From patchwork Mon Jul 20 19:41:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Modem, Bhanuprakash" X-Patchwork-Id: 11673569 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1228113B4 for ; Mon, 20 Jul 2020 11:46:19 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EF58F2080D for ; Mon, 20 Jul 2020 11:46:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EF58F2080D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 812F86E0D2; Mon, 20 Jul 2020 11:46:18 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id C21AF6E0D2 for ; Mon, 20 Jul 2020 11:46:16 +0000 (UTC) IronPort-SDR: /cQZBdHW1sCMkoHrv17nkV+TJgLw72WWBrZwxqczlxduhzCYYOtBDWiBGbKQqguzNoy0WdYyOO +tvwiRhHCPHw== X-IronPort-AV: E=McAfee;i="6000,8403,9687"; a="168023689" X-IronPort-AV: E=Sophos;i="5.75,374,1589266800"; d="scan'208";a="168023689" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2020 04:46:16 -0700 IronPort-SDR: yXMMd7wLEGR17UMZLDXBTRQAJXU+wlT7lTWRsGuSTv5wRIEm9PrhuH1Yt9pAZUtf2Y/MvjGPqB WT3+jIwQWO0g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,374,1589266800"; d="scan'208";a="487216422" Received: from bhanu-nuc8i7beh.iind.intel.com ([10.145.162.210]) by fmsmga006.fm.intel.com with ESMTP; 20 Jul 2020 04:46:15 -0700 From: Bhanuprakash Modem To: bhanuprakash.modem@intel.com, intel-gfx@lists.freedesktop.org Date: Tue, 21 Jul 2020 01:11:25 +0530 Message-Id: <20200720194127.24750-1-bhanuprakash.modem@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 0/2] Expose crtc dither state and connector max bpc via debugfs 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" [why] It's useful to know the max supported panel BPC and PIPE dither state for IGT testing. [how] * Expose the connector max supported BPC for the panel via a debugfs file on the connector, "output_bpc". Example: cat /sys/kernel/debug/dri/0/DP-1/output_bpc * Expose the dithering state for the crtc via a debugfs file "dither". Example: cat /sys/kernel/debug/dri/0/crtc-0/dither Test-with: 20200720165011.23918-1-bhanuprakash.modem@intel.com Bhanuprakash Modem (2): i915/debug: Expose crtc dither state via debugfs i915/debug: Expose Max BPC info via debugfs .../drm/i915/display/intel_display_debugfs.c | 17 +++++++++++++++++ drivers/gpu/drm/i915/i915_debugfs.c | 17 +++++++++++++++++ 2 files changed, 34 insertions(+)