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 B011414533A; Thu, 13 Jun 2024 12:16:49 +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=1718281009; cv=none; b=cA45nJpyVl4/sVTcNoNLjyTg0Lr8ONV+TQltpqocX+765m5jw5PDLVT4Q140o4QbX1Jf0kn+VNxOP+BPsGQ1Em4uFzsBU8tgnb8Tf3r3hM7FS37rUoGx+abxMGXfGVl/7/hH1NjdSi32vrrjFwRlG9N6T22iaDCH4mPqGKWEurg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718281009; c=relaxed/simple; bh=tIUNik9dWiD8zd4+Fpia6KU4ItvI2ybhospzXOZKgTM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LSSDskyT85vaM5WsOnYJm/962K2rPrHkYvf0KpS3XDgxV7TYNZqyy1lT4SGi3UhzYdMk1ebgLSnGikUO6DEiQbzSLdsjY+WQqO0GxJ5IsmmBduXfTlQyE4zo6ghI2/BPvqoBAcG4dIeod5P/4IwbfRcAvjtVSBEIIIcpEEyqr08= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=1KRqqOsY; 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="1KRqqOsY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36F16C32786; Thu, 13 Jun 2024 12:16:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1718281009; bh=tIUNik9dWiD8zd4+Fpia6KU4ItvI2ybhospzXOZKgTM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1KRqqOsYJa/AeSBTuBA58j5w7GezKbANeQ927I6zErihzIV8SZ0hFDpM0FjkvnA+B LhpjRpaJtB7YvmdQqR+lUUmJKs1avo9QJeMattZmxVXZpXB5GGRdYv75OXu2VPzUDT hebffJkvvhZfs862MvJHUKhrVUA+TbGnYh54Kgwo= 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 5.10 110/317] drm/mipi-dsi: use correct return type for the DSC functions Date: Thu, 13 Jun 2024 13:32:08 +0200 Message-ID: <20240613113251.805565748@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240613113247.525431100@linuxfoundation.org> References: <20240613113247.525431100@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 5.10-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 83918ac1f6086..1e9842aac4dc9 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -572,7 +572,7 @@ 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 }; @@ -597,8 +597,8 @@ 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 3c0d1495c062d..0dbed65c0ca5a 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -231,9 +231,9 @@ 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