Commit 94030a1d authored by Marcin Bernatowicz's avatar Marcin Bernatowicz Committed by Michal Wajdeczko
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drm/xe/client: Skip show_run_ticks if unable to read timestamp 



RING_TIMESTAMP registers are inaccessible in VF mode.
Without drm-total-cycles-*, other keys provide little value.
Skip all optional "run_ticks" keys in this case.

Signed-off-by: default avatarMarcin Bernatowicz <marcin.bernatowicz@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: default avatarSatyanarayana K V P <satyanarayana.k.v.p@intel.com>
Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250205191644.2550879-3-marcin.bernatowicz@linux.intel.com
parent 5a9f8db2

drivers/gpu/drm/xe/xe_drm_client.c

+8 −0
Original line number Diff line number Diff line
@@ -324,6 +324,14 @@ static void show_run_ticks(struct drm_printer *p, struct drm_file *file) 
	u64 gpu_timestamp;

	unsigned int fw_ref;



	/*

	 * RING_TIMESTAMP registers are inaccessible in VF mode.

	 * Without drm-total-cycles-*, other keys provide little value.

	 * Show all or none of the optional "run_ticks" keys in this case.

	 */

	if (IS_SRIOV_VF(xe))

		return;



	/*

	 * Wait for any exec queue going away: their cycles will get updated on

	 * context switch out, so wait for that to happen