From: Alex Deucher Date: Wed, 4 Mar 2026 14:23:31 +0000 (-0500) Subject: drm/amdgpu/gfx12.1: align mqd settings with KFD X-Git-Tag: v7.2-rc1~141^2~24^2~131 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=06036ac8da9cadb843a04292fb1df3a70441ced7;p=thirdparty%2Flinux.git drm/amdgpu/gfx12.1: align mqd settings with KFD Make sure to set the quantum bits in the compute MQD for better fairness across queues of the same priority. Reviewed-by: Kent Russell Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c index 885183eb7e7b2..948758b51b5cc 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c @@ -2252,6 +2252,11 @@ static int gfx_v12_1_compute_mqd_init(struct amdgpu_device *adev, void *m, mqd->cp_mqd_stride_size = prop->mqd_stride_size ? prop->mqd_stride_size : AMDGPU_MQD_SIZE_ALIGN(adev->mqds[AMDGPU_HW_IP_COMPUTE].mqd_size); + tmp = REG_SET_FIELD(0, 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, 1); + mqd->cp_hqd_quantum = tmp; + mqd->cp_hqd_active = prop->hqd_active; return 0;