Re: [PATCH v6 drm-dp 5/5] drm/hisilicon/hibmc: add dp module in hibmc
From: Dmitry Baryshkov
Date: Thu Dec 05 2024 - 18:31:14 EST
On Mon, Dec 02, 2024 at 09:13:22PM +0800, Yongbang Shi wrote:
> From: baihan li <libaihan@xxxxxxxxxx>
>
> To support DP interface displaying in hibmc driver. Add
> a encoder and connector for DP modual. The HPD function
> and get_edid function will be add in next series, so temporarily
> using 1024x768 as default in hibmc_dp_connector_get_modes()
>
> Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx>
> Signed-off-by: Yongbang Shi <shiyongbang@xxxxxxxxxx>
> ---
> ChangeLog:
> v5 -> v6:
> - adding hpd and get_edid comments in the beginning of patch, suggested by Dmitry Baryshkov.
> v3 -> v4:
> - static inline hibmc_dp_prepare(), suggested by Dmitry Baryshkov.
> ---
> drivers/gpu/drm/hisilicon/hibmc/Makefile | 2 +-
> .../gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c | 118 ++++++++++++++++++
> .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 12 ++
> .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 5 +
> 4 files changed, 136 insertions(+), 1 deletion(-)
> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c
>
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index 8c488c98ac97..388e4fb4fcaf 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -28,6 +28,10 @@
> #include "hibmc_drm_drv.h"
> #include "hibmc_drm_regs.h"
>
> +#define HIBMC_DP_HOST_SERDES_CTRL 0x1f001c
> +#define HIBMC_DP_HOST_SERDES_CTRL_VAL 0x8A00
> +#define HIBMC_DP_HOST_SERDES_CTRL_MASK 0x7FFFF
Nit: lowercase hex
Other than that:
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
--
With best wishes
Dmitry