[Public]
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: Zhang, Yifan <Yifan1.Zhang@xxxxxxx>
Sent: Tuesday, October 24, 2023 9:41 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Li, Candice <Candice.Li@xxxxxxx>; Feng, Kenneth <Kenneth.Feng@xxxxxxx>; Zhang, Yifan <Yifan1.Zhang@xxxxxxx> Subject: [PATCH] drm/amd/pm: call smu_cmn_get_smc_version in is_mode1_reset_supported. is_mode1_reset_supported may be called before smu init, when smu_context
is unitialized in driver load/unload test. Call smu_cmn_get_smc_version explicitly is_mode1_reset_supported. Fixes: 5fe5098c64d9 ("drm/amd/pm: drop most smu_cmn_get_smc_version in smu") Signed-off-by: Yifan Zhang <yifan1.zhang@xxxxxxx> --- drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 8 +++++++- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 8 +++++++- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index 090249b6422a..77c3d76c76a2 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -2461,12 +2461,18 @@ static bool sienna_cichlid_is_mode1_reset_supported(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; uint32_t val; + uint32_t smu_version; + int ret; /** * SRIOV env will not support SMU mode1 reset * PM FW support mode1 reset from 58.26 */ - if (amdgpu_sriov_vf(adev) || (smu->smc_fw_version < 0x003a1a00)) + ret = smu_cmn_get_smc_version(smu, NULL, &smu_version); + if (ret) + return false; + + if (amdgpu_sriov_vf(adev) || (smu_version < 0x003a1a00)) return false; /** diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c index b1433973380b..648d5eafb27b 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -2615,13 +2615,19 @@ static int smu_v13_0_0_baco_exit(struct smu_context *smu) static bool smu_v13_0_0_is_mode1_reset_supported(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; + u32 smu_version; + int ret; /* SRIOV does not support SMU mode1 reset */ if (amdgpu_sriov_vf(adev)) return false; /* PMFW support is available since 78.41 */ - if (smu->smc_fw_version < 0x004e2900) + ret = smu_cmn_get_smc_version(smu, NULL, &smu_version); + if (ret) + return false; + + if (smu_version < 0x004e2900) return false; return true; -- 2.37.3 |