[PATCH v14 14/15] drm/mediatek: dpi: Add dp_intf support

[AngeloGioacchino Del Regno]

Il 24/06/22 05:09, Bo-Chen Chen ha scritto:
> From: Guillaume Ranquet <granquet at baylibre.com>
> 
> Dpintf is the displayport interface hardware unit. This unit is similar
> to dpi and can reuse most of the code.
> 
> This patch adds support for mt8195-dpintf to this dpi driver. Main
> differences are:
>   - 4 pixels for one iteration for dp_intf while dpi is 1 pixel for one
>     iteration. Therefore, we add a new config "pixels_per_iter" to control
>     quantity of transferred pixels per iteration.
>   - Input of dp_intf is two pixels per iteration, so we add a new config
>     "input_2pixel" to control this.
>   - Some register contents differ slightly between the two components. To
>     work around this I added register bits/masks with a DPINTF_ prefix
>     and use them where different.
> 
> Based on a separate driver for dpintf created by
> Jitao shi <jitao.shi at mediatek.com>.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp at baylibre.com>
> Signed-off-by: Guillaume Ranquet <granquet at baylibre.com>
> [Bo-Chen: Modify reviewers' comments.]
> Signed-off-by: Bo-Chen Chen <rex-bc.chen at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>