linux-kernel - Re: [PATCH] drm/msm/a6xx: request memory region

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Date: Fri, 7 Jun 2024 23:30:15 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Kiarash Hajian <kiarash8112hajian@...il.com>
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>, 
	Daniel Vetter <daniel@...ll.ch>, linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm/a6xx: request memory region

On Fri, Jun 07, 2024 at 10:00:04AM -0400, Kiarash Hajian wrote:
> The driver's memory regions are currently just ioremap()ed, but not
> reserved through a request. That's not a bug, but having the request is
> a little more robust.
> 
> Implement the region-request through the corresponding managed
> devres-function.

Please at least compile-test the patch before sending.

> 
> Signed-off-by: Kiarash Hajian <kiarash8112hajian@...il.com>
> ---
> To: Rob Clark <robdclark@...il.com>
> To: Abhinav Kumar <quic_abhinavk@...cinc.com>
> To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> To: Sean Paul <sean@...rly.run>
> To: Marijn Suijten <marijn.suijten@...ainline.org>
> To: David Airlie <airlied@...il.com>
> To: Daniel Vetter <daniel@...ll.ch>
> Cc: linux-arm-msm@...r.kernel.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: freedreno@...ts.freedesktop.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Kiarash Hajian <kiarash8112hajian@...il.com>
> 
> Changes in v5:
>     - Fix errorhanlding problems.
>     - Link to v4: https://lore.kernel.org/r/20240512-msm-adreno-memory-region-v4-1-3881a64088e6@gmail.com
>     
>     Changes in v4:
>     - Combine v3 commits into a singel commit
>     - Link to v3: https://lore.kernel.org/r/20240512-msm-adreno-memory-region-v3-0-0a728ad45010@gmail.com
>     
>     Changes in v3:
>     - Remove redundant devm_iounmap calls, relying on devres for automatic resource cleanup.
>     
>     Changes in v2:
>     - update the subject prefix to "drm/msm/a6xx:", to match the majority of other changes to this file.
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 33 +++++++++++++++------------------
>  1 file changed, 15 insertions(+), 18 deletions(-)
> 

-- 
With best wishes
Dmitry