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| author | Lin Huang <hl@rock-chips.com> | 2018-04-23 13:49:44 +0300 |
|---|---|---|
| committer | Andrzej Hajda <a.hajda@samsung.com> | 2018-04-24 09:34:35 +0300 |
| commit | 606c5e64c6bcd26e8831878091a026da3ab63aae (patch) | |
| tree | 4336a35beb782a8777e63e4320e0c21c2943509e /drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | |
| parent | 63872659fca7997af290ddfaaf73a61bdd7cbedb (diff) | |
| download | linux-606c5e64c6bcd26e8831878091a026da3ab63aae.tar.xz | |
drm/bridge: analogix_dp: Extend hpd check time to 100ms
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
Diffstat (limited to 'drivers/gpu/drm/bridge/analogix/analogix_dp_core.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 5957e2338071..1f4f34149019 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -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); } /* |