Hi !
Current radeonfb memset's the framebuffer to 0 when loaded. This removes
occasional artifacts but has the nasty side effect that if you load
radeonfb without framebuffer console, you destroy the VGA text buffer,
font, etc... radeon must not touch the framebuffer content when it
doesn't "own" it.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Index: linux-work/drivers/video/aty/radeon_base.c
===================================================================
--- linux-work.orig/drivers/video/aty/radeon_base.c 2005-06-09 16:22:08.000000000 +1000
+++ linux-work/drivers/video/aty/radeon_base.c 2005-06-11 09:42:19.000000000 +1000
@@ -2374,10 +2374,9 @@
} while ( rinfo->fb_base == 0 &&
((rinfo->mapped_vram /=2) >= MIN_MAPPED_VRAM) );
- if (rinfo->fb_base)
- memset_io(rinfo->fb_base, 0, rinfo->mapped_vram);
- else {
- printk (KERN_ERR "radeonfb (%s): cannot map FB\n", pci_name(rinfo->pdev));
+ if (rinfo->fb_base == NULL) {
+ printk (KERN_ERR "radeonfb (%s): cannot map FB\n",
+ pci_name(rinfo->pdev));
ret = -EIO;
goto err_unmap_rom;
}
-
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