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kexts: qemufb: update fb_baseptr in qemu_set_varinfo

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max 🍓
2023-06-11 12:59:33 +01:00
parent d10c89544c
commit 1adb635303
1 changed files with 5 additions and 1 deletions
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6
kexts/drivers/video/qemufb/main.c
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@@ -32,6 +32,7 @@ static inline uint16_t dispi_mmio_offset(int index)
static kern_status_t qemufb_set_varinfo(struct device *dev, const struct framebuffer_varinfo *varinfo) static kern_status_t qemufb_set_varinfo(struct device *dev, const struct framebuffer_varinfo *varinfo)
{ {
struct framebuffer_device *fbdev = FRAMEBUFFER_DEVICE(dev);
uint32_t mmio_base = pci_device_read_field(dev, PCI_REG_BAR2, 4); uint32_t mmio_base = pci_device_read_field(dev, PCI_REG_BAR2, 4);
uint16_t *mmio = vm_phys_to_virt(mmio_base); uint16_t *mmio = vm_phys_to_virt(mmio_base);
@@ -47,6 +48,8 @@ static kern_status_t qemufb_set_varinfo(struct device *dev, const struct framebu
return KERN_UNSUPPORTED; return KERN_UNSUPPORTED;
} }
fbdev->fb_fixedinfo.fb_baseptr = pci_device_read_field(dev, PCI_REG_BAR0, 4) & ~(VM_PAGE_SIZE - 1);
return KERN_OK; return KERN_OK;
} }
@@ -72,7 +75,8 @@ static kern_status_t qemufb_probe(struct pci_driver *driver, struct device *dev)
varinfo->fb_xres = mmio[dispi_mmio_offset(VBE_DISPI_INDEX_XRES)]; varinfo->fb_xres = mmio[dispi_mmio_offset(VBE_DISPI_INDEX_XRES)];
varinfo->fb_yres = mmio[dispi_mmio_offset(VBE_DISPI_INDEX_YRES)]; varinfo->fb_yres = mmio[dispi_mmio_offset(VBE_DISPI_INDEX_YRES)];
varinfo->fb_bpp = mmio[dispi_mmio_offset(VBE_DISPI_INDEX_BPP)]; varinfo->fb_bpp = mmio[dispi_mmio_offset(VBE_DISPI_INDEX_BPP)];
fixedinfo->fb_baseptr = pci_device_read_field(dev, PCI_REG_BAR0, 4); varinfo->fb_stride = varinfo->fb_bpp / 8;
fixedinfo->fb_baseptr = pci_device_read_field(dev, PCI_REG_BAR0, 4) & (VM_PAGE_SIZE - 1);
if (!varinfo->fb_xres) { if (!varinfo->fb_xres) {
/* no mode data. assume that we're in VGA text mode */ /* no mode data. assume that we're in VGA text mode */