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authorJouni Högander <jouni.hogander@intel.com>2025-03-28 11:06:23 +0300
committerJouni Högander <jouni.hogander@intel.com>2025-03-31 14:12:14 +0300
commit9900e35a3ab14e1dcd5987b7ea13150e9ba2dc02 (patch)
treed2ea2e0442cb331a4ad314170ed7e8136d2abe7f /tools/perf/scripts/python/export-to-postgresql.py
parent94f608992f8cabe9cc2e318d81b2beac87802cba (diff)
downloadlinux-9900e35a3ab14e1dcd5987b7ea13150e9ba2dc02.tar.xz
drm/i915/psr: Add PSR pause/resume reference count
We have now seen this: <4> [2120.434153] i915 0000:00:02.0: [drm] drm_WARN_ON(psr->paused) <4> [2120.434196] WARNING: CPU: 3 PID: 4430 at drivers/gpu/drm/i915/display/intel_psr.c:2227 intel_psr_pause+0x16e/0x180 [i915] Comment for drm_WARN_ON(display->drm, psr->paused) in intel_psr_pause says: "If we ever hit this, we will need to add refcount to pause/resume" This patch is implementing PSR pause/resume refcount. v3: Incorporate changes missing from v2 v2: Add drm_warn for detecting possible unbalanced pause/resume Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Animesh Manna <animesh.manna@intel.com> Link: https://lore.kernel.org/r/20250328080623.1183669-1-jouni.hogander@intel.com
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