From patchwork Tue Oct 17 06:47:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13424642 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 721A8CDB483 for ; Tue, 17 Oct 2023 06:48:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=a4Kw30tI99EYEkH2GZcKNn2QYp348ezxh02vlED+ues=; b=aEZVTglhyli0jy X4ThsPzC2Ecj2eKTT2DVOoNkfebQBykdOqClisnL0Y+mJ0R+efou9Di9eLO3U9oeAEjSg2NemqZWm N7zo/WDonnR5D7TYDUUaaXM36n5eYJEO0fjJYs0EDheeVaijBASXzfeyjPq9AtDw+UBwv0otZDvmU s+DOvbBrIycTUDWEzjOrMa0N9cMgGCtU+NtVDi2C4barI230uE0+byAuSxw8VA3dVOak3vuY/emfr lzSUN8lGkGSt8syQPZ9QrMLaZWCrIBiwbhi/gFFjN0z9Sfy5YS9iAex7FN9QEPNfuoxWnKwUTk3AT RLsAKsKOKG+IUysrBUqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qsds0-00BTO9-2M; Tue, 17 Oct 2023 06:48:00 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qsdrx-00BTMJ-2W; Tue, 17 Oct 2023 06:47:59 +0000 X-UUID: 195a5a3a6cb911ee86758d4a7c00f3a0-20231016 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=qLDvJRaObGr082wCAW6Drq7jAnuTss6flPcAJFYd2TU=; b=MI4RocpHH4fXDWrWbjPTvoO9sUo3zAwVZ10IvhGjzqj0gv0/91u57vu36m69fcS/zfOGWJyR02kcZKac4VzgO+KQFGczO/pa7hbPvY16JUfsCe//E4tjmtDcOOKE0aO3+NK1FNtrXc1F0qdOw1IvGeeERYC49hF+/NpKTmhfpgI=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:8440a40a-3ca3-4a31-80c5-b0e975c3659b,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:5f78ec9,CLOUDID:f7ec36c4-1e57-4345-9d31-31ad9818b39f,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File: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 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 195a5a3a6cb911ee86758d4a7c00f3a0-20231016 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1047526841; Mon, 16 Oct 2023 23:47:54 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 08/11] drm/mediatek: Support alpha blending in VDOSYS1 Date: Tue, 17 Oct 2023 14:47:14 +0800 Message-ID: <20231017064717.21616-9-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234757_823140_AC5BC95F X-CRM114-Status: GOOD ( 16.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Support premultiply and coverage alpha blending modes. Signed-off-by: Hsiao Chien Sung --- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 2 +- drivers/gpu/drm/mediatek/mtk_ethdr.c | 48 +++++++++++++++---- 2 files changed, 39 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 8de57a5f5518..b69ac90b2e65 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -156,7 +156,7 @@ void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, merge = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MERGE0 + idx]; ethdr = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]; - if (!pending->enable) { + if (!pending->enable || !pending->width || !pending->height) { mtk_merge_stop_cmdq(merge, cmdq_pkt); mtk_mdp_rdma_stop(rdma_l, cmdq_pkt); mtk_mdp_rdma_stop(rdma_r, cmdq_pkt); diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediatek/mtk_ethdr.c index 73dc4da3ba3b..648e14e85bd0 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -5,6 +5,7 @@ #include #include +#include #include #include #include @@ -35,6 +36,7 @@ #define MIX_SRC_L0_EN BIT(0) #define MIX_L_SRC_CON(n) (0x28 + 0x18 * (n)) #define NON_PREMULTI_SOURCE (2 << 12) +#define PREMULTI_SOURCE (3 << 12) #define MIX_L_SRC_SIZE(n) (0x30 + 0x18 * (n)) #define MIX_L_SRC_OFFSET(n) (0x34 + 0x18 * (n)) #define MIX_FUNC_DCM0 0x120 @@ -153,33 +155,59 @@ void mtk_ethdr_layer_config(struct device *dev, unsigned int idx, struct mtk_plane_pending_state *pending = &state->pending; unsigned int offset = (pending->x & 1) << 31 | pending->y << 16 | pending->x; unsigned int align_width = ALIGN_DOWN(pending->width, 2); - unsigned int alpha_con = 0; + unsigned int mix_con = NON_PREMULTI_SOURCE; + bool replace_src_a = false; + + union format { + u32 raw; + u8 str[5]; + } format; dev_dbg(dev, "%s+ idx:%d", __func__, idx); if (idx >= 4) return; - if (!pending->enable) { + if (!pending->enable || !pending->width || !pending->height) { + /* + * instead of disabling layer with MIX_SRC_CON directly + * set the size to 0 to avoid screen shift due to mode switch + */ mtk_ddp_write(cmdq_pkt, 0, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_SIZE(idx)); return; } - if (state->base.fb && state->base.fb->format->has_alpha) - alpha_con = MIXER_ALPHA_AEN | MIXER_ALPHA; + mix_con |= MIXER_ALPHA_AEN | (state->base.alpha & MIXER_ALPHA); + + if (state->base.pixel_blend_mode != DRM_MODE_BLEND_COVERAGE) + mix_con |= PREMULTI_SOURCE; + + if (state->base.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE || + (state->base.fb && !state->base.fb->format->has_alpha)) { + /* + * Mixer doesn't support CONST_BLD mode, + * use a trick to make the output equivalent + */ + replace_src_a = true; + } + + format.raw = pending->format; + + dev_dbg(dev, "L%d: %ux%u(%u,%u)%s: SCA=0x%x(%u), MIX=0x%x\n", idx, + pending->width, pending->height, pending->x, pending->y, + format.str, (state->base.alpha & MIXER_ALPHA), + state->base.pixel_blend_mode, mix_con); - mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, alpha_con ? false : true, - DEFAULT_9BIT_ALPHA, + mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, replace_src_a, MIXER_ALPHA, pending->x & 1 ? MIXER_INX_MODE_EVEN_EXTEND : MIXER_INX_MODE_BYPASS, align_width / 2 - 1, cmdq_pkt); mtk_ddp_write(cmdq_pkt, pending->height << 16 | align_width, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_SIZE(idx)); mtk_ddp_write(cmdq_pkt, offset, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_OFFSET(idx)); - mtk_ddp_write_mask(cmdq_pkt, alpha_con, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_CON(idx), - 0x1ff); - mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &mixer->cmdq_base, mixer->regs, MIX_SRC_CON, - BIT(idx)); + mtk_ddp_write(cmdq_pkt, mix_con, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_CON(idx)); + mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &mixer->cmdq_base, mixer->regs, + MIX_SRC_CON, BIT(idx)); } void mtk_ethdr_config(struct device *dev, unsigned int w,