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

Marco Felsch
2020-03-03T07:33:26Z

Hi Ville,

On 20-03-02 22:34, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@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@cn-eng.de>
> Cc: Marco Felsch <m.felsch@pengutronix.de>
> Cc: Thierry Reding <treding@nvidia.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala@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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