github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-28 10:09:10 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu/gfx7: align mqd settings with KFD

Browse Source 
Make sure to set the quantum bits in the compute MQD
for better fairness across queues of the same priority.

Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2026-02-18 14:31:34 -05:00
parent 6fc63d80c0
commit 57901bbe43
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
View File

@ -2819,6 +2819,7 @@ static void gfx_v7_0_mqd_init(struct amdgpu_device *adev,
{
u64 hqd_gpu_addr;
u64 wb_gpu_addr;
u32 tmp;
/* init the mqd struct */
memset(mqd, 0, sizeof(struct cik_mqd));
@ -2923,7 +2924,11 @@ static void gfx_v7_0_mqd_init(struct amdgpu_device *adev,
mqd->cp_hqd_atomic1_preop_lo = RREG32(mmCP_HQD_ATOMIC1_PREOP_LO);
mqd->cp_hqd_atomic1_preop_hi = RREG32(mmCP_HQD_ATOMIC1_PREOP_HI);
mqd->cp_hqd_pq_rptr = RREG32(mmCP_HQD_PQ_RPTR);
mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM);
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);
mqd->cp_hqd_quantum = tmp;
mqd->cp_hqd_pipe_priority = RREG32(mmCP_HQD_PIPE_PRIORITY);
mqd->cp_hqd_queue_priority = RREG32(mmCP_HQD_QUEUE_PRIORITY);
mqd->cp_hqd_iq_rptr = RREG32(mmCP_HQD_IQ_RPTR);