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| author | Tao Zhou <tao.zhou1@amd.com> | 2019-08-09 15:57:51 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-09 11:17:30 -0500 |
| commit | 6ca523d7eb198b78f79df882b7dc4a8c795d8777 (patch) | |
| tree | c1a2d57fae41ee7b5dbc74a7cd3dabfe5cf63a81 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | dd21a572c9068e9a59b46dea67e8a65a44aee90b (diff) | |
| download | linux-6ca523d7eb198b78f79df882b7dc4a8c795d8777.tar.gz linux-6ca523d7eb198b78f79df882b7dc4a8c795d8777.tar.bz2 linux-6ca523d7eb198b78f79df882b7dc4a8c795d8777.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 0471a1d4305c..682833f90fdd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -264,39 +264,6 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, } /** - * amdgpu_mm_rreg64 - read a 64 bit memory mapped IO register - * - * @adev: amdgpu_device pointer - * @reg: dword aligned register offset - * - * Returns the 64 bit value from the offset specified. - */ -uint64_t amdgpu_mm_rreg64(struct amdgpu_device *adev, uint32_t reg) -{ - if ((reg * 4) < adev->rmmio_size) - return atomic64_read((atomic64_t *)(adev->rmmio + (reg * 4))); - else - BUG(); -} - -/** - * amdgpu_mm_wreg64 - write to a 64 bit memory mapped IO register - * - * @adev: amdgpu_device pointer - * @reg: dword aligned register offset - * @v: 64 bit value to write to the register - * - * Writes the value specified to the offset specified. - */ -void amdgpu_mm_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) -{ - if ((reg * 4) < adev->rmmio_size) - atomic64_set((atomic64_t *)(adev->rmmio + (reg * 4)), v); - else - BUG(); -} - -/** * amdgpu_io_rreg - read an IO register * * @adev: amdgpu_device pointer |