2020-02-21 12:29:09

by chenzhou

[permalink] [raw]
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 <[email protected]>
---
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


2020-02-24 03:22:33

by Evan Quan

[permalink] [raw]
Subject: RE: [PATCH -next] drm/amd/powerplay: Use bitwise instead of arithmetic operator for flags

Thanks. Reviewed-by: Evan Quan <[email protected]>

-----Original Message-----
From: Chen Zhou <[email protected]>
Sent: Friday, February 21, 2020 8:22 PM
To: Quan, Evan <[email protected]>; Deucher, Alexander <[email protected]>; Koenig, Christian <[email protected]>; Zhou, David(ChunMing) <[email protected]>; [email protected]; [email protected]
Cc: Feng, Kenneth <[email protected]>; [email protected]; [email protected]; [email protected]; [email protected]
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 <[email protected]>
---
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

2020-02-25 15:16:03

by Alex Deucher

[permalink] [raw]
Subject: Re: [PATCH -next] drm/amd/powerplay: Use bitwise instead of arithmetic operator for flags

On Sun, Feb 23, 2020 at 10:21 PM Quan, Evan <[email protected]> wrote:
>
> Thanks. Reviewed-by: Evan Quan <[email protected]>
>

Applied. Thanks!

Alex

> -----Original Message-----
> From: Chen Zhou <[email protected]>
> Sent: Friday, February 21, 2020 8:22 PM
> To: Quan, Evan <[email protected]>; Deucher, Alexander <[email protected]>; Koenig, Christian <[email protected]>; Zhou, David(ChunMing) <[email protected]>; [email protected]; [email protected]
> Cc: Feng, Kenneth <[email protected]>; [email protected]; [email protected]; [email protected]; [email protected]
> 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 <[email protected]>
> ---
> 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
>
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