[PATCH] drm/mediatek: dsi: Add atomic {destroy, duplicate}_state, reset callbacks

[Chen-Yu Tsai]

On Fri, Jul 22, 2022 at 1:27 AM AngeloGioacchino Del Regno
<angelogioacchino.delregno at collabora.com> wrote:
>
> Add callbacks for atomic_destroy_state, atomic_duplicate_state and
> atomic_reset to restore functionality of the DSI driver: this solves
> vblank timeouts when another bridge is present in the chain.
>
> Tested bridge chain: DSI <=> ANX7625 => aux-bus panel
>
> Fixes: 7f6335c6a258 ("drm/mediatek: Modify dsi funcs to atomic operations")
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

Tested-by: Chen-Yu Tsai <wenst at chromium.org>

on top of next-20220722 with additional DTSI changes for display related
device nodes [1] and modification to mt8192-asurada.dtsi to enable internal
display.

[1] https://lore.kernel.org/linux-mediatek/20220712114046.15574-1-allen-kh.cheng@mediatek.com/