bool fb_center_logo __read_mostly;
EXPORT_SYMBOL(fb_center_logo);
+int fb_logo_count __read_mostly = -1;
+
static struct fb_info *get_fb_info(unsigned int idx)
{
struct fb_info *fb_info;
memset(&fb_logo, 0, sizeof(struct logo_data));
if (info->flags & FBINFO_MISC_TILEBLITTING ||
- info->fbops->owner)
+ info->fbops->owner || !fb_logo_count)
return 0;
if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
int fb_show_logo(struct fb_info *info, int rotate)
{
+ unsigned int count;
int y;
- y = fb_show_logo_line(info, rotate, fb_logo.logo, 0,
- num_online_cpus());
+ if (!fb_logo_count)
+ return 0;
+
+ count = fb_logo_count < 0 ? num_online_cpus() : fb_logo_count;
+ y = fb_show_logo_line(info, rotate, fb_logo.logo, 0, count);
y = fb_show_extra_logos(info, y, rotate);
return y;
static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
- struct fb_ops *fb;
+ const struct fb_ops *fb;
struct fb_var_screeninfo var;
struct fb_fix_screeninfo fix;
struct fb_cmap cmap_from;
unsigned long arg)
{
struct fb_info *info = file_fb_info(file);
- struct fb_ops *fb;
+ const struct fb_ops *fb;
long ret = -ENOIOCTLCMD;
if (!info)
fb_mmap(struct file *file, struct vm_area_struct * vma)
{
struct fb_info *info = file_fb_info(file);
- struct fb_ops *fb;
+ int (*fb_mmap_fn)(struct fb_info *info, struct vm_area_struct *vma);
unsigned long mmio_pgoff;
unsigned long start;
u32 len;
if (!info)
return -ENODEV;
- fb = info->fbops;
mutex_lock(&info->mm_lock);
- if (fb->fb_mmap) {
+
+ fb_mmap_fn = info->fbops->fb_mmap;
+
+#if IS_ENABLED(CONFIG_FB_DEFERRED_IO)
+ if (info->fbdefio)
+ fb_mmap_fn = fb_deferred_io_mmap;
+#endif
+
+ if (fb_mmap_fn) {
int res;
/*
* SME protection is removed ahead of the call
*/
vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
- res = fb->fb_mmap(info, vma);
+ res = fb_mmap_fn(info, vma);
mutex_unlock(&info->mm_lock);
return res;
}
console_unlock();
}
-void unlink_framebuffer(struct fb_info *fb_info)
+static void unlink_framebuffer(struct fb_info *fb_info)
{
int i;
fb_info->dev = NULL;
}
-EXPORT_SYMBOL(unlink_framebuffer);
static void do_unregister_framebuffer(struct fb_info *fb_info)
{
/**
* remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices
* @pdev: PCI device
- * @res_id: index of PCI BAR configuring framebuffer memory
* @name: requesting driver name
*
* This function removes framebuffer devices (eg. initialized by firmware)
- * using memory range configured for @pdev's BAR @res_id.
+ * using memory range configured for any of @pdev's memory bars.
*
* The function assumes that PCI device with shadowed ROM drives a primary
* display and so kicks out vga16fb.
*/
-int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id, const char *name)
+int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const char *name)
{
struct apertures_struct *ap;
bool primary = false;
int err, idx, bar;
- bool res_id_found = false;
for (idx = 0, bar = 0; bar < PCI_ROM_RESOURCE; bar++) {
if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM))
continue;
ap->ranges[idx].base = pci_resource_start(pdev, bar);
ap->ranges[idx].size = pci_resource_len(pdev, bar);
- pci_info(pdev, "%s: bar %d: 0x%lx -> 0x%lx\n", __func__, bar,
- (unsigned long)pci_resource_start(pdev, bar),
- (unsigned long)pci_resource_end(pdev, bar));
+ pci_dbg(pdev, "%s: bar %d: 0x%lx -> 0x%lx\n", __func__, bar,
+ (unsigned long)pci_resource_start(pdev, bar),
+ (unsigned long)pci_resource_end(pdev, bar));
idx++;
- if (res_id == bar)
- res_id_found = true;
}
- if (!res_id_found)
- pci_warn(pdev, "%s: passed res_id (%d) is not a memory bar\n",
- __func__, res_id);
#ifdef CONFIG_X86
primary = pdev->resource[PCI_ROM_RESOURCE].flags &