diff options
| author | chen gong <curry.gong@amd.com> | 2020-01-15 14:44:43 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-01-22 16:34:22 -0500 |
| commit | c68dbcd8f9b0aa01e0459a5841716cb6a2f447b9 (patch) | |
| tree | c9532f3709feb8a5c51f921a252b6136ed8a5ab4 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | d33a99c4b63643d3d7a85d4dfb2ac5afb01eebca (diff) | |
| download | lwn-c68dbcd8f9b0aa01e0459a5841716cb6a2f447b9.tar.gz lwn-c68dbcd8f9b0aa01e0459a5841716cb6a2f447b9.zip | |
drm/amdgpu: add kiq version interface for RREG32/WREG32
Reading some registers by mmio will result in hang when GPU is in
"gfxoff" state.This problem can be solved by GPU in "ring command
packages" way.
Signed-off-by: chen gong <curry.gong@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@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 b1bb10625cd9..da3bcff61b97 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1009,10 +1009,14 @@ int emu_soc_asic_init(struct amdgpu_device *adev); #define AMDGPU_REGS_IDX (1<<0) #define AMDGPU_REGS_NO_KIQ (1<<1) +#define AMDGPU_REGS_KIQ (1<<2) #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ) #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ) +#define RREG32_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_KIQ) +#define WREG32_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_KIQ) + #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg)) #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v)) |