Commit d2300987 authored by Lucas De Marchi's avatar Lucas De Marchi Committed by Rodrigo Vivi
Browse files

drm/xe/gt: Dump PAT table when failing to initialize 



When failing on early initialization, one cause may be that the PAT
configuration is not correct. Dump it for ease of debugging.

Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231006182325.3617685-4-lucas.demarchi@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 34803f9a

drivers/gpu/drm/xe/xe_gt.c

+12 −0
Original line number Diff line number Diff line
@@ -307,6 +307,17 @@ int xe_gt_init_early(struct xe_gt *gt) 
	return 0;

}



static void dump_pat_on_error(struct xe_gt *gt)

{

	struct drm_printer p;

	char prefix[32];



	snprintf(prefix, sizeof(prefix), "[GT%u Error]", gt->info.id);

	p = drm_debug_printer(prefix);



	xe_pat_dump(gt, &p);

}



static int gt_fw_domain_init(struct xe_gt *gt)

{

	int err, i;
@@ -360,6 +371,7 @@ static int gt_fw_domain_init(struct xe_gt *gt) 
	return 0;



err_force_wake:

	dump_pat_on_error(gt);

	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);

err_hw_fence_irq:

	for (i = 0; i < XE_ENGINE_CLASS_MAX; ++i)