From: Yury Norov yury.norov@gmail.com

[ Upstream commit 525d6515604eb1373ce5e6372a6b6640953b2d6a ]

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 --- 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 87b055466a33..e6c93396434f 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 @@ -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); 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 8d4aa16b2ae7..6211570fb64f 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 @@ -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);