From patchwork Mon Nov 18 02:51:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SmFzb24tSkggTGluICjmnpfnnb/npaUp?= X-Patchwork-Id: 13878043 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C1033D10F41 for ; Mon, 18 Nov 2024 02:52:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: MIME-Version:Message-ID:Date:Subject:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=ki8fJJIWNxnS2xxoAMPYMHgwxzquLA7ElLASLJuZBXc=; b=ZOj 6jtAyjbCW7e8z1g6YMEXtK5LP+kPdM8Nh1GQC9O52ezKPWRQZSeeNzupfm7CTqi0nELqwVKpTForb 1y+MQ7KHhQebZsdAZzpKyB+o50SMZR0lu/NBAPINuz/XGDcygVY0aeUkcphQEgY3UpuAkGIubsvLh TNS0AUeeC9jDZ0oUw/4ofDa3b5K8IiiKhCv8H7/KukGG3LwmL12x0diUBqeOLaIPXRHIz/bh+XxXx tXX16ZtUw0o0R6efzs4onZlgz338xsGqKFif7HI7nyzkGLnV5r0VmrXcz1XPQsr3a7iOnDSsaLSJ/ H2HuEVUsU1OfotC1sZn2rBxyA20MK2A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tCrsQ-00000008BSg-1jfi; Mon, 18 Nov 2024 02:52:34 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tCrrU-00000008BMB-11gM; Mon, 18 Nov 2024 02:51:37 +0000 X-UUID: 03157042a55811ef82ff63e91e7eb18c-20241117 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=ki8fJJIWNxnS2xxoAMPYMHgwxzquLA7ElLASLJuZBXc=; b=dvlQInZcazLi3AaBZzogLFrk/8PVdzy7o7E2zplx3ib1p5drm5PIBQY1QskMnsUB3BT8JZg23NWmphjhDbN/Y/p6AMMz3M0mFL/nTzDyhcRUb8kkjGmuGo/0xQqDJN5fX/l3wjUPkOPm/jdebe6GAt+uaYtBdnKiUIrGf0zIDvc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.43,REQID:65358b03-dd6b-4c34-9f60-cfb4fea45679,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:ce19b8a,CLOUDID:3947ca5c-f18b-4d56-b49c-93279ee09144,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 03157042a55811ef82ff63e91e7eb18c-20241117 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 642475642; Sun, 17 Nov 2024 19:51:29 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 18 Nov 2024 10:51:27 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 18 Nov 2024 10:51:27 +0800 From: Jason-JH.Lin To: Chun-Kuang Hu Subject: [PATCH] drm/mediatek: Add support for 180-degree rotation in the display driver Date: Mon, 18 Nov 2024 10:51:26 +0800 Message-ID: <20241118025126.30808-1-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241117_185136_291321_3DA2C1AF X-CRM114-Status: GOOD ( 14.92 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Jason-JH . Lin" , Singo Chang , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Project_Global_Chrome_Upstream_Group@mediatek.com, Nancy Lin , linux-mediatek@lists.infradead.org, Shawn Sung , linux-arm-kernel@lists.infradead.org, AngeloGioacchino Del Regno Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org mediatek-drm driver reported the capability of 180-degree rotation by adding `DRM_MODE_ROTATE_180` to the plane property, as flip-x combined with flip-y equals a 180-degree rotation. However, we did not handle the rotation property in the driver and lead to rotation issues. Fixes: 74608d8feefd ("drm/mediatek: Add DRM_MODE_ROTATE_0 to rotation property") Signed-off-by: Jason-JH.Lin Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index e0c0bb01f65a..cc825c4f2e09 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -472,6 +472,7 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, unsigned int hdr_pitch = pending->hdr_pitch; unsigned int fmt = pending->format; unsigned int offset = (pending->y << 16) | pending->x; + unsigned int rotation = pending->rotation; unsigned int src_size = (pending->height << 16) | pending->width; unsigned int blend_mode = state->base.pixel_blend_mode; unsigned int ignore_pixel_alpha = 0; @@ -513,12 +514,19 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, ignore_pixel_alpha = OVL_CONST_BLEND; } - if (pending->rotation & DRM_MODE_REFLECT_Y) { + /* + * Treat rotate 180 as flip x + flip y, and XOR the original rotation value + * to flip x + flip y to support both in the same time. + */ + if (rotation & DRM_MODE_ROTATE_180) + rotation ^= DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y; + + if (rotation & DRM_MODE_REFLECT_Y) { con |= OVL_CON_VIRT_FLIP; addr += (pending->height - 1) * pending->pitch; } - if (pending->rotation & DRM_MODE_REFLECT_X) { + if (rotation & DRM_MODE_REFLECT_X) { con |= OVL_CON_HORZ_FLIP; addr += pending->pitch - 1; }