Merge v4.20-rc4 into drm-next

Requested by Boris Brezillon for some vc4 fixes that are needed for future vc4 work.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index 69dab82a3771..bf589c53b908 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -60,8 +60,29 @@ static const struct pci_device_id pciidlist[] = {
 
 MODULE_DEVICE_TABLE(pci, pciidlist);
 
+static void ast_kick_out_firmware_fb(struct pci_dev *pdev)
+{
+        struct apertures_struct *ap;
+        bool primary = false;
+
+        ap = alloc_apertures(1);
+        if (!ap)
+                return;
+
+        ap->ranges[0].base = pci_resource_start(pdev, 0);
+        ap->ranges[0].size = pci_resource_len(pdev, 0);
+
+#ifdef CONFIG_X86
+        primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
+#endif
+        drm_fb_helper_remove_conflicting_framebuffers(ap, "astdrmfb", primary);
+        kfree(ap);
+}
+
 static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
+        ast_kick_out_firmware_fb(pdev);
+
         return drm_get_pci_dev(pdev, ent, &driver);
 }