Patch for radeon framebuffer (fwd)

[Marcelo Tosatti]

Forwarded to the radeon maintainer.

Danke

---------- Forwarded message ----------
Date: Sat, 15 Mar 2003 14:24:08 +0100
From: "Hanno [ISO-8859-15] Böck" <[e-mail]>
To: [e-mail]
Cc: [e-mail]
Subject: Patch for radeon framebuffer

The patch below has been around for ages now.
It is needed on some radeon mobility cards, because they report 0 for
their video-ram-size.
Without the patch, the radeonfb will not work.

Can you include this in the next kernel release?

--- radeonfb.c.orig	Thu May  9 16:51:26 2002
+++ radeonfb.c	Thu May  9 16:48:46 2002
@@ -877,6 +877,14 @@
 	/* mem size is bits [28:0], mask off the rest */
 	rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;

+	/* According to XFree86 4.2.0, some production M6's return 0
+	   for 8MB. */
+	if (rinfo->video_ram == 0 &&
+	    (pdev->device == PCI_DEVICE_ID_RADEON_LY ||
+	     pdev->device == PCI_DEVICE_ID_RADEON_LZ)) {
+	    rinfo->video_ram = 8192 * 1024;
+	  }
+
 	/* ram type */
 	tmp = INREG(MEM_SDRAM_MODE_REG);
 	switch ((MEM_CFG_TYPE & tmp) >> 30) {