From 094bb659f53b6d90aab6067268d6d14f1f352d30 Mon Sep 17 00:00:00 2001 From: "Antonino A. Daplas" Date: Fri, 9 Sep 2005 13:04:36 -0700 Subject: [PATCH] nvidiafb: Fallback to firmware EDID If nvidiafb fails to probe the EDID block, get the EDID from the BIOS. Signed-off-by: Antonino Daplas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/nvidia/nv_i2c.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'drivers/video/nvidia/nv_i2c.c') diff --git a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c index 1a91bffdda2..ace484fa61c 100644 --- a/drivers/video/nvidia/nv_i2c.c +++ b/drivers/video/nvidia/nv_i2c.c @@ -194,8 +194,9 @@ static u8 *nvidia_do_probe_i2c_edid(struct nvidia_i2c_chan *chan) return NULL; } -int nvidia_probe_i2c_connector(struct nvidia_par *par, int conn, u8 **out_edid) +int nvidia_probe_i2c_connector(struct fb_info *info, int conn, u8 **out_edid) { + struct nvidia_par *par = info->par; u8 *edid = NULL; int i; @@ -205,10 +206,17 @@ int nvidia_probe_i2c_connector(struct nvidia_par *par, int conn, u8 **out_edid) if (edid) break; } + + if (!edid && conn == 1) { + /* try to get from firmware */ + edid = kmalloc(EDID_LENGTH, GFP_KERNEL); + if (edid) + memcpy(edid, fb_firmware_edid(info->device), + EDID_LENGTH); + } + if (out_edid) *out_edid = edid; - if (!edid) - return 1; - return 0; + return (edid) ? 0 : 1; } -- cgit v1.2.3