
    485			return -EBUSY;
    486		}
    487	}
    488
    489	pm_runtime_mark_last_busy(dev);
    490	pm_runtime_autosuspend(dev);
    491	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
    492	return 1;
    493}
    494
    495long radeon_drm_ioctl(struct file *filp,
    496		      unsigned int cmd, unsigned long arg)
    497{
    498	struct drm_file *file_priv = filp->private_data;
    499	struct drm_device *dev;
    500	long ret;
    501	dev = file_priv->minor->dev;
    502	ret = pm_runtime_get_sync(dev->dev);
    503	if (ret < 0) {
    504		pm_runtime_put_autosuspend(dev->dev);
    505		return ret;
    506	}
    507
    508	ret = drm_ioctl(filp, cmd, arg);
    509
    510	pm_runtime_mark_last_busy(dev->dev);
    511	pm_runtime_put_autosuspend(dev->dev);
    512	return ret;
    513}
    514
    515#ifdef CONFIG_COMPAT
    516static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
    517{
    518	unsigned int nr = DRM_IOCTL_NR(cmd);
    519	int ret;
    520
    521	if (nr < DRM_COMMAND_BASE)
    522		return drm_compat_ioctl(filp, cmd, arg);
    523
    524	ret = radeon_drm_ioctl(filp, cmd, arg);
    525
    526	return ret;
    527}
    528#endif
    529
    530static const struct dev_pm_ops radeon_pm_ops = {
    531	.suspend = radeon_pmops_suspend,
    532	.resume = radeon_pmops_resume,
    533	.freeze = radeon_pmops_freeze,
    534	.thaw = radeon_pmops_thaw,
    535	.poweroff = radeon_pmops_freeze,
    536	.restore = radeon_pmops_resume,
    537	.runtime_suspend = radeon_pmops_runtime_suspend,
    538	.runtime_resume = radeon_pmops_runtime_resume,
    539	.runtime_idle = radeon_pmops_runtime_idle,
    540};
    541
    542static const struct file_operations radeon_driver_kms_fops = {
    543	.owner = THIS_MODULE,
    544	.open = drm_open,
    545	.release = drm_release,
    546	.unlocked_ioctl = radeon_drm_ioctl,
    547	.mmap = drm_gem_mmap,
    548	.poll = drm_poll,
    549	.read = drm_read,
    550#ifdef CONFIG_COMPAT
    551	.compat_ioctl = radeon_kms_compat_ioctl,
    552#endif
    553};
    554
    555static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
    556	DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
    557	DRM_IOCTL_DEF_DRV(RADEON_CP_START, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
    558	DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
    559	DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
    560	DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, drm_invalid_op, DRM_AUTH),
    561	DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, drm_invalid_op, DRM_AUTH),
    562	DRM_IOCTL_DEF_DRV(RADEON_RESET, drm_invalid_op, DRM_AUTH),
    563	DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, drm_invalid_op, DRM_AUTH),
    564	DRM_IOCTL_DEF_DRV(RADEON_SWAP, drm_invalid_op, DRM_AUTH),
    565	DRM_IOCTL_DEF_DRV(RADEON_CLEAR, drm_invalid_op, DRM_AUTH),
    566	DRM_IOCTL_DEF_DRV(RADEON_VERTEX, drm_invalid_op, DRM_AUTH),
    567	DRM_IOCTL_DEF_DRV(RADEON_INDICES, drm_invalid_op, DRM_AUTH),
    568	DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, drm_invalid_op, DRM_AUTH),
    569	DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, drm_invalid_op, DRM_AUTH),
    570	DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
    571	DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, drm_invalid_op, DRM_AUTH),
    572	DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, drm_invalid_op, DRM_AUTH),
    573	DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, drm_invalid_op, DRM_AUTH),
    574	DRM_IOCTL_DEF_DRV(RADEON_FLIP, drm_invalid_op, DRM_AUTH),
    575	DRM_IOCTL_DEF_DRV(RADEON_ALLOC, drm_invalid_op, DRM_AUTH),
    576	DRM_IOCTL_DEF_DRV(RADEON_FREE, drm_invalid_op, DRM_AUTH),
    577	DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
    578	DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, drm_invalid_op, DRM_AUTH),
    579	DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, drm_invalid_op, DRM_AUTH),
    580	DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, drm_invalid_op, DRM_AUTH),
    581	DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, drm_invalid_op, DRM_AUTH),
    582	DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, drm_invalid_op, DRM_AUTH),
    583	/* KMS */
    584	DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    585	DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    586	DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    587	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    588	DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH),
    589	DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH),
    590	DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    591	DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    592	DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    593	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    594	DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    595	DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    596	DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    597	DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    598	DRM_IOCTL_DEF_DRV(RADEON_GEM_USERPTR, radeon_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
    599};
    600
    601static const struct drm_driver kms_driver = {
    602	.driver_features =
    603	    DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
    604	.load = radeon_driver_load_kms,
    605	.open = radeon_driver_open_kms,
    606	.postclose = radeon_driver_postclose_kms,
    607	.lastclose = radeon_driver_lastclose_kms,
    608	.unload = radeon_driver_unload_kms,
    609	.ioctls = radeon_ioctls_kms,
    610	.num_ioctls = ARRAY_SIZE(radeon_ioctls_kms),
    611	.dumb_create = radeon_mode_dumb_create,
    612	.dumb_map_offset = radeon_mode_dumb_mmap,
    613	.fops = &radeon_driver_kms_fops,
    614
    615	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
    616	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
    617	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
    618	.gem_prime_mmap = drm_gem_prime_mmap,
    619
    620	.name = DRIVER_NAME,
    621	.desc = DRIVER_DESC,
    622	.date = DRIVER_DATE,
    623	.major = KMS_DRIVER_MAJOR,
    624	.minor = KMS_DRIVER_MINOR,
    625	.patchlevel = KMS_DRIVER_PATCHLEVEL,
    626};
    627
    628static struct pci_driver radeon_kms_pci_driver = {
    629	.name = DRIVER_NAME,
    630	.id_table = pciidlist,
    631	.probe = radeon_pci_probe,
    632	.remove = radeon_pci_remove,
    633	.shutdown = radeon_pci_shutdown,
    634	.driver.pm = &radeon_pm_ops,
    635};
    636
    637static int __init radeon_module_init(void)
    638{
    639	if (drm_firmware_drivers_only() && radeon_modeset == -1)
    640		radeon_modeset = 0;
    641
    642	if (radeon_modeset == 0)
    643		return -EINVAL;
    644
    645	DRM_INFO("radeon kernel modesetting enabled.\n");
    646	radeon_register_atpx_handler();
    647
    648	return pci_register_driver(&radeon_kms_pci_driver);
    649}
    650
    651static void __exit radeon_module_exit(void)
    652{
    653	pci_unregister_driver(&radeon_kms_pci_driver);
    654	radeon_unregister_atpx_handler();
    655	mmu_notifier_synchronize();
    656}
    657
    658module_init(radeon_module_init);
    659module_exit(radeon_module_exit);
    660
    661MODULE_AUTHOR(DRIVER_AUTHOR);
    662MODULE_DESCRIPTION(DRIVER_DESC);
    663MODULE_LICENSE("GPL and additional rights");