From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D94AEC433FE for ; Thu, 5 May 2022 17:02:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2D1F610EE3F; Thu, 5 May 2022 17:02:02 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1D65310EE3F for ; Thu, 5 May 2022 17:02:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651770121; x=1683306121; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=s3bvzzVbF776Ek4PEcH3UBqBvtXDBpQpiNpyaXDZp3o=; b=CEucQjcwrc7lAg5RAlg+OxZdE9ClkoA5kOf2OWjKtjn9cfItxGvsXapw roZBkJTJlmcUw6N8HIs5u8+ynBG8FiLa80xS0NfW7mebfpTKSm98Hd+F/ m1/NhkfaYoTyUe0nAe0x8WlM6/tR9mpQZF3QcfJfEAvlrPLqmY7aLfHxg r1nenmj4SzrWvtxXq6LXsUTUklYnD/u34voK0gxTu1NBp7uJmAoM6vIt8 RdhkQyk+AA0FLoD+qJC5yky+4SWgnGz8OusfOvGeFu1gtdJxjLIj79LgH CR+lyVS6Xuss1EpxW87zugoPsH4cNHNGLqQJ0jCvDmxLAaxZyGZVaaNJo A==; X-IronPort-AV: E=McAfee;i="6400,9594,10338"; a="268332857" X-IronPort-AV: E=Sophos;i="5.91,201,1647327600"; d="scan'208";a="268332857" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2022 10:01:50 -0700 X-IronPort-AV: E=Sophos;i="5.91,201,1647327600"; d="scan'208";a="891422573" Received: from anushasr-mobl6.jf.intel.com ([10.165.21.155]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2022 10:01:50 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Thu, 5 May 2022 09:58:03 -0700 Message-Id: <20220505165804.814035-1-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCH 0/1] DG2 DMC Support X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rodrigo Vivi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" While DG2 supports DC5 and DC9, some of the tests in fast-feedback blew up DG2 when the tests forced transition from dc5->dc9 on suspend and dc9->dc5 on resume. Some local experiments performed with Rodrigo on a RIL system showed promising results when dc5 was completely diabled and i915 took only dc9 paths. Sending this so we can check the CI results to confirm the findings from local testing which will hopefully help narrow down the root cause of MMIO BAR lost issue Cc: Rodrigo Vivi Cc: Imre Deak Anusha Srivatsa (1): drm/i915/dmc: Load DMC on DG2 drivers/gpu/drm/i915/display/intel_display_power.c | 4 +++- drivers/gpu/drm/i915/display/intel_dmc.c | 10 +++++++++- 2 files changed, 12 insertions(+), 2 deletions(-) -- 2.25.1