diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2021-12-16 14:47:38 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-12-16 14:48:27 +0100 |
| commit | 9758ff2fa240173e9a45613b07774b7a78b7653e (patch) | |
| tree | 44c1951f9fe4ded7f18d26ca677d006c0e191569 /drivers/gpu/drm/hyperv/hyperv_drm_drv.c | |
| parent | 0b665d4af35837f0a0ae63135b84a3c187c1db3b (diff) | |
| parent | 244a36e50da05c33b860d20638ee4628017a5334 (diff) | |
| download | linux-9758ff2fa240173e9a45613b07774b7a78b7653e.tar.gz linux-9758ff2fa240173e9a45613b07774b7a78b7653e.tar.bz2 linux-9758ff2fa240173e9a45613b07774b7a78b7653e.zip | |
Merge drm/drm-next into drm-misc-next
Backmerging for v5.16-rc5. Resolves a conflict between drm-misc-next
and drm-misc-fixes in the vc4 driver.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/hyperv/hyperv_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/hyperv/hyperv_drm_drv.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c index cd818a629183..00e53de4812b 100644 --- a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c +++ b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c @@ -225,12 +225,29 @@ static int hyperv_vmbus_remove(struct hv_device *hdev) { struct drm_device *dev = hv_get_drvdata(hdev); struct hyperv_drm_device *hv = to_hv(dev); + struct pci_dev *pdev; drm_dev_unplug(dev); drm_atomic_helper_shutdown(dev); vmbus_close(hdev->channel); hv_set_drvdata(hdev, NULL); - vmbus_free_mmio(hv->mem->start, hv->fb_size); + + /* + * Free allocated MMIO memory only on Gen2 VMs. + * On Gen1 VMs, release the PCI device + */ + if (efi_enabled(EFI_BOOT)) { + vmbus_free_mmio(hv->mem->start, hv->fb_size); + } else { + pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT, + PCI_DEVICE_ID_HYPERV_VIDEO, NULL); + if (!pdev) { + drm_err(dev, "Unable to find PCI Hyper-V video\n"); + return -ENODEV; + } + pci_release_region(pdev, 0); + pci_dev_put(pdev); + } return 0; } |