en Copyright 2015 Java http://172.16.0.5:8080/history/linux-6.15/drivers/gpu/drm/xe/Kconfig.profile#474c4dd2 drm/xe: Add missing SPDX license identifiersEnsure all Xe driver files have a proper SPDX license identifier, add itin files where it was missing.Link: https://patchwork.freedesktop.org/patch/msgid/20250116124532.1480351-1-francois.dugast@intel.comSigned-off-by: Francois Dugast <francois.dugast@intel.com>Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> List of files: /linux-6.15/drivers/gpu/drm/xe/Kconfig.profile Thu, 16 Jan 2025 12:45:32 +0000 Francois Dugast <francois.dugast@intel.com> http://172.16.0.5:8080/history/linux-6.15/drivers/gpu/drm/xe/Kconfig.profile#a863b416 drm/xe: Add CONFIG_DRM_XE_PREEMPT_TIMEOUTAllow preemption timeout to be specified as a config option.v2: Change unit to microseconds (Tejas)v3: Remove get_default_preempt_timeout()Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> List of files: /linux-6.15/drivers/gpu/drm/xe/Kconfig.profile Mon, 07 Aug 2023 14:58:38 +0000 Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> http://172.16.0.5:8080/history/linux-6.15/drivers/gpu/drm/xe/Kconfig.profile#d2776564 drm/xe: Add min/max cap for engine scheduler propertiesAdd sysfs entries for the min, max, and defaults for each ofengine scheduler controls for every hardware engine class.Non-elevated user IOCTLs to set these controls must be withinthe min-max ranges of the sysfs entries, elevated user can setthese controls to any value. However, introduced compile timeCONFIG min-max values which restricts elevated user to be incompile time min-max range if at all sysfs min/max are violated.Sysfs entries examples are,DUT# cat /sys/class/drm/cardX/device/tileN/gtN/engines/ccs/.defaults/job_timeout_max job_timeout_ms preempt_timeout_min timeslice_duration_max timeslice_duration_usjob_timeout_min preempt_timeout_max preempt_timeout_us timeslice_duration_minDUT# cat /sys/class/drm/card1/device/tileN/gtN/engines/ccs/.defaults/ job_timeout_min preempt_timeout_max preempt_timeout_us timeslice_duration_minjob_timeout_max job_timeout_ms preempt_timeout_min timeslice_duration_max timeslice_duration_usV12: - RebaseV11: - Make engine_get_prop_minmax and enforce_sched_limit static - Matt - use enum in place of string in engine_get_prop_minmax - Matt - no need to use enforce_sched_limit or no need to filter min/max per user type in sysfs - MattV10: - Add kernel doc for non-static func - Make helper to get min/max for range validation - Matt - Filter min/max per user typeV9 : - Rebase to use s/xe_engine/xe_hw_engine/ - MattV8 : - fix enforce_sched_limit and avoid code duplication - Niranjana - Make sure min < max - NiranjanaV7 : - Rebase to replace hw engine with eclass interface - return EINVAL in place of EPERM - Use some APIs to avoid code duplicationV6 : - Rebase changes to reflect per engine class props interface - MattB - Use #if ENABLED - MattB - Remove MAX_SCHED_TIMEOUT check as range validation is enoughV5 : - Rebase to resolve conflicts - CIV4 : - Rebase - Update commit to reflect tile addition - Use XE_HW macro directly as they are already filtered for CONFIG checks - Niranjana - Add CONFIG for enable/disable min/max limitation on elevated user. Default is enable - Matt/JoonasV3 : - Resolve CI hooks warning for kernel-docV2 : - Restric min/max setting to #define default min/max for elevated user - Himal - Remove unrelated changes from patch - NiranjanaReviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>Reviewed-by: Matthew Brost <matthew.brost@intel.com>Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> List of files: /linux-6.15/drivers/gpu/drm/xe/Kconfig.profile Fri, 04 Aug 2023 06:24:23 +0000 Tejas Upadhyay <tejas.upadhyay@intel.com>