1 files changed, 59 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4542-drm-amdgpu-add-supports_baco-callback-for-VI-asics.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4542-drm-amdgpu-add-supports_baco-callback-for-VI-asics.patch
new file mode 100644
index 00000000..55340936
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4542-drm-amdgpu-add-supports_baco-callback-for-VI-asics.patch
@@ -0,0 +1,59 @@
+From 3f3118cc21cbe34225274412892b9e191f073159 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Fri, 4 Oct 2019 10:17:05 -0500
+Subject: [PATCH 4542/4736] drm/amdgpu: add supports_baco callback for VI
+ asics.
+
+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/vi.c | 22 ++++++++++++++++++++++
+ 1 file changed, 22 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
+index 34a466e785cb..14228bca071b 100644
+--- a/drivers/gpu/drm/amd/amdgpu/vi.c
++++ b/drivers/gpu/drm/amd/amdgpu/vi.c
+@@ -743,6 +743,27 @@ static int vi_asic_pci_config_reset(struct amdgpu_device *adev)
+ 	return r;
+ }
+ 
++static bool vi_asic_supports_baco(struct amdgpu_device *adev)
++{
++	bool baco_support;
++
++	switch (adev->asic_type) {
++	case CHIP_FIJI:
++	case CHIP_TONGA:
++	case CHIP_POLARIS10:
++	case CHIP_POLARIS11:
++	case CHIP_POLARIS12:
++	case CHIP_TOPAZ:
++		smu7_asic_get_baco_capability(adev, &baco_support);
++		break;
++	default:
++		baco_support = false;
++		break;
++	}
++
++	return baco_support;
++}
++
+ static enum amd_reset_method
+ vi_asic_reset_method(struct amdgpu_device *adev)
+ {
+@@ -1114,6 +1135,7 @@ static const struct amdgpu_asic_funcs vi_asic_funcs =
+ 	.get_pcie_usage = &vi_get_pcie_usage,
+ 	.need_reset_on_init = &vi_need_reset_on_init,
+ 	.get_pcie_replay_count = &vi_get_pcie_replay_count,
++	.supports_baco = &vi_asic_supports_baco,
+ };
+ 
+ #define CZ_REV_BRISTOL(rev)	 \
+-- 
+2.17.1
+