Hi, Nancy:
On Fri, 2022-03-11 at 09:55 +0800, Nancy.Lin wrote:
> MT8195 have two mmsys. Modify drm for MT8195 multi-mmsys support.
> The two mmsys (vdosys0 and vdosys1) will bring up two drm drivers,
> only one drm driver register as the drm device.
> Each drm driver binds its own component. The last bind drm driver
> allocates and registers the drm device to drm core.
> Each crtc path is created with the corresponding drm driver data.
>
> Signed-off-by: Nancy.Lin <nancy.lin@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 24 +-
> drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 3 +-
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 300 ++++++++++++++++++--
> ----
> drivers/gpu/drm/mediatek/mtk_drm_drv.h | 10 +-
> 4 files changed, 246 insertions(+), 91 deletions(-)
>
>
[snip]
>
> static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data
> = {
> .main_path = mt8195_mtk_ddp_main,
> .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main),
> + .mmsys_dev_num = 2,
After apply this patch, vdosys0 only would not work. So I think this
should be set to 1 in this patch, and set to 2 in the patch that
support mt8195 vdosys1. With this modification,
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> };
>
>
