linux-kernel - Re: [PATCH] drm/msm/dp: enable widebus on all relevant chipsets

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Message-ID: <xmkcy7xjoaodxnyzbskjb7y5xne444qx4jdrtcgoqwh45aqjn2@4rnbkhr5uuby>
Date: Sun, 14 Jul 2024 01:55:32 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc: freedreno@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>, 
	Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>, 
	David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, dri-devel@...ts.freedesktop.org, 
	quic_jesszhan@...cinc.com, swboyd@...omium.org, dianders@...omium.org, 
	neil.armstrong@...aro.org, andersson@...nel.org, linux-arm-msm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm/dp: enable widebus on all relevant chipsets

On Thu, Jul 11, 2024 at 03:48:50PM GMT, Abhinav Kumar wrote:
> Hardware document indicates that widebus is recommended on DP on all
> MDSS chipsets starting version 5.x.x and above.
> 
> Follow the guideline and mark widebus support on all relevant
> chipsets for DP.
> 
> Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 

Although it doesn't seem to fix the 4k screen corruption, I think it's
still a proper patch (and we should be following hardware
documentation).

With the Fixes tags in place:

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

-- 
With best wishes
Dmitry