Messages in this thread | | | From | Heiko Stuebner <> | Subject | Re: [PATCH v3 6/6] drm/rockchip: cdn-dp: remove the DP phy switch | Date | Fri, 16 Mar 2018 12:02:53 +0100 |
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Am Freitag, 16. Februar 2018, 13:09:56 CET schrieb Enric Balletbo i Serra: > From: Chris Zhong <zyw@rock-chips.com> > > There are 2 Type-c PHYs in RK3399, but only one DP controller. Hence > only one PHY can connect to DP controller at one time, the other should > be disconnected. The GRF_SOC_CON26 register has a switch bit to do it, > set this bit means enable PHY 1, clear this bit means enable PHY 0. > > If the board has 2 Type-C ports, the DP driver get the phy id from > devm_of_phy_get_by_index, and then control this switch according to > this id. But some others board only has one Type-C port, it may be PHY 0 > or PHY 1. The dts node id can not tell us the correct PHY id. Hence move > this switch to PHY driver, the PHY driver can distinguish between PHY 0 > and PHY 1, and then write the correct register bit. > > Signed-off-by: Chris Zhong <zyw@rock-chips.com> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
applied to drm-misc with a note stating where the rest of the series went to.
Thanks Heiko
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