Try vga ddc bus before dvi ddc bus. Return early in case we got valid data.
Signed-off-by: Gerd Hoffmann <[email protected]> --- vgasrc/atiext.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/vgasrc/atiext.c b/vgasrc/atiext.c index 901e82d01383..71dfa859a22d 100644 --- a/vgasrc/atiext.c +++ b/vgasrc/atiext.c @@ -299,6 +299,15 @@ static void ati_i2c_edid_radeon(void) SET_VGA(ati_i2c_bit_sda_out, 16); SET_VGA(ati_i2c_bit_sda_in, 8); + dprintf(1, "ati: reading edid blob (radeon vga) ... \n"); + SET_VGA(ati_i2c_reg, GPIO_VGA_DDC); + ati_i2c_edid(); + valid = (GET_GLOBAL(VBE_edid[0]) == 0x00 && + GET_GLOBAL(VBE_edid[1]) == 0xff); + dprintf(1, "ati: ... %s\n", valid ? "good" : "invalid"); + if (valid) + return; + dprintf(1, "ati: reading edid blob (radeon dvi) ... \n"); SET_VGA(ati_i2c_reg, GPIO_DVI_DDC); ati_i2c_edid(); -- 2.18.1 _______________________________________________ SeaBIOS mailing list -- [email protected] To unsubscribe send an email to [email protected]
