Commit cf8b611f authored by Alex Deucher's avatar Alex Deucher

drm/amdgpu: fix mec queue policy on single MEC asics

Fixes hangs on single MEC asics.

Fixes: 2ed286fb434 (drm/amdgpu: new queue policy, take first 2 queues of each pipe v2)
Reviewed-by: default avatarAlex Xie <AlexBin.Xie@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 378506a7
......@@ -2825,9 +2825,15 @@ static void gfx_v7_0_compute_queue_acquire(struct amdgpu_device *adev)
if (mec >= adev->gfx.mec.num_mec)
break;
if (adev->gfx.mec.num_mec > 1) {
/* policy: amdgpu owns the first two queues of the first MEC */
if (mec == 0 && queue < 2)
set_bit(i, adev->gfx.mec.queue_bitmap);
} else {
/* policy: amdgpu owns all queues in the first pipe */
if (mec == 0 && pipe == 0)
set_bit(i, adev->gfx.mec.queue_bitmap);
}
}
/* update the number of active compute rings */
......
......@@ -1464,9 +1464,15 @@ static void gfx_v8_0_compute_queue_acquire(struct amdgpu_device *adev)
if (mec >= adev->gfx.mec.num_mec)
break;
if (adev->gfx.mec.num_mec > 1) {
/* policy: amdgpu owns the first two queues of the first MEC */
if (mec == 0 && queue < 2)
set_bit(i, adev->gfx.mec.queue_bitmap);
} else {
/* policy: amdgpu owns all queues in the first pipe */
if (mec == 0 && pipe == 0)
set_bit(i, adev->gfx.mec.queue_bitmap);
}
}
/* update the number of active compute rings */
......
......@@ -873,9 +873,15 @@ static void gfx_v9_0_compute_queue_acquire(struct amdgpu_device *adev)
if (mec >= adev->gfx.mec.num_mec)
break;
if (adev->gfx.mec.num_mec > 1) {
/* policy: amdgpu owns the first two queues of the first MEC */
if (mec == 0 && queue < 2)
set_bit(i, adev->gfx.mec.queue_bitmap);
} else {
/* policy: amdgpu owns all queues in the first pipe */
if (mec == 0 && pipe == 0)
set_bit(i, adev->gfx.mec.queue_bitmap);
}
}
/* update the number of active compute rings */
......
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