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| author | Jack Xiao | 2015-05-08 08:46:49 +0200 |
|---|---|---|
| committer | Alex Deucher | 2015-06-04 03:03:28 +0200 |
| commit | 74a5d1656e165d5457be64b4d78d3259c2946e93 (patch) | |
| tree | 968ada5f776dead7d0ec398443b84bcb2237f875 /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | |
| parent | drm/amdgpu: make the CTX ioctl thread-safe (diff) | |
| download | kernel-qcow2-linux-74a5d1656e165d5457be64b4d78d3259c2946e93.tar.gz kernel-qcow2-linux-74a5d1656e165d5457be64b4d78d3259c2946e93.tar.xz kernel-qcow2-linux-74a5d1656e165d5457be64b4d78d3259c2946e93.zip | |
drm/amdgpu: allow unaligned memory access (v2)
Set up the CP and SDMA for proper unaligned memory access.
Required for OpenCL 2.x
v2: udpate commit message
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index a8397dd2bce4..3762998df351 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -2050,10 +2050,14 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) if (i == 0) { tmp = REG_SET_FIELD(0, SH_MEM_CONFIG, DEFAULT_MTYPE, MTYPE_UC); tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, APE1_MTYPE, MTYPE_UC); + tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE, + SH_MEM_ALIGNMENT_MODE_UNALIGNED); WREG32(mmSH_MEM_CONFIG, tmp); } else { tmp = REG_SET_FIELD(0, SH_MEM_CONFIG, DEFAULT_MTYPE, MTYPE_NC); tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, APE1_MTYPE, MTYPE_NC); + tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE, + SH_MEM_ALIGNMENT_MODE_UNALIGNED); WREG32(mmSH_MEM_CONFIG, tmp); } |