drm/amdgpu: add set/get mca debug mode operations

Record the debug mode status in RAS.

Signed-off-by: Tao Zhou <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Tao Zhou

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

@@ -3311,6 +3311,27 @@ int amdgpu_ras_reset_gpu(struct amdgpu_device *adev)
 	return 0;
 }
 
+void amdgpu_ras_set_mca_debug_mode(struct amdgpu_device *adev, bool enable)
+{
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+
+	if (con)
+		con->is_mca_debug_mode = enable;
+}
+
+bool amdgpu_ras_get_mca_debug_mode(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+	const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
+
+	if (!con)
+		return false;
+
+	if (mca_funcs && mca_funcs->mca_set_debug_mode)
+		return con->is_mca_debug_mode;
+	else
+		return true;
+}
 
 /* Register each ip ras block into amdgpu ras */
 int amdgpu_ras_register_ras_block(struct amdgpu_device *adev,

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h

@@ -434,6 +434,8 @@ struct amdgpu_ras {
 
 	/* Indicates smu whether need update bad channel info */
 	bool update_channel_flag;
+	/* Record status of smu mca debug mode */
+	bool is_mca_debug_mode;
 
 	/* Record special requirements of gpu reset caller */
 	uint32_t  gpu_reset_flags;
@@ -768,6 +770,9 @@ struct amdgpu_ras* amdgpu_ras_get_context(struct amdgpu_device *adev);
 
 int amdgpu_ras_set_context(struct amdgpu_device *adev, struct amdgpu_ras *ras_con);
 
+void amdgpu_ras_set_mca_debug_mode(struct amdgpu_device *adev, bool enable);
+bool amdgpu_ras_get_mca_debug_mode(struct amdgpu_device *adev);
+
 int amdgpu_ras_register_ras_block(struct amdgpu_device *adev,
 				struct amdgpu_ras_block_object *ras_block_obj);
 void amdgpu_ras_interrupt_fatal_error_handler(struct amdgpu_device *adev);