From 5aacf8917fde5bc2a640f3cd49130c0e2e85e726 Mon Sep 17 00:00:00 2001 From: Frank Min Date: Fri, 2 Aug 2024 11:15:11 +0800 Subject: [PATCH] drm/amdgpu: change non-dcc buffer copy configuration MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c index 62ef4a737a56..e2918318600b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c @@ -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; } /** -- 2.49.0