From 77145f1cbdf8d28b46ff8070ca749bad821e0774 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 31 Jul 2012 16:16:21 +1000 Subject: drm/nouveau: port remainder of drm code, and rip out compat layer v2: Ben Skeggs - fill in nouveau_pm.dev to prevent oops - fix ppc issues (build + OF shadow) Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_vga.c | 98 +++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nouveau_vga.c (limited to 'drivers/gpu/drm/nouveau/nouveau_vga.c') diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c new file mode 100644 index 0000000..9d45544 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -0,0 +1,98 @@ +#include +#include + +#include "drmP.h" +#include "drm_crtc_helper.h" + +#include "nouveau_drm.h" +#include "nouveau_acpi.h" +#include "nouveau_fbcon.h" + +static unsigned int +nouveau_vga_set_decode(void *priv, bool state) +{ + struct nouveau_device *device = nouveau_dev(priv); + + if (device->chipset >= 0x40) + nv_wr32(device, 0x088054, state); + else + nv_wr32(device, 0x001854, state); + + if (state) + return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | + VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; + else + return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; +} + +static void +nouveau_switcheroo_set_state(struct pci_dev *pdev, + enum vga_switcheroo_state state) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; + + if (state == VGA_SWITCHEROO_ON) { + printk(KERN_ERR "VGA switcheroo: switched nouveau on\n"); + dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + nouveau_drm_resume(pdev); + drm_kms_helper_poll_enable(dev); + dev->switch_power_state = DRM_SWITCH_POWER_ON; + } else { + printk(KERN_ERR "VGA switcheroo: switched nouveau off\n"); + dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + drm_kms_helper_poll_disable(dev); + nouveau_switcheroo_optimus_dsm(); + nouveau_drm_suspend(pdev, pmm); + dev->switch_power_state = DRM_SWITCH_POWER_OFF; + } +} + +static void +nouveau_switcheroo_reprobe(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + nouveau_fbcon_output_poll_changed(dev); +} + +static bool +nouveau_switcheroo_can_switch(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + bool can_switch; + + spin_lock(&dev->count_lock); + can_switch = (dev->open_count == 0); + spin_unlock(&dev->count_lock); + return can_switch; +} + +static const struct vga_switcheroo_client_ops +nouveau_switcheroo_ops = { + .set_gpu_state = nouveau_switcheroo_set_state, + .reprobe = nouveau_switcheroo_reprobe, + .can_switch = nouveau_switcheroo_can_switch, +}; + +void +nouveau_vga_init(struct nouveau_drm *drm) +{ + struct drm_device *dev = drm->dev; + vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode); + vga_switcheroo_register_client(dev->pdev, &nouveau_switcheroo_ops); +} + +void +nouveau_vga_fini(struct nouveau_drm *drm) +{ + struct drm_device *dev = drm->dev; + vga_switcheroo_unregister_client(dev->pdev); + vga_client_register(dev->pdev, NULL, NULL, NULL); +} + + +void +nouveau_vga_lastclose(struct drm_device *dev) +{ + vga_switcheroo_process_delayed_switch(); +} -- cgit v1.1