From: "Antonino A. Daplas" Some EDID blocks set the flag "prefer first detailed timing" without providing any detailed timing at all. Clear this flag if the block does not provide detailed timings. Signed-off-by: Antonino Daplas Signed-off-by: Andrew Morton --- drivers/video/fbmon.c | 18 +++++++++++++++++- 1 files changed, 17 insertions(+), 1 deletion(-) diff -puN drivers/video/fbmon.c~fbdev-workaround-for-buggy-edid-blocks drivers/video/fbmon.c --- devel/drivers/video/fbmon.c~fbdev-workaround-for-buggy-edid-blocks 2005-10-18 19:12:19.000000000 -0700 +++ devel-akpm/drivers/video/fbmon.c 2005-10-18 19:12:19.000000000 -0700 @@ -827,7 +827,7 @@ int fb_parse_edid(unsigned char *edid, s void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs) { unsigned char *block; - int i; + int i, found = 0; if (edid == NULL) return; @@ -869,6 +869,22 @@ void fb_edid_to_monspecs(unsigned char * get_monspecs(edid, specs); specs->modedb = fb_create_modedb(edid, &specs->modedb_len); + + /* + * Workaround for buggy EDIDs that sets that the first + * detailed timing is preferred but has not detailed + * timing specified + */ + for (i = 0; i < specs->modedb_len; i++) { + if (specs->modedb[i].flag & FB_MODE_IS_DETAILED) { + found = 1; + break; + } + } + + if (!found) + specs->misc &= ~FB_MISC_1ST_DETAIL; + DPRINTK("========================================\n"); } _