drm/amdgpu: add amdgpu_hdp structure

amdgpu_hdp hold all the callbacks for hdp

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index e119185..f534135 100644 (file)
--- 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
 
@@ -921,6 +922,9 @@ 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 (file)
index 0000000..43caf9f
--- /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__ */