From patchwork Wed Sep 20 10:31:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 13392512 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 72C44CE79C3 for ; Wed, 20 Sep 2023 10:32:10 +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=9MgN0k1AdKm7AP2BMK7dYCa1h2F0jJe44bCIXT+r4K4=; b=OlDwSqz53k1rqH oOPRKykA32RhJIvbNoZ6M5Pt6Z4PSqpGpvDpVp1AcPjmW77tbgQN6uoeA7O/S36NC0lL2E/6ZXXY5 CRWmg4pi7KT3ju3NNc/QrPvC+D+lQOa9y+lSu6/a463zQMFt6okVVjPEtohod5+L/ZW+t5pNwKokZ knoe4p0p3JFO2axy7DTcJ65sNd+81yg9soTSbmkWbJRtXUOxCnNFlDP/W3a0AL983J3LIkxnSC74/ Wc2lIdGn+epe3iK3tUWn6ahRMw1/WsrzDoDkhCgqCHukCEr65QKIyxhjn72/8sc9AcvMYSWTk3zPh WTRHxN9bApro9uHUi6xg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qiuUo-002cLN-0y; Wed, 20 Sep 2023 10:31:50 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qiuUY-002c8x-0s for linux-arm-kernel@lists.infradead.org; Wed, 20 Sep 2023 10:31:37 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qiuUR-0003mS-Pu; Wed, 20 Sep 2023 12:31:27 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1qiuUR-007fJ0-94; Wed, 20 Sep 2023 12:31:27 +0200 From: Lucas Stach To: Marek Vasut , Liu Ying Cc: Pengutronix Kernel Team , NXP Linux Team , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, patchwork-lst@pengutronix.de Subject: [PATCH 3/5] drm: lcdif: remove superfluous setup of framebuffer DMA address Date: Wed, 20 Sep 2023 12:31:24 +0200 Message-Id: <20230920103126.2759601-4-l.stach@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230920103126.2759601-1-l.stach@pengutronix.de> References: <20230920103126.2759601-1-l.stach@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230920_033134_322663_53BE5FAD X-CRM114-Status: GOOD ( 10.86 ) 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 Now that the plane state is fully programmed into the hardware before the scanout is started there is no need to program the plane framebuffer DMA address from the CRTC atomic_enable anymore. Signed-off-by: Lucas Stach Reviewed-by: Marek Vasut --- drivers/gpu/drm/mxsfb/lcdif_kms.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/gpu/drm/mxsfb/lcdif_kms.c b/drivers/gpu/drm/mxsfb/lcdif_kms.c index 4acf6914a8d1..33a082366b25 100644 --- a/drivers/gpu/drm/mxsfb/lcdif_kms.c +++ b/drivers/gpu/drm/mxsfb/lcdif_kms.c @@ -541,7 +541,6 @@ static void lcdif_crtc_atomic_enable(struct drm_crtc *crtc, crtc->primary); struct drm_display_mode *m = &lcdif->crtc.state->adjusted_mode; struct drm_device *drm = lcdif->drm; - dma_addr_t paddr; clk_set_rate(lcdif->clk, m->crtc_clock * 1000); @@ -549,15 +548,6 @@ static void lcdif_crtc_atomic_enable(struct drm_crtc *crtc, lcdif_crtc_mode_set_nofb(new_cstate, new_pstate); - /* Write cur_buf as well to avoid an initial corrupt frame */ - paddr = drm_fb_dma_get_gem_addr(new_pstate->fb, new_pstate, 0); - if (paddr) { - writel(lower_32_bits(paddr), - lcdif->base + LCDC_V8_CTRLDESCL_LOW0_4); - writel(CTRLDESCL_HIGH0_4_ADDR_HIGH(upper_32_bits(paddr)), - lcdif->base + LCDC_V8_CTRLDESCL_HIGH0_4); - } - drm_crtc_vblank_on(crtc); }