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authorMatthew Brost <matthew.brost@intel.com>2024-11-26 09:46:11 -0800
committerThomas Hellström <thomas.hellstrom@linux.intel.com>2024-11-28 15:22:36 +0100
commitaef0b4a07277f715bfc2a0d76a16da2bc4e89205 (patch)
tree619a4f11203cd41ecc8278444dad2bf5a08db7b4 /drivers/gpu/drm
parentc78f4399188369a55eed69cbf19a8aad2a65ac75 (diff)
drm/xe: Take PM ref in delayed snapshot capture worker
The delayed snapshot capture worker can access the GPU or VRAM both of which require a PM reference. Take a reference in this worker. Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Fixes: 4f04d07c0a94 ("drm/xe: Faster devcoredump") Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241126174615.2665852-5-matthew.brost@intel.com (cherry picked from commit 1c6878af115a4586a40d6c14d530fa9f93e0bd83) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/xe/xe_devcoredump.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c
index d2679c5d976b..0b0cd6aa1d9f 100644
--- a/drivers/gpu/drm/xe/xe_devcoredump.c
+++ b/drivers/gpu/drm/xe/xe_devcoredump.c
@@ -23,6 +23,7 @@
#include "xe_guc_submit.h"
#include "xe_hw_engine.h"
#include "xe_module.h"
+#include "xe_pm.h"
#include "xe_sched_job.h"
#include "xe_vm.h"
@@ -158,8 +159,11 @@ static void xe_devcoredump_deferred_snap_work(struct work_struct *work)
{
struct xe_devcoredump_snapshot *ss = container_of(work, typeof(*ss), work);
struct xe_devcoredump *coredump = container_of(ss, typeof(*coredump), snapshot);
+ struct xe_device *xe = coredump_to_xe(coredump);
unsigned int fw_ref;
+ xe_pm_runtime_get(xe);
+
/* keep going if fw fails as we still want to save the memory and SW data */
fw_ref = xe_force_wake_get(gt_to_fw(ss->gt), XE_FORCEWAKE_ALL);
if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL))
@@ -168,6 +172,8 @@ static void xe_devcoredump_deferred_snap_work(struct work_struct *work)
xe_guc_exec_queue_snapshot_capture_delayed(ss->ge);
xe_force_wake_put(gt_to_fw(ss->gt), fw_ref);
+ xe_pm_runtime_put(xe);
+
/* Calculate devcoredump size */
ss->read.size = __xe_devcoredump_read(NULL, INT_MAX, coredump);