drm: rockchip: hdmi: check sink max_tmds_clock in mode_valid
authorZheng Yang <zhengyang@rock-chips.com>
Wed, 21 Jun 2017 07:18:04 +0000 (15:18 +0800)
committerJianqun Xu <jay.xu@rock-chips.com>
Thu, 29 Jun 2017 06:20:49 +0000 (14:20 +0800)
commit572c46535894f9b7d54ff717865ba3fa63fe6355
tree788f2268d1c976b4566aec83dddbe40ce458654a
parente68ba0f6ddabe9e51f275d7399b5b900f3fb11e4
drm: rockchip: hdmi: check sink max_tmds_clock in mode_valid

If sink max TMDS clock < 340MHz, we think the mode pixel clock
greater than 340MHz should support YCbCr420, or it is a bad mode.

Change-Id: I9f53fa4f9875977ae0355b65d9ccd8a304558c5d
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c