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 7A5641B1434; Thu, 6 Jun 2024 14:16:28 +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=1717683388; cv=none; b=ssBrYcRLEAT5F+0XHamU+rIno+rRNaBO18C6eOrC4Ynjpn0+XpU65cmWvQbSOSZ+9WsykwiXBd6/jQ8nH46IFY+NhJHlQtg/Nd9w03fKXto3hjaiTbuesVkvA81xVU/Z6U429od/Mcbco0fQlCdnUe/m2Yivddry+6uwoD4tZ/o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717683388; c=relaxed/simple; bh=dNh3OSp4ZA4zaddnhRBcG449HoSEgCwf4NK0Tju5Z5o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fUqWkeALU1PfPlX7luI3IapBE6MIxg5C0mP5+5KJJOJnbk3C8RiJW/orZjvOivxiIPV1j40vMwMcil0O4UUWPI12T4aU8K0zdWVg/PReZSz+TmGX5DMK3mC8RBuzOOW9Ts9ZxsSOyr25g+eFdFSexw0phRRVZa0uY4aNktTQz4M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=dznerViu; 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="dznerViu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58E7BC2BD10; Thu, 6 Jun 2024 14:16:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1717683388; bh=dNh3OSp4ZA4zaddnhRBcG449HoSEgCwf4NK0Tju5Z5o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dznerViuyS1ntfVx/Jsd0VxtwAWvpXa6s0/eGlkNx8SAndMeoPsZqxXJdjPtTqaFb wchhU/5v5gdPcgFhpzFSv35qY/d18gp2QnYES5oqoebOHB4pUBm4udMadXkUq/KA0Z npEWbX1R2CkA2KAtI52pyom0VXnczJFLNluYpa6A= 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 6.6 329/744] drm/mipi-dsi: use correct return type for the DSC functions Date: Thu, 6 Jun 2024 16:00:01 +0200 Message-ID: <20240606131742.990222839@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240606131732.440653204@linuxfoundation.org> References: <20240606131732.440653204@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 6.6-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 843a6dbda93a0..52a93149363b4 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -654,7 +654,7 @@ 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 }; @@ -679,8 +679,8 @@ 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 c0aec0d4d664e..3011d33eccbd2 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -241,9 +241,9 @@ 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