[igt-dev] [PATCH] lib/amdgpu: fix typo in function compare_pattern

[Christian König]

Am 08.09.23 um 04:50 schrieb vitaly.prosyak at amd.com:
> From: Jesse Zhang <jesse.zhang at amd.com>
>
>   In function compare_pattern check the destination buffer (bo2_cpu),
>   instead of source buffer(bo_cpu).
>   Add validation of the return value in the eviction test.
>
> Cc: Luben Tuikov <luben.tuikov at amd.com>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Cc: Christian Koenig <christian.koenig at amd.com>
> Signed-off-by: Jesse Zhang <Jesse.Zhang at amd.com>
> Reviewed-by: Vitaly Prosyak <vitaly.prosyak at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   lib/amdgpu/amd_ip_blocks.c | 2 +-
>   tests/amdgpu/amd_basic.c   | 1 +
>   2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/amdgpu/amd_ip_blocks.c b/lib/amdgpu/amd_ip_blocks.c
> index be9ff38c6..7f8d4a4cd 100644
> --- a/lib/amdgpu/amd_ip_blocks.c
> +++ b/lib/amdgpu/amd_ip_blocks.c
> @@ -296,7 +296,7 @@ x_compare_pattern(const struct amdgpu_ip_funcs *func,
>   	int num_compare = ring_context->write_length/div;
>   
>   	while (i < num_compare) {
> -		if (ring_context->bo_cpu[i++] != func->pattern) {
> +		if (ring_context->bo2_cpu[i++] != func->pattern) {
>   			ret = -1;
>   			break;
>   		}
> diff --git a/tests/amdgpu/amd_basic.c b/tests/amdgpu/amd_basic.c
> index dfe11995f..e7a42a335 100644
> --- a/tests/amdgpu/amd_basic.c
> +++ b/tests/amdgpu/amd_basic.c
> @@ -411,6 +411,7 @@ amdgpu_bo_eviction_test(amdgpu_device_handle device_handle)
>   			amdgpu_test_exec_cs_helper(device_handle, ip_block->type, ring_context);
>   			/* fulfill PM4: test DMA copy linear */
>   			r = ip_block->funcs->compare_pattern(ip_block->funcs, ring_context, sdma_write_length);
> +			igt_assert_eq(r, 0);
>   			amdgpu_bo_unmap_and_free(ring_context->bo, ring_context->va_handle, ring_context->bo_mc,
>   						 ring_context->write_length);
>   			amdgpu_bo_unmap_and_free(ring_context->bo2, ring_context->va_handle2, ring_context->bo_mc2,