[04/20] drm/amdgpu: add supports_baco callback for CIK asics.
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Message ID 20191115165038.56646-5-alexander.deucher@amd.com
State New
Headers show
Series
  • Enable BACO for power savings (v3)
Related show

Commit Message

Alex Deucher Nov. 15, 2019, 4:50 p.m. UTC
BACO - Bus Active, Chip Off

Check the BACO capabilities from the powerplay table.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/cik.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Patch
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diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index 2d64d270725d..968bc706b94d 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1310,6 +1310,23 @@  static int cik_asic_pci_config_reset(struct amdgpu_device *adev)
 	return r;
 }
 
+static bool cik_asic_supports_baco(struct amdgpu_device *adev)
+{
+	bool baco_support;
+
+	switch (adev->asic_type) {
+	case CHIP_BONAIRE:
+	case CHIP_HAWAII:
+		smu7_asic_get_baco_capability(adev, &baco_support);
+		break;
+	default:
+		baco_support = false;
+		break;
+	}
+
+	return baco_support;
+}
+
 static enum amd_reset_method
 cik_asic_reset_method(struct amdgpu_device *adev)
 {
@@ -1899,6 +1916,7 @@  static const struct amdgpu_asic_funcs cik_asic_funcs =
 	.get_pcie_usage = &cik_get_pcie_usage,
 	.need_reset_on_init = &cik_need_reset_on_init,
 	.get_pcie_replay_count = &cik_get_pcie_replay_count,
+	.supports_baco = &cik_asic_supports_baco,
 };
 
 static int cik_common_early_init(void *handle)