Merge branch 'vmwgfx-fixes-4.0' of git://people.freedesktop.org/~thomash/linux into...

A couple of fixes for vmwgfx.

* 'vmwgfx-fixes-4.0' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: Fix an issue with the device losing its irq line on module unload
  drm/vmwgfx: Correctly NULLify dma buffer pointer on failure
  drm/vmwgfx: Reorder device takedown somewhat
  drm/vmwgfx: Fix a couple of lock dependency violations

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 6c6b655defcf4eac679913e70896810208dfd6ce..e13b9cbc304e9d17a0d5ff55179b2d8b7f93ca7b 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -725,32 +725,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                goto out_err1;
        }
 
-       ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
-                            (dev_priv->vram_size >> PAGE_SHIFT));
-       if (unlikely(ret != 0)) {
-               DRM_ERROR("Failed initializing memory manager for VRAM.\n");
-               goto out_err2;
-       }
-
-       dev_priv->has_gmr = true;
-       if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
-           refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
-                                        VMW_PL_GMR) != 0) {
-               DRM_INFO("No GMR memory available. "
-                        "Graphics memory resources are very limited.\n");
-               dev_priv->has_gmr = false;
-       }
-
-       if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
-               dev_priv->has_mob = true;
-               if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
-                                  VMW_PL_MOB) != 0) {
-                       DRM_INFO("No MOB memory available. "
-                                "3D will be disabled.\n");
-                       dev_priv->has_mob = false;
-               }
-       }
-
        dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start,
                                               dev_priv->mmio_size);
 
@@ -813,6 +787,33 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                goto out_no_fman;
        }
 
+
+       ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
+                            (dev_priv->vram_size >> PAGE_SHIFT));
+       if (unlikely(ret != 0)) {
+               DRM_ERROR("Failed initializing memory manager for VRAM.\n");
+               goto out_no_vram;
+       }
+
+       dev_priv->has_gmr = true;
+       if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
+           refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
+                                        VMW_PL_GMR) != 0) {
+               DRM_INFO("No GMR memory available. "
+                        "Graphics memory resources are very limited.\n");
+               dev_priv->has_gmr = false;
+       }
+
+       if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
+               dev_priv->has_mob = true;
+               if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
+                                  VMW_PL_MOB) != 0) {
+                       DRM_INFO("No MOB memory available. "
+                                "3D will be disabled.\n");
+                       dev_priv->has_mob = false;
+               }
+       }
+
        vmw_kms_save_vga(dev_priv);
 
        /* Start kms and overlay systems, needs fifo. */
@@ -838,6 +839,12 @@ out_no_fifo:
        vmw_kms_close(dev_priv);
 out_no_kms:
        vmw_kms_restore_vga(dev_priv);
+       if (dev_priv->has_mob)
+               (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+       if (dev_priv->has_gmr)
+               (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
+       (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+out_no_vram:
        vmw_fence_manager_takedown(dev_priv->fman);
 out_no_fman:
        if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
@@ -853,12 +860,6 @@ out_err4:
        iounmap(dev_priv->mmio_virt);
 out_err3:
        arch_phys_wc_del(dev_priv->mmio_mtrr);
-       if (dev_priv->has_mob)
-               (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
-       if (dev_priv->has_gmr)
-               (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
-       (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
-out_err2:
        (void)ttm_bo_device_release(&dev_priv->bdev);
 out_err1:
        vmw_ttm_global_release(dev_priv);
@@ -887,6 +888,13 @@ static int vmw_driver_unload(struct drm_device *dev)
        }
        vmw_kms_close(dev_priv);
        vmw_overlay_close(dev_priv);
+
+       if (dev_priv->has_mob)
+               (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+       if (dev_priv->has_gmr)
+               (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
+       (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+
        vmw_fence_manager_takedown(dev_priv->fman);
        if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
                drm_irq_uninstall(dev_priv->dev);
@@ -898,11 +906,6 @@ static int vmw_driver_unload(struct drm_device *dev)
        ttm_object_device_release(&dev_priv->tdev);
        iounmap(dev_priv->mmio_virt);
        arch_phys_wc_del(dev_priv->mmio_mtrr);
-       if (dev_priv->has_mob)
-               (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
-       if (dev_priv->has_gmr)
-               (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
-       (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
        (void)ttm_bo_device_release(&dev_priv->bdev);
        vmw_ttm_global_release(dev_priv);
 
@@ -1235,6 +1238,7 @@ static void vmw_remove(struct pci_dev *pdev)
 {
        struct drm_device *dev = pci_get_drvdata(pdev);
 
+       pci_disable_device(pdev);
        drm_put_dev(dev);
 }
 

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 33176d05db3542903f1c919b59f68cad2da22044..654c8daeb5ab3d0dd84a2ed1d32af633d6955ac9 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -890,7 +890,8 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
        ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
        if (unlikely(ret != 0)) {
                DRM_ERROR("Could not find or use MOB buffer.\n");
-               return -EINVAL;
+               ret = -EINVAL;
+               goto out_no_reloc;
        }
        bo = &vmw_bo->base;
 
@@ -914,7 +915,7 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
 
 out_no_reloc:
        vmw_dmabuf_unreference(&vmw_bo);
-       vmw_bo_p = NULL;
+       *vmw_bo_p = NULL;
        return ret;
 }
 
@@ -951,7 +952,8 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
        ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
        if (unlikely(ret != 0)) {
                DRM_ERROR("Could not find or use GMR region.\n");
-               return -EINVAL;
+               ret = -EINVAL;
+               goto out_no_reloc;
        }
        bo = &vmw_bo->base;
 
@@ -974,7 +976,7 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
 
 out_no_reloc:
        vmw_dmabuf_unreference(&vmw_bo);
-       vmw_bo_p = NULL;
+       *vmw_bo_p = NULL;
        return ret;
 }
 
@@ -2780,13 +2782,11 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
                                  NULL, arg->command_size, arg->throttle_us,
                                  (void __user *)(unsigned long)arg->fence_rep,
                                  NULL);
-
+       ttm_read_unlock(&dev_priv->reservation_sem);
        if (unlikely(ret != 0))
-               goto out_unlock;
+               return ret;
 
        vmw_kms_cursor_post_execbuf(dev_priv);
 
-out_unlock:
-       ttm_read_unlock(&dev_priv->reservation_sem);
-       return ret;
+       return 0;
 }

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 8725b79e7847d68239a25413c482883e44024704..07cda8cbbddbcb5e6f56127c57dac0e683541fb9 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -2033,23 +2033,17 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
        int i;
        struct drm_mode_config *mode_config = &dev->mode_config;
 
-       ret = ttm_read_lock(&dev_priv->reservation_sem, true);
-       if (unlikely(ret != 0))
-               return ret;
-
        if (!arg->num_outputs) {
                struct drm_vmw_rect def_rect = {0, 0, 800, 600};
                vmw_du_update_layout(dev_priv, 1, &def_rect);
-               goto out_unlock;
+               return 0;
        }
 
        rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
        rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
                        GFP_KERNEL);
-       if (unlikely(!rects)) {
-               ret = -ENOMEM;
-               goto out_unlock;
-       }
+       if (unlikely(!rects))
+               return -ENOMEM;
 
        user_rects = (void __user *)(unsigned long)arg->rects;
        ret = copy_from_user(rects, user_rects, rects_size);
@@ -2074,7 +2068,5 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 
 out_free:
        kfree(rects);
-out_unlock:
-       ttm_read_unlock(&dev_priv->reservation_sem);
        return ret;
 }