From nobody Sat Feb 7 12:11:28 2026 Received: from mail-oi1-f178.google.com (mail-oi1-f178.google.com [209.85.167.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5388613C832 for ; Sat, 10 Aug 2024 04:55:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723265706; cv=none; b=GLffbSUu28SK/nsxQvE32w8crTGaCUhYTccjN9v7FmUU08eKtBqBGLeLOScrVlWKcuymhiNzbm0f37M6Hr0jXAKeRt3eh907NiotimKcKzfR04cYsrUh5MDQHyhc29HTozNqD34PvGDWzJUbYJrijC753qRXSS1XIKdlL7xpLas= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723265706; c=relaxed/simple; bh=0G/Z/wVVwEAQeKnbFnydLmy+mhgn2ULLDkAD8G3p+5o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tqdpPpVGFbqy1yaClhsu8P6bWI2+mFqsicB110zLi+jUQ/4qswe0HppyfNqJcRmv3ajZv5Nk/Afg8y5h6W/IPgSOCPvDLWBTODXk7LsX80LbP++mnTPHxd85RjTMBiUjBAukMdPL4s3t/X1GBcVVD6ng9R+hQG0aFk1EwEaNrqY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Ovh12xhU; arc=none smtp.client-ip=209.85.167.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ovh12xhU" Received: by mail-oi1-f178.google.com with SMTP id 5614622812f47-3db50abf929so2016963b6e.2 for ; Fri, 09 Aug 2024 21:55:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1723265704; x=1723870504; darn=vger.kernel.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=IS2eypZenlB0YB7xDQlNlol297l5Xqi9mIfw1aOttS8=; b=Ovh12xhUJKKNxnyIqAeDYVZ9dJmPL+NgYhxUzH7bNAv5U91v0lgIlzKBqcA0C+dEzS kIdiH3dIadaWBhAsGh5ozJ6l6qhNxvqvmEDfRXOgAUY04vzzYInW5xyCHtus3DRS/ZcG VNP2yXkJUWlJICeePYJrJ8mN1Pebm7yA0nvMuD5XeDlZ6rQ8/miugaqe9l5Srd9gUVCJ aOF9YImEpJvsmP12DQiiCf6nSXTNb+i9qJo5S4g1pnxwXtYt8/jsGD7VqMvBDQc4dBh0 nLqB1QB7Z70Ut7E9gZv50EHTLEt+p5EGskxi59447yzH+l1/QxE2VoULLDxnNsl93mtc lSuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723265704; x=1723870504; 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=IS2eypZenlB0YB7xDQlNlol297l5Xqi9mIfw1aOttS8=; b=U02rGK7dObyHXHfNwa6kaOymiBheMnbYGgFAIvDOXLQgU4USF6hi7o0ttrBF9R1vrE +ZMMDoV9Q3g5+raqfeiXOoiPT6h8vN42RkiiZYIFlP3z5LSGCf7XnfwmAX7PuBuXxivs u22xvenSOrXU3JlcK39n0cj98twky0e8FZzf6J2UnTIa392z70C8lVmso//fhVx26+C7 NyeUQdrrknHZc4mufQ1CSdiORlQY3TDZ2zd4cu13feTNEBB85BaX36LsHNP+1+9yGVtg uKRNcV8l1sYDIINUfP57SMYFVOKJvvBJ6761HF1ZAn1+Buo8uvrljnZ8eSL6zsdCawBU 6bFA== X-Forwarded-Encrypted: i=1; AJvYcCUotRf0jZWE1zJ9qtM0r5bzMvjb0VfcqM2QmMjqVWS9YrjAH5HYZi4ITms8UkO2atXTpJOHyX2v2AGEXsGJ8NiYuhnNxI6NYgkQgAIp X-Gm-Message-State: AOJu0Yzc+MLT8ifhHa3d9odzGH7d+sE00GECuY5ob1I1XOoJigKPETjf 5kTACloQwy2+Zcs3IedRw7FYBxxoIbgD5NmseFyScj6CI81VoE2a X-Google-Smtp-Source: AGHT+IHDNq0Y0g8CWga0ectmzl5Wbkm4MdbLEC+pLI0m00o5hpFZx9xFMZDa1UF7ISR8lw2Pl0kiiw== X-Received: by 2002:a05:6808:6542:b0:3d9:3e48:8b13 with SMTP id 5614622812f47-3dc4166b4d4mr3997158b6e.10.1723265704323; Fri, 09 Aug 2024 21:55:04 -0700 (PDT) Received: from distilledx.srmu.edu.in ([103.4.221.252]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-200bb8fd82asm5227005ad.73.2024.08.09.21.55.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Aug 2024 21:55:04 -0700 (PDT) From: Tejas Vipin To: maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, neil.armstrong@linaro.org, quic_jesszhan@quicinc.com Cc: dianders@chromium.org, airlied@gmail.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Tejas Vipin Subject: [PATCH 1/2] drm/mipi-dsi: Add mipi_dsi_dcs_set_tear_scanline_multi Date: Sat, 10 Aug 2024 10:24:03 +0530 Message-ID: <20240810045404.188146-2-tejasvipin76@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240810045404.188146-1-tejasvipin76@gmail.com> References: <20240810045404.188146-1-tejasvipin76@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" mipi_dsi_dcs_set_tear_scanline_multi can heavily benefit from being converted to a multi style function as it is often called in the context of similar functions. Signed-off-by: Tejas Vipin Reviewed-by: Douglas Anderson --- drivers/gpu/drm/drm_mipi_dsi.c | 31 +++++++++++++++++++++++++++++++ include/drm/drm_mipi_dsi.h | 2 ++ 2 files changed, 33 insertions(+) diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 8d0a866cf1e0..b7ad18c148c2 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -1339,6 +1339,9 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format); * @dsi: DSI peripheral device * @scanline: scanline to use as trigger * + * This function is deprecated. Use mipi_dsi_dcs_set_tear_scanline_multi() + * instead. + * * Return: 0 on success or a negative error code on failure */ int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanli= ne) @@ -1833,6 +1836,34 @@ void mipi_dsi_dcs_set_page_address_multi(struct mipi= _dsi_multi_context *ctx, } EXPORT_SYMBOL(mipi_dsi_dcs_set_page_address_multi); =20 +/** + * mipi_dsi_dcs_set_tear_scanline_multi() - set the scanline to use as tri= gger for + * the Tearing Effect output signal of the display module + * @ctx: Context for multiple DSI transactions + * @scanline: scanline to use as trigger + * + * Like mipi_dsi_dcs_set_tear_scanline() but deals with errors in a way th= at + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *c= tx, + u16 scanline) +{ + struct mipi_dsi_device *dsi =3D ctx->dsi; + struct device *dev =3D &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret =3D mipi_dsi_dcs_set_tear_scanline(dsi, scanline); + if (ret < 0) { + ctx->accum_err =3D ret; + dev_err(dev, "Failed to set tear scanline: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline_multi); + static int mipi_dsi_drv_probe(struct device *dev) { struct mipi_dsi_driver *drv =3D to_mipi_dsi_driver(dev->driver); diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 602be6ce081a..c823cc13ad1f 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -375,6 +375,8 @@ void mipi_dsi_dcs_set_column_address_multi(struct mipi_= dsi_multi_context *ctx, u16 start, u16 end); void mipi_dsi_dcs_set_page_address_multi(struct mipi_dsi_multi_context *ct= x, u16 start, u16 end); +void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *c= tx, + u16 scanline); =20 /** * mipi_dsi_generic_write_seq - transmit data using a generic write packet --=20 2.46.0