Re: [PATCH 2/7] drm: adv7511: Add max_mode_clock variable to struct adv7511_chip_info

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On Sun, Aug 13, 2023 at 1:05 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
>
> The ADV7533 supports a maximum pixel clock of 80MHz whereas it is 148.5MHz
> for ADV7535.  Add max_mode_clock variable to struct adv7511_chip_info to
> handle this difference.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

For the series:

Reviewed-by: Adam Ford <aford173@xxxxxxxxx>
Tested-by: Adam Ford <aford173@xxxxxxxxx> #imx8mm-beacon

> ---
>  drivers/gpu/drm/bridge/adv7511/adv7511.h     | 1 +
>  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 6 ++++--
>  drivers/gpu/drm/bridge/adv7511/adv7533.c     | 2 +-
>  3 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
> index 59e8ef10d72e..f8190442ffca 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
> @@ -335,6 +335,7 @@ enum adv7511_type {
>
>  struct adv7511_chip_info {
>         enum adv7511_type type;
> +       unsigned long max_mode_clock;
>  };
>
>  struct adv7511 {
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> index 013d8d640ef4..193b2d5bc7e6 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -1371,11 +1371,13 @@ static const struct adv7511_chip_info adv7511_chip_info = {
>  };
>
>  static const struct adv7511_chip_info adv7533_chip_info = {
> -       .type = ADV7533
> +       .type = ADV7533,
> +       .max_mode_clock = 80000
>  };
>
>  static const struct adv7511_chip_info adv7535_chip_info = {
> -       .type = ADV7535
> +       .type = ADV7535,
> +       .max_mode_clock = 148500
>  };
>
>  static const struct i2c_device_id adv7511_i2c_ids[] = {
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c
> index c452c4dc1c3f..e92b27e0afd1 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c
> @@ -108,7 +108,7 @@ enum drm_mode_status adv7533_mode_valid(struct adv7511 *adv,
>         u8 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
>
>         /* Check max clock for either 7533 or 7535 */
> -       if (mode->clock > (adv->info->type == ADV7533 ? 80000 : 148500))
> +       if (mode->clock > adv->info->max_mode_clock)
>                 return MODE_CLOCK_HIGH;
>
>         /* Check max clock for each lane */
> --
> 2.25.1
>




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