[PATCH libdrm 2/2] fix uvd enc data corruption issue

James Zhu James.Zhu at amd.com
Thu Oct 5 15:21:19 UTC 2017


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);
 	len += sizeof(uve_encode_param) / 4;
 
 	memcpy((ib_cpu + len), uve_op_speed_enc_mode, sizeof(uve_op_speed_enc_mode));
-- 
2.7.4



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