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drm/bridge: it6505: Power on downstream device in .atomic_enable
[ Upstream commit fbc1fda ] Send DPCD DP_SET_POWER_D0 command to the monitor in .atomic_enable callback. Without this command, some monitors won't show up again after changing the resolution. Fixes: 46ca7da ("drm/bridge: it6505: Send DPCD SET_POWER to downstream") Signed-off-by: Pin-Yen Lin <treapking@chromium.org> Reviewed-by: Allen Chen <allen.chen@ite.com.tw> Fixes: 46ca7da ("drm/bridge: it6505: Send DPCD SET_POWER to downstream") Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220714173715.v2.1.I85af54e9ceda74ec69f661852825845f983fc343@changeid Signed-off-by: Sasha Levin <sashal@kernel.org>
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