Re: [PATCH 077/207] drm/amdgpu: no need to set up GPU scheduler for mes ring

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Am 01.06.20 um 20:00 schrieb Alex Deucher:
From: Jack Xiao <Jack.Xiao@xxxxxxx>

As mes ring directly submits to hardwared,
it's no need to set up GPU scheduler for mes ring.

Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 3414e119f0cb..8712a2e1b869 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -469,8 +469,9 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
  	if (!ring->fence_drv.fences)
  		return -ENOMEM;
- /* No need to setup the GPU scheduler for KIQ ring */
-	if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ) {
+	/* No need to setup the GPU scheduler for KIQ and MES ring */
+	if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ ||
+	    ring->funcs->type != AMDGPU_RING_TYPE_MES) {

BTW: Making this a flag in the ring->funcs struct would probably be cleaner than checking the two types here.

But not a must have right now.

Christian.

  		switch (ring->funcs->type) {
  		case AMDGPU_RING_TYPE_GFX:
  			timeout = adev->gfx_timeout;

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