projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 77145f1c BS |
1 | #include <linux/vgaarb.h> |
| 2 | #include <linux/vga_switcheroo.h> | |
| 3 | ||
| 612a9aab LT |
4 | #include <drm/drmP.h> |
| 5 | #include <drm/drm_crtc_helper.h> | |
| 77145f1c BS |
6 | |
| 7 | #include "nouveau_drm.h" | |
| 8 | #include "nouveau_acpi.h" | |
| 9 | #include "nouveau_fbcon.h" | |
| 5b8a43ae | 10 | #include "nouveau_vga.h" |
| 77145f1c BS |
11 | |
| 12 | static unsigned int | |
| 13 | nouveau_vga_set_decode(void *priv, bool state) | |
| 14 | { | |
| 15 | struct nouveau_device *device = nouveau_dev(priv); | |
| 16 | ||
| 17 | if (device->chipset >= 0x40) | |
| 18 | nv_wr32(device, 0x088054, state); | |
| 19 | else | |
| 20 | nv_wr32(device, 0x001854, state); | |
| 21 | ||
| 22 | if (state) | |
| 23 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
| 24 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
| 25 | else | |
| 26 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
| 27 | } | |
| 28 | ||
| 29 | static void | |
| 30 | nouveau_switcheroo_set_state(struct pci_dev *pdev, | |
| 31 | enum vga_switcheroo_state state) | |
| 32 | { | |
| 33 | struct drm_device *dev = pci_get_drvdata(pdev); | |
| 77145f1c BS |
34 | |
| 35 | if (state == VGA_SWITCHEROO_ON) { | |
| 36 | printk(KERN_ERR "VGA switcheroo: switched nouveau on\n"); | |
| 37 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
| 2d8b9ccb | 38 | nouveau_pmops_resume(&pdev->dev); |
| 77145f1c BS |
39 | drm_kms_helper_poll_enable(dev); |
| 40 | dev->switch_power_state = DRM_SWITCH_POWER_ON; | |
| 41 | } else { | |
| 42 | printk(KERN_ERR "VGA switcheroo: switched nouveau off\n"); | |
| 43 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
| 44 | drm_kms_helper_poll_disable(dev); | |
| 45 | nouveau_switcheroo_optimus_dsm(); | |
| 2d8b9ccb | 46 | nouveau_pmops_suspend(&pdev->dev); |
| 77145f1c BS |
47 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | static void | |
| 52 | nouveau_switcheroo_reprobe(struct pci_dev *pdev) | |
| 53 | { | |
| 54 | struct drm_device *dev = pci_get_drvdata(pdev); | |
| 55 | nouveau_fbcon_output_poll_changed(dev); | |
| 56 | } | |
| 57 | ||
| 58 | static bool | |
| 59 | nouveau_switcheroo_can_switch(struct pci_dev *pdev) | |
| 60 | { | |
| 61 | struct drm_device *dev = pci_get_drvdata(pdev); | |
| 62 | bool can_switch; | |
| 63 | ||
| 64 | spin_lock(&dev->count_lock); | |
| 65 | can_switch = (dev->open_count == 0); | |
| 66 | spin_unlock(&dev->count_lock); | |
| 67 | return can_switch; | |
| 68 | } | |
| 69 | ||
| 70 | static const struct vga_switcheroo_client_ops | |
| 71 | nouveau_switcheroo_ops = { | |
| 72 | .set_gpu_state = nouveau_switcheroo_set_state, | |
| 73 | .reprobe = nouveau_switcheroo_reprobe, | |
| 74 | .can_switch = nouveau_switcheroo_can_switch, | |
| 75 | }; | |
| 76 | ||
| 77 | void | |
| 78 | nouveau_vga_init(struct nouveau_drm *drm) | |
| 79 | { | |
| 80 | struct drm_device *dev = drm->dev; | |
| 81 | vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode); | |
| 82 | vga_switcheroo_register_client(dev->pdev, &nouveau_switcheroo_ops); | |
| 83 | } | |
| 84 | ||
| 85 | void | |
| 86 | nouveau_vga_fini(struct nouveau_drm *drm) | |
| 87 | { | |
| 88 | struct drm_device *dev = drm->dev; | |
| 89 | vga_switcheroo_unregister_client(dev->pdev); | |
| 90 | vga_client_register(dev->pdev, NULL, NULL, NULL); | |
| 91 | } | |
| 92 | ||
| 93 | ||
| 94 | void | |
| 95 | nouveau_vga_lastclose(struct drm_device *dev) | |
| 96 | { | |
| 97 | vga_switcheroo_process_delayed_switch(); | |
| 98 | } |