From 98ab3f7903230cb55945799d32538a416eac85f6 Mon Sep 17 00:00:00 2001 From: Lucas De Marchi Date: Fri, 17 May 2024 13:43:09 -0700 Subject: [PATCH] drm/xe: Add helper to return any available hw engine Get the first available engine from a gt, which helps in the case any engine serves as a context, like when reading RING_TIMESTAMP. Reviewed-by: Umesh Nerlige Ramappa Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-8-lucas.demarchi@intel.com Signed-off-by: Lucas De Marchi --- drivers/gpu/drm/xe/xe_gt.c | 11 +++++++++++ drivers/gpu/drm/xe/xe_gt.h | 7 +++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 5194a3d38e7..3432fef5648 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -833,3 +833,14 @@ struct xe_hw_engine *xe_gt_any_hw_engine_by_reset_domain(struct xe_gt *gt, return NULL; } + +struct xe_hw_engine *xe_gt_any_hw_engine(struct xe_gt *gt) +{ + struct xe_hw_engine *hwe; + enum xe_hw_engine_id id; + + for_each_hw_engine(hwe, gt, id) + return hwe; + + return NULL; +} diff --git a/drivers/gpu/drm/xe/xe_gt.h b/drivers/gpu/drm/xe/xe_gt.h index 1d010bf4a75..9073ac68a77 100644 --- a/drivers/gpu/drm/xe/xe_gt.h +++ b/drivers/gpu/drm/xe/xe_gt.h @@ -67,6 +67,13 @@ void xe_gt_remove(struct xe_gt *gt); struct xe_hw_engine * xe_gt_any_hw_engine_by_reset_domain(struct xe_gt *gt, enum xe_engine_class class); +/** + * xe_gt_any_hw_engine - scan the list of engines and return the + * first available + * @gt: GT structure + */ +struct xe_hw_engine *xe_gt_any_hw_engine(struct xe_gt *gt); + struct xe_hw_engine *xe_gt_hw_engine(struct xe_gt *gt, enum xe_engine_class class, u16 instance,