[AMD Official Use Only - General] It makes sense. Reviewed-by: Kenneth Feng <[email protected]>
-----Original Message----- From: amd-gfx <[email protected]> On Behalf Of Guchun Chen Sent: Tuesday, January 10, 2023 11:38 AM To: [email protected]; Deucher, Alexander <[email protected]>; Zhang, Hawking <[email protected]>; Lazar, Lijo <[email protected]>; Quan, Evan <[email protected]> Cc: Chen, Guchun <[email protected]> Subject: [PATCH] drm/amd/pm/smu13: BACO is supported when it's in BACO state Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding. This leverages the logc in smu11. No need to talk to SMU to check BACO enablement as it's in BACO state already. Signed-off-by: Guchun Chen <[email protected]> --- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 4 ++++ 1 file changed, 4 insertions(+) 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 ccaedfcf977e..78945e79dbee 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 @@ -2243,6 +2243,10 @@ bool smu_v13_0_baco_is_support(struct smu_context *smu) !smu_baco->platform_support) return false; + /* return true if ASIC is in BACO state already */ + if (smu_v13_0_baco_get_state(smu) == SMU_BACO_STATE_ENTER) + return true; + if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_BACO_BIT) && !smu_cmn_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) return false; -- 2.25.1
