From patchwork Fri Nov 23 09:24:34 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 10695283 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 971C91709 for ; Fri, 23 Nov 2018 09:26:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 884282C3D8 for ; Fri, 23 Nov 2018 09:26:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7C1A02C419; Fri, 23 Nov 2018 09:26:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 356D62C3D8 for ; Fri, 23 Nov 2018 09:26:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 348386E5CF; Fri, 23 Nov 2018 09:26:41 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.bootlin.com (mail.bootlin.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A4926E59D for ; Fri, 23 Nov 2018 09:26:39 +0000 (UTC) Received: by mail.bootlin.com (Postfix, from userid 110) id 34AA820F84; Fri, 23 Nov 2018 10:26:38 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-94-205.w90-88.abo.wanadoo.fr [90.88.35.205]) by mail.bootlin.com (Postfix) with ESMTPSA id D41F9207B0; Fri, 23 Nov 2018 10:26:27 +0100 (CET) From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 02/43] drm/sun4i: frontend: Replace ARGB with XRGB as supported format Date: Fri, 23 Nov 2018 10:24:34 +0100 Message-Id: <20181123092515.2511-3-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> References: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Ripard , linux-sunxi@googlegroups.com, Paul Kocialkowski , David Airlie , Chen-Yu Tsai , Thomas Petazzoni , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The frontend documentation (for the A33) mentions that ARGB is supported as output, but with the alpha component always set to 0xff. In practice, this means that the alpha component cannot be preserved when going through the frontend. Since the information is lost, ARGB is not properly supported. As a result, expose the matching format supported by the frontend (both for input and output) as XRGB instead of ARGB. Since ARGB was the selected format for connecting the frontend to the backend, change it to XRGB to reflect this as well. The A31 and A80 SoCs apparently have a bit to enable proper alpha, but this is not supported at this point (see the comment already in the code). Signed-off-by: Paul Kocialkowski --- drivers/gpu/drm/sun4i/sun4i_frontend.c | 3 +-- drivers/gpu/drm/sun4i/sun4i_layer.c | 4 ++-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index ddf6cfa6dd23..3ea925584891 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -107,7 +107,7 @@ EXPORT_SYMBOL(sun4i_frontend_update_buffer); static int sun4i_frontend_drm_format_to_input_fmt(uint32_t fmt, u32 *val) { switch (fmt) { - case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XRGB8888: *val = 5; return 0; @@ -120,7 +120,6 @@ static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val) { switch (fmt) { case DRM_FORMAT_XRGB8888: - case DRM_FORMAT_ARGB8888: *val = 2; return 0; diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c index e0e37c2f1721..50bb16566f03 100644 --- a/drivers/gpu/drm/sun4i/sun4i_layer.c +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c @@ -99,9 +99,9 @@ static void sun4i_backend_layer_atomic_update(struct drm_plane *plane, sun4i_frontend_update_coord(frontend, plane); sun4i_frontend_update_buffer(frontend, plane); sun4i_frontend_update_formats(frontend, plane, - DRM_FORMAT_ARGB8888); + DRM_FORMAT_XRGB8888); sun4i_backend_update_layer_frontend(backend, layer->id, - DRM_FORMAT_ARGB8888); + DRM_FORMAT_XRGB8888); sun4i_frontend_enable(frontend); } else { sun4i_backend_update_layer_formats(backend, layer->id, plane);