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| author | Oded Gabbay <oded.gabbay@amd.com> | 2015-01-22 11:03:42 +0200 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@amd.com> | 2015-01-22 11:03:42 +0200 |
| commit | 749042b012b82616ed15a28138e180c5e5da2067 (patch) | |
| tree | 79cadb410bcf0c7cf9f86edec8170046993a116c /drivers/gpu | |
| parent | 5a8888a3119eb5b67f6e90605be9ed2e04807126 (diff) | |
| download | linux-749042b012b82616ed15a28138e180c5e5da2067.tar.gz linux-749042b012b82616ed15a28138e180c5e5da2067.tar.bz2 linux-749042b012b82616ed15a28138e180c5e5da2067.zip | |
drm/amdkfd: Fix bug in pipelines initialization
This patch fixes a bug when calling to init_pipeline() interface.
The index that was passed to that function didn't take into account the
first_pipe value, which represents the first pipe index that is under amdkfd's
responsibility.
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 6 |
1 files changed, 5 insertions, 1 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 b9626ae07960..cd0710af0031 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -565,10 +565,14 @@ static int init_pipelines(struct device_queue_manager *dqm, for (i = 0; i < pipes_num; i++) { inx = i + first_pipe; + /* + * HPD buffer on GTT is allocated by amdkfd, no need to waste + * space in GTT for pipelines we don't initialize + */ pipe_hpd_addr = dqm->pipelines_addr + i * CIK_HPD_EOP_BYTES; pr_debug("kfd: pipeline address %llX\n", pipe_hpd_addr); /* = log2(bytes/4)-1 */ - kfd2kgd->init_pipeline(dqm->dev->kgd, i, + kfd2kgd->init_pipeline(dqm->dev->kgd, inx, CIK_HPD_EOP_BYTES_LOG2 - 3, pipe_hpd_addr); } |