[PATCH 15/33] drm/panel-simple: Fix dotclock for EDT ET035012DM6

Marco Felsch m.felsch at pengutronix.de
Tue Mar 3 07:33:20 UTC 2020


Hi Ville,

On 20-03-02 22:34, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> The currently listed dotclock disagrees with the currently
> listed vrefresh rate. Change the dotclock to match the vrefresh.
> 
> Someone tell me which (if either) of the dotclock or vreresh is
> correct?

Pls, check the datasheet which is linked within the comment. We hit the
vrefresh exactly if we are in SYNC MODE.

Regards,
  Marco

> Cc: Andreas Pretzsch <apr at cn-eng.de>
> Cc: Marco Felsch <m.felsch at pengutronix.de>
> Cc: Thierry Reding <treding at nvidia.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/panel/panel-simple.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 93e5bc32fb59..35750229189f 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1342,7 +1342,7 @@ static const struct panel_desc dlc_dlc1010gig = {
>  };
>  
>  static const struct drm_display_mode edt_et035012dm6_mode = {
> -	.clock = 6500,
> +	.clock = 6414,
>  	.hdisplay = 320,
>  	.hsync_start = 320 + 20,
>  	.hsync_end = 320 + 20 + 30,
> -- 
> 2.24.1
> 
> 

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