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| author | Antonino A. Daplas <adaplas@gmail.com> | 2005-09-09 13:04:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-09 13:57:59 -0700 |
| commit | 094bb659f53b6d90aab6067268d6d14f1f352d30 (patch) | |
| tree | 37f2e11d4c0345bb7b84ec99f50ff77bd2f395a3 /drivers/video/nvidia/nv_i2c.c | |
| parent | 13776711ce4b234b5ad153e55e8b5d6703c6b1ef (diff) | |
| download | blackbird-obmc-linux-094bb659f53b6d90aab6067268d6d14f1f352d30.tar.gz blackbird-obmc-linux-094bb659f53b6d90aab6067268d6d14f1f352d30.zip | |
[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 <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video/nvidia/nv_i2c.c')
| -rw-r--r-- | drivers/video/nvidia/nv_i2c.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c index 1a91bffdda26..ace484fa61ce 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; } |
