Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v6.19.11 2025-11-03T09:55:20+00:00 2025-11-03T09:55:20+00:00 Jouni Högander jouni.hogander@intel.com 2025-10-30T20:28:32+00:00 urn:sha1:1914d6861b594dde7cbb359ab1ba43f2e3a82f91 We have differing implementations for display runtime pm in i915 and xe drivers. Add struct of function pointers into display_parent_interface which will contain used implementation of runtime pm. v2: - add _interface suffix to rpm function pointer struct - add struct ref_tracker forward declaration - use kernel-doc comments Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Link: https://patch.msgid.link/20251030202836.1815680-3-jouni.hogander@intel.com 2025-11-03T09:55:19+00:00 Jani Nikula jani.nikula@intel.com 2025-10-30T20:28:31+00:00 urn:sha1:b3c8fa0d9c2650ab9bdc7ccc980a6826c4f9021d Let's gradually start calling i915 and xe parent, or core, drivers from display via function pointers passed at display probe. Going forward, the struct intel_display_parent_interface is expected to include const pointers to sub-structs by functionality, for example: struct intel_display_rpm { struct ref_tracker *(*get)(struct drm_device *drm); /* ... */ }; struct intel_display_parent_interface { /* ... */ const struct intel_display_rpm *rpm; }; This is a baby step towards not building display as part of both i915 and xe drivers, but rather making it an independent driver interfacing with the two. v3: useless include additions dropped v2: unrelated include removal dropped Cc: Jouni Högander <jouni.hogander@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Link: https://patch.msgid.link/20251030202836.1815680-2-jouni.hogander@intel.com