1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3981-drm-amdgpu-add-asic-need_full_reset-callback.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3981-drm-amdgpu-add-asic-need_full_reset-callback.patch
new file mode 100644
index 00000000..cfe1dae9
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3981-drm-amdgpu-add-asic-need_full_reset-callback.patch
@@ -0,0 +1,38 @@
+From e19a2f1231594aae3c596e71b6b28ca731f6db6e Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Thu, 29 Mar 2018 13:51:28 -0500
+Subject: [PATCH 3981/4131] drm/amdgpu: add asic need_full_reset callback
+
+Allow us to determine at the soc level whether the
+asic requires full reset or if soft reset will work.
+
+Reviewed-by: Huang Rui <ray.huang@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+index 6f57560..571e77d 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+@@ -1224,6 +1224,8 @@ struct amdgpu_asic_funcs {
+ 	/* invalidate hdp read cache */
+ 	void (*invalidate_hdp)(struct amdgpu_device *adev,
+ 			       struct amdgpu_ring *ring);
++	/* check if the asic needs a full reset of if soft reset will work */
++	bool (*need_full_reset)(struct amdgpu_device *adev);
+ };
+ 
+ /*
+@@ -1838,6 +1840,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
+ #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
+ #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
+ #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
++#define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
+ #define amdgpu_gmc_flush_gpu_tlb(adev, vmid) (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid))
+ #define amdgpu_gmc_emit_flush_gpu_tlb(r, vmid, addr) (r)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((r), (vmid), (addr))
+ #define amdgpu_gmc_emit_pasid_mapping(r, vmid, pasid) (r)->adev->gmc.gmc_funcs->emit_pasid_mapping((r), (vmid), (pasid))
+-- 
+2.7.4
+