Umesh Nerlige Ramappa b3f74938d6 drm/i915/pmu: Use PM timestamp instead of RING TIMESTAMP for reference ... All timestamps returned by GuC for GuC PMU busyness are captured from GUC PM TIMESTAMP. Since this timestamp does not tick when GuC goes idle, kmd uses RING_TIMESTAMP to measure busyness of an engine with an active context. In further stress testing, the MMIO read of the RING_TIMESTAMP is seen to cause a rare hang. Resolve the issue by using gt specific timestamp from PM which is in sync with the GuC PM timestamp. Fixes: 77cdd054dd ("drm/i915/pmu: Connect engine busyness stats from GuC to pmu") Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220111015523.225562-1-umesh.nerlige.ramappa@intel.com (cherry picked from commit 721fd84ea1) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>		2022-01-31 09:35:05 +00:00
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drm	drm/i915/pmu: Use PM timestamp instead of RING TIMESTAMP for reference	2022-01-31 09:35:05 +00:00
host1x	gpu: host1x: Add back arm_iommu_detach_device()	2021-12-16 14:28:51 +01:00
ipu-v3	media: i.MX6: Support 16-bit BT.1120 video input	2021-10-19 08:08:38 +01:00
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vga	vgaarb: don't pass a cookie to vga_client_register	2021-07-21 10:29:10 +02:00
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