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| author |   Thomas Zimmermann <tzimmermann@suse.de> | 2021-09-16 20:16:01 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-09-23 09:26:09 +0200 |
| commit | c6dc899e4c1c360d0780301901980c924ce98748 (patch) | |
| tree | 19ccee1264cbe86d674cf108be99b3b40e6fd5de /drivers/gpu/drm/vboxvideo | |
| parent | drm/mgag200: Use managed interfaces for framebuffer write combining (diff) | |
| download | linux-dev-c6dc899e4c1c360d0780301901980c924ce98748.tar.xz linux-dev-c6dc899e4c1c360d0780301901980c924ce98748.zip | |
drm/vboxvideo: Use managed interfaces for framebuffer write combining
Replace arch_phys_wc_add() with the rsp managed function. Allows for
removing the cleanup code for memory management
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210916181601.9146-6-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/vboxvideo')
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_drv.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_ttm.c | 17 |
3 files changed, 9 insertions, 14 deletions
diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c index 2b81cb259d23..a6c81af37345 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_drv.c +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c @@ -69,7 +69,7 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ret = vbox_mode_init(vbox); if (ret) - goto err_mm_fini; + goto err_hw_fini; ret = vbox_irq_init(vbox); if (ret) @@ -87,8 +87,6 @@ err_irq_fini: vbox_irq_fini(vbox); err_mode_fini: vbox_mode_fini(vbox); -err_mm_fini: - vbox_mm_fini(vbox); err_hw_fini: vbox_hw_fini(vbox); return ret; @@ -101,7 +99,6 @@ static void vbox_pci_remove(struct pci_dev *pdev) drm_dev_unregister(&vbox->ddev); vbox_irq_fini(vbox); vbox_mode_fini(vbox); - vbox_mm_fini(vbox); vbox_hw_fini(vbox); } diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.h b/drivers/gpu/drm/vboxvideo/vbox_drv.h index 4903b91d7fe4..e77bd6512eb1 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_drv.h +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.h @@ -139,7 +139,6 @@ void vbox_mode_fini(struct vbox_private *vbox); void vbox_report_caps(struct vbox_private *vbox); int vbox_mm_init(struct vbox_private *vbox); -void vbox_mm_fini(struct vbox_private *vbox); /* vbox_irq.c */ int vbox_irq_init(struct vbox_private *vbox); diff --git a/drivers/gpu/drm/vboxvideo/vbox_ttm.c b/drivers/gpu/drm/vboxvideo/vbox_ttm.c index fd8a53a4d8d6..dc24c2172fd4 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_ttm.c +++ b/drivers/gpu/drm/vboxvideo/vbox_ttm.c @@ -13,22 +13,21 @@ int vbox_mm_init(struct vbox_private *vbox) { int ret; + resource_size_t base, size; struct drm_device *dev = &vbox->ddev; struct pci_dev *pdev = to_pci_dev(dev->dev); - ret = drmm_vram_helper_init(dev, pci_resource_start(pdev, 0), - vbox->available_vram_size); + base = pci_resource_start(pdev, 0); + size = pci_resource_len(pdev, 0); + + /* Don't fail on errors, but performance might be reduced. */ + devm_arch_phys_wc_add(&pdev->dev, base, size); + + ret = drmm_vram_helper_init(dev, base, vbox->available_vram_size); if (ret) { DRM_ERROR("Error initializing VRAM MM; %d\n", ret); return ret; } - vbox->fb_mtrr = arch_phys_wc_add(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); return 0; } - -void vbox_mm_fini(struct vbox_private *vbox) -{ - arch_phys_wc_del(vbox->fb_mtrr); -} |