On Tue, 23 Feb 2021 21:46:15 +0100
Jernej Skrabec <jernej.skra...@siol.net> wrote:
Hi,
> 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.
Indeed we would exit anyway, so we should avoid unneeded work.
> Signed-off-by: Jernej Skrabec <jernej.skra...@siol.net>
Reviewed-by: Andre Przywara <andre.przyw...@arm.com>
Cheers,
Andre
> ---
> common/edid.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/common/edid.c b/common/edid.c
> index 553ab8fd01a1..1cb7177742e8 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);
--
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