[Intel-gfx] [PATCH] drm/i915: Limit C-states when waiting for the active request

If we are waiting for the currently executing request, we have a good idea that it will be completed in the very near future and so want to cap the CPU_DMA_LATENCY to ensure that we wake up the client quickly. v2: Not allowed to block in kmalloc after setting TASK_INTERRUPTIBLE. v3: Avoid the bloc

[Intel-gfx] [PATCH] drm/i915: Limit C-states when waiting for the active request

If we are waiting for the currently executing request, we have a good idea that it will be completed in the very near future and so want to cap the CPU_DMA_LATENCY to ensure that we wake up the client quickly. Testcase: igt/gem_sync/store-default Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin Cc

[Intel-gfx] [PATCH] drm/i915: Limit C-states when waiting for the active request

If we are waiting for the currently executing request, we have a good idea that it will be completed in the very near future and so want to cap the CPU_DMA_LATENCY to ensure that we wake up the client quickly. Testcase: igt/gem_sync/store-default Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin Cc