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

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Message-ID: <CABTCjFABEY0urmgrr5E3-oq9u_aNR8KcCTMpJpoGLOTPOfKAGg@mail.gmail.com>
Date: Wed, 19 Jun 2024 16:27:40 +0300
From: Dzmitry Sankouski <dsankouski@...il.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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

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