linux-kernel - [PATCH -next] drm/amd/powerplay: Use bitwise instead of arithmetic operator for flags

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Message-ID: <20200221122139.148664-1-chenzhou10@huawei.com>
Date:   Fri, 21 Feb 2020 20:21:39 +0800
From:   Chen Zhou <chenzhou10@...wei.com>
To:     <evan.quan@....com>, <alexander.deucher@....com>,
        <christian.koenig@....com>, <David1.Zhou@....com>,
        <airlied@...ux.ie>, <daniel@...ll.ch>
CC:     <kenneth.feng@....com>, <amd-gfx@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <chenzhou10@...wei.com>
Subject: [PATCH -next] drm/amd/powerplay: Use bitwise instead of arithmetic operator for flags

This silences the following coccinelle warning:

"WARNING: sum of probable bitmasks, consider |"

Signed-off-by: Chen Zhou <chenzhou10@...wei.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 92a65e3d..f29f95b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3382,7 +3382,7 @@ static int vega10_populate_and_upload_sclk_mclk_dpm_levels(
 	}
 
 	if (data->need_update_dpm_table &
-			(DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK + DPMTABLE_UPDATE_SOCCLK)) {
+			(DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK | DPMTABLE_UPDATE_SOCCLK)) {
 		result = vega10_populate_all_graphic_levels(hwmgr);
 		PP_ASSERT_WITH_CODE((0 == result),
 				"Failed to populate SCLK during PopulateNewDPMClocksStates Function!",
@@ -3390,7 +3390,7 @@ static int vega10_populate_and_upload_sclk_mclk_dpm_levels(
 	}
 
 	if (data->need_update_dpm_table &
-			(DPMTABLE_OD_UPDATE_MCLK + DPMTABLE_UPDATE_MCLK)) {
+			(DPMTABLE_OD_UPDATE_MCLK | DPMTABLE_UPDATE_MCLK)) {
 		result = vega10_populate_all_memory_levels(hwmgr);
 		PP_ASSERT_WITH_CODE((0 == result),
 				"Failed to populate MCLK during PopulateNewDPMClocksStates Function!",
-- 
2.7.4