From patchwork Tue Dec 19 17:00:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Bee X-Patchwork-Id: 13498577 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 5D5F4C46CA2 for ; Tue, 19 Dec 2023 17:01:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B6DC010E4FE; Tue, 19 Dec 2023 17:01:46 +0000 (UTC) Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7D8B310E2F4 for ; Tue, 19 Dec 2023 17:01:21 +0000 (UTC) Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-40d31116dbeso614915e9.3 for ; Tue, 19 Dec 2023 09:01:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703005280; x=1703610080; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=WLVOVeutPpE/o943uN9J0cWjrEPzXhsU4YUzCWYMJxA=; b=PFAY2CzO7lccNzpszRNg/X/SoDXsdGXiJ6kD7LB8i3FWfctBU1bZnnMgc3LWFj/ldi 44oMaeJtWsIUPLcefeLoecQFkKAhnkroGr6McQB9AZ/AwOVBXIPuyGQ0yET9Zm02/+2n gKsq589PyoonhH0IGyA1RkXOkWO6eJgJhDINQPEFVlJ6bPIM48KD88rmPbIEDZFjfmTT kUh9FhnW+CYCvijxX6an+WNH1xPytFBlqEc4nVqXpdvl99EFpAFwel+go2K7Nr6h33sk xTcfFUkpeRfV8G3TVv5uNKF2XWGcnwouNkmjfmnfLnO88raD4p5uXDIrHthSsNt7WEl/ cucw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703005280; x=1703610080; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=WLVOVeutPpE/o943uN9J0cWjrEPzXhsU4YUzCWYMJxA=; b=DM8miVATyDcemCV8GMJ0Nsv3ZtTZpNrjthPJznOUBnX4hQ4bL7RV6wli8vabCZ2zgM tzURUeRanYpxVRYoHK8N0UFsMNQrzJCzfVCFqt+BhaodqfD6yfXAaAbHbMoVWRTvGkWH yR7aLtFTcqzVTTUZlBRMYMzhCOWTmooMgPmyu7IqVeKa+Ngs0/l8J62yh27FNbCAZeFO NdAhIVrbQTlGceQovI4S18zbwJKv1IpXlAX6bWSBe05uUYvn/4eyXzGcsPa93rgJf7Xr CRownKcM4Zzmvxjj+qScrhp1NnvwMQ+Br6UUcNv4oH/G0D7AytUatKvSfiKgj3pBpFLw yzKA== X-Gm-Message-State: AOJu0YxEW0uTMlqwp5hlQrSFK7/2qltU6Swuf+6zdDmG9f6uq2Ezeixb grR35iaXvsUE+P0Sba8+4A== X-Google-Smtp-Source: AGHT+IGRlC9Raac+QygKKLDkdfOeiYrk+nrbVIe+Lff6n3kh+jfvi6jEh6b9PVLAsBO1Ls90F8sAzQ== X-Received: by 2002:a05:600c:808e:b0:40b:5e59:c581 with SMTP id ew14-20020a05600c808e00b0040b5e59c581mr9903834wmb.171.1703005279654; Tue, 19 Dec 2023 09:01:19 -0800 (PST) Received: from U4.lan ([2a02:810b:f40:4300:7ae5:3e:d1c6:a138]) by smtp.gmail.com with ESMTPSA id i7-20020a05600c354700b0040d2805d158sm3225878wmq.48.2023.12.19.09.01.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Dec 2023 09:01:19 -0800 (PST) From: Alex Bee To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Subject: [PATCH v3 14/29] drm/rockchip: inno_hdmi: Move infoframe disable to separate function Date: Tue, 19 Dec 2023 18:00:44 +0100 Message-ID: <20231219170100.188800-15-knaerzche@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231219170100.188800-1-knaerzche@gmail.com> References: <20231219170100.188800-1-knaerzche@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Alex Bee , linux-rockchip@lists.infradead.org, David Airlie , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Maxime Ripard 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 Tested-by: Alex Bee Signed-off-by: Alex Bee --- changes in v2: - imported patch changes in v3: - added my SoB drivers/gpu/drm/rockchip/inno_hdmi.c | 46 ++++++++++++++++++---------- 1 file changed, 30 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index 5c9f1325441f..10466c2aa520 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -205,34 +205,44 @@ 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) +static void inno_hdmi_disable_frame(struct inno_hdmi *hdmi, u32 frame_index) { struct drm_connector *connector = &hdmi->connector; if (frame_index != INFOFRAME_AVI) { drm_err(connector->dev, "Unsupported infoframe type: %u\n", frame_index); - return 0; + return; } 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; - - rc = hdmi_infoframe_pack(frame, packed_frame, - sizeof(packed_frame)); - if (rc < 0) - return rc; +static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi, + union hdmi_infoframe *frame, u32 frame_index) +{ + struct drm_connector *connector = &hdmi->connector; + u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE]; + ssize_t rc, i; - for (i = 0; i < rc; i++) - hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i, - packed_frame[i]); + if (frame_index != INFOFRAME_AVI) { + drm_err(connector->dev, + "Unsupported infoframe type: %u\n", frame_index); + return 0; } - return setup_rc; + inno_hdmi_disable_frame(hdmi, frame_index); + + rc = hdmi_infoframe_pack(frame, packed_frame, + sizeof(packed_frame)); + if (rc < 0) + return rc; + + for (i = 0; i < rc; i++) + hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i, + packed_frame[i]); + + return 0; } static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi, @@ -244,6 +254,10 @@ 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); + return rc; + } if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV444) frame.avi.colorspace = HDMI_COLORSPACE_YUV444; @@ -252,7 +266,7 @@ static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi, else frame.avi.colorspace = HDMI_COLORSPACE_RGB; - return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_AVI); + return inno_hdmi_upload_frame(hdmi, &frame, INFOFRAME_AVI); } static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)