[PATCH 4/4] drm/amd/pm: use bitmap_{from,to}_arr32 where appropriate
Yury Norov
yury.norov at gmail.com
Wed Apr 20 22:41:28 UTC 2022
The smu_v1X_0_set_allowed_mask() uses bitmap_copy() to convert
bitmap to 32-bit array. This may be wrong due to endianness issues.
Fix it by switching to bitmap_{from,to}_arr32.
Signed-off-by: Yury Norov <yury.norov at gmail.com>
---
drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 2 +-
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
index b87f550af26b..5f8809f6990d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
@@ -781,7 +781,7 @@ int smu_v11_0_set_allowed_mask(struct smu_context *smu)
goto failed;
}
- bitmap_copy((unsigned long *)feature_mask, feature->allowed, 64);
+ bitmap_to_arr32(feature_mask, feature->allowed, 64);
ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetAllowedFeaturesMaskHigh,
feature_mask[1], NULL);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index cf09e30bdfe0..747430ce6394 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -730,7 +730,7 @@ int smu_v13_0_set_allowed_mask(struct smu_context *smu)
feature->feature_num < 64)
return -EINVAL;
- bitmap_copy((unsigned long *)feature_mask, feature->allowed, 64);
+ bitmap_to_arr32(feature_mask, feature->allowed, 64);
ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetAllowedFeaturesMaskHigh,
feature_mask[1], NULL);
--
2.32.0
More information about the amd-gfx
mailing list