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| author | Jack Xiao <Jack.Xiao@amd.com> | 2015-05-08 09:46:49 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-06-04 04:03:28 +0300 |
| commit | 74a5d1656e165d5457be64b4d78d3259c2946e93 (patch) | |
| tree | 968ada5f776dead7d0ec398443b84bcb2237f875 /drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | |
| parent | 0147ee0f5921af606ac0f822107b69b53dd29358 (diff) | |
| download | linux-74a5d1656e165d5457be64b4d78d3259c2946e93.tar.xz | |
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/sdma_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index dd547c7f6cbc..d3eda315e719 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -36,6 +36,7 @@ #include "gmc/gmc_8_1_sh_mask.h" #include "gca/gfx_8_0_d.h" +#include "gca/gfx_8_0_enum.h" #include "gca/gfx_8_0_sh_mask.h" #include "bif/bif_5_0_d.h" @@ -963,6 +964,8 @@ static void sdma_v3_0_ring_emit_vm_flush(struct amdgpu_ring *ring, unsigned vm_id, uint64_t pd_addr) { u32 srbm_gfx_cntl = 0; + u32 sh_mem_cfg = REG_SET_FIELD(0, SH_MEM_CONFIG, ALIGNMENT_MODE, + SH_MEM_ALIGNMENT_MODE_UNALIGNED); amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); @@ -988,7 +991,7 @@ static void sdma_v3_0_ring_emit_vm_flush(struct amdgpu_ring *ring, amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); amdgpu_ring_write(ring, mmSH_MEM_CONFIG); - amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, sh_mem_cfg); amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); |