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drm/amdgpu: fix insert nop for UVD7 ring 

NO_OP register should be writen to 0

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Liu 2018-05-17 13:37:50 -04:00 committed by Alex Deucher
parent 6ee21dbfe9
commit cbb7a23911
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
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@ -1325,12 +1325,15 @@ static void uvd_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
static void uvd_v7_0_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++)
WARN_ON(ring->wptr % 2 || count % 2);
for (i = 0; i < count / 2; i++) {
amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_NO_OP), 0));
amdgpu_ring_write(ring, 0);
}
}
static void uvd_v7_0_enc_ring_insert_end(struct amdgpu_ring *ring)
@ -1710,7 +1713,6 @@ const struct amd_ip_funcs uvd_v7_0_ip_funcs = {
static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_UVD,
.align_mask = 0xf,
.nop = PACKET0(0x81ff, 0),
.support_64bit_ptrs = false,
.vmhub = AMDGPU_MMHUB,
.get_rptr = uvd_v7_0_ring_get_rptr,