NO_OP register should be writen to 0
Signed-off-by: Leo Liu <leo.liu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 0501746b..7fbbdb1 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -1048,14 +1048,17 @@ static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev,
return 0;
}
-static void vcn_v1_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
+static void vcn_v1_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
{
- int i;
struct amdgpu_device *adev = ring->adev;
+ int i;
- for (i = 0; i < count; i++)
- amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0));
+ WARN_ON(ring->wptr % 2 || count % 2);
+ for (i = 0; i < count / 2; i++) {
+ amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0));
+ amdgpu_ring_write(ring, 0);
+ }
}
@@ -1082,7 +1085,6 @@ static const struct amd_ip_funcs vcn_v1_0_ip_funcs = {
static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_DEC,
.align_mask = 0xf,
- .nop = PACKET0(0x81ff, 0),
.support_64bit_ptrs = false,
.vmhub = AMDGPU_MMHUB,
.get_rptr = vcn_v1_0_dec_ring_get_rptr,
@@ -1101,7 +1103,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
.emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush,
.test_ring = amdgpu_vcn_dec_ring_test_ring,
.test_ib = amdgpu_vcn_dec_ring_test_ib,
- .insert_nop = vcn_v1_0_ring_insert_nop,
+ .insert_nop = vcn_v1_0_dec_ring_insert_nop,
.insert_start = vcn_v1_0_dec_ring_insert_start,
.insert_end = vcn_v1_0_dec_ring_insert_end,
.pad_ib = amdgpu_ring_generic_pad_ib,
--
2.7.4
