Merge drm/drm-next into drm-intel-gt-next

Daniele needs 84d4333c1e28 ("misc/mei: Add NULL check to component match
callback functions") in order to merge the DG2 HuC patches.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h
new file mode 100644
index 000000000000..c61ba58c5ee0
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __AMDGPU_LSDMA_H__
+#define __AMDGPU_LSDMA_H__
+
+struct amdgpu_lsdma {
+	const struct amdgpu_lsdma_funcs      *funcs;
+};
+
+struct amdgpu_lsdma_funcs {
+	int (*copy_mem)(struct amdgpu_device *adev, uint64_t src_addr,
+			uint64_t dst_addr, uint64_t size);
+	int (*fill_mem)(struct amdgpu_device *adev, uint64_t dst_addr,
+			uint32_t data, uint64_t size);
+	void (*update_memory_power_gating)(struct amdgpu_device *adev, bool enable);
+};
+
+int amdgpu_lsdma_copy_mem(struct amdgpu_device *adev, uint64_t src_addr,
+			  uint64_t dst_addr, uint64_t mem_size);
+int amdgpu_lsdma_fill_mem(struct amdgpu_device *adev, uint64_t dst_addr,
+			  uint32_t data, uint64_t mem_size);
+int amdgpu_lsdma_wait_for(struct amdgpu_device *adev, uint32_t reg_index,
+			  uint32_t reg_val, uint32_t mask);
+
+#endif