Re: [PATCH v27 6/7] drm/mediatek: add drm ovl_adaptor sub driver for MT8195

[Nícolas F. R. A. Prado]

On Thu, Nov 03, 2022 at 11:26:09AM +0800, Nancy.Lin wrote:
> Add drm ovl_adaptor sub driver. Bring up ovl_adaptor sub driver if
> the component exists in the path.
> 
> Signed-off-by: Nancy.Lin <nancy.lin@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> Tested-by: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx>
> Tested-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> Change-Id: I0501f3c80e78ec8279366cba9c137a2edd7a852e
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c     |  61 ++++-----
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.h     |   2 +-
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 129 ++++++++++++--------
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  50 +++++++-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c      |  78 ++++++------
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h      |  12 +-
>  6 files changed, 209 insertions(+), 123 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 30dcb65d8a5a..ce5617ad04cb 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
[..]
>  int mtk_drm_crtc_create(struct drm_device *drm_dev,
> -			const enum mtk_ddp_comp_id *path, unsigned int path_len,
> +			const unsigned int *path, unsigned int path_len,

Hi Nancy,

why is 'enum mtk_ddp_comp_id' being changed to 'unsigned int' throughout this
patch? Was this intentional?

I saw that this change happened between v16 [1] and v17 [2], but I didn't see
any reply or mention about this in the commit message or cover letter.

Thanks,
Nícolas

[1] https://lore.kernel.org/all/20220318142009.2796-21-nancy.lin@xxxxxxxxxxxx/
[2] https://lore.kernel.org/all/20220416020749.29010-20-nancy.lin@xxxxxxxxxxxx/