[-next] drm/amd/powerplay: Use bitwise instead of arithmetic operator for flags
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Message ID 20200221122139.148664-1-chenzhou10@huawei.com
State New
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  • [-next] drm/amd/powerplay: Use bitwise instead of arithmetic operator for flags
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Commit Message

Chen Zhou Feb. 21, 2020, 12:21 p.m. UTC
This silences the following coccinelle warning:

"WARNING: sum of probable bitmasks, consider |"

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

Comments

Quan, Evan Feb. 24, 2020, 3:21 a.m. UTC | #1
Thanks. Reviewed-by: Evan Quan <evan.quan@amd.com>

-----Original Message-----
From: Chen Zhou <chenzhou10@huawei.com> 
Sent: Friday, February 21, 2020 8:22 PM
To: Quan, Evan <Evan.Quan@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Koenig, Christian <Christian.Koenig@amd.com>; Zhou, David(ChunMing) <David1.Zhou@amd.com>; airlied@linux.ie; daniel@ffwll.ch
Cc: Feng, Kenneth <Kenneth.Feng@amd.com>; amd-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; chenzhou10@huawei.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@huawei.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
Alex Deucher Feb. 25, 2020, 3:13 p.m. UTC | #2
On Sun, Feb 23, 2020 at 10:21 PM Quan, Evan <Evan.Quan@amd.com> wrote:
>
> Thanks. Reviewed-by: Evan Quan <evan.quan@amd.com>
>

Applied.  Thanks!

Alex

> -----Original Message-----
> From: Chen Zhou <chenzhou10@huawei.com>
> Sent: Friday, February 21, 2020 8:22 PM
> To: Quan, Evan <Evan.Quan@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Koenig, Christian <Christian.Koenig@amd.com>; Zhou, David(ChunMing) <David1.Zhou@amd.com>; airlied@linux.ie; daniel@ffwll.ch
> Cc: Feng, Kenneth <Kenneth.Feng@amd.com>; amd-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; chenzhou10@huawei.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@huawei.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
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

Patch
diff mbox series

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!",