diff options
author | Dave Airlie <airlied@redhat.com> | 2010-03-01 16:22:38 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2010-03-01 16:22:38 +1000 |
commit | 1c62233508ef7104f8a78e571fdf5c72d0dc0200 (patch) | |
tree | 31e19cbff5c1080d3015d20b24dd43ee95f4ed8c /drivers/gpu/drm/nouveau/nouveau_state.c | |
parent | 6d9c13513661c1991bf5f4e6e1363c721292d819 (diff) | |
parent | 6a9ee8af344e3bd7dbd61e67037096cdf7f83289 (diff) |
Merge branch 'gpu-switcher' of /ssd/git//linux-2.6 into drm-next-stage
* 'gpu-switcher' of /ssd/git//linux-2.6:
vga_switcheroo: initial implementation (v15)
fb: for framebuffer handover don't exit the loop early.
Conflicts:
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/radeon/Makefile
drivers/gpu/drm/radeon/radeon.h
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_state.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 516a8d36cb1..eb8f084d5f5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -29,6 +29,7 @@ #include "drm_sarea.h" #include "drm_crtc_helper.h" #include <linux/vgaarb.h> +#include <linux/vga_switcheroo.h> #include "nouveau_drv.h" #include "nouveau_drm.h" @@ -371,6 +372,30 @@ out_err: return ret; } +static void nouveau_switcheroo_set_state(struct pci_dev *pdev, + enum vga_switcheroo_state state) +{ + pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; + if (state == VGA_SWITCHEROO_ON) { + printk(KERN_ERR "VGA switcheroo: switched nouveau on\n"); + nouveau_pci_resume(pdev); + } else { + printk(KERN_ERR "VGA switcheroo: switched nouveau off\n"); + nouveau_pci_suspend(pdev, pmm); + } +} + +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; +} + int nouveau_card_init(struct drm_device *dev) { @@ -384,6 +409,8 @@ nouveau_card_init(struct drm_device *dev) return 0; vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode); + vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state, + nouveau_switcheroo_can_switch); /* Initialise internal driver API hooks */ ret = nouveau_init_engine_ptrs(dev); @@ -618,11 +645,6 @@ int nouveau_load(struct drm_device *dev, unsigned long flags) NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n", dev->pci_vendor, dev->pci_device, dev->pdev->class); - dev_priv->acpi_dsm = nouveau_dsm_probe(dev); - - if (dev_priv->acpi_dsm) - nouveau_hybrid_setup(dev); - dev_priv->wq = create_workqueue("nouveau"); if (!dev_priv->wq) return -EINVAL; |