From patchwork Fri May 21 12:49:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 12273065 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE4DFC43460 for ; Fri, 21 May 2021 12:50:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABD86613E3 for ; Fri, 21 May 2021 12:50:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234282AbhEUMvh (ORCPT ); Fri, 21 May 2021 08:51:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:33524 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234471AbhEUMv1 (ORCPT ); Fri, 21 May 2021 08:51:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A5BEC613DD; Fri, 21 May 2021 12:49:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621601403; bh=Eo+Q/n/ObHKYPA8KdmfJSeka049NRwoo0j4Nc78qMAM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S7mAlvhails2QDce0UEUE5pSdbFrXQgTe0wQ0BT0JeYpvxalnkvc8GPXDKOsaeT+c 0LVAWUShmJWd7gu9H8fu/MFT3MQZEy8ko9/7KJ6CvS++2KJjvTfUydORnDBvc66Jak x+MaNuFzcT9p8NEp43E8t/Kdm1/l1cf134Knd64YT9ObRwZYSVfYi0LPuYY04qqrip qUsu9UpI21WpbglGBbYtldFWOGxOz1cskzFaQRJQLBMeuBl9voyIIB/rg4cFt+xzLE kmLgonDfx5cuWuC6xFxoF1B/rx7FzctL99/jwHCKxiukKicTFD30XtDJwoz1cIRokt XkqCKqEj+W+mQ== From: Vinod Koul To: Rob Clark Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vinod Koul , David Airlie , Daniel Vetter , Jonathan Marek , Dmitry Baryshkov , Abhinav Kumar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [RFC PATCH 01/13] drm/dsc: Add dsc pps header init function Date: Fri, 21 May 2021 18:19:30 +0530 Message-Id: <20210521124946.3617862-2-vkoul@kernel.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210521124946.3617862-1-vkoul@kernel.org> References: <20210521124946.3617862-1-vkoul@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org We required a helper to create and set the dsc_dce_header, so add the dsc_dce_header and API drm_dsc_dsi_pps_header_init Signed-off-by: Vinod Koul --- drivers/gpu/drm/drm_dsc.c | 11 +++++++++++ include/drm/drm_dsc.h | 16 ++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/gpu/drm/drm_dsc.c b/drivers/gpu/drm/drm_dsc.c index ff602f7ec65b..0c1b745090e2 100644 --- a/drivers/gpu/drm/drm_dsc.c +++ b/drivers/gpu/drm/drm_dsc.c @@ -49,6 +49,17 @@ void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header) } EXPORT_SYMBOL(drm_dsc_dp_pps_header_init); +void drm_dsc_dsi_pps_header_init(struct dsc_dce_header *dsc_header) +{ + memset(dsc_header, 0, sizeof(*dsc_header)); + + dsc_header->bp0 = 0x0A; + dsc_header->bp1 = 1; + dsc_header->bp4 = 10; + dsc_header->bp6 = 128; +} +EXPORT_SYMBOL(drm_dsc_dsi_pps_header_init); + /** * drm_dsc_dp_rc_buffer_size - get rc buffer size in bytes * @rc_buffer_block_size: block size code, according to DPCD offset 62h diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index bbe120f461e5..5a3bbeb3e12f 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -602,8 +602,24 @@ struct drm_dsc_pps_infoframe { struct drm_dsc_picture_parameter_set pps_payload; } __packed; +struct dsc_dce_header { + u8 bp0; + u8 bp1; + u8 bp2; + u8 bp3; + u8 bp4; + u8 bp5; + u8 bp6; +} __packed; + +struct drm_dsi_dsc_infoframe { + struct dsc_dce_header dsc_header; + struct drm_dsc_picture_parameter_set pps_payload; +} __packed; + void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header); int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size); +void drm_dsc_dsi_pps_header_init(struct dsc_dce_header *dsc_header); void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp, const struct drm_dsc_config *dsc_cfg); int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg);