From patchwork Thu Aug 3 11:02:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13339786 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 5D398C04E69 for ; Thu, 3 Aug 2023 11:03:36 +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=9nrItwnn+CVV4MvSHp+8fHo3Y1i/ZqB0nhM/gt0fLEI=; b=JycbSDBHEo4FJu xWPyPWzh+a90raHHw5Jc91PHUMXNDjnMyfFXmxBpksXO54zUB0WjxOxMmxfTcD+QDCgS1VvGb49R6 k0F1PBZAwXG7RT3m6ZtqG237Pmvx1k1dQsclnkrjwu3V7R3sGSozi85w0ds3eqhxG6pXvY2PWL0JO MMwuCwkrC0SRBcNPb3xj9SULSwp1bzOCoyCh2/GGdwaB2xhoIa/MqXduVbDujZOT2aqOORhiIzjni jNlsKCa06kKtB5bR5L7LAct1RwJMmwfuOAqN4ZPYWTb3N/ZOhjlyVBKcw19vcVoE63rBg/f03cpmU Qd5Rk5QlwIkfJ8mBAf9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRW6e-007cHX-2w; Thu, 03 Aug 2023 11:03:01 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qRW6C-007boY-2I; Thu, 03 Aug 2023 11:02:35 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 208ED66071A3; Thu, 3 Aug 2023 12:02:27 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1691060547; bh=ozW4byw7zGTKaXL8BQX+fQ96tzc29duKFdiPZzdm3yo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C3gfGe/IZJORkDKC1SAjovki/4zP/YwX2c7qYeKxY/wsSpaFFtE4N36/CnSsQEd7c O1FRXDn0wJRKIEa78Kw9ZpnypykA8qz0oa5pfUmSnXc+kbnto+syVj7MQ1oB1AoiA1 SASjNvSlaiLjMCoRvkGasYM5buYhXnNO1ESfMbtFKz8dvId1+7IC3as6PMqsLv95+H +8QP91+OPxPKyLbB+asc+Ey6eS9dWmDUH0iDLmUTi+29TeGymHry4jmlwpLwu/zXmf iY9eL8ILqgGsF4DxgdA2jEo3Ly8SsPN42oIh4wLULGD2Rh9wkA5eqpIKCJq3HxHjB2 mhxUnrUDu3Yqw== From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, wenst@chromium.org, kernel@collabora.com, ehristev@collabora.com Subject: [PATCH v9 07/16] drm/mediatek: aal: Use bitfield macros Date: Thu, 3 Aug 2023 13:02:05 +0200 Message-ID: <20230803110214.163645-8-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230803110214.163645-1-angelogioacchino.delregno@collabora.com> References: <20230803110214.163645-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230803_040232_985960_B284078F X-CRM114-Status: GOOD ( 10.10 ) 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 Make the code more robust and improve readability by using bitfield macros instead of open coding bit operations. Signed-off-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_disp_aal.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_aal.c b/drivers/gpu/drm/mediatek/mtk_disp_aal.c index e2e4155faf01..05790b444e17 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_aal.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_aal.c @@ -18,6 +18,8 @@ #define DISP_AAL_EN 0x0000 #define AAL_EN BIT(0) #define DISP_AAL_SIZE 0x0030 +#define DISP_AAL_SIZE_HSIZE GENMASK(28, 16) +#define DISP_AAL_SIZE_VSIZE GENMASK(12, 0) #define DISP_AAL_OUTPUT_SIZE 0x04d8 #define DISP_AAL_LUT_SIZE 512 @@ -56,9 +58,13 @@ void mtk_aal_config(struct device *dev, unsigned int w, unsigned int bpc, struct cmdq_pkt *cmdq_pkt) { struct mtk_disp_aal *aal = dev_get_drvdata(dev); + u32 sz; - mtk_ddp_write(cmdq_pkt, w << 16 | h, &aal->cmdq_reg, aal->regs, DISP_AAL_SIZE); - mtk_ddp_write(cmdq_pkt, w << 16 | h, &aal->cmdq_reg, aal->regs, DISP_AAL_OUTPUT_SIZE); + sz = FIELD_PREP(DISP_GAMMA_SIZE_HSIZE, w); + sz |= FIELD_PREP(DISP_GAMMA_SIZE_VSIZE, h); + + mtk_ddp_write(cmdq_pkt, sz, &aal->cmdq_reg, aal->regs, DISP_AAL_SIZE); + mtk_ddp_write(cmdq_pkt, sz, &aal->cmdq_reg, aal->regs, DISP_AAL_OUTPUT_SIZE); } /**