From patchwork Tue Nov 28 10:24:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 13470935 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CE878C07E98 for ; Tue, 28 Nov 2023 10:27:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xViqw+V4iu7CkVuNc2VJ0TDiPBYXgHXycYHApbRo0fo=; b=MqAYxCx8aAT0OP GFKdjuVaSN7BY9pfM2P+qlKGaedvgjyqTBhY3cJrp5WBZ7PLy1bk1FpLLwFb6qWOzj394Bw7TqexI dshkCUPHbU7bLF0OWPPy6CsGO8ekllBXUY9KZOh5AmsdSkLS8K/lt1eAVHtcbiS1z8+7NKaxmmYZ4 2c1K+kd6KBCJtU8cH/05jdZrFtmE4SEJALRYrAKs7vkBlA6rWeE4kp6nfOgXndx9Hd5qWTv+nII1D /Sor/7wpy0eSkZqh7mRyCGh7tv/5iU+2Wy4Q7uRVW7tI/AQcdRDGfdjvgHG7iCFbImLy+OBVoVHJP BQbTjcETBCQjvQ60zCIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r7vJI-004u8A-2M; Tue, 28 Nov 2023 10:27:20 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r7vI6-004sku-1v; Tue, 28 Nov 2023 10:26:09 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id BE21B61640; Tue, 28 Nov 2023 10:26:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 15A38C433C9; Tue, 28 Nov 2023 10:26:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701167165; bh=a4BpgPVlN4us8i8ZAKm55WYfRM8D4UzuiG9jC3POA78=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=q2lgU+wjsjlnljKK6MWooDjLCDxgcpGcRDobDJwZWY4kiE3Zak+fPk+Pf49qm8jiq vu7EkrqA4TGKW5Gu85V8Cyd+2E5dEPzgRMKyHjKkXSgihX1/ax6LmQG6wbPdhw7ujl QJ79Da3iG9tkuqj0YTdlC7oFAsa2RHP/XUe/AyvqOQGbJuSQBPL2yo39u+8PlaaTkQ jSbxZu2PpmzlXeqyJ8WnC2k3dR8wvtsJgv1wcJvN4vTFJMXqpFcAn/7+eFUM9bearS kUA8Hj8GL7RWBc1Yh53HTVMSy+NLsANpmlUCh/ehHpdTWtW8CodvYhYTp8HzCISdiT 1UYO3DNs/EfLw== From: Maxime Ripard Date: Tue, 28 Nov 2023 11:24:47 +0100 Subject: [PATCH v4 36/45] drm/rockchip: inno_hdmi: Move infoframe disable to separate function MIME-Version: 1.0 Message-Id: <20231128-kms-hdmi-connector-state-v4-36-c7602158306e@kernel.org> References: <20231128-kms-hdmi-connector-state-v4-0-c7602158306e@kernel.org> In-Reply-To: <20231128-kms-hdmi-connector-state-v4-0-c7602158306e@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Emma Anholt , Jonathan Corbet , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Hans Verkuil , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, Maxime Ripard X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3525; i=mripard@kernel.org; h=from:subject:message-id; bh=a4BpgPVlN4us8i8ZAKm55WYfRM8D4UzuiG9jC3POA78=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDKmp+y9Nfv1OZGm5s46o1PJp80zytnjNl/+wsrvSxdKML Ua6UFi8o5SFQYyLQVZMkSVG2HxJ3KlZrzvZ+ObBzGFlAhnCwMUpABOp4WP4X1MZpBSj5no/8egH 5ftXudrOZH6ofXbkTZSkz8bLyZV6HQx/5VnlbUQv7Exc8WvxS9f3Ba8+sLA9mf5n7TvpDdLSJac TOAA= X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231128_022606_765324_600E422A X-CRM114-Status: GOOD ( 15.61 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org The code to upload infoframes to the controller uses a weird construct which, based on the previous function call return code, will either disable or enable that infoframe. In order to get rid of that argument, let's split the function to disable the infoframe into a separate function and make it obvious what we are doing in the error path. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/rockchip/inno_hdmi.c | 53 +++++++++++++++++++++++------------- 1 file changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index 59b2b676b7b8..e3a421d98dd4 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -156,33 +156,38 @@ static void inno_hdmi_reset(struct inno_hdmi *hdmi) inno_hdmi_set_pwr_mode(hdmi, NORMAL); } -static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi, int setup_rc, - union hdmi_infoframe *frame, u32 frame_index, - u32 mask, u32 disable, u32 enable) +static void inno_hdmi_disable_frame(struct inno_hdmi *hdmi, + u32 frame_index, + u32 mask, u32 disable) { if (mask) hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, disable); hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, frame_index); +} - if (setup_rc >= 0) { - u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE]; - ssize_t rc, i; +static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi, + union hdmi_infoframe *frame, u32 frame_index, + u32 mask, u32 disable, u32 enable) +{ + u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE]; + ssize_t rc, i; - rc = hdmi_infoframe_pack(frame, packed_frame, - sizeof(packed_frame)); - if (rc < 0) - return rc; + inno_hdmi_disable_frame(hdmi, frame_index, mask, disable); - for (i = 0; i < rc; i++) - hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i, - packed_frame[i]); + rc = hdmi_infoframe_pack(frame, packed_frame, + sizeof(packed_frame)); + if (rc < 0) + return rc; - if (mask) - hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, enable); - } + for (i = 0; i < rc; i++) + hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i, + packed_frame[i]); - return setup_rc; + if (mask) + hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, enable); + + return 0; } static int inno_hdmi_config_video_vsi(struct inno_hdmi *hdmi, @@ -194,8 +199,13 @@ static int inno_hdmi_config_video_vsi(struct inno_hdmi *hdmi, rc = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi, &hdmi->connector, mode); + if (rc) { + inno_hdmi_disable_frame(hdmi, INFOFRAME_VSI, + m_PACKET_VSI_EN, v_PACKET_VSI_EN(0)); + return rc; + } - return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_VSI, + return inno_hdmi_upload_frame(hdmi, &frame, INFOFRAME_VSI, m_PACKET_VSI_EN, v_PACKET_VSI_EN(0), v_PACKET_VSI_EN(1)); } @@ -208,9 +218,14 @@ static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi, rc = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, &hdmi->connector, mode); + if (rc) { + inno_hdmi_disable_frame(hdmi, INFOFRAME_AVI, 0, 0); + return rc; + } + frame.avi.colorspace = HDMI_COLORSPACE_RGB; - return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_AVI, 0, 0, 0); + return inno_hdmi_upload_frame(hdmi, &frame, INFOFRAME_AVI, 0, 0, 0); } static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)