From 4fb0c3c43fbb4d28c80dc4019cdcbf57bf153021 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Thu, 22 Apr 2021 01:14:27 +0100 Subject: [PATCH] common: edid: check for digital display earlier When searching for detailed timing in EDID, check for digital display earlier. There is no point parsing other parameters if this flag is not present. Reviewed-by: Andre Przywara Signed-off-by: Jernej Skrabec Signed-off-by: Andre Przywara --- common/edid.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/common/edid.c b/common/edid.c index 553ab8f..1cb7177 100644 --- a/common/edid.c +++ b/common/edid.c @@ -185,6 +185,11 @@ int edid_get_timing_validate(u8 *buf, int buf_size, return -EINVAL; } + if (!EDID1_INFO_VIDEO_INPUT_DIGITAL(*edid)) { + debug("%s: Not a digital display\n", __func__); + return -ENOSYS; + } + if (!EDID1_INFO_FEATURE_PREFERRED_TIMING_MODE(*edid)) { debug("%s: No preferred timing\n", __func__); return -ENOENT; @@ -211,10 +216,6 @@ int edid_get_timing_validate(u8 *buf, int buf_size, if (!timing_done) return -EINVAL; - if (!EDID1_INFO_VIDEO_INPUT_DIGITAL(*edid)) { - debug("%s: Not a digital display\n", __func__); - return -ENOSYS; - } if (edid->version != 1 || edid->revision < 4) { debug("%s: EDID version %d.%d does not have required info\n", __func__, edid->version, edid->revision); -- 2.7.4