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path: root/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
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Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a5xx_preempt.c')
-rw-r--r--drivers/gpu/drm/msm/adreno/a5xx_preempt.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
index 970c7963ae29..4c357ead1be6 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
@@ -208,6 +208,13 @@ void a5xx_preempt_hw_init(struct msm_gpu *gpu)
struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu);
int i;
+ /* Always come up on rb 0 */
+ a5xx_gpu->cur_ring = gpu->rb[0];
+
+ /* No preemption if we only have one ring */
+ if (gpu->nr_rings == 1)
+ return;
+
for (i = 0; i < gpu->nr_rings; i++) {
a5xx_gpu->preempt[i]->wptr = 0;
a5xx_gpu->preempt[i]->rptr = 0;
@@ -220,9 +227,6 @@ void a5xx_preempt_hw_init(struct msm_gpu *gpu)
/* Reset the preemption state */
set_preempt_state(a5xx_gpu, PREEMPT_NONE);
-
- /* Always come up on rb 0 */
- a5xx_gpu->cur_ring = gpu->rb[0];
}
static int preempt_init_ring(struct a5xx_gpu *a5xx_gpu,
@@ -272,7 +276,7 @@ void a5xx_preempt_fini(struct msm_gpu *gpu)
if (a5xx_gpu->preempt_iova[i])
msm_gem_put_iova(a5xx_gpu->preempt_bo[i], gpu->aspace);
- drm_gem_object_unreference(a5xx_gpu->preempt_bo[i]);
+ drm_gem_object_put(a5xx_gpu->preempt_bo[i]);
a5xx_gpu->preempt_bo[i] = NULL;
}
}