Patch for radeon framebuffer (fwd)

From: Marcelo Tosatti (marcelo@conectiva.com.br)
Date: Wed Mar 19 2003 - 15:43:08 EST


Forwarded to the radeon maintainer.

Danke

---------- Forwarded message ----------
Date: Sat, 15 Mar 2003 14:24:08 +0100
From: "Hanno [ISO-8859-15] Böck" <hanno@gmx.de>
To: linux-kernel@vger.kernel.org
Cc: marcelo@conectiva.com.br
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) {
-
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