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Commit 99d054d8 authored by Ondrej Zary's avatar Ondrej Zary Committed by Paul Mundt
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s3fb: maximize virtual vertical size for fast scrolling 



Maximize virtual vertical framebuffer size during init to allow fast scrolling
(accelerated by panning).

Signed-off-by: default avatarOndrej Zary <linux@rainbow-software.org>
Acked-by: default avatarOndrej Zajicek <santiago@crfreenet.org>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 6a2f6d5e

drivers/video/s3fb.c

+8 −0
Original line number Diff line number Diff line
@@ -1053,6 +1053,14 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i 
		goto err_find_mode;

	}



	/* maximize virtual vertical size for fast scrolling */

	info->var.yres_virtual = info->fix.smem_len * 8 /

			(info->var.bits_per_pixel * info->var.xres_virtual);

	if (info->var.yres_virtual < info->var.yres) {

		dev_err(info->device, "virtual vertical size smaller than real\n");

		goto err_find_mode;

	}



	rc = fb_alloc_cmap(&info->cmap, 256, 0);

	if (rc < 0) {

		dev_err(info->device, "cannot allocate colormap\n");