From patchwork Wed Jun 19 17:27:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsiao Chien Sung via B4 Relay X-Patchwork-Id: 13704324 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 46A1BC27C53 for ; Wed, 19 Jun 2024 17:27:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sLmu4xbezZFoDGEuiAhUxq5freN3rb4G/JW5PpYqdiM=; b=eRvBnDWMqY5sOWN4/pm8NPSow7 f9WOOc9WmUjVBL+34fHM45z3u88fzcs3+9QGrWhqK7T2U0cqO12YCAPE7HaK3WxNzy4SWd2MrvAVz mfz3DkSInAIvK5ZNpXvCUhYEvqb+V+Yj8JNrqYaFlnUN7XlPru6yQ6R7NqAJRyhrA//AiZZCoLfrZ YS1YxRNb5JKL3WVDWkkmP5fMTTuq7RD9rzhLYD2RmMtKe3tUwKW81fyP2SxosbvXc9SlHOyOxpOwb yeDhuz3NhhMnKesZxIWeeqQUzAJAOrlKkrjJqeti+Ob70DfVHSap/mSS9XNxrQ3vJ+p1lOLO1yPzt K21+9DmQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJz5j-00000002D6M-2MGU; Wed, 19 Jun 2024 17:27:27 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJz5V-00000002CwL-1ZfY; Wed, 19 Jun 2024 17:27:15 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 8CF3061F13; Wed, 19 Jun 2024 17:27:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 33453C4AF07; Wed, 19 Jun 2024 17:27:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718818032; bh=ETsnlL8B7SX5GDU+JpS9dzXyLldBHM/ahdNPF8Smk6o=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=E2/PTasXCBWk9IAIfsSs/M2PYBon5dLDwCeslZDAyfVnt+g2aKt9xRS9haB20xnEQ azRyjtdZ5SURnoDWtyVmRgAHKI+bDYVi2IFHLO+EIEi8qYm6towYYnUaztlCDMRB+8 GaCNU9luqtNusqMs8bL17hAXsSCjwnOSXgpN26SdjdqD7bNtkLM/tuhty14vszZ7so D3Ukmz8eskxHe2IlJ8568H5JHn8yyDdVHCb7ubzHkeuDjlMZjopM7ISbyqo510rcD2 Ps2LN3COcdgy0+L5cyzd6xrlV3I/loDkWxRnmvmWqK1SyjKAUfAYaNiegOXXBVn8W7 XiH5M65MIi/Sg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E41AC2BB85; Wed, 19 Jun 2024 17:27:12 +0000 (UTC) From: Hsiao Chien Sung via B4 Relay Date: Thu, 20 Jun 2024 01:27:06 +0800 Subject: [PATCH 1/5] drm/mediatek: Support "None" blending in OVL MIME-Version: 1.0 Message-Id: <20240620-blend-v1-1-72670072ca20@mediatek.com> References: <20240620-blend-v1-0-72670072ca20@mediatek.com> In-Reply-To: <20240620-blend-v1-0-72670072ca20@mediatek.com> To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Hsiao Chien Sung , CK Hu X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1718818030; l=1454; i=shawn.sung@mediatek.com; s=20240616; h=from:subject:message-id; bh=rtWSUov4PpFb4hd8Tt3oJveJfjjyY029CEOcPjNOX6c=; b=KpJUZeS7WEff+MEihA4MdIy0tY9hjb36UjuTGYAVOGH4tGwjeZ7PvX9T2RQh9WvxFAcPEPxOE 4ztaAk9cHA2AwkAaKKCB54EtlLjv9UUQ3Whapw0cgfuK2rSBXYHc9Bl X-Developer-Key: i=shawn.sung@mediatek.com; a=ed25519; pk=lq1w8BuWDINX+4JHjGHhhbAU5ICP+cL9VCj7wn+cEDA= X-Endpoint-Received: by B4 Relay for shawn.sung@mediatek.com/20240616 with auth_id=172 X-Original-From: Hsiao Chien Sung X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240619_102713_878521_15146648 X-CRM114-Status: GOOD ( 11.87 ) 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: , Reply-To: shawn.sung@mediatek.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Hsiao Chien Sung Support "None" alpha blending mode on MediaTek's chips. Reviewed-by: CK Hu Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 4b370bc0746d..ad9228fc4dd9 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -439,6 +439,7 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, unsigned int fmt = pending->format; unsigned int offset = (pending->y << 16) | pending->x; unsigned int src_size = (pending->height << 16) | pending->width; + unsigned int blend_mode = state->base.pixel_blend_mode; unsigned int ignore_pixel_alpha = 0; unsigned int con; bool is_afbc = pending->modifier != DRM_FORMAT_MOD_LINEAR; @@ -468,7 +469,8 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, * For RGB888 related formats, whether CONST_BLD is enabled or not won't * affect the result. Therefore we use !has_alpha as the condition. */ - if (state->base.fb && !state->base.fb->format->has_alpha) + if ((state->base.fb && !state->base.fb->format->has_alpha) || + blend_mode == DRM_MODE_BLEND_PIXEL_NONE) ignore_pixel_alpha = OVL_CONST_BLEND; if (pending->rotation & DRM_MODE_REFLECT_Y) {