78039df8e8
This patch is to add the files of HDP v5.2 block. HDP (Host Data Port) is the IP which handles host access to VRAM via the PCI BAR. Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/*
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* Copyright 2021 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "amdgpu.h"
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#include "amdgpu_atombios.h"
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#include "hdp_v5_2.h"
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#include "hdp/hdp_5_2_1_offset.h"
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#include "hdp/hdp_5_2_1_sh_mask.h"
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#include <uapi/linux/kfd_ioctl.h>
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static void hdp_v5_2_flush_hdp(struct amdgpu_device *adev,
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struct amdgpu_ring *ring)
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{
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if (!ring || !ring->funcs->emit_wreg)
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WREG32_NO_KIQ((adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2,
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0);
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else
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amdgpu_ring_emit_wreg(ring,
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(adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2,
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0);
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}
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const struct amdgpu_hdp_funcs hdp_v5_2_funcs = {
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.flush_hdp = hdp_v5_2_flush_hdp,
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};
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