From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- drivers/video/nvidia/nv_of.c | 82 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 drivers/video/nvidia/nv_of.c (limited to 'drivers/video/nvidia/nv_of.c') diff --git a/drivers/video/nvidia/nv_of.c b/drivers/video/nvidia/nv_of.c new file mode 100644 index 00000000..3bc13df4 --- /dev/null +++ b/drivers/video/nvidia/nv_of.c @@ -0,0 +1,82 @@ +/* + * linux/drivers/video/nvidia/nv_of.c + * + * Copyright 2004 Antonino A. Daplas + * + * 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 +#include +#include +#include +#include +#include + +#include + +#include +#include + +#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 (dp = NULL; + (dp = of_get_next_child(parent, dp)) != NULL;) { + 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; +} -- cgit