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drm/amdgpu/vcn:Scan enc/jpeg fences to init dpg pause new state 

Scan enc/jpeg fences to init dpg pause new state in begin use.
It will help set dpg mode to desire state actively.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu 2018-12-12 14:53:12 -05:00 committed by Alex Deucher
parent 8411f7dc5f
commit 12e8b30186
1 changed files with 16 additions and 6 deletions
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22
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
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@ -396,16 +396,26 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
struct dpg_pause_state new_state;
unsigned int fences = 0;
unsigned int i;
for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
fences += amdgpu_fence_count_emitted(&adev->vcn.ring_enc[i]);
}
if (fences)
new_state.fw_based = VCN_DPG_STATE__PAUSE;
else
new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
if (amdgpu_fence_count_emitted(&adev->vcn.ring_jpeg))
new_state.jpeg = VCN_DPG_STATE__PAUSE;
else
new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
new_state.fw_based = VCN_DPG_STATE__PAUSE;
else
new_state.fw_based = adev->vcn.pause_state.fw_based;
if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
else if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
new_state.jpeg = VCN_DPG_STATE__PAUSE;
else
new_state.jpeg = adev->vcn.pause_state.jpeg;
amdgpu_vcn_pause_dpg_mode(adev, &new_state);
}