linux-kernel - [PATCH] drm/amd/pm: make power values signed

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Message-Id: <20231109084110.4056-1-jose.pekkarinen@foxhound.fi>
Date:   Thu,  9 Nov 2023 10:41:10 +0200
From:   José Pekkarinen <jose.pekkarinen@...hound.fi>
To:     evan.quan@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com,
        skhan@...uxfoundation.org
Cc:     José Pekkarinen <jose.pekkarinen@...hound.fi>,
        airlied@...il.com, daniel@...ll.ch, jdelvare@...e.com,
        linux@...ck-us.net, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linux.dev
Subject: [PATCH] drm/amd/pm: make power values signed

The following patch will convert the power values returned by
amdgpu_hwmon_get_power to signed, fixing the following warnings reported
by coccinelle:

drivers/gpu/drm/amd/pm/amdgpu_pm.c:2801:5-8: WARNING: Unsigned expression compared with zero: val < 0
drivers/gpu/drm/amd/pm/amdgpu_pm.c:2814:5-8: WARNING: Unsigned expression compared with zero: val < 0

Signed-off-by: José Pekkarinen <jose.pekkarinen@...hound.fi>
---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index e7bb1d324084..913ff62d5d5e 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2795,7 +2795,7 @@ static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
 					   struct device_attribute *attr,
 					   char *buf)
 {
-	unsigned int val;
+	int val;
 
 	val = amdgpu_hwmon_get_power(dev, AMDGPU_PP_SENSOR_GPU_AVG_POWER);
 
@@ -2806,7 +2806,7 @@ static ssize_t amdgpu_hwmon_show_power_input(struct device *dev,
 					     struct device_attribute *attr,
 					     char *buf)
 {
-	unsigned int val;
+	int val;
 
 	val = amdgpu_hwmon_get_power(dev, AMDGPU_PP_SENSOR_GPU_INPUT_POWER);
 
-- 
2.39.2