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drm/amdgpu: change non-dcc buffer copy configuration

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Without setting cpv bit and 7th ib dw, non-dcc buffer copy will have
random corruption

So set the cpv bit and clear the 7th ib dw for copy non-dcc buffers

Signed-off-by: Frank Min <Frank.Min@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Frank Min
2024-08-02 11:15:11 +08:00
committed by Alex Deucher
parent b3a3c9a6b2
commit 5aacf8917f
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
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@@ -1688,8 +1688,7 @@ static void sdma_v7_0_emit_copy_buffer(struct amdgpu_ib *ib,
ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COPY) |
SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
SDMA_PKT_COPY_LINEAR_HEADER_TMZ((copy_flags & AMDGPU_COPY_FLAGS_TMZ) ? 1 : 0) |
SDMA_PKT_COPY_LINEAR_HEADER_CPV((copy_flags &
(AMDGPU_COPY_FLAGS_READ_DECOMPRESSED | AMDGPU_COPY_FLAGS_WRITE_COMPRESSED)) ? 1 : 0);
SDMA_PKT_COPY_LINEAR_HEADER_CPV(1);
ib->ptr[ib->length_dw++] = byte_count - 1;
ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
@@ -1703,6 +1702,8 @@ static void sdma_v7_0_emit_copy_buffer(struct amdgpu_ib *ib,
((copy_flags & AMDGPU_COPY_FLAGS_READ_DECOMPRESSED) ? SDMA_DCC_READ_CM(2) : 0) |
((copy_flags & AMDGPU_COPY_FLAGS_WRITE_COMPRESSED) ? SDMA_DCC_WRITE_CM(1) : 0) |
SDMA_DCC_MAX_COM(max_com) | SDMA_DCC_MAX_UCOM(1);
else
ib->ptr[ib->length_dw++] = 0;
}
/**