From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7683D19AD8C; Thu, 6 Jun 2024 14:15:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717683352; cv=none; b=FkDEYnfL9uY0bHkG13CB7cMhx9edxio2LBL6Jxfa1VzX/KKc4vOsLp4TwcPZU3N9vsraC48sy5jrpTsqKRoLZeoKaJ5YriOUgM2TzMvUamma9gO7r0Q2sCzZeMdITGxHmi/iOZdBU/bje5/Q5LZz0Z1rS7IDLxuxaPPKdi6TXbI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717683352; c=relaxed/simple; bh=KY1bkwIz5fc0eT08gFmEjfixGnH+OsFa1AXdgaRDCPc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ui3D3xWcASRxeF1zVWvT/6GI/kb0g+P1M+T02U+6MiYh/T8hn0cIasqHPPQIXdkORlJdVKUV3shIT2KDcmgP18+dtfYGBI9worvK/uYssL70uLfwS5cOn0wGrvY+/7xI9e1X+g1PIuCOPur66QqioEveil0EE5p1xOKMbUw3DSk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=NILJGsN6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="NILJGsN6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54F9EC2BD10; Thu, 6 Jun 2024 14:15:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1717683352; bh=KY1bkwIz5fc0eT08gFmEjfixGnH+OsFa1AXdgaRDCPc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NILJGsN6X57Q4uavFsTyDZPz01pYEx2qIhiih3QgNE4EanoJjtRYsUh1fgw4PU60Z VQgTHrR0v8UTgn0f5rUSippn+5oD/rYPfkvYAvsbCAFpI3nxcmuBHGqD3OFdCC0Dqa c+aHq50+QOsXh4FjTjKP1n9Z6DC3NY5bMUB2f6qw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marijn Suijten , Jessica Zhang , Dmitry Baryshkov , Sasha Levin Subject: [PATCH 6.1 233/473] drm/mipi-dsi: use correct return type for the DSC functions Date: Thu, 6 Jun 2024 16:02:42 +0200 Message-ID: <20240606131707.543599402@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240606131659.786180261@linuxfoundation.org> References: <20240606131659.786180261@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dmitry Baryshkov [ Upstream commit de1c705c50326acaceaf1f02bc5bf6f267c572bd ] The functions mipi_dsi_compression_mode() and mipi_dsi_picture_parameter_set() return 0-or-error rather than a buffer size. Follow example of other similar MIPI DSI functions and use int return type instead of size_t. Fixes: f4dea1aaa9a1 ("drm/dsi: add helpers for DSI compression mode and PPS packets") Reviewed-by: Marijn Suijten Reviewed-by: Jessica Zhang Signed-off-by: Dmitry Baryshkov Link: https://patchwork.freedesktop.org/patch/msgid/20240408-lg-sw43408-panel-v5-2-4e092da22991@linaro.org Signed-off-by: Sasha Levin --- drivers/gpu/drm/drm_mipi_dsi.c | 6 +++--- include/drm/drm_mipi_dsi.h | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index ef7ec68867df0..112f213cc8d9b 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -653,7 +653,7 @@ EXPORT_SYMBOL(mipi_dsi_set_maximum_return_packet_size); * * Return: 0 on success or a negative error code on failure. */ -ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) +int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) { /* Note: Needs updating for non-default PPS or algorithm */ u8 tx[2] = { enable << 0, 0 }; @@ -678,8 +678,8 @@ EXPORT_SYMBOL(mipi_dsi_compression_mode); * * Return: 0 on success or a negative error code on failure. */ -ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, - const struct drm_dsc_picture_parameter_set *pps) +int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, + const struct drm_dsc_picture_parameter_set *pps) { struct mipi_dsi_msg msg = { .channel = dsi->channel, diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 31171914990a3..66a7e01c62608 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -244,9 +244,9 @@ int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi); int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi); int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi, u16 value); -ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable); -ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, - const struct drm_dsc_picture_parameter_set *pps); +int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable); +int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, + const struct drm_dsc_picture_parameter_set *pps); ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload, size_t size); -- 2.43.0