drm/nouveau: resurrect headless mode since rework
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
parent
5cad16acd2
commit
9430738d80
4 changed files with 51 additions and 35 deletions
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@ -360,6 +360,7 @@ nouveau_display_create(struct drm_device *dev)
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drm_kms_helper_poll_init(dev);
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drm_kms_helper_poll_disable(dev);
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if (nouveau_modeset == 1) {
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if (nv_device(drm->device)->card_type < NV_50)
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ret = nv04_display_create(dev);
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else
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@ -377,6 +378,8 @@ nouveau_display_create(struct drm_device *dev)
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}
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nouveau_backlight_init(dev);
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}
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return 0;
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vblank_err:
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@ -395,6 +398,7 @@ nouveau_display_destroy(struct drm_device *dev)
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nouveau_backlight_exit(dev);
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drm_vblank_cleanup(dev);
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if (disp->dtor)
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disp->dtor(dev);
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drm_kms_helper_poll_fini(dev);
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@ -63,8 +63,9 @@ MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
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static int nouveau_noaccel = 0;
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module_param_named(noaccel, nouveau_noaccel, int, 0400);
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MODULE_PARM_DESC(modeset, "enable driver");
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static int nouveau_modeset = -1;
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MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
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"0 = disabled, 1 = enabled, 2 = headless)");
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int nouveau_modeset = -1;
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module_param_named(modeset, nouveau_modeset, int, 0400);
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static struct drm_driver driver;
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@ -363,6 +364,7 @@ nouveau_drm_unload(struct drm_device *dev)
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nouveau_pm_fini(dev);
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if (dev->mode_config.num_crtc)
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nouveau_display_fini(dev);
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nouveau_display_destroy(dev);
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@ -403,6 +405,7 @@ nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
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pm_state.event == PM_EVENT_PRETHAW)
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return 0;
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if (dev->mode_config.num_crtc) {
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NV_INFO(drm, "suspending fbcon...\n");
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nouveau_fbcon_set_suspend(dev, 1);
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@ -410,6 +413,7 @@ nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
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ret = nouveau_display_suspend(dev);
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if (ret)
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return ret;
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}
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NV_INFO(drm, "evicting buffers...\n");
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ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
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@ -445,8 +449,10 @@ fail_client:
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nouveau_client_init(&cli->base);
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}
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if (dev->mode_config.num_crtc) {
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NV_INFO(drm, "resuming display...\n");
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nouveau_display_resume(dev);
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}
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return ret;
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}
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@ -486,8 +492,10 @@ nouveau_drm_resume(struct pci_dev *pdev)
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nouveau_irq_postinstall(dev);
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nouveau_pm_resume(dev);
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if (dev->mode_config.num_crtc) {
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NV_INFO(drm, "resuming display...\n");
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nouveau_display_resume(dev);
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}
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return 0;
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}
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@ -141,4 +141,6 @@ int nouveau_drm_resume(struct pci_dev *);
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nv_info((cli), fmt, ##args); \
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} while (0)
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extern int nouveau_modeset;
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#endif
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@ -61,6 +61,7 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
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nv_subdev(pmc)->intr(nv_subdev(pmc));
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if (dev->mode_config.num_crtc) {
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if (device->card_type >= NV_D0) {
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if (nv_rd32(device, 0x000100) & 0x04000000)
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nvd0_display_intr(dev);
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@ -69,6 +70,7 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
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if (nv_rd32(device, 0x000100) & 0x04000000)
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nv50_display_intr(dev);
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}
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}
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return IRQ_HANDLED;
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}
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