linux-kernel - [PATCH v8 15/18] drm/msm/a6xx: Use "else if" in GPU speedbin rev matching

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]

Message-Id: <20230223-topic-gmuwrapper-v8-15-69c68206609e@linaro.org>
Date:   Mon, 29 May 2023 15:52:34 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Clark <robdclark@...omium.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v8 15/18] drm/msm/a6xx: Use "else if" in GPU speedbin rev
 matching

The GPU can only be one at a time. Turn a series of ifs into if +
elseifs to save some CPU cycles.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 1a29e7dd9975..5faa85543428 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -2170,16 +2170,16 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse)
 	if (adreno_cmp_rev(ADRENO_REV(6, 1, 8, ANY_ID), rev))
 		val = a618_get_speed_bin(fuse);
 
-	if (adreno_cmp_rev(ADRENO_REV(6, 1, 9, ANY_ID), rev))
+	else if (adreno_cmp_rev(ADRENO_REV(6, 1, 9, ANY_ID), rev))
 		val = a619_get_speed_bin(fuse);
 
-	if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev))
+	else if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev))
 		val = adreno_7c3_get_speed_bin(fuse);
 
-	if (adreno_cmp_rev(ADRENO_REV(6, 4, 0, ANY_ID), rev))
+	else if (adreno_cmp_rev(ADRENO_REV(6, 4, 0, ANY_ID), rev))
 		val = a640_get_speed_bin(fuse);
 
-	if (adreno_cmp_rev(ADRENO_REV(6, 5, 0, ANY_ID), rev))
+	else if (adreno_cmp_rev(ADRENO_REV(6, 5, 0, ANY_ID), rev))
 		val = a650_get_speed_bin(fuse);
 
 	if (val == UINT_MAX) {

-- 
2.40.1