fbdev/hyperv-fb: Do not set struct fb_info.apertures

[ Upstream commit 81d2393 ]

Generic fbdev drivers use the apertures field in struct fb_info to
control ownership of the framebuffer memory and graphics device. Do
not set the values in hyperv-fb.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221219160516.23436-9-tzimmermann@suse.de
Stable-dep-of: 5ae3716 ("video/aperture: Only remove sysfb on the default vga pci device")
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/video/fbdev/hyperv_fb.c

@@ -995,13 +995,10 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 	struct pci_dev *pdev  = NULL;
 	void __iomem *fb_virt;
 	int gen2vm = efi_enabled(EFI_BOOT);
+	resource_size_t base, size;
 	phys_addr_t paddr;
 	int ret;
 
-	info->apertures = alloc_apertures(1);
-	if (!info->apertures)
-		return -ENOMEM;
-
 	if (!gen2vm) {
 		pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT,
 			PCI_DEVICE_ID_HYPERV_VIDEO, NULL);
@@ -1010,8 +1007,8 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 			return -ENODEV;
 		}
 
-		info->apertures->ranges[0].base = pci_resource_start(pdev, 0);
-		info->apertures->ranges[0].size = pci_resource_len(pdev, 0);
+		base = pci_resource_start(pdev, 0);
+		size = pci_resource_len(pdev, 0);
 
 		/*
 		 * For Gen 1 VM, we can directly use the contiguous memory
@@ -1034,8 +1031,8 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 		}
 		pr_info("Unable to allocate enough contiguous physical memory on Gen 1 VM. Using MMIO instead.\n");
 	} else {
-		info->apertures->ranges[0].base = screen_info.lfb_base;
-		info->apertures->ranges[0].size = screen_info.lfb_size;
+		base = screen_info.lfb_base;
+		size = screen_info.lfb_size;
 	}
 
 	/*
@@ -1077,9 +1074,7 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 	info->screen_size = dio_fb_size;
 
 getmem_done:
-	aperture_remove_conflicting_devices(info->apertures->ranges[0].base,
-					    info->apertures->ranges[0].size,
-					    false, KBUILD_MODNAME);
+	aperture_remove_conflicting_devices(base, size, false, KBUILD_MODNAME);
 
 	if (gen2vm) {
 		/* framebuffer is reallocated, clear screen_info to avoid misuse from kexec */