Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Antonino A. Daplas |
175 |
51.62% |
1 |
12.50% |
| Benjamin Herrenschmidt |
139 |
41.00% |
1 |
12.50% |
| Alexey Dobriyan |
14 |
4.13% |
2 |
25.00% |
| Stephen Rothwell |
3 |
0.88% |
1 |
12.50% |
| Qinglang Miao |
3 |
0.88% |
1 |
12.50% |
| Avi Kivity |
3 |
0.88% |
1 |
12.50% |
| Jeremy Kerr |
2 |
0.59% |
1 |
12.50% |
| Total |
339 |
|
8 |
|
/*
* linux/drivers/video/nvidia/nv_of.c
*
* Copyright 2004 Antonino A. Daplas <adaplas @pol.net>
*
* Based on rivafb-i2c.c
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/gfp.h>
#include <linux/pci.h>
#include <linux/fb.h>
#include <asm/io.h>
#include "nv_type.h"
#include "nv_local.h"
#include "nv_proto.h"
#include "../edid.h"
int nvidia_probe_of_connector(struct fb_info *info, int conn, u8 **out_edid)
{
struct nvidia_par *par = info->par;
struct device_node *parent, *dp;
const unsigned char *pedid = NULL;
static char *propnames[] = {
"DFP,EDID", "LCD,EDID", "EDID", "EDID1",
"EDID,B", "EDID,A", NULL };
int i;
parent = pci_device_to_OF_node(par->pci_dev);
if (parent == NULL)
return -1;
if (par->twoHeads) {
const char *pname;
int len;
for_each_child_of_node(parent, dp) {
pname = of_get_property(dp, "name", NULL);
if (!pname)
continue;
len = strlen(pname);
if ((pname[len-1] == 'A' && conn == 1) ||
(pname[len-1] == 'B' && conn == 2)) {
for (i = 0; propnames[i] != NULL; ++i) {
pedid = of_get_property(dp,
propnames[i], NULL);
if (pedid != NULL)
break;
}
of_node_put(dp);
break;
}
}
}
if (pedid == NULL) {
for (i = 0; propnames[i] != NULL; ++i) {
pedid = of_get_property(parent, propnames[i], NULL);
if (pedid != NULL)
break;
}
}
if (pedid) {
*out_edid = kmemdup(pedid, EDID_LENGTH, GFP_KERNEL);
if (*out_edid == NULL)
return -1;
printk(KERN_DEBUG "nvidiafb: Found OF EDID for head %d\n", conn);
return 0;
}
return -1;
}