mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-13 12:06:49 +00:00
Code Issues Releases Wiki Activity

drm/amdgpu: disable gpu_sched load balancer for vcn jobs

Browse source 
VCN HW doesn't support dynamic load balance on multiple instances
for a context. This patch initializes VNC entities with only one
drm_gpu_scheduler picked by drm_sched_pick_best(). Picking a
drm_gpu_scheduler using drm_sched_pick_best() ensures that we
do load balance among multiple contexts but not among multiple
jobs in a context.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das 2020-03-13 15:26:54 +01:00 committed by Alex Deucher
parent ec2edcc279
commit 4ff7d8ba4c
1 changed files with 8 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
View file

@ -121,12 +121,16 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, const u32 hw_ip, const
num_scheds = 1;
break;
case AMDGPU_HW_IP_VCN_DEC:
scheds = adev->vcn.vcn_dec_sched;
num_scheds = adev->vcn.num_vcn_dec_sched;
sched = drm_sched_pick_best(adev->vcn.vcn_dec_sched,
adev->vcn.num_vcn_dec_sched);
scheds = &sched;
num_scheds = 1;
break;
case AMDGPU_HW_IP_VCN_ENC:
scheds = adev->vcn.vcn_enc_sched;
num_scheds = adev->vcn.num_vcn_enc_sched;
sched = drm_sched_pick_best(adev->vcn.vcn_enc_sched,
adev->vcn.num_vcn_enc_sched);
scheds = &sched;
num_scheds = 1;
break;
case AMDGPU_HW_IP_VCN_JPEG:
scheds = adev->jpeg.jpeg_sched;