From 506ff75c92a44d80da96bc18d9902d29e8236fc6 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Fri, 9 Nov 2012 12:26:14 +0000 Subject: [PATCH] drm/vmwgfx: Refactor module load to not require fifo unless fbdev is loaded This also fixes a bug where the fence manager was left without irq enabled when waiting for fences, causing various errors at module load time Signed-off-by: Thomas Hellstrom Reviewed-by: Brian Paul Reviewed-by: Dmitry Torokhov Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 50 +++++++++++++------------------------ 1 file changed, 18 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index a8b60b8..56973cd 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -609,14 +609,18 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) } } + if (dev_priv->capabilities & SVGA_CAP_IRQMASK) { + ret = drm_irq_install(dev); + if (ret != 0) { + DRM_ERROR("Failed installing irq: %d\n", ret); + goto out_no_irq; + } + } + dev_priv->fman = vmw_fence_manager_init(dev_priv); if (unlikely(dev_priv->fman == NULL)) goto out_no_fman; - /* Need to start the fifo to check if we can do screen objects */ - ret = vmw_3d_resource_inc(dev_priv, true); - if (unlikely(ret != 0)) - goto out_no_fifo; vmw_kms_save_vga(dev_priv); /* Start kms and overlay systems, needs fifo. */ @@ -625,25 +629,11 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) goto out_no_kms; vmw_overlay_init(dev_priv); - /* 3D Depends on Screen Objects being used. */ - DRM_INFO("Detected %sdevice 3D availability.\n", - vmw_fifo_have_3d(dev_priv) ? - "" : "no "); - - /* We might be done with the fifo now */ if (dev_priv->enable_fb) { + ret = vmw_3d_resource_inc(dev_priv, true); + if (unlikely(ret != 0)) + goto out_no_fifo; vmw_fb_init(dev_priv); - } else { - vmw_kms_restore_vga(dev_priv); - vmw_3d_resource_dec(dev_priv, true); - } - - if (dev_priv->capabilities & SVGA_CAP_IRQMASK) { - ret = drm_irq_install(dev); - if (unlikely(ret != 0)) { - DRM_ERROR("Failed installing irq: %d\n", ret); - goto out_no_irq; - } } dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier; @@ -651,20 +641,16 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) return 0; -out_no_irq: - if (dev_priv->enable_fb) - vmw_fb_close(dev_priv); +out_no_fifo: vmw_overlay_close(dev_priv); vmw_kms_close(dev_priv); out_no_kms: - /* We still have a 3D resource reference held */ - if (dev_priv->enable_fb) { - vmw_kms_restore_vga(dev_priv); - vmw_3d_resource_dec(dev_priv, false); - } -out_no_fifo: + vmw_kms_restore_vga(dev_priv); vmw_fence_manager_takedown(dev_priv->fman); out_no_fman: + if (dev_priv->capabilities & SVGA_CAP_IRQMASK) + drm_irq_uninstall(dev_priv->dev); +out_no_irq: if (dev_priv->stealth) pci_release_region(dev->pdev, 2); else @@ -699,8 +685,6 @@ static int vmw_driver_unload(struct drm_device *dev) if (dev_priv->ctx.cmd_bounce) vfree(dev_priv->ctx.cmd_bounce); - if (dev_priv->capabilities & SVGA_CAP_IRQMASK) - drm_irq_uninstall(dev_priv->dev); if (dev_priv->enable_fb) { vmw_fb_close(dev_priv); vmw_kms_restore_vga(dev_priv); @@ -709,6 +693,8 @@ static int vmw_driver_unload(struct drm_device *dev) vmw_kms_close(dev_priv); vmw_overlay_close(dev_priv); vmw_fence_manager_takedown(dev_priv->fman); + if (dev_priv->capabilities & SVGA_CAP_IRQMASK) + drm_irq_uninstall(dev_priv->dev); if (dev_priv->stealth) pci_release_region(dev->pdev, 2); else -- 2.7.4