diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/nvidia/nv_i2c.c | 8 | ||||
| -rw-r--r-- | drivers/video/nvidia/nv_type.h | 1 | ||||
| -rw-r--r-- | drivers/video/nvidia/nvidia.c | 6 |
3 files changed, 11 insertions, 4 deletions
diff --git a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c index afe4567e1ff..0cbcb3d833f 100644 --- a/drivers/video/nvidia/nv_i2c.c +++ b/drivers/video/nvidia/nv_i2c.c @@ -125,11 +125,11 @@ void nvidia_create_i2c_busses(struct nvidia_par *par) par->chan[1].par = par; par->chan[2].par = par; - par->chan[0].ddc_base = 0x36; - nvidia_setup_i2c_bus(&par->chan[0], "nvidia #0", I2C_CLASS_HWMON); + par->chan[0].ddc_base = (par->reverse_i2c) ? 0x36 : 0x3e; + nvidia_setup_i2c_bus(&par->chan[0], "nvidia #0", 0); - par->chan[1].ddc_base = 0x3e; - nvidia_setup_i2c_bus(&par->chan[1], "nvidia #1", 0); + par->chan[1].ddc_base = (par->reverse_i2c) ? 0x3e : 0x36; + nvidia_setup_i2c_bus(&par->chan[1], "nvidia #1", I2C_CLASS_HWMON); par->chan[2].ddc_base = 0x50; nvidia_setup_i2c_bus(&par->chan[2], "nvidia #2", 0); diff --git a/drivers/video/nvidia/nv_type.h b/drivers/video/nvidia/nv_type.h index 2fdf77ec39f..f132aab8c5d 100644 --- a/drivers/video/nvidia/nv_type.h +++ b/drivers/video/nvidia/nv_type.h @@ -135,6 +135,7 @@ struct nvidia_par { int paneltweak; int LVDS; int pm_state; + int reverse_i2c; u32 crtcSync_read; u32 fpSyncs; u32 dmaPut; diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index a7fe214f0f7..30e14eb1f51 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -79,6 +79,7 @@ static int noscale __devinitdata = 0; static int paneltweak __devinitdata = 0; static int vram __devinitdata = 0; static int bpp __devinitdata = 8; +static int reverse_i2c __devinitdata; #ifdef CONFIG_MTRR static int nomtrr __devinitdata = 0; #endif @@ -1305,6 +1306,7 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd, par->CRTCnumber = forceCRTC; par->FpScale = (!noscale); par->paneltweak = paneltweak; + par->reverse_i2c = reverse_i2c; /* enable IO and mem if not already done */ pci_read_config_word(pd, PCI_COMMAND, &cmd); @@ -1486,6 +1488,8 @@ static int __devinit nvidiafb_setup(char *options) noaccel = 1; } else if (!strncmp(this_opt, "noscale", 7)) { noscale = 1; + } else if (!strncmp(this_opt, "reverse_i2c", 11)) { + reverse_i2c = 1; } else if (!strncmp(this_opt, "paneltweak:", 11)) { paneltweak = simple_strtoul(this_opt+11, NULL, 0); } else if (!strncmp(this_opt, "vram:", 5)) { @@ -1582,6 +1586,8 @@ MODULE_PARM_DESC(mode_option, "Specify initial video mode"); module_param(bpp, int, 0); MODULE_PARM_DESC(bpp, "pixel width in bits" "(default=8)"); +module_param(reverse_i2c, int, 0); +MODULE_PARM_DESC(reverse_i2c, "reverse port assignment of the i2c bus"); #ifdef CONFIG_MTRR module_param(nomtrr, bool, 0); MODULE_PARM_DESC(nomtrr, "Disables MTRR support (0 or 1=disabled) " |