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e7ae83da4a
This patch implements preemption feature for A6xx targets, this allows the GPU to switch to a higher priority ringbuffer if one is ready. A6XX hardware as such supports multiple levels of preemption granularities, ranging from coarse grained(ringbuffer level) to a more fine grained such as draw-call level or a bin boundary level preemption. This patch enables the basic preemption level, with more fine grained preemption support to follow. Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Tested-by: Rob Clark <robdclark@gmail.com> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8450-HDK Signed-off-by: Sharat Masetty <smasetty@codeaurora.org> Signed-off-by: Antonino Maniscalco <antomani103@gmail.com> Patchwork: https://patchwork.freedesktop.org/patch/618021/ Signed-off-by: Rob Clark <robdclark@chromium.org>
Linux kernel
============
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