leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu: Only add rqs for initialized rings.

Browse Source 
I don't see another way to figure out if a ring is initialized if
the hardware block might not be initialized.

Entities have been fixed up to handle num_rqs = 0.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bas Nieuwenhuizen 2019-01-30 02:53:20 +01:00 committed by Alex Deucher
parent 1decbf6bb0
commit 2a84e48e97
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
View File

@ -124,6 +124,7 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
struct drm_sched_rq *rqs[AMDGPU_MAX_RINGS];
unsigned num_rings;
unsigned num_rqs = 0;
switch (i) {
case AMDGPU_HW_IP_GFX:
@ -166,12 +167,16 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
break;
}
for (j = 0; j < num_rings; ++j)
rqs[j] = &rings[j]->sched.sched_rq[priority];
for (j = 0; j < num_rings; ++j) {
if (!rings[j]->adev)
continue;
rqs[num_rqs++] = &rings[j]->sched.sched_rq[priority];
}
for (j = 0; j < amdgpu_ctx_num_entities[i]; ++j)
r = drm_sched_entity_init(&ctx->entities[i][j].entity,
rqs, num_rings, &ctx->guilty);
rqs, num_rqs, &ctx->guilty);
if (r)
goto error_cleanup_entities;
}