From b277f46ac9e84fdb187f63f7f1b3cdd64758bd42 Mon Sep 17 00:00:00 2001
From: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Date: Fri, 30 Jul 2021 13:21:11 -0700
Subject: drm/i915/guc/slpc: Remove BUG_ON in guc_submission_disable
Git-commit: db301cffd8a285bbe73879671e6d666a0b654138
Patch-mainline: v5.15-rc1
References: jsc#SLE-22601
The assumption when it was added was that GT would not be
holding any gt_pm references. However, uc_init is called
from gt_init_hw, which holds a forcewake ref. If SLPC
enable fails, we will still be holding this ref, which will
result in the BUG_ON.
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730202119.23810-7-vinay.belgaumkar@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 89ff0e4b4bc7..87d8dc8f51b9 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -2536,10 +2536,6 @@ void intel_guc_submission_enable(struct intel_guc *guc)
void intel_guc_submission_disable(struct intel_guc *guc)
{
- struct intel_gt *gt = guc_to_gt(guc);
-
- GEM_BUG_ON(gt->awake); /* GT should be parked first */
-
/* Note: By the time we're here, GuC may have already been reset */
}
--
2.33.1