diff mbox series

drm/i915/guc: Report error on invalid reset notification

Message ID 20211223013128.1739792-1-John.C.Harrison@Intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/guc: Report error on invalid reset notification | expand

Commit Message

John Harrison Dec. 23, 2021, 1:31 a.m. UTC
From: John Harrison <John.C.Harrison@Intel.com>

Don't silently drop reset notifications from the GuC. It might not be
safe to do an error capture but we still want some kind of report that
the reset happened.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Matthew Brost Dec. 23, 2021, 5:58 p.m. UTC | #1
On Wed, Dec 22, 2021 at 05:31:28PM -0800, John.C.Harrison@Intel.com wrote:
> From: John Harrison <John.C.Harrison@Intel.com>
> 
> Don't silently drop reset notifications from the GuC. It might not be
> safe to do an error capture but we still want some kind of report that
> the reset happened.
> 
> Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> 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 e7517206af82..0fbf24b8d5e1 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> @@ -3979,6 +3979,11 @@ static void guc_handle_context_reset(struct intel_guc *guc,
>  		   !context_blocked(ce))) {
>  		capture_error_state(guc, ce);
>  		guc_context_replay(ce);
> +	} else {
> +		drm_err(&guc_to_gt(guc)->i915->drm,
> +			"Invalid GuC engine reset notificaion for 0x%04X on %s: banned = %d, blocked = %d",
> +			ce->guc_id.id, ce->engine->name, intel_context_is_banned(ce),
> +			context_blocked(ce));

As discussed off the list, I'll a take an AR to see if we can not
supress the capture here. But until that gets resolved:

Reviewed-by: Matthew Brost <matthew.brost@intel.com>

>  	}
>  }
>  
> -- 
> 2.25.1
>
diff mbox series

Patch

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 e7517206af82..0fbf24b8d5e1 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -3979,6 +3979,11 @@  static void guc_handle_context_reset(struct intel_guc *guc,
 		   !context_blocked(ce))) {
 		capture_error_state(guc, ce);
 		guc_context_replay(ce);
+	} else {
+		drm_err(&guc_to_gt(guc)->i915->drm,
+			"Invalid GuC engine reset notificaion for 0x%04X on %s: banned = %d, blocked = %d",
+			ce->guc_id.id, ce->engine->name, intel_context_is_banned(ce),
+			context_blocked(ce));
 	}
 }