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-rw-r--r--drivers/gpu/drm/msm/adreno/a5xx_gpu.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index 34827fe807d4..8a1176983f58 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -150,9 +150,13 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1);
OUT_RING(ring, 1);
- /* Enable local preemption for finegrain preemption */
+ /*
+ * Disable local preemption by default because it requires
+ * user-space to be aware of it and provide additional handling
+ * to restore rendering state or do various flushes on switch.
+ */
OUT_PKT7(ring, CP_PREEMPT_ENABLE_LOCAL, 1);
- OUT_RING(ring, 0x1);
+ OUT_RING(ring, 0x0);
/* Allow CP_CONTEXT_SWITCH_YIELD packets in the IB2 */
OUT_PKT7(ring, CP_YIELD_ENABLE, 1);