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| author | Nirmoy Das <nirmoy.das@amd.com> | 2020-08-29 07:51:41 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-03 21:46:54 +0300 |
| commit | bc21585f3ff050f3fc7faaefc5e5c0541cec7aae (patch) | |
| tree | 10c8ea1f2772d64300db8964929fbb79cddd2a37 /drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | |
| parent | 5dc1a0bcb758c343b873e8330ee986417f5a1727 (diff) | |
| download | linux-bc21585f3ff050f3fc7faaefc5e5c0541cec7aae.tar.xz | |
drm/amdgpu: disable gpu-sched load balance for uvd
On hardware with multiple uvd instances, dependent uvd jobs
may get scheduled to different uvd instances. Because uvd_enc
jobs retain hw context, dependent jobs should always run on the
same uvd instance. This patch disables GPU scheduler's load balancer
for a context that binds jobs from the same context to a uvd
instance.
v2: Squash in uvd_enc fix
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index 59032c26fc82..c80d8339f58c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -114,7 +114,11 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip, scheds = adev->gpu_sched[hw_ip][hw_prio].sched; num_scheds = adev->gpu_sched[hw_ip][hw_prio].num_scheds; - if (hw_ip == AMDGPU_HW_IP_VCN_ENC || hw_ip == AMDGPU_HW_IP_VCN_DEC) { + /* disable load balance if the hw engine retains context among dependent jobs */ + if (hw_ip == AMDGPU_HW_IP_VCN_ENC || + hw_ip == AMDGPU_HW_IP_VCN_DEC || + hw_ip == AMDGPU_HW_IP_UVD_ENC || + hw_ip == AMDGPU_HW_IP_UVD) { sched = drm_sched_pick_best(scheds, num_scheds); scheds = &sched; num_scheds = 1; |