linux-kernel - Re: [PATCH v3 4/5] drm/msm/adreno: Move hwcg table into a6xx specific info

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Tue, 18 Jun 2024 11:30:52 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rob Clark <robdclark@...il.com>
Cc: dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org, 
	freedreno@...ts.freedesktop.org, Rob Clark <robdclark@...omium.org>, Sean Paul <sean@...rly.run>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Abhinav Kumar <quic_abhinavk@...cinc.com>, 
	Marijn Suijten <marijn.suijten@...ainline.org>, David Airlie <airlied@...il.com>, 
	Daniel Vetter <daniel@...ll.ch>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 4/5] drm/msm/adreno: Move hwcg table into a6xx
 specific info

On Mon, Jun 17, 2024 at 03:51:14PM GMT, Rob Clark wrote:
> From: Rob Clark <robdclark@...omium.org>
> 
> Introduce a6xx_info where we can stash gen specific stuff without
> polluting the toplevel adreno_info struct.
> 
> Signed-off-by: Rob Clark <robdclark@...omium.org>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 65 +++++++++++++++++------
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c     |  6 +--
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.h     |  9 ++++
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h   |  6 ++-
>  4 files changed, 67 insertions(+), 19 deletions(-)
> 

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


> @@ -98,7 +100,9 @@ struct adreno_info {
>  	struct msm_gpu *(*init)(struct drm_device *dev);
>  	const char *zapfw;
>  	u32 inactive_period;
> -	const struct adreno_reglist *hwcg;
> +	union {
> +		const struct a6xx_info *a6xx;
> +	};
>  	u64 address_space_size;
>  	/**
>  	 * @speedbins: Optional table of fuse to speedbin mappings

My preference would be towards wrapping the adreno_gpu, but that would
require more significant rework of the driver. Let's see if we can get
to that later.

-- 
With best wishes
Dmitry