From e40c67597eac7a0b0e676867517b01a5a57f7b4b Mon Sep 17 00:00:00 2001 From: Wink Saville Date: Fri, 10 Nov 2006 12:27:52 -0800 Subject: [PATCH] Patch for nvidia divide by zero error for 7600 pci-express card The following patch resolves the divide by zero error I encountered on my system: http://marc.10east.com/?l=linux-fbdev-devel&m=116058257024413&w=2 I accomplished this by merging what I thought was appropriate from: http://webcvs.freedesktop.org/xorg/driver/xf86-video-nv/src/ Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/nvidia/nv_setup.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'drivers/video/nvidia/nv_setup.c') diff --git a/drivers/video/nvidia/nv_setup.c b/drivers/video/nvidia/nv_setup.c index a18a9aebf05..61dc46fecf2 100644 --- a/drivers/video/nvidia/nv_setup.c +++ b/drivers/video/nvidia/nv_setup.c @@ -359,6 +359,7 @@ int NVCommonSetup(struct fb_info *info) case 0x0186: case 0x0187: case 0x018D: + case 0x0228: case 0x0286: case 0x028C: case 0x0316: @@ -382,6 +383,10 @@ int NVCommonSetup(struct fb_info *info) case 0x034C: case 0x0160: case 0x0166: + case 0x0169: + case 0x016B: + case 0x016C: + case 0x016D: case 0x00C8: case 0x00CC: case 0x0144: @@ -639,12 +644,23 @@ int NVCommonSetup(struct fb_info *info) par->fpHeight = NV_RD32(par->PRAMDAC, 0x0800) + 1; par->fpSyncs = NV_RD32(par->PRAMDAC, 0x0848) & 0x30000033; - printk("Panel size is %i x %i\n", par->fpWidth, par->fpHeight); + printk("nvidiafb: Panel size is %i x %i\n", par->fpWidth, par->fpHeight); } if (monA) info->monspecs = *monA; + if (!par->FlatPanel || !par->twoHeads) + par->FPDither = 0; + + par->LVDS = 0; + if (par->FlatPanel && par->twoHeads) { + NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004); + if (par->PRAMDAC0[0x08b4] & 1) + par->LVDS = 1; + printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS"); + } + kfree(edidA); kfree(edidB); done: -- cgit v1.2.3