vga16fb, drm: vga16fb->drm handoff
let vga16fb claim 0xA0000+0x10000 region as its aperture;
drm drivers don't use it, so we have to detect it and kick
vga16fb manually - but only if drm is driving the primary card
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index bf638a4..149c47a 100644
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -1263,10 +1263,19 @@
vga_imageblit_color(info, image);
}
+static void vga16fb_destroy(struct fb_info *info)
+{
+ iounmap(info->screen_base);
+ fb_dealloc_cmap(&info->cmap);
+ /* XXX unshare VGA regions */
+ framebuffer_release(info);
+}
+
static struct fb_ops vga16fb_ops = {
.owner = THIS_MODULE,
.fb_open = vga16fb_open,
.fb_release = vga16fb_release,
+ .fb_destroy = vga16fb_destroy,
.fb_check_var = vga16fb_check_var,
.fb_set_par = vga16fb_set_par,
.fb_setcolreg = vga16fb_setcolreg,
@@ -1306,6 +1315,11 @@
ret = -ENOMEM;
goto err_fb_alloc;
}
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures) {
+ ret = -ENOMEM;
+ goto err_ioremap;
+ }
/* XXX share VGA_FB_PHYS and I/O region with vgacon and others */
info->screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS, 0);
@@ -1335,7 +1349,7 @@
info->fix = vga16fb_fix;
/* supports rectangles with widths of multiples of 8 */
info->pixmap.blit_x = 1 << 7 | 1 << 15 | 1 << 23 | 1 << 31;
- info->flags = FBINFO_FLAG_DEFAULT |
+ info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE |
FBINFO_HWACCEL_YPAN;
i = (info->var.bits_per_pixel == 8) ? 256 : 16;
@@ -1354,6 +1368,9 @@
vga16fb_update_fix(info);
+ info->apertures->ranges[0].base = VGA_FB_PHYS;
+ info->apertures->ranges[0].size = VGA_FB_PHYS_LEN;
+
if (register_framebuffer(info) < 0) {
printk(KERN_ERR "vga16fb: unable to register framebuffer\n");
ret = -EINVAL;
@@ -1380,13 +1397,8 @@
{
struct fb_info *info = platform_get_drvdata(dev);
- if (info) {
+ if (info)
unregister_framebuffer(info);
- iounmap(info->screen_base);
- fb_dealloc_cmap(&info->cmap);
- /* XXX unshare VGA regions */
- framebuffer_release(info);
- }
return 0;
}