[07/21] drm/amdgpu: add supports_baco callback for NV asics.
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Message ID 20191028214216.1508370-8-alexander.deucher@amd.com
State New
Headers show
Series
  • Enable BACO for power savings (v2)
Related show

Commit Message

Alex Deucher Oct. 28, 2019, 9:42 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/nv.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Patch
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diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 22ab1955b923..e88e9b9edcbb 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -294,6 +294,16 @@  static int nv_asic_mode1_reset(struct amdgpu_device *adev)
 	return ret;
 }
 
+static bool nv_asic_supports_baco(struct amdgpu_device *adev)
+{
+	struct smu_context *smu = &adev->smu;
+
+	if (smu_baco_is_support(smu))
+		return true;
+	else
+		return false;
+}
+
 static enum amd_reset_method
 nv_asic_reset_method(struct amdgpu_device *adev)
 {
@@ -586,6 +596,7 @@  static const struct amdgpu_asic_funcs nv_asic_funcs =
 	.need_full_reset = &nv_need_full_reset,
 	.get_pcie_usage = &nv_get_pcie_usage,
 	.need_reset_on_init = &nv_need_reset_on_init,
+	.supports_baco = &nv_asic_supports_baco,
 };
 
 static int nv_common_early_init(void *handle)