github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-14 16:10:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu/gfx8: only apply compute quantums to KCQs

Browse Source 
Don't apply to KIQ.  Seems to cause problems on KIQ
on some ARM platforms.

Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5658
Fixes: 91cf34bc5a ("drm/amdgpu/gfx8: align mqd settings with KFD")
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6aae7bab029cdccae9a7157facfe36bfc35fc940)
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2026-08-20 09:02:01 -04:00
parent bd1f08246b
commit 7346a046c6
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -4546,9 +4546,11 @@ static int gfx_v8_0_mqd_init(struct amdgpu_ring *ring)
/* set static priority for a queue/ring */
gfx_v8_0_mqd_set_priority(ring, mqd);
tmp = RREG32(mmCP_HQD_QUANTUM);
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_EN, 1);
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_SCALE, 1);
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_DURATION, 10);
if (ring != &adev->gfx.kiq[0].ring) {
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_EN, 1);
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_SCALE, 1);
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_DURATION, 10);
}
mqd->cp_hqd_quantum = tmp;
/* map_queues packet doesn't need activate the queue,