Commit fa424387 authored by Vinay Belgaumkar's avatar Vinay Belgaumkar Committed by Lucas De Marchi
Browse files

drm/xe/guc: Ignore GuC CT errors when wedged 



Messaging to GuC may get canceled when device is wedged. Don't
flag this as an error in xe_guc_pc code.

Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: default avatarVinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: default avatarStuart Summers <stuart.summers@intel.com>
Link: https://lore.kernel.org/r/20250612-wa-14022085890-v4-1-94ba5dcc1e30@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent 87c648c3

drivers/gpu/drm/xe/xe_guc_pc.c

+5 −5
Original line number Diff line number Diff line
@@ -153,7 +153,7 @@ static int pc_action_reset(struct xe_guc_pc *pc) 
	int ret;



	ret = xe_guc_ct_send(ct, action, ARRAY_SIZE(action), 0, 0);

	if (ret)

	if (ret && !(xe_device_wedged(pc_to_xe(pc)) && ret == -ECANCELED))

		xe_gt_err(pc_to_gt(pc), "GuC PC reset failed: %pe\n",

			  ERR_PTR(ret));
@@ -177,7 +177,7 @@ static int pc_action_query_task_state(struct xe_guc_pc *pc) 


	/* Blocking here to ensure the results are ready before reading them */

	ret = xe_guc_ct_send_block(ct, action, ARRAY_SIZE(action));

	if (ret)

	if (ret && !(xe_device_wedged(pc_to_xe(pc)) && ret == -ECANCELED))

		xe_gt_err(pc_to_gt(pc), "GuC PC query task state failed: %pe\n",

			  ERR_PTR(ret));
@@ -200,7 +200,7 @@ static int pc_action_set_param(struct xe_guc_pc *pc, u8 id, u32 value) 
		return -EAGAIN;



	ret = xe_guc_ct_send(ct, action, ARRAY_SIZE(action), 0, 0);

	if (ret)

	if (ret && !(xe_device_wedged(pc_to_xe(pc)) && ret == -ECANCELED))

		xe_gt_err(pc_to_gt(pc), "GuC PC set param[%u]=%u failed: %pe\n",

			  id, value, ERR_PTR(ret));
@@ -222,7 +222,7 @@ static int pc_action_unset_param(struct xe_guc_pc *pc, u8 id) 
		return -EAGAIN;



	ret = xe_guc_ct_send(ct, action, ARRAY_SIZE(action), 0, 0);

	if (ret)

	if (ret && !(xe_device_wedged(pc_to_xe(pc)) && ret == -ECANCELED))

		xe_gt_err(pc_to_gt(pc), "GuC PC unset param failed: %pe",

			  ERR_PTR(ret));
@@ -239,7 +239,7 @@ static int pc_action_setup_gucrc(struct xe_guc_pc *pc, u32 mode) 
	int ret;



	ret = xe_guc_ct_send(ct, action, ARRAY_SIZE(action), 0, 0);

	if (ret)

	if (ret && !(xe_device_wedged(pc_to_xe(pc)) && ret == -ECANCELED))

		xe_gt_err(pc_to_gt(pc), "GuC RC enable mode=%u failed: %pe\n",

			  mode, ERR_PTR(ret));

	return ret;