Hi, On 6/18/24 18:17, AngeloGioacchino Del Regno wrote:
It is impossible to add each and every possible DDP path combination for each and every possible combination of SoC and board: right now, this driver hardcodes configuration for 10 SoCs and this is going to grow larger and larger, and with new hacks like the introduction of mtk_drm_route which is anyway not enough for all final routes as the DSI cannot be connected to MERGE if it's not a dual-DSI, or enabling DSC preventively doesn't work if the display doesn't support it, or others. Since practically all display IPs in MediaTek SoCs support being interconnected with different instances of other, or the same, IPs or with different IPs and in different combinations, the final DDP pipeline is effectively a board specific configuration. Implement OF graphs support to the mediatek-drm drivers, allowing to stop hardcoding the paths, and preventing this driver to get a huge amount of arrays for each board and SoC combination, also paving the way to share the same mtk_mmsys_driver_data between multiple SoCs, making it more straightforward to add support for new chips. Reviewed-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx> Tested-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Acked-by: Sui Jingfeng <sui.jingfeng@xxxxxxxxx>
