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drm/amd/pm: use bitmap_{from,to}_arr32 where appropriate

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[ Upstream commit 525d651560 ]

The smu_v1X_0_set_allowed_mask() uses bitmap_copy() to convert
bitmap to 32-bit array. This may be wrong due to endiannes issues.
Fix it by switching to bitmap_{from,to}_arr32.

CC: Alexander Gordeev <agordeev@linux.ibm.com>
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Christian Borntraeger <borntraeger@linux.ibm.com>
CC: Claudio Imbrenda <imbrenda@linux.ibm.com>
CC: David Hildenbrand <david@redhat.com>
CC: Heiko Carstens <hca@linux.ibm.com>
CC: Janosch Frank <frankja@linux.ibm.com>
CC: Rasmus Villemoes <linux@rasmusvillemoes.dk>
CC: Sven Schnelle <svens@linux.ibm.com>
CC: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yury Norov 2022-04-28 13:51:16 -07:00 • committed by Justin Hammond
parent 64379c42e8
commit 286b11dc40
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
View file

@ -772,7 +772,7 @@ 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);

2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
View file

@ -721,7 +721,7 @@ int smu_v13_0_set_allowed_mask(struct smu_context *smu)
if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) || feature->feature_num < 64)
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);