From: Hawking Zhang <Hawking.Zhang@xxxxxxx>
amdgpu_hdp hold all the callbacks for hdp
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h | 40 +++++++++++++++++++++++++
2 files changed, 44 insertions(+)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 100a431f0792..92e9d1f1207b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -107,6 +107,7 @@
#include "amdgpu_gfxhub.h"
#include "amdgpu_df.h"
#include "amdgpu_smuio.h"
+#include "amdgpu_hdp.h"
#define MAX_GPU_INSTANCE 16
@@ -924,6 +925,9 @@ struct amdgpu_device {
/* nbio */
struct amdgpu_nbio nbio;
+ /* hdp */
+ struct amdgpu_hdp hdp;
+
/* smuio */
struct amdgpu_smuio smuio;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h
new file mode 100644
index 000000000000..43caf9f8cc11
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 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_HDP_H__
+#define __AMDGPU_HDP_H__
+
+struct amdgpu_hdp_funcs {
+ void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
+ void (*invalidate_hdp)(struct amdgpu_device *adev,
+ struct amdgpu_ring *ring);
+ void (*reset_ras_error_count)(struct amdgpu_device *adev);
+ void (*update_clock_gating)(struct amdgpu_device *adev, bool enable);
+ void (*get_clock_gating_state)(struct amdgpu_device *adev, u32 *flags);
+ void (*init_registers)(struct amdgpu_device *adev);
+};
+
+struct amdgpu_hdp {
+ const struct amdgpu_hdp_funcs *funcs;
+};
+
+#endif /* __AMDGPU_HDP_H__ */
--
2.25.1
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