diff options
| author | Ben Goz <ben.goz@amd.com> | 2015-01-04 21:46:44 +0200 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@amd.com> | 2015-01-04 21:46:44 +0200 |
| commit | 030e416b4f7782b22e8985095be0ea641aa20bf8 (patch) | |
| tree | aa962e69be66d24cfdde64e8edcc0ff8256804aa /drivers/gpu/drm/amd | |
| parent | b64b8afcca9dea38cfde090af76ea935627ce1d5 (diff) | |
| download | blackbird-obmc-linux-030e416b4f7782b22e8985095be0ea641aa20bf8.tar.gz blackbird-obmc-linux-030e416b4f7782b22e8985095be0ea641aa20bf8.zip | |
drm/amdkfd: Load mqd to hqd in non-HWS mode
This patch fixes a bug in DQM, where the MQD of a newly created compute queue
is not loaded to an HQD slot. As a result, the CP never reads packets from this
queue.
This bug happens only in non-HWS (hardware scheduling) mode. In HWS mode, the
CP is responsible of loading MQDs to HQDs slots.
Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index f44d6737b65a..3b08ed649ce5 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -272,6 +272,18 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, return retval; } + pr_debug("kfd: loading mqd to hqd on pipe (%d) queue (%d)\n", + q->pipe, + q->queue); + + retval = mqd->load_mqd(mqd, q->mqd, q->pipe, + q->queue, q->properties.write_ptr); + if (retval != 0) { + deallocate_hqd(dqm, q); + mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); + return retval; + } + return 0; } |
