From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Date: Wed, 14 Dec 2011 23:58:26 +0000 Subject: [PATCH 1/2] offb: Fix bug in calculating requested vram size Message-Id: <1323907106.21839.27.camel@pasglop> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org Cc: linuxppc-dev , kvm-ppc@vger.kernel.org >From 448820776363da565f221c020f4ccb3c610faec3 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Wed, 14 Dec 2011 16:52:02 +1100 Subject: We used to try to request 8 times more vram than needed, which would fail if the card has a too small BAR (observed with qemu). Signed-off-by: Benjamin Herrenschmidt --- drivers/video/offb.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) (I'm happy to carry that in the powerpc tree) diff --git a/drivers/video/offb.c b/drivers/video/offb.c index cb163a5..915acae 100644 --- a/drivers/video/offb.c +++ b/drivers/video/offb.c @@ -381,7 +381,7 @@ static void __init offb_init_fb(const char *name, const char *full_name, int pitch, unsigned long address, int foreign_endian, struct device_node *dp) { - unsigned long res_size = pitch * height * (depth + 7) / 8; + unsigned long res_size = pitch * height; struct offb_par *par = &default_par; unsigned long res_start = address; struct fb_fix_screeninfo *fix;