Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: Add smn callbacks to register block
Add smn block to register access and callback interface definition to
get smn base.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Lijo Lazar
and committed by
Alex Deucher
467ebfe6
b2d55124
+24
+11
drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c
+11
drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c
···
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adev->reg.pcie.port_wreg(adev, reg, v);
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}
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uint64_t amdgpu_reg_get_smn_base64(struct amdgpu_device *adev,
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enum amd_hw_ip_block_type block,
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int die_inst)
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{
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if (!adev->reg.smn.get_smn_base) {
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dev_err_once(adev->dev, "SMN base address callback not set\n");
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return 0;
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}
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return adev->reg.smn.get_smn_base(adev, block, die_inst);
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}
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/*
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* register access helper functions.
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*/
+13
drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h
+13
drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h
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#include <linux/types.h>
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#include <linux/spinlock.h>
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#include "amdgpu_ip.h"
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struct amdgpu_device;
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typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device *, uint32_t);
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uint32_t);
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typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device *, uint32_t, uint32_t,
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uint32_t);
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typedef uint64_t (*amdgpu_reg_get_smn_base64_t)(struct amdgpu_device *adev,
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enum amd_hw_ip_block_type block,
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int die_inst);
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struct amdgpu_reg_ind {
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spinlock_t lock;
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amdgpu_wreg_t port_wreg;
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};
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struct amdgpu_reg_smn_ext {
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amdgpu_reg_get_smn_base64_t get_smn_base;
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};
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struct amdgpu_reg_access {
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struct amdgpu_reg_ind smc;
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struct amdgpu_reg_ind uvd_ctx;
···
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struct amdgpu_reg_ind se_cac;
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struct amdgpu_reg_ind_blk audio_endpt;
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struct amdgpu_reg_pcie_ind pcie;
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struct amdgpu_reg_smn_ext smn;
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};
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void amdgpu_reg_access_init(struct amdgpu_device *adev);
···
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uint32_t amdgpu_reg_pciep_rd32(struct amdgpu_device *adev, uint32_t reg);
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void amdgpu_reg_pciep_wr32(struct amdgpu_device *adev, uint32_t reg,
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uint32_t v);
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uint64_t amdgpu_reg_get_smn_base64(struct amdgpu_device *adev,
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enum amd_hw_ip_block_type block,
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int die_inst);
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uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, uint32_t reg,
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uint32_t acc_flags);