[PATCH] drm/amdgpu: vcn_4_0 set instance 0 init sched score to 1

[Liu, Leo]

[Public]

Reviewed-by: Leo Liu <leo.liu at amd.com>
________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Sonny Jiang <sonny.jiang at amd.com>
Sent: June 8, 2023 10:54 AM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Jiang, Sonny <Sonny.Jiang at amd.com>
Subject: [PATCH] drm/amdgpu: vcn_4_0 set instance 0 init sched score to 1

From: Sonny Jiang <sonjiang at amd.com>

Only vcn0 can process AV1 codecx. In order to use both vcn0 and
vcn1 in h264/265 transcode to AV1 cases, set vcn0 sched score to 1
at initialization time.

Signed-off-by: Sonny Jiang <sonjiang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 8d371faaa2b3..b48bb5212488 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -129,7 +129,11 @@ static int vcn_v4_0_sw_init(void *handle)
                 if (adev->vcn.harvest_config & (1 << i))
                         continue;

-               atomic_set(&adev->vcn.inst[i].sched_score, 0);
+               /* Init instance 0 sched_score to 1, so it's scheduled after other instances */
+               if (i == 0)
+                       atomic_set(&adev->vcn.inst[i].sched_score, 1);
+               else
+                       atomic_set(&adev->vcn.inst[i].sched_score, 0);

                 /* VCN UNIFIED TRAP */
                 r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
--
2.34.1

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