On 2024-06-28 14:57:59 [+0200], To intel-gfx@xxxxxxxxxxxxxxxxxxxxx wrote: Hi, > The following patches are from the PREEMPT_RT queue. It is mostly about > disabling interrupts/preemption which leads to problems. Unfortunately > DRM_I915_LOW_LEVEL_TRACEPOINTS had to be disabled because it acquires locks > from within trace points. Making the lock a raw_spinlock_t led to higher > latencies during video playback > https://lore.kernel.org/all/20211006164628.s2mtsdd2jdbfyf7g@xxxxxxxxxxxxx/ > > and I'm not sure if I hit the worse case here. > I tested it on a SandyBridge with built-in i915 by using X, OpenGL and > playing videos without noticing any warnings. However, some code paths > were not entered. > I carry them for some time now and most issues were reported by other > people and they reported that things work for them since. These patches were not picked. Did I forget something or was this just overseen? Sebastian