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

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Message-ID: <9fccde38-273d-faec-7a5f-b521d4daf559@linaro.org>
Date:   Thu, 20 Apr 2023 02:15:03 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Arnaud Vrac <avrac@...ebox.fr>, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        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 19/04/2023 17:41, 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.

And this matches the hardcoded configuration in msm-4.4

Fixes: 94391a14fc27 ("drm/msm/dpu1: Add MSM8998 to hw catalog")

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

> 
> Signed-off-by: Arnaud Vrac <avrac@...ebox.fr>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_3_0_msm8998.h | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)


-- 
With best wishes
Dmitry