diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c new file mode 100644 index 000000000000..d1af448795f3 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -0,0 +1,439 @@ +/** + * \file amdgpu_drv.c + * AMD Amdgpu 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 <drm/drmP.h> +#include <drm/amdgpu_drm.h> +#include <drm/drm_gem.h> +#include "amdgpu_drv.h" + +#include <drm/drm_pciids.h> +#include <linux/console.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/vga_switcheroo.h> +#include "drm_crtc_helper.h" + +#include "amdgpu.h" +#include "amdgpu_irq.h" + +/* + * KMS wrapper. + * - 3.0.0 - initial driver + */ +#define KMS_DRIVER_MAJOR 3 +#define KMS_DRIVER_MINOR 0 +#define KMS_DRIVER_PATCHLEVEL 0 + +int amdgpu_vram_limit = 0; +int amdgpu_gart_size = -1; /* auto */ +int amdgpu_benchmarking = 0; +int amdgpu_testing = 0; +int amdgpu_audio = -1; +int amdgpu_disp_priority = 0; +int amdgpu_hw_i2c = 0; +int amdgpu_pcie_gen2 = -1; +int amdgpu_msi = -1; +int amdgpu_lockup_timeout = 10000; +int amdgpu_dpm = -1; +int amdgpu_smc_load_fw = 1; +int amdgpu_aspm = -1; +int amdgpu_runtime_pm = -1; +int amdgpu_hard_reset = 0; +unsigned amdgpu_ip_block_mask = 0xffffffff; +int amdgpu_bapm = -1; +int amdgpu_deep_color = 0; +int amdgpu_vm_size = 8; +int amdgpu_vm_block_size = -1; +int amdgpu_exp_hw_support = 0; + +MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); +module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); + +MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)"); +module_param_named(gartsize, amdgpu_gart_size, int, 0600); + +MODULE_PARM_DESC(benchmark, "Run benchmark"); +module_param_named(benchmark, amdgpu_benchmarking, int, 0444); + +MODULE_PARM_DESC(test, "Run tests"); +module_param_named(test, amdgpu_testing, int, 0444); + +MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)"); +module_param_named(audio, amdgpu_audio, int, 0444); + +MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); +module_param_named(disp_priority, amdgpu_disp_priority, int, 0444); + +MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); +module_param_named(hw_i2c, amdgpu_hw_i2c, int, 0444); + +MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); +module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444); + +MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); +module_param_named(msi, amdgpu_msi, int, 0444); + +MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)"); +module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444); + +MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)"); +module_param_named(dpm, amdgpu_dpm, int, 0444); + +MODULE_PARM_DESC(smc_load_fw, "SMC firmware loading(1 = enable, 0 = disable)"); +module_param_named(smc_load_fw, amdgpu_smc_load_fw, int, 0444); + +MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)"); +module_param_named(aspm, amdgpu_aspm, int, 0444); + +MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)"); +module_param_named(runpm, amdgpu_runtime_pm, int, 0444); + +MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))"); +module_param_named(hard_reset, amdgpu_hard_reset, int, 0444); + +MODULE_PARM_DESC(ip_block_mask, "IP Block Mask (all blocks enabled (default))"); +module_param_named(ip_block_mask, amdgpu_ip_block_mask, uint, 0444); + +MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)"); +module_param_named(bapm, amdgpu_bapm, int, 0444); + +MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))"); +module_param_named(deep_color, amdgpu_deep_color, int, 0444); + +MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)"); +module_param_named(vm_size, amdgpu_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, amdgpu_vm_block_size, int, 0444); + +MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))"); +module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444); + +static struct pci_device_id pciidlist[] = { + + {0, 0, 0} +}; + +MODULE_DEVICE_TABLE(pci, pciidlist); + +static struct drm_driver kms_driver; + +static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev) +{ + struct apertures_struct *ap; + bool primary = false; + + ap = alloc_apertures(1); + if (!ap) + return -ENOMEM; + + ap->ranges[0].base = pci_resource_start(pdev, 0); + ap->ranges[0].size = pci_resource_len(pdev, 0); + +#ifdef CONFIG_X86 + primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; +#endif + remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary); + kfree(ap); + + return 0; +} + +static int amdgpu_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + unsigned long flags = ent->driver_data; + int ret; + + if ((flags & AMDGPU_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) { + DRM_INFO("This hardware requires experimental hardware support.\n" + "See modparam exp_hw_support\n"); + return -ENODEV; + } + + /* Get rid of things like offb */ + ret = amdgpu_kick_out_firmware_fb(pdev); + if (ret) + return ret; + + return drm_get_pci_dev(pdev, ent, &kms_driver); +} + +static void +amdgpu_pci_remove(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + + drm_put_dev(dev); +} + +static int amdgpu_pmops_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + return amdgpu_suspend_kms(drm_dev, true, true); +} + +static int amdgpu_pmops_resume(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + return amdgpu_resume_kms(drm_dev, true, true); +} + +static int amdgpu_pmops_freeze(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + return amdgpu_suspend_kms(drm_dev, false, true); +} + +static int amdgpu_pmops_thaw(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + return amdgpu_resume_kms(drm_dev, false, true); +} + +static int amdgpu_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 (!amdgpu_device_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); + vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); + + ret = amdgpu_suspend_kms(drm_dev, false, false); + pci_save_state(pdev); + pci_disable_device(pdev); + pci_ignore_hotplug(pdev); + pci_set_power_state(pdev, PCI_D3cold); + drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; + + return 0; +} + +static int amdgpu_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 (!amdgpu_device_is_px(drm_dev)) + return -EINVAL; + + drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + + 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 = amdgpu_resume_kms(drm_dev, false, false); + drm_kms_helper_poll_enable(drm_dev); + vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); + drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; + return 0; +} + +static int amdgpu_pmops_runtime_idle(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct drm_crtc *crtc; + + if (!amdgpu_device_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 amdgpu_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; +} + +static const struct dev_pm_ops amdgpu_pm_ops = { + .suspend = amdgpu_pmops_suspend, + .resume = amdgpu_pmops_resume, + .freeze = amdgpu_pmops_freeze, + .thaw = amdgpu_pmops_thaw, + .poweroff = amdgpu_pmops_freeze, + .restore = amdgpu_pmops_resume, + .runtime_suspend = amdgpu_pmops_runtime_suspend, + .runtime_resume = amdgpu_pmops_runtime_resume, + .runtime_idle = amdgpu_pmops_runtime_idle, +}; + +static const struct file_operations amdgpu_driver_kms_fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .unlocked_ioctl = amdgpu_drm_ioctl, + .mmap = amdgpu_mmap, + .poll = drm_poll, + .read = drm_read, +#ifdef CONFIG_COMPAT + .compat_ioctl = amdgpu_kms_compat_ioctl, +#endif +}; + +static struct drm_driver kms_driver = { + .driver_features = + DRIVER_USE_AGP | + DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | + DRIVER_PRIME | DRIVER_RENDER, + .dev_priv_size = 0, + .load = amdgpu_driver_load_kms, + .open = amdgpu_driver_open_kms, + .preclose = amdgpu_driver_preclose_kms, + .postclose = amdgpu_driver_postclose_kms, + .lastclose = amdgpu_driver_lastclose_kms, + .set_busid = drm_pci_set_busid, + .unload = amdgpu_driver_unload_kms, + .get_vblank_counter = amdgpu_get_vblank_counter_kms, + .enable_vblank = amdgpu_enable_vblank_kms, + .disable_vblank = amdgpu_disable_vblank_kms, + .get_vblank_timestamp = amdgpu_get_vblank_timestamp_kms, + .get_scanout_position = amdgpu_get_crtc_scanoutpos, +#if defined(CONFIG_DEBUG_FS) + .debugfs_init = amdgpu_debugfs_init, + .debugfs_cleanup = amdgpu_debugfs_cleanup, +#endif + .irq_preinstall = amdgpu_irq_preinstall, + .irq_postinstall = amdgpu_irq_postinstall, + .irq_uninstall = amdgpu_irq_uninstall, + .irq_handler = amdgpu_irq_handler, + .ioctls = amdgpu_ioctls_kms, + .gem_free_object = amdgpu_gem_object_free, + .gem_open_object = amdgpu_gem_object_open, + .gem_close_object = amdgpu_gem_object_close, + .dumb_create = amdgpu_mode_dumb_create, + .dumb_map_offset = amdgpu_mode_dumb_mmap, + .dumb_destroy = drm_gem_dumb_destroy, + .fops = &amdgpu_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 = amdgpu_gem_prime_export, + .gem_prime_import = drm_gem_prime_import, + .gem_prime_pin = amdgpu_gem_prime_pin, + .gem_prime_unpin = amdgpu_gem_prime_unpin, + .gem_prime_res_obj = amdgpu_gem_prime_res_obj, + .gem_prime_get_sg_table = amdgpu_gem_prime_get_sg_table, + .gem_prime_import_sg_table = amdgpu_gem_prime_import_sg_table, + .gem_prime_vmap = amdgpu_gem_prime_vmap, + .gem_prime_vunmap = amdgpu_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 amdgpu_kms_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = amdgpu_pci_probe, + .remove = amdgpu_pci_remove, + .driver.pm = &amdgpu_pm_ops, +}; + +static int __init amdgpu_init(void) +{ +#ifdef CONFIG_VGA_CONSOLE + if (vgacon_text_force()) { + DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n"); + return -EINVAL; + } +#endif + DRM_INFO("amdgpu kernel modesetting enabled.\n"); + driver = &kms_driver; + pdriver = &amdgpu_kms_pci_driver; + driver->driver_features |= DRIVER_MODESET; + driver->num_ioctls = amdgpu_max_kms_ioctl; + amdgpu_register_atpx_handler(); + + /* let modprobe override vga console setting */ + return drm_pci_init(driver, pdriver); +} + +static void __exit amdgpu_exit(void) +{ + drm_pci_exit(driver, pdriver); + amdgpu_unregister_atpx_handler(); +} + +module_init(amdgpu_init); +module_exit(amdgpu_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); |