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| author | Ken Wang <Qingqing.Wang@amd.com> | 2016-03-18 15:23:08 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-29 23:53:36 -0400 |
| commit | 832be4041d4999e008839d12d1efe118da27bd99 (patch) | |
| tree | 71ca6d33a8ba86ba9e0c8da16a88fd67d5c3ad36 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 7014285ade54bae2fe03aa397aa45846a0cd3e31 (diff) | |
| download | lwn-832be4041d4999e008839d12d1efe118da27bd99.tar.gz lwn-832be4041d4999e008839d12d1efe118da27bd99.zip | |
drm/amdgpu: add 64bit doorbell functions (v2)
Newer asics need 64 bit doorbells.
v2: fix comment (Nils)
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 9c1ce40b33b2..8c36765d3f02 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1521,6 +1521,8 @@ void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v); u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index); void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v); +u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index); +void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v); /* * Registers read & write functions. @@ -1575,6 +1577,8 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v); #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index)) #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v)) +#define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index)) +#define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v)) #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK |