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Message-ID: <20190605082221.GB15169@ravnborg.org>
Date: Wed, 5 Jun 2019 10:22:21 +0200
From: Sam Ravnborg <sam@...nborg.org>
To: Vivek Gautam <vivek.gautam@...eaurora.org>
Cc: airlied@...ux.ie, thierry.reding@...il.com, daniel@...ll.ch,
dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org, bjorn.andersson@...aro.org
Subject: Re: [PATCH 1/1] drm/panel: truly: Add additional delay after pulling
down reset gpio
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@...eaurora.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@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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