lkml.org 
[lkml]   [2021]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v6 5/7] drm/mediatek: dpi: Add dpintf support
From


On 10/11/2021 14:06, Guillaume Ranquet wrote:
> From: Markus Schneider-Pargmann <msp@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:
> - Some features/functional components are not available for dpintf
> which are now excluded from code execution once is_dpintf is set
> - dpintf can and needs to choose between different clockdividers based
> on the clockspeed. This is done by choosing a different clock parent.
> - There are two additional clocks that need to be managed. These are
> only set for dpintf and will be set to NULL if not supplied. The
> clk_* calls handle these as normal clocks then.
> - 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
> Jason-JH.Lin <jason-jh.lin@mediatek.com>.
>
> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
> Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
> ---
[...]
> diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
> index 4bba275e235ac..56ed2fa5f59e8 100644
> --- a/include/linux/soc/mediatek/mtk-mmsys.h
> +++ b/include/linux/soc/mediatek/mtk-mmsys.h
> @@ -19,6 +19,8 @@ enum mtk_ddp_comp_id {
> DDP_COMPONENT_DITHER,
> DDP_COMPONENT_DPI0,
> DDP_COMPONENT_DPI1,
> + DDP_COMPONENT_DP_INTF0,
> + DDP_COMPONENT_DP_INTF1,
> DDP_COMPONENT_DSI0,
> DDP_COMPONENT_DSI1,
> DDP_COMPONENT_DSI2,
>

For the mtk-mmsys.h:
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>

\
 
 \ /
  Last update: 2021-12-15 21:14    [W:0.053 / U:0.392 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site