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drm/amd/amdgpu/vcn_v2_0: Move VCN 2.0 specific dec ring test to vcn_v2_0 

VCN 2.0 firmware now requires a packet start command to be sent before
any other decode ring buffer command.

Signed-off-by: Thong Thai <thong.thai@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
alistair/sunxi64-5.4-dsi
Thong Thai 2019-07-25 11:26:56 -04:00 committed by Alex Deucher
parent af655cc5aa
commit d1836f3813
1 changed files with 31 additions and 1 deletions
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32
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
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@ -2079,6 +2079,36 @@ static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev,
return 0;
}
static int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t tmp = 0;
unsigned i;
int r;
WREG32(adev->vcn.external.scratch9, 0xCAFEDEAD);
r = amdgpu_ring_alloc(ring, 4);
if (r)
return r;
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0));
amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
amdgpu_ring_write(ring, 0xDEADBEEF);
amdgpu_ring_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
tmp = RREG32(adev->vcn.external.scratch9);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i >= adev->usec_timeout)
r = -ETIMEDOUT;
return r;
}
static int vcn_v2_0_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
@ -2142,7 +2172,7 @@ static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
.emit_ib = vcn_v2_0_dec_ring_emit_ib,
.emit_fence = vcn_v2_0_dec_ring_emit_fence,
.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
.test_ring = amdgpu_vcn_dec_ring_test_ring,
.test_ring = vcn_v2_0_dec_ring_test_ring,
.test_ib = amdgpu_vcn_dec_ring_test_ib,
.insert_nop = vcn_v2_0_dec_ring_insert_nop,
.insert_start = vcn_v2_0_dec_ring_insert_start,