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drm/bridge: analogix_dp: Extend hpd check time to 100ms

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There was a 1ms delay to detect the hpd signal, which is too short to
detect a short pulse. This patch extends this delay to 100ms.

Cc: Stéphane Marchesin <marcheu@chromium.org>
Cc: 征增 王 <wzz@rock-chips.com>
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180423105003.9004-9-enric.balletbo@collabora.com
This commit is contained in:
Lin Huang 2018-04-23 12:49:44 +02:00 committed by Andrzej Hajda
parent 63872659fc
commit 606c5e64c6
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
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@ -76,7 +76,7 @@ static int analogix_dp_detect_hpd(struct analogix_dp_device *dp)
return 0;
timeout_loop++;
usleep_range(10, 11);
usleep_range(1000, 1100);
}
/*