Received-SPF: pass (google.com: domain of linux-kernel+bounces-204596-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
Date: Thu, 6 Jun 2024 18:44:38 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Abhinav Kumar <quic_abhinavk@quicinc.com>
Cc: freedreno@lists.freedesktop.org, Rob Clark <robdclark@gmail.com>, 
	Sean Paul <sean@poorly.run>, Konrad Dybcio <konrad.dybcio@linaro.org>, 
	Marijn Suijten <marijn.suijten@somainline.org>, David Airlie <airlied@gmail.com>, 
	Daniel Vetter <daniel@ffwll.ch>, Connor Abbott <cwabbott0@gmail.com>, 
	dri-devel@lists.freedesktop.org, seanpaul@chromium.org, quic_jesszhan@quicinc.com, 
	nathan@kernel.org, Rob Clark <robdclark@chromium.org>, 
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] drm/msm/a6xx: use __unused__ to fix compiler warnings
 for gen7_* includes
Message-ID: <5b2o5hhq76pa322bum2td4cqqa5333d7rdxxsxulhalt3j24pi@ea7wzku5waf6>
References: <20240605183415.259276-1-quic_abhinavk@quicinc.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20240605183415.259276-1-quic_abhinavk@quicinc.com>

On Wed, Jun 05, 2024 at 11:34:15AM -0700, Abhinav Kumar wrote:
> GCC diagnostic pragma method throws below warnings in some of the versions
> 
> drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:16:9: warning: unknown
> option after '#pragma GCC diagnostic' kind [-Wpragmas]
>   #pragma GCC diagnostic ignored "-Wunused-const-variable"
>           ^
> In file included from drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:18:0:
> drivers/gpu/drm/msm/adreno/adreno_gen7_0_0_snapshot.h:924:19: warning:
> 'gen7_0_0_external_core_regs' defined but not used [-Wunused-variable]
>   static const u32 *gen7_0_0_external_core_regs[] = {
>                     ^
> In file included from drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:19:0:
> drivers/gpu/drm/msm/adreno/adreno_gen7_2_0_snapshot.h:748:19: warning:
> 'gen7_2_0_external_core_regs' defined but not used [-Wunused-variable]
>   static const u32 *gen7_2_0_external_core_regs[] = {
>                     ^
> In file included from drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:20:0:
> drivers/gpu/drm/msm/adreno/adreno_gen7_9_0_snapshot.h:1188:43: warning:
> 'gen7_9_0_sptp_clusters' defined but not used [-Wunused-variable]
>   static struct gen7_sptp_cluster_registers gen7_9_0_sptp_clusters[] = {
>                                             ^
> drivers/gpu/drm/msm/adreno/adreno_gen7_9_0_snapshot.h:1438:19: warning:
> 'gen7_9_0_external_core_regs' defined but not used [-Wunused-variable]
>   static const u32 *gen7_9_0_external_core_regs[] = {
> 
> Remove GCC version dependency by using __unused__ for the unused gen7_* includes.
> 
> Changes in v2:
> 	- Fix the warnings in the commit text
> 	- Use __attribute((__unused__)) instead of local assignment
> 
> changes in v3:
> 	- drop the Link from the auto add
> 
> changes in v4:
> 	- replace __attribute((__unused__)) with __always_unused
> 
> Fixes: 64d6255650d4 ("drm/msm: More fully implement devcoredump for a7xx")
> Suggested-by: Rob Clark <robdclark@chromium.org>
> Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
> 

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


-- 
With best wishes
Dmitry