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Message-ID: <43149aa6-e6b9-487b-9d98-e2281d65e2bb@quicinc.com>
Date: Wed, 20 Mar 2024 13:38:09 -0700
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Heiko Stuebner <heiko@...ech.de>, <neil.armstrong@...aro.org>,
<sam@...nborg.org>
CC: <maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
<tzimmermann@...e.de>, <quentin.schulz@...obroma-systems.com>,
<klaus.goger@...obroma-systems.com>, <dri-devel@...ts.freedesktop.org>,
<linux-kernel@...r.kernel.org>,
Heiko Stuebner <heiko.stuebner@...rry.de>
Subject: Re: [PATCH 1/2] drm/panel: ltk050h3146w: add MIPI_DSI_MODE_VIDEO to
LTK050H3148W flags
On 3/20/2024 6:12 AM, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@...rry.de>
>
> Similar to other variants, the LTK050H3148W wants to run in video mode
> when displaying data. So far only the Synopsis DSI driver was using this
> panel and it is always switching to video mode, independent of this flag
> being set.
>
> Other DSI drivers might handle this differently, so add the flag.
>
> Fixes: e5f9d543419c ("drm/panel: ltk050h3146w: add support for Leadtek LTK050H3148W-CTA6 variant")
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...rry.de>
Hi Heiko,
Acked-by: Jessica Zhang <quic_jesszhan@...cinc.com>
Thanks,
Jessica Zhang
> ---
> drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
> index 30919c872ac8..a50f5330a661 100644
> --- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
> +++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
> @@ -326,7 +326,8 @@ static const struct drm_display_mode ltk050h3148w_mode = {
> static const struct ltk050h3146w_desc ltk050h3148w_data = {
> .mode = <k050h3148w_mode,
> .init = ltk050h3148w_init_sequence,
> - .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO_BURST,
> + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
> + MIPI_DSI_MODE_VIDEO_BURST,
> };
>
> static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx)
> --
> 2.39.2
>
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