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drm/bridge: analogix_dp: Fix incorrect operations with register ANALOGIX_DP_FUNC_EN_1
authorzain wang <wzz@rock-chips.com>
Mon, 23 Apr 2018 10:49:52 +0000 (12:49 +0200)
committerAndrzej Hajda <a.hajda@samsung.com>
Tue, 24 Apr 2018 06:34:43 +0000 (08:34 +0200)
commit4805b7ce5031381e8fe9f25b0f5a323653259178
tree9953ea55df9ce763b5f3db9b93d67fe61a4554a9
parentc4d3b1a21ec2d3a9065b46c13021344ffa7ecead
drm/bridge: analogix_dp: Fix incorrect operations with register ANALOGIX_DP_FUNC_EN_1

Register ANALOGIX_DP_FUNC_EN_1(offset 0x18), Rockchip is different to
Exynos:

on Exynos edp phy,
BIT 7 MASTER_VID_FUNC_EN_N
BIT 6 reserved
BIT 5 SLAVE_VID_FUNC_EN_N

on Rockchip edp phy,
BIT 7 reserved
BIT 6 RK_VID_CAP_FUNC_EN_N
BIT 5 RK_VID_FIFO_FUNC_EN_N

So, we should do some private operations to Rockchip.

Cc: Tomasz Figa <tfiga@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/20180423105003.9004-17-enric.balletbo@collabora.com
drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h