linux-kernel - Re: [PATCH v3 11/23] drm/panel: Add support for S6E3HA8 panel driver

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Message-ID: <c4g235wj3yfdftnwqe3pbupifhy5ploo7chumdgfnl4skzuahf@ftuellx4zwsn>
Date: Thu, 20 Jun 2024 23:13:44 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Dzmitry Sankouski <dsankouski@...il.com>
Cc: Sebastian Reichel <sre@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>, 
	Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Daniel Vetter <daniel@...ll.ch>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>, 
	Dmitry Torokhov <dmitry.torokhov@...il.com>, Pavel Machek <pavel@....cz>, Liam Girdwood <lgirdwood@...il.com>, 
	Mark Brown <broonie@...nel.org>, Uwe Kleine-König <ukleinek@...nel.org>, 
	Krzysztof Kozlowski <krzk@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Chanwoo Choi <cw00.choi@...sung.com>, phone-devel@...r.kernel.org, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-input@...r.kernel.org, 
	linux-leds@...r.kernel.org, linux-pwm@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v3 11/23] drm/panel: Add support for S6E3HA8 panel driver

On Wed, Jun 19, 2024 at 04:27:40PM GMT, Dzmitry Sankouski wrote:
> вт, 18 июн. 2024 г. в 21:39, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>:
> >
> > > +     ret = mipi_dsi_compression_mode(dsi, true);
> > > +     if (ret < 0) {
> > > +             dev_err(dev, "Failed to set compression mode: %d\n", ret);
> > > +             return ret;
> > > +     }
> >
> > Interesting, compression mode is being set before the PPS programming?
> >
> Yes, as per vendor kernel:
> https://github.com/klabit87/twrp_android_samsung_kernel_sdm845/blob/e8bb63039008e1704a2f1bde68d39ded9c16ea88/drivers/gpu/drm/msm/samsung/S6E3HA8_AMB577PX01/dsi_panel_S6E3HA8_AMB577PX01_wqhd_octa_cmd.dtsi#L5508

Ack

-- 
With best wishes
Dmitry