From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F013328F00A; Mon, 5 May 2025 22:29:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484159; cv=none; b=mONNm9MhU/VQCB73q952R1WvYVroCIxaxkuZDL3A6BelvytwqLMYVtXyDVXPcFGurF+JcGrzLk0gDnhnhLNegubbUjTgAoUlH8IKACEqNdHb9HGfPZSnj5sTbUsJ3u1ovU05OSQLkUdQZ5PgRrdrSBF4WRUkI7wwSYt1M6zYiCk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484159; c=relaxed/simple; bh=0rY6USwdH/BbMFJeP4DFM3Cbs9aUeKCtF98Za21TGq8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=lb0FQBzBoOr5nYcMPgqCwUPB4ZAF5S7oaNgUegi7feDpASWXwlowi/WWBEEdvRR6GlqiqtW9CLuFC3BTRDM2Co2/G/jhS8dGeg0gyFrJ6P90N5AO/KInsi9rFm6rJii7tqYqrJK0XXHfPMCW81NmZLq7cteqcW4RhzDRCNxiX3s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=G4DVXrb8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="G4DVXrb8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3CA31C4CEEE; Mon, 5 May 2025 22:29:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746484158; bh=0rY6USwdH/BbMFJeP4DFM3Cbs9aUeKCtF98Za21TGq8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G4DVXrb8fMMegn6uH7SzHtL4s6Qnmcr34TTV2YwOnUWsSmR4RhW8dcM1d6JkBYXm7 nTgpas9KwBMPbduU/57VjjO/1eQvExgAw0Xx0pzLxTM+CqJW7MXKRV5kEwMjampcqD KgcMFJVqyV7rqAovmUC8Tx5+D3MgpOvYhsxS3h3LxXFfUWw3Hdmx+siq+sWkjDay6F +gaenyNTTGjQBqR2evYwNAOYpVOntJ8v9j8jWgzeksFIoxv1rdfGiH0uSCWMfMdMFr N9gy6d63xjIvBAiBp6JJr+PZSR5mPya/BTykZR+fSVdlPHn8TNfi7h9ZvM1tXq3zp3 kA9EotkVpwznA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Marcin Bernatowicz , Lucas De Marchi , Michal Wajdeczko , =?UTF-8?q?Micha=C5=82=20Winiarski?= , Umesh Nerlige Ramappa , Satyanarayana K V P , Sasha Levin , thomas.hellstrom@linux.intel.com, rodrigo.vivi@intel.com, airlied@gmail.com, simona@ffwll.ch, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.14 381/642] drm/xe/client: Skip show_run_ticks if unable to read timestamp Date: Mon, 5 May 2025 18:09:57 -0400 Message-Id: <20250505221419.2672473-381-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505221419.2672473-1-sashal@kernel.org> References: <20250505221419.2672473-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.14.5 Content-Transfer-Encoding: 8bit From: Marcin Bernatowicz [ Upstream commit 94030a1d3283251778411cf74553607a65260f78 ] 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: Marcin Bernatowicz Cc: Lucas De Marchi Cc: Michal Wajdeczko Cc: Michał Winiarski Cc: Umesh Nerlige Ramappa Reviewed-by: Satyanarayana K V P Signed-off-by: Michal Wajdeczko Link: https://patchwork.freedesktop.org/patch/msgid/20250205191644.2550879-3-marcin.bernatowicz@linux.intel.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/xe/xe_drm_client.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_drm_client.c b/drivers/gpu/drm/xe/xe_drm_client.c index 2d4874d2b9225..31f688e953d7b 100644 --- a/drivers/gpu/drm/xe/xe_drm_client.c +++ b/drivers/gpu/drm/xe/xe_drm_client.c @@ -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 -- 2.39.5