On Fri, Jun 26, 2015 at 12:27:09PM +0200, Lucas Stach wrote:
> From: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
>
> According to the data sheet, the minimum horizontal blanking interval
> is 54 clocks (1 + 52 + 1), but tests with a Nitrogen6X have shown the
> minimum working horizontal blanking interval to be 60 clocks.
>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/panel/panel-simple.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index dc6a923c89d7..7196b940a928 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -713,7 +713,12 @@ static const struct display_timing hannstar_hsd070pww1_timing = {
> .hactive = { 1280, 1280, 1280 },
> .hfront_porch = { 1, 1, 10 },
> .hback_porch = { 1, 1, 10 },
> - .hsync_len = { 52, 158, 661 },
> + /*
> + * According to the data sheet, the minimum horizontal blanking interval
> + * is 54 clocks (1 + 52 + 1), but tests with a Nitrogen6X have shown the
> + * minimum working horizontal blanking interval to be 60 clocks.
> + */
> + .hsync_len = { 58, 158, 661 },
58 != 60, so which one is the truth here?
Thierry
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