linux-kernel - Re: [PATCH] drm/panel: mantix: Transition to multi-context write sequence

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Message-ID: <Zs3f9LIS1PenwMMX@embed-PC.myguest.virtualbox.org>
Date: Tue, 27 Aug 2024 19:47:24 +0530
From: Abhishek Tamboli <abhishektamboli9@...il.com>
To: Guido Günther <agx@...xcpu.org>
Cc: kernel@...i.sm, neil.armstrong@...aro.org,
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
	tzimmermann@...e.de, airlied@...il.com, daniel@...ll.ch,
	quic_jesszhan@...cinc.com, skhan@...uxfoundation.org,
	rbmarliere@...il.com,
	linux-kernel-mentees@...ts.linuxfoundation.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel: mantix: Transition to multi-context write
 sequence

On Mon, Aug 26, 2024 at 08:03:54PM +0200, Guido Günther wrote:
> Hi Abhishektamboli,
> 
> I think this was already handled in
> 
> https://lore.kernel.org/dri-devel/20240820091556.1032726-2-tejasvipin76@gmail.com/
> 
> and applied
> 
> https://lore.kernel.org/dri-devel/172414629205.2571141.13215409630895562248.b4-ty@linaro.org/#t
> 
Hi Guido,
Thanks for letting me know.

Regards,
Abhishek
> 
> On Mon, Aug 26, 2024 at 09:33:28PM +0530, Abhishek Tamboli wrote:
> > Replace deprecated 'mipi_dsi_generic_write_seq()' macro
> > to 'mipi_dsi_generic_write_seq_multi()' macro in mantix_init_sequence
> > function.
> > 
> > Signed-off-by: Abhishek Tamboli <abhishektamboli9@...il.com>
> > ---
> >  .../gpu/drm/panel/panel-mantix-mlaf057we51.c  | 19 +++++++++++--------
> >  1 file changed, 11 insertions(+), 8 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
> > index ea4a6bf6d35b..f276c65cc9bb 100644
> > --- a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
> > +++ b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
> > @@ -49,22 +49,25 @@ static int mantix_init_sequence(struct mantix *ctx)
> >  {
> >  	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
> >  	struct device *dev = ctx->dev;
> > +	struct mipi_dsi_multi_context dsi_ctx = {
> > +		.dsi = dsi
> > +	};
> > 
> >  	/*
> >  	 * Init sequence was supplied by the panel vendor.
> >  	 */
> > -	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A);
> > 
> > -	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_INT_CANCEL, 0x03);
> > -	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x03);
> > -	mipi_dsi_generic_write_seq(dsi, 0x80, 0xA9, 0x00);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, MANTIX_CMD_INT_CANCEL, 0x03);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x03);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0x80, 0xA9, 0x00);
> > 
> > -	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x09);
> > -	mipi_dsi_generic_write_seq(dsi, 0x80, 0x64, 0x00, 0x64, 0x00, 0x00);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x09);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0x80, 0x64, 0x00, 0x64, 0x00, 0x00);
> >  	msleep(20);
> > 
> > -	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_SPI_FINISH, 0xA5);
> > -	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x00, 0x2F);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, MANTIX_CMD_SPI_FINISH, 0xA5);
> > +	mipi_dsi_generic_write_seq_multi(&dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x00, 0x2F);
> >  	msleep(20);
> > 
> >  	dev_dbg(dev, "Panel init sequence done\n");
> > --
> > 2.34.1
> >