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drm/bridge: analogix_dp: Fix timeout of video streamclk config
authorzain wang <wzz@rock-chips.com>
Mon, 23 Apr 2018 10:49:51 +0000 (12:49 +0200)
committerAndrzej Hajda <a.hajda@samsung.com>
Tue, 24 Apr 2018 06:34:42 +0000 (08:34 +0200)
commitc4d3b1a21ec2d3a9065b46c13021344ffa7ecead
treea4e9c9d2628c341279762f58f381aef8b8e86430
parentac0c0b611d5aef4f259625f4be44ed9e2d03b711
drm/bridge: analogix_dp: Fix timeout of video streamclk config

The STRM_VALID bit in register ANALOGIX_DP_SYS_CTL_3 may be unstable,
so we may hit the error log "Timeout of video streamclk ok" since
checked this unstable bit.
In fact, we can go continue and the streamclk is ok if we wait enough time,
it does no effect on display.
Let's change this error to warn.

Cc: Douglas Anderson <dianders@chromium.org>
Signed-off-by: zain wang <wzz@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/20180423105003.9004-16-enric.balletbo@collabora.com
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c