From patchwork Fri Aug 30 16:15:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jean Delvare X-Patchwork-Id: 11126025 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 CEBD41399 for ; Mon, 2 Sep 2019 07:24:56 +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 B6C1D233A2 for ; Mon, 2 Sep 2019 07:24:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B6C1D233A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 29AEA89199; Mon, 2 Sep 2019 07:24:36 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id B5160890C7; Fri, 30 Aug 2019 16:14:56 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 4BB3BAC0C; Fri, 30 Aug 2019 16:14:55 +0000 (UTC) Date: Fri, 30 Aug 2019 18:15:03 +0200 From: Jean Delvare To: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 1/3] drm/amd: be quiet when no SAD block is found Message-ID: <20190830181503.5dd2ed81@endymion> In-Reply-To: <20190830181423.4f31a28f@endymion> References: <20190830181423.4f31a28f@endymion> Organization: SUSE Linux X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-suse-linux-gnu) MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 02 Sep 2019 07:24:25 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Ripard , David Airlie , Sean Paul , Leo Li , Alex Deucher , Christian =?utf-8?b?S8O2bmln?= Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It is fine for displays without audio functionality to not provide any SAD block in their EDID. Do not log an error in that case, just return quietly. This fixes half of bug fdo#107825: https://bugs.freedesktop.org/show_bug.cgi?id=107825 Signed-off-by: Jean Delvare Cc: Alex Deucher Cc: "Christian König" Cc: "David (ChunMing) Zhou" Cc: David Airlie Cc: Daniel Vetter Cc: Harry Wentland Cc: Leo Li --- drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 4 ++-- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 7 +++---- 5 files changed, 11 insertions(+), 12 deletions(-) --- linux-5.2.orig/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c 2019-07-08 00:41:56.000000000 +0200 +++ linux-5.2/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c 2019-08-30 14:28:46.081682223 +0200 @@ -1345,10 +1345,10 @@ static void dce_v10_0_audio_write_sad_re } sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); - if (sad_count <= 0) { + if (sad_count < 0) DRM_ERROR("Couldn't read SADs: %d\n", sad_count); + if (sad_count <= 0) return; - } BUG_ON(!sads); for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { --- linux-5.2.orig/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c 2019-07-08 00:41:56.000000000 +0200 +++ linux-5.2/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c 2019-08-30 14:29:27.276205310 +0200 @@ -1371,10 +1371,10 @@ static void dce_v11_0_audio_write_sad_re } sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); - if (sad_count <= 0) { + if (sad_count < 0) DRM_ERROR("Couldn't read SADs: %d\n", sad_count); + if (sad_count <= 0) return; - } BUG_ON(!sads); for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { --- linux-5.2.orig/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c 2019-07-08 00:41:56.000000000 +0200 +++ linux-5.2/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c 2019-08-30 17:58:53.613953458 +0200 @@ -1248,10 +1248,10 @@ static void dce_v6_0_audio_write_sad_reg } sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); - if (sad_count <= 0) { + if (sad_count < 0) DRM_ERROR("Couldn't read SADs: %d\n", sad_count); + if (sad_count <= 0) return; - } for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { u32 tmp = 0; --- linux-5.2.orig/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c 2019-07-08 00:41:56.000000000 +0200 +++ linux-5.2/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c 2019-08-30 14:29:01.948883708 +0200 @@ -1298,10 +1298,10 @@ static void dce_v8_0_audio_write_sad_reg } sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); - if (sad_count <= 0) { + if (sad_count < 0) DRM_ERROR("Couldn't read SADs: %d\n", sad_count); + if (sad_count <= 0) return; - } BUG_ON(!sads); for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { --- linux-5.2.orig/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c 2019-07-08 00:41:56.000000000 +0200 +++ linux-5.2/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c 2019-08-30 14:31:03.086421910 +0200 @@ -98,11 +98,10 @@ enum dc_edid_status dm_helpers_parse_edi (struct edid *) edid->raw_edid); sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads); - if (sad_count <= 0) { - DRM_INFO("SADs count is: %d, don't need to read it\n", - sad_count); + if (sad_count < 0) + DRM_ERROR("Couldn't read SADs: %d\n", sad_count); + if (sad_count <= 0) return result; - } edid_caps->audio_mode_count = sad_count < DC_MAX_AUDIO_DESC_COUNT ? sad_count : DC_MAX_AUDIO_DESC_COUNT; for (i = 0; i < edid_caps->audio_mode_count; ++i) {