From c1977c9ed570d3acc11d0e22aee277bc06150a6b Mon Sep 17 00:00:00 2001 From: rfelker Date: Thu, 7 Feb 2002 02:07:29 +0000 Subject: [PATCH] added mga_top_reserved module parameter to skip a configurable amount of space at the top of video memory. this is needed to prevent corruption of the kernel's console font when using the "fastfont" option with matroxfb. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4560 b3059339-0415-0410-9bf9-f77b7e298cf2 --- drivers/mga_vid.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mga_vid.c b/drivers/mga_vid.c index 8ec0ae3e15..fec46fe89f 100644 --- a/drivers/mga_vid.c +++ b/drivers/mga_vid.c @@ -246,9 +246,12 @@ static int mga_src_base = 0; // YUV buffer position in video memory static uint32_t mga_ram_size = 0; // how much megabytes videoram we have +static uint32_t mga_top_reserved = 0; // reserved space for console font (matroxfb + fastfont) + //static int mga_force_memsize = 0; MODULE_PARM(mga_ram_size, "i"); +MODULE_PARM(mga_top_reserved, "i"); static struct pci_dev *pci_dev; @@ -1167,7 +1170,7 @@ static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cm return(-EFAULT); } - mga_src_base = (mga_ram_size*0x100000-mga_config.num_frames*mga_config.frame_size); + mga_src_base = (mga_ram_size*0x100000-mga_config.num_frames*mga_config.frame_size-mga_top_reserved); if(mga_src_base<0){ printk(KERN_ERR "mga_vid: not enough memory for frames!\n"); return(-EFAULT);