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From 9ce867d05cb1f4f318771b4b290571b1e881781c Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Wed, 12 Dec 2018 14:53:12 -0500
Subject: [PATCH 0949/2940] 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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index e2e42e3fbcf3..dde7bcdede4f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -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;
- if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
+ 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 = adev->vcn.pause_state.fw_based;
+ new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
- if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
+ if (amdgpu_fence_count_emitted(&adev->vcn.ring_jpeg))
new_state.jpeg = VCN_DPG_STATE__PAUSE;
else
- new_state.jpeg = adev->vcn.pause_state.jpeg;
+ 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 if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
+ new_state.jpeg = VCN_DPG_STATE__PAUSE;
amdgpu_vcn_pause_dpg_mode(adev, &new_state);
}
--
2.17.1
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