PCI core handles releasing device's resources and their rollback in case of failure of a BAR resizing operation. Releasing resource prior to calling pci_resize_resource() prevents PCI core from restoring the BARs as they were.
Remove driver-side release of BARs from the xe driver. Signed-off-by: Ilpo Järvinen <[email protected]> Cc: Lucas De Marchi <[email protected]> --- drivers/gpu/drm/xe/xe_vram.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_vram.c b/drivers/gpu/drm/xe/xe_vram.c index 00dd027057df..5aacab9358a4 100644 --- a/drivers/gpu/drm/xe/xe_vram.c +++ b/drivers/gpu/drm/xe/xe_vram.c @@ -33,9 +33,6 @@ _resize_bar(struct xe_device *xe, int resno, resource_size_t size) int bar_size = pci_rebar_bytes_to_size(size); int ret; - if (pci_resource_len(pdev, resno)) - pci_release_resource(pdev, resno); - ret = pci_resize_resource(pdev, resno, bar_size, 0); if (ret) { drm_info(&xe->drm, "Failed to resize BAR%d to %dM (%pe). Consider enabling 'Resizable BAR' support in your BIOS\n", -- 2.39.5
