UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amdgpu/mes10.1: add the helper function for mes command submission 

The helper function is used to submit mes command and poll waiting
for the command completion.

v2: replaced with amdgpu_fence_wait_polling to wait.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2019-10-15 16:35:30 +08:00 committed by Alex Deucher
parent 3f63345d38
commit 29ce0f6f3c
1 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
View File

@ -78,6 +78,36 @@ static const struct amdgpu_ring_funcs mes_v10_1_ring_funcs = {
.insert_nop = amdgpu_ring_insert_nop,
};
static int mes_v10_1_submit_pkt_and_poll_completion(struct amdgpu_mes *mes,
void *pkt, int size)
{
int ndw = size / 4;
signed long r;
union MESAPI__ADD_QUEUE *x_pkt = pkt;
struct amdgpu_device *adev = mes->adev;
struct amdgpu_ring *ring = &mes->ring;
BUG_ON(size % 4 != 0);
if (amdgpu_ring_alloc(ring, ndw))
return -ENOMEM;
amdgpu_ring_write_multiple(ring, pkt, ndw);
amdgpu_ring_commit(ring);
DRM_DEBUG("MES msg=%d was emitted\n", x_pkt->header.opcode);
r = amdgpu_fence_wait_polling(ring, ring->fence_drv.sync_seq,
adev->usec_timeout);
if (r < 1) {
DRM_ERROR("MES failed to response msg=%d\n",
x_pkt->header.opcode);
return -ETIMEDOUT;
}
return 0;
}
static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,
struct mes_add_queue_input *input)
{