[PATCH libdrm v2 2/2] tests/amdgpu: fix uvd enc data corruption issue

[Leo Liu]

On 10/05/2017 11:24 AM, James Zhu wrote:
> In uvd encode parameter package, parameters input_pic_luma_pitch and
> input_pic_chroma_pitch should be picture width align with hardware alignment.
> The hardware alignment is 16 for amdgpu family earlier than AMDGPU_FAMILY_AI,
> and 256 for later than and including AMDGPU_FAMILY_AI.
>
> Signed-off-by: James Zhu <James.Zhu at amd.com>
> ---
>   tests/amdgpu/uvd_enc_tests.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tests/amdgpu/uvd_enc_tests.c b/tests/amdgpu/uvd_enc_tests.c
> index 7518103..bbda131 100644
> --- a/tests/amdgpu/uvd_enc_tests.c
> +++ b/tests/amdgpu/uvd_enc_tests.c
> @@ -272,7 +272,7 @@ static void amdgpu_cs_uvd_enc_create(void)
>   static void check_result(struct amdgpu_uvd_enc *enc)
>   {
>   	uint64_t sum;
> -	uint32_t s = 26382;
> +	uint32_t s = 175602;
>   	uint32_t *ptr, size;
>   	int i, j, r;
>   
> @@ -463,6 +463,8 @@ static void amdgpu_cs_uvd_enc_encode(void)
>   	ib_cpu[len++] = chroma_offset >> 32;
>   	ib_cpu[len++] = chroma_offset;
>   	memcpy((ib_cpu + len), uve_encode_param, sizeof(uve_encode_param));
> +	ib_cpu[len] = ALIGN(enc.width, align);
> +	ib_cpu[len + 1] = ALIGN(enc.width, align);
Since here we override the pitch value based on below from uve_ib.h.

static const uint32_t uve_encode_param[] = {
     0x000000a0,
     0x00000080,

We'd better to reset them to 0 from the header file, since we don't want 
to leave the incorrect value there.

With that fixed, the series is

Reviewed-by: Leo Liu <leo.liu at amd.com>

>   	len += sizeof(uve_encode_param) / 4;
>   
>   	memcpy((ib_cpu + len), uve_op_speed_enc_mode, sizeof(uve_op_speed_enc_mode));