drm/amdgpu: remove RREG64/WREG64
atomic 64 bits REG operations are useless currently Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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drivers/gpu/drm/amd/amdgpu
@ -1037,8 +1037,6 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
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uint32_t acc_flags);
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void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
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uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
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uint64_t amdgpu_mm_rreg64(struct amdgpu_device *adev, uint32_t reg);
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void amdgpu_mm_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v);
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u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
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void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
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@ -1066,8 +1064,6 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
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#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
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#define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
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#define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
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#define RREG64(reg) amdgpu_mm_rreg64(adev, (reg))
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#define WREG64(reg, v) amdgpu_mm_wreg64(adev, (reg), (v))
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#define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
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#define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
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#define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
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@ -263,39 +263,6 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
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}
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}
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/**
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* amdgpu_mm_rreg64 - read a 64 bit memory mapped IO register
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*
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* @adev: amdgpu_device pointer
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* @reg: dword aligned register offset
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*
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* Returns the 64 bit value from the offset specified.
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*/
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uint64_t amdgpu_mm_rreg64(struct amdgpu_device *adev, uint32_t reg)
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{
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if ((reg * 4) < adev->rmmio_size)
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return atomic64_read((atomic64_t *)(adev->rmmio + (reg * 4)));
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else
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BUG();
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}
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/**
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* amdgpu_mm_wreg64 - write to a 64 bit memory mapped IO register
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*
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* @adev: amdgpu_device pointer
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* @reg: dword aligned register offset
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* @v: 64 bit value to write to the register
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*
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* Writes the value specified to the offset specified.
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*/
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void amdgpu_mm_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v)
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{
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if ((reg * 4) < adev->rmmio_size)
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atomic64_set((atomic64_t *)(adev->rmmio + (reg * 4)), v);
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else
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BUG();
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}
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/**
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* amdgpu_io_rreg - read an IO register
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*
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