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 3BA50C433EF for ; Fri, 6 May 2022 17:17:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A361210F22F; Fri, 6 May 2022 17:17:19 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8759A10F22F for ; Fri, 6 May 2022 17:17:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651857438; x=1683393438; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=s3bvzzVbF776Ek4PEcH3UBqBvtXDBpQpiNpyaXDZp3o=; b=gBvuL8UczZNeOrkon7QggwmoQWWpZRgc15FYiVZVloWm6TsKWueOU0Q2 lyQagwg+f+mJLkk3qpl2BSbo1duwPcMRAfw3lpaETFe6kIZuFb6t/9lKR jTKi/SNyvYnKBYn4FvbEx4fEY0Zs14Ew3TcbovfUW7ySgii5TugHKr1Zt Je29awhUqzNDz+iGS1O1QJlWH0/5AI/wk2Dbz81DvQaYLGKcJ24baYhHQ WeWXbQmR4eGWsofoBq6tr2UvcUih8Hr4V2lIyoqn0Se5eAoTaQrrtm7jt lEeYz9mBN3R68i6jwiuvqcu4R5g+M90fNgv/Kc7yeMsXpCMBoOOIqnD8J A==; X-IronPort-AV: E=McAfee;i="6400,9594,10339"; a="329070219" X-IronPort-AV: E=Sophos;i="5.91,205,1647327600"; d="scan'208";a="329070219" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2022 10:17:08 -0700 X-IronPort-AV: E=Sophos;i="5.91,205,1647327600"; d="scan'208";a="518129795" Received: from anushasr-mobl6.jf.intel.com ([10.165.21.155]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2022 10:17:08 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Fri, 6 May 2022 10:13:27 -0700 Message-Id: <20220506171328.845107-1-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