[PATCH v1 6/6] drm/mediatek: Add mt8195 DisplayPort driver

[Sam Ravnborg]

Hi Markus,

On Mon, Sep 06, 2021 at 09:35:29PM +0200, Markus Schneider-Pargmann wrote:
> This patch adds a DisplayPort driver for the Mediatek mt8195 SoC.
> 
> It supports both functional units on the mt8195, the embedded
> DisplayPort as well as the external DisplayPort units. It offers
> hot-plug-detection, audio up to 8 channels, and DisplayPort 1.4 with up
> to 4 lanes.
> 
> This driver is based on an initial version by
> Jason-JH.Lin <jason-jh.lin at mediatek.com>.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp at baylibre.com>
> ---
> 
> Notes:
>     Changes RFC -> v1:
>     - Removed unused register definitions.
>     - Replaced workqueue with threaded irq.
>     - Removed connector code.
>     - Move to atomic_* drm functions.
>     - General cleanups of the code.
>     - Remove unused select GENERIC_PHY.
> 
>  drivers/gpu/drm/mediatek/Kconfig      |    6 +
>  drivers/gpu/drm/mediatek/Makefile     |    2 +
>  drivers/gpu/drm/mediatek/mtk_dp.c     | 2881 +++++++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_dp_reg.h |  580 +++++
>  4 files changed, 3469 insertions(+)
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp.c
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp_reg.h
> 


> +
> +static const struct drm_bridge_funcs mtk_dp_bridge_funcs = {
> +	.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
> +	.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
> +	.atomic_reset = drm_atomic_helper_bridge_reset,
> +	.attach = mtk_dp_bridge_attach,
> +	.detach = mtk_dp_bridge_detach,
> +	.pre_enable = mtk_dp_bridge_pre_enable,
Use the atomic variant here as pre_enable is deprecated.

> +	.atomic_enable = mtk_dp_bridge_atomic_enable,
> +	.atomic_disable = mtk_dp_bridge_atomic_disable,
> +	.post_disable = mtk_dp_bridge_post_disable,
Use the atomic variant here as .post_disable is deprecated.

> +	.get_edid = mtk_dp_get_edid,
> +	.detect = mtk_dp_bdg_detect,
> +};

Everything else I skimmed looked fine. But it was a quick skim so..

	Sam