linux-kernel - Re: [PATCH v3 20/21] drm/msm/dpu: Implement LM crossbar for v12.0 DPU

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Message-ID: <vdayz63gfjnm7rwaamd36i5fbgtaedvpobuvp5u76iypdrwcsq@atgj263lo5g6>
Date: Fri, 21 Feb 2025 18:27:05 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Rob Clark <robdclark@...il.com>, 
	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>, 
	Neil Armstrong <neil.armstrong@...aro.org>, linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Srini Kandagatla <srinivas.kandagatla@...aro.org>, Rob Clark <robdclark@...omium.org>
Subject: Re: [PATCH v3 20/21] drm/msm/dpu: Implement LM crossbar for v12.0 DPU

On Fri, Feb 21, 2025 at 04:24:30PM +0100, Krzysztof Kozlowski wrote:
> v12.0 DPU on SM8750 comes with new LM crossbar that requires each pipe
> rectangle to be programmed separately in blend stage.  Implement support
> for this along with a new CTL_LAYER_ACTIVE register and setting the
> blend stage in layer mixer code.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Changes in v3:
> 1. New patch, split from previous big DPU v12.0.
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c    |  18 +++-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c |   6 ++
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c  |  27 +++++-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h  |   9 ++
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c   | 126 ++++++++++++++++++++++++++++
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.h   |  18 ++++
>  6 files changed, 201 insertions(+), 3 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>


-- 
With best wishes
Dmitry