linux-kernel - Re: [PATCH v2] drm/panel : truly-nt35521: transition to mipi

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Date: Tue, 11 Jun 2024 08:57:48 -0700
From: Doug Anderson <dianders@...omium.org>
To: Tejas Vipin <tejasvipin76@...il.com>
Cc: neil.armstrong@...aro.org, quic_jesszhan@...cinc.com, 
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de, 
	airlied@...il.com, daniel@...ll.ch, dri-devel@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/panel : truly-nt35521: transition to mipi_dsi
 wrapped functions

Hi,

On Tue, Jun 11, 2024 at 7:44 AM Tejas Vipin <tejasvipin76@...il.com> wrote:
>
> Use functions introduced in commit 966e397e4f60 ("drm/mipi-dsi: Introduce
> mipi_dsi_*_write_seq_multi()") and commit f79d6d28d8fe
> ("drm/mipi-dsi: wrap more functions for streamline handling") for the
> sony tulip truly nt35521 panel.
>
> Signed-off-by: Tejas Vipin <tejasvipin76@...il.com>
> ---
>
> Changes in v2:
>     - Fix patch format
>     - Fix code style
>
> v1: https://lore.kernel.org/all/485eef24-ddad-466a-a89f-f9f226801bb7@gmail.com/
>
> ---
>  .../panel/panel-sony-tulip-truly-nt35521.c    | 435 +++++++++---------
>  1 file changed, 209 insertions(+), 226 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c
> index 6d44970dccd9..5a050352c207 100644
> --- a/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c
> +++ b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c
> @@ -44,248 +44,231 @@ static void truly_nt35521_reset(struct truly_nt35521 *ctx)
>  static int truly_nt35521_on(struct truly_nt35521 *ctx)
>  {
>         struct mipi_dsi_device *dsi = ctx->dsi;
> -       struct device *dev = &dsi->dev;
> -       int ret;
> +
> +       struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };

It's not a huge deal, but normally in the kernel all the variable
declarations are cuddled together. AKA no blank line between the
declaration of "dsi" and the declaration of "dsi_ctx". It would be
awesome if you could send a v3 fixing that. When you send v3, feel
free to add this above your own Signed-off-by:

Reviewed-by: Douglas Anderson <dianders@...omium.org>

...with that, the patch will probably sit on the mailing lists for a
week or two and then get applied. Neil may want to apply it, but if
he's busy I can do it too.

I believe you were planning on tackling some more of the panels. Since
you're still getting started sending patches, maybe keep it to a
smaller batch for now and send another 10 or so? Probably best to keep
it as one panel driver per patch.

-Doug