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media: synopsys: hdmirx: Fix HPD lane hold time

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Increase time of holding HPD lane low by 50ms. This fixes EDID change not
detected by source/display side.

Fixes: 7b59b132ad ("media: platform: synopsys: Add support for HDMI input driver")
Cc: stable@vger.kernel.org
Reported-by: Ross Cawston <ross@r-sc.ca>
Closes: https://lore.kernel.org/linux-rockchip/20260209061654.54757-1-ross@r-sc.ca/
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Dmitry Osipenko 2026-03-25 13:57:42 +03:00 committed by Hans Verkuil
parent b3c33615e5
commit d1162a5adb
1 changed files with 2 additions and 2 deletions
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4
drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
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@ -506,9 +506,9 @@ static void hdmirx_hpd_ctrl(struct snps_hdmirx_dev *hdmirx_dev, bool en)
hdmirx_writel(hdmirx_dev, CORE_CONFIG,
hdmirx_dev->hpd_trigger_level_high ? en : !en);
/* 100ms delay as per HDMI spec */
/* 100ms delay as per HDMI spec + extra 50ms to cover internal delay */
if (!en)
msleep(100);
msleep(100 + 50);
}
static void hdmirx_write_edid_data(struct snps_hdmirx_dev *hdmirx_dev,