BACO - Bus Active, Chip Off
Check the BACO capabilities from the powerplay table.
v2: drop unrelated struct cleanup
Reviewed-by: Evan Quan evan.quan@amd.com (v1) Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/soc15.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 305ad3eec987..1acbb38f6384 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -599,6 +599,28 @@ static int soc15_asic_reset(struct amdgpu_device *adev) } }
+static bool soc15_supports_baco(struct amdgpu_device *adev) +{ + bool baco_support; + + switch (adev->asic_type) { + case CHIP_VEGA10: + case CHIP_VEGA12: + soc15_asic_get_baco_capability(adev, &baco_support); + break; + case CHIP_VEGA20: + if (adev->psp.sos_fw_version >= 0x80067) + soc15_asic_get_baco_capability(adev, &baco_support); + else + baco_support = false; + break; + default: + return false; + } + + return baco_support; +} + /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock, u32 cntl_reg, u32 status_reg) { @@ -999,6 +1021,7 @@ static const struct amdgpu_asic_funcs soc15_asic_funcs = .get_pcie_usage = &soc15_get_pcie_usage, .need_reset_on_init = &soc15_need_reset_on_init, .get_pcie_replay_count = &soc15_get_pcie_replay_count, + .supports_baco = &soc15_supports_baco, };
static const struct amdgpu_asic_funcs vega20_asic_funcs = @@ -1020,6 +1043,7 @@ static const struct amdgpu_asic_funcs vega20_asic_funcs = .get_pcie_usage = &vega20_get_pcie_usage, .need_reset_on_init = &soc15_need_reset_on_init, .get_pcie_replay_count = &soc15_get_pcie_replay_count, + .supports_baco = &soc15_supports_baco, };
static int soc15_common_early_init(void *handle)