[PATCH 1/1] drm/panel: truly: Add additional delay after pulling down reset gpio

Sam Ravnborg sam at ravnborg.org
Wed Jun 5 08:22:21 UTC 2019


Hi Vivek,

On Mon, May 27, 2019 at 03:56:16PM +0530, Vivek Gautam wrote:
> MTP SDM845 panel seems to need additional delay to bring panel
> to a workable state. Running modetest without this change displays
> blurry artifacts.
> 
> Signed-off-by: Vivek Gautam <vivek.gautam at codeaurora.org>

added to drm-misc-next

	Sam

> ---
>  drivers/gpu/drm/panel/panel-truly-nt35597.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-truly-nt35597.c b/drivers/gpu/drm/panel/panel-truly-nt35597.c
> index fc2a66c53db4..aa7153fd3be4 100644
> --- a/drivers/gpu/drm/panel/panel-truly-nt35597.c
> +++ b/drivers/gpu/drm/panel/panel-truly-nt35597.c
> @@ -280,6 +280,7 @@ static int truly_35597_power_on(struct truly_nt35597 *ctx)
>  	gpiod_set_value(ctx->reset_gpio, 1);
>  	usleep_range(10000, 20000);
>  	gpiod_set_value(ctx->reset_gpio, 0);
> +	usleep_range(10000, 20000);
>  
>  	return 0;
>  }
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel


More information about the dri-devel mailing list