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drm/amd/pm: check specific index for aldebaran

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[ Upstream commit 0ce8ef2639 ]

Check for specific indexes that may be invalid values.

Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jesse Zhang 2024-05-08 17:13:28 +08:00 committed by Greg Kroah-Hartman
parent 4ab720b6aa
commit d0230b3720
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
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@ -1931,7 +1931,8 @@ static int aldebaran_mode2_reset(struct smu_context *smu)
index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG,
SMU_MSG_GfxDeviceDriverReset); SMU_MSG_GfxDeviceDriverReset);
if (index < 0 )
return -EINVAL;
mutex_lock(&smu->message_lock); mutex_lock(&smu->message_lock);
if (smu_version >= 0x00441400) { if (smu_version >= 0x00441400) {
ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, SMU_RESET_MODE_2); ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, SMU_RESET_MODE_2);