Commit fd971375 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/gfx: keep all compute queues on the same pipe 



Spreading them causes performance regressions using compute
queues on Polaris 11.

Cc: Jim Qu <jim.qu@amd.com>
Acked-by: default avatarJim Qu <Jim.Qu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5cb818b8

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c

+2 −1
Original line number Diff line number Diff line
@@ -125,7 +125,8 @@ void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev) 
		if (mec >= adev->gfx.mec.num_mec)

			break;



		if (adev->gfx.mec.num_mec > 1) {

		/* FIXME: spreading the queues across pipes causes perf regressions */

		if (0) {

			/* policy: amdgpu owns the first two queues of the first MEC */

			if (mec == 0 && queue < 2)

				set_bit(i, adev->gfx.mec.queue_bitmap);

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