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authorJiansong Chen <Jiansong.Chen@amd.com>2020-10-30 19:23:07 +0800
committerAlex Deucher <alexander.deucher@amd.com>2020-11-02 15:32:43 -0500
commitef3b2987254035f9b869f70151b4220c34f2f133 (patch)
tree8c2113ae5b42b45a889cb6ad397f988a273d9941 /drivers/gpu/drm/amd/amdgpu
parent84aef2ab0977199784671295a07043191233d7c7 (diff)
drm/amdgpu: disable gfxoff if VCN is busy
Toggle on/off gfxoff during video playback to fix gpu hang. v2: change sequence to be more compatible with original code. Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com> Reviewed-by: James Zhu <James.Zhu@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 277a8435dd06..62d4614d48eb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -358,6 +358,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
}
if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
+ amdgpu_gfx_off_ctrl(adev, true);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
AMD_PG_STATE_GATE);
} else {
@@ -370,7 +371,9 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
struct amdgpu_device *adev = ring->adev;
atomic_inc(&adev->vcn.total_submission_cnt);
- cancel_delayed_work_sync(&adev->vcn.idle_work);
+
+ if (!cancel_delayed_work_sync(&adev->vcn.idle_work))
+ amdgpu_gfx_off_ctrl(adev, false);
mutex_lock(&adev->vcn.vcn_pg_lock);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,