On 2016年04月18日 17:25, John Keeping wrote:
On Mon, 18 Apr 2016 11:03:31 +0800, Mark Yao wrote:
>We need to take care of the vop status when use
>rockchip_drm_crtc_mode_config, if vop is disabled,
>the function would failed, that is terrible.
>
>Save connector type and output mode on drm_display_mode->private_flags
>at encoder mode_fixup, then we can configure the type and mode safely
>on crtc mode_set.
Since Rockchip is atomic, shouldn't this be using atomic_check hooks and
a subclassed crtc_state structure?
Hi John
I try to use atomic_check with crtc_state, but it seems not easy,
there are two value need transmit from connector to vop: connector type
and out_mode
the connector type I think we can loop the atomic state to find the
connector type.
but the out_mode is a custom value, I can't find a generic way to
transmit it with atomic state.
BTW, I think on atomic side, the drm_display_mode is under control by
atomic state,
and the mode->private_flags is not use by drm framework, I found i915
and gma500 also use
mode->private_flags to transmit custom value.
So I think it's no problem using mode->private_flags.
--
Ｍark Yao
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