From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 1D358C433E1 for ; Mon, 24 Aug 2020 06:49:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFB322071E for ; Mon, 24 Aug 2020 06:49:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598251790; bh=MoR5l415tOqXO7qDvbGK3qkYCXTWIk9BbyxnSBH+NOA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=iGJXD9fM5fZa6dEy9nFChi2BSU3lsKGEKUxiP4PTeqw/+2DBs0K7zX6hwra7pMuzn wCSjBA8GJ+LIiW+NtfLaC4c+iD84IsAMATbkup5DKySVC3+d8vEINSMRu6Z5Eyp/SY aFJndz3MAaE9leLjB3HGeGOZ3n/JZB1KcYQTPV1c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726119AbgHXGtn (ORCPT ); Mon, 24 Aug 2020 02:49:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:40096 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbgHXGtm (ORCPT ); Mon, 24 Aug 2020 02:49:42 -0400 Received: from coco.lan (unknown [95.90.213.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB28A2067C; Mon, 24 Aug 2020 06:49:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598251781; bh=MoR5l415tOqXO7qDvbGK3qkYCXTWIk9BbyxnSBH+NOA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=d8Fa9jnF4RxQAHQUfTQiJnd1/Cv3peOrzUsQ+uvrMSfO9dxpXk5FFmL8qQR+62r2d /5Z+CzrXnWZx+hAETh664fBPlISrF9QHDL0J3KIvyrE+0W2sam4bZO9CkasBh6uuiy Lifm+3q0OlCTMYdbS1UXGwLbhr7/E/XclY5RLP1s= Date: Mon, 24 Aug 2020 08:49:30 +0200 From: Mauro Carvalho Chehab To: John Stultz Cc: Greg Kroah-Hartman , linuxarm@huawei.com, mauro.chehab@huawei.com, Manivannan Sadhasivam , Daniel Vetter , dri-devel , Bogdan Togorean , Liwei Cai , linux-arm-kernel , Daniel Borkmann , Rob Herring , "David S. Miller" , Xinliang Liu , Neil Armstrong , Wanchun Zheng , driverdevel , BPF Mailing List , linux-media , Tomi Valkeinen , Jesper Dangaard Brouer , Laurent Pinchart , Xinwei Kong , Alexei Starovoitov , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Rob Clark , Laurentiu Palcu , Andrzej Hajda , John Fastabend , Liuyao An , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Wei Xu , Rongrong Zou , Philipp Zabel , Sam Ravnborg , Network Development , Sumit Semwal , lkml , Jakub Kicinski , David Airlie , Chen Feng Subject: Re: [PATCH 00/49] DRM driver for Hikey 970 Message-ID: <20200824084853.10560ed1@coco.lan> In-Reply-To: References: X-Mailer: Claws Mail 3.17.6 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, Em Wed, 19 Aug 2020 20:28:44 -0700 John Stultz escreveu: > That said even with the patches I've got on top of your series, I > still see a few issues: > 1) I'm seeing red-blue swap with your driver. I need to dig a bit to > see what the difference is, I know gralloc has a config option for > this, and maybe the version of the driver I'm carrying has it wrong? Maybe it is due to this: drivers/staging/hikey9xx/gpu/kirin9xx_drm_overlay_utils.c: hal_fmt = HISI_FB_PIXEL_FORMAT_BGRA_8888;/* dss_get_format(fb->pixel_format); */ It sounds to me that someone added a hack hardcoding BGRA_8888 over there. Btw, I removed the hack, with: diff --git a/drivers/staging/hikey9xx/gpu/kirin9xx_drm_overlay_utils.c b/drivers/staging/hikey9xx/gpu/kirin9xx_drm_overlay_utils.c index a68db1a27bbf..ba64aae371e4 100644 --- a/drivers/staging/hikey9xx/gpu/kirin9xx_drm_overlay_utils.c +++ b/drivers/staging/hikey9xx/gpu/kirin9xx_drm_overlay_utils.c @@ -857,7 +857,7 @@ void hisi_fb_pan_display(struct drm_plane *plane) rect.right = src_w - 1; rect.top = 0; rect.bottom = src_h - 1; - hal_fmt = HISI_FB_PIXEL_FORMAT_BGRA_8888;/* dss_get_format(fb->pixel_format); */ + hal_fmt = dss_get_format(fb->format->format); DRM_DEBUG_DRIVER("channel%d: src:(%d,%d, %dx%d) crtc:(%d,%d, %dx%d), rect(%d,%d,%d,%d),fb:%dx%d, pixel_format=%d, stride=%d, paddr=0x%x, bpp=%d.\n", chn_idx, src_x, src_y, src_w, src_h, And now red and blue are swapped on my HDMI screen too. I'll compare this part with your version, but I guess the bug is on this logic. Thanks, Mauro