Re: [PATCH v4] PCI/VGA: Make the vga_is_firmware_default() less arch-dependent

From: suijingfeng
Date: Fri Aug 18 2023 - 22:30:11 EST


Hi,

On 2023/8/18 06:08, Bjorn Helgaas wrote:
+
+/*
+ * Identify the PCI VGA device that contains the firmware framebuffer
+ */
+static void pci_boot_vga_finder(struct pci_dev *pdev)
+{
+ resource_size_t fb_start;
+ resource_size_t fb_end;
+ unsigned int i;
+
+ /* Already found the pdev which has firmware framebuffer ownership */
+ if (pdev_boot_vga)
+ return;
+
+ if (!vga_arb_get_firmware_fb_range(&fb_start, &fb_end))
+ return;
+
+ for (i = 0; i < PCI_STD_NUM_BARS; i++) {
+ struct resource *res = &pdev->resource[i];
This is essentially identical to vga_is_firmware_default() so it
should look the same, i.e., it should use pci_dev_for_each_resource().


OK, will be fixed at the next version. Thanks.