From: James Mayer <james@cobaltmountain.com>
To: Hanno B?ck <hanno@gmx.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: radeon framebuffer problem
Date: Sun, 2 Jun 2002 14:17:58 -0600 [thread overview]
Message-ID: <20020602201758.GA19815@galileo> (raw)
In-Reply-To: <20020602211014.3ccbe57e.hanno@gmx.de>
Hi,
> Jun 2 19:55:35 hannonb kernel: radeonfb: cannot map FB
>
> My card is a Radeon Mobility M6 LY.
> All kernels are with radeon framebuffer compiled in as the only
> framebuffer.
You might want to try this, I have an M6 LY with what I suspect is the
same problem.
Good luck!
--- 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) {
next prev parent reply other threads:[~2002-06-02 20:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-02 19:10 radeon framebuffer problem Hanno Böck
2002-06-02 20:17 ` James Mayer [this message]
2002-06-02 21:18 ` Hanno Böck
2002-06-03 15:30 ` James Mayer
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