linux-kernel - Re: [PATCH v6 14/17] drm/msm/dpu: Implement 10-bit color alpha for v12.0 DPU

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Message-ID: <82733f35-f5d4-4927-b2f3-4d739b388bc3@linaro.org>
Date: Wed, 11 Jun 2025 08:21:04 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>,
 Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>,
 Marijn Suijten <marijn.suijten@...ainline.org>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Krishna Manikandan <quic_mkrishn@...cinc.com>,
 Jonathan Marek <jonathan@...ek.ca>, Kuogee Hsieh <quic_khsieh@...cinc.com>,
 Dmitry Baryshkov <lumag@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Clark <robin.clark@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
 Abel Vesa <abel.vesa@...aro.org>, Srinivas Kandagatla <srini@...nel.org>,
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: Re: [PATCH v6 14/17] drm/msm/dpu: Implement 10-bit color alpha for
 v12.0 DPU

On 10/06/2025 16:10, Neil Armstrong wrote:
> On 10/06/2025 16:05, Krzysztof Kozlowski wrote:
>> v12.0 DPU on SM8750 comes with 10-bit color alpha.  Add register
>> differences and new implementations of setup_alpha_out(),
>> setup_border_color() and setup_blend_config().
>>
>> Notable changes in v6:
>> Correct fg_alpha shift on new DPU, pointed out by Abel Vesas.
> 
> -------------------------------------------------------- Vesa
> 
> Not sure this should be in the commit message.

DRM, at least multiple DRM-subsystems, adds full changelogs to the
commit msg, so I think adding notable part is worth.

Best regards,
Krzysztof