linux-kernel - Re: [PATCH 10/11] drm/msm/dpu: tweak lm pairings in msm8998 hw catalog

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Message-ID: <4228ade9-fab2-7732-4143-3edeb1de2059@quicinc.com>
Date:   Mon, 24 Apr 2023 18:05:24 -0700
From:   Abhinav Kumar <quic_abhinavk@...cinc.com>
To:     Arnaud Vrac <avrac@...ebox.fr>, Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
CC:     <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 10/11] drm/msm/dpu: tweak lm pairings in msm8998 hw
 catalog



On 4/19/2023 7:41 AM, Arnaud Vrac wrote:
> Change lm blocks pairs so that lm blocks with the same features are
> paired together:
> 
> LM_0 and LM_1 with PP and DSPP
> LM_2 and LM_5 with PP
> LM_3 and LM_4
> 
> This matches the sdm845 configuration and allows using pp or dspp when 2
> lm blocks are needed in the topology. In the previous config the
> reservation code could never find an lm pair without a matching feature
> set.
> 
> Signed-off-by: Arnaud Vrac <avrac@...ebox.fr>

Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>