From patchwork Mon Feb 24 09:06:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 11400027 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1736E109A for ; Mon, 24 Feb 2020 09:41:19 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E93422082E for ; Mon, 24 Feb 2020 09:41:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=cerno.tech header.i=@cerno.tech header.b="gA8q8QDv"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="Oy4IsHXt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E93422082E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=cerno.tech Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 195D26E369; Mon, 24 Feb 2020 09:39:44 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from wnew3-smtp.messagingengine.com (wnew3-smtp.messagingengine.com [64.147.123.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 50DDA6E220 for ; Mon, 24 Feb 2020 09:09:44 +0000 (UTC) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.west.internal (Postfix) with ESMTP id 54090616; Mon, 24 Feb 2020 04:09:43 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Mon, 24 Feb 2020 04:09:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=x6EiQ/3Kh9/Dc ewSo4uUKE9sdgK8FyyTne2GvDeYpZw=; b=gA8q8QDvUXwCCce0Ul3XjIF7gfMVs xSnev/PCxs8pLULTphFYtLzPxVAEESxnU4qE33GLje0LsqGkuJD8RAOf+M8PNhk0 w9bPlnw+UiD3744vMp1QJvF6T22V6QW9oLw2BuCmS3KgphU0ZTM0+BLZmsb6JXNX Q6FVv9WyqMu4nZUUFDJD6Xfrhow0oQf7gOKBKwHH39kK5LBM5Bk90+xLafE11vBl PaSEw/T1bL5N9gJSR4sJ2u0wks32eRIXP1Wau8LBOftRB3RqlrRxlJBTEhaZJB0Y bhj4HiJousejUF25yKeZLnXKYYb1IqUGYq/IeMKAS+cm5lz5usHALkhgQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=x6EiQ/3Kh9/DcewSo4uUKE9sdgK8FyyTne2GvDeYpZw=; b=Oy4IsHXt ftsnzRiwQL9J18o9I35EpClCV5mAJJ9ZZ1z7hNGIXRVBZ1H+06ok4hv6/IjW4eHk aAPbFIIi/t/aEShEc8+NcFWm1yhOPuQX5DvvqhnPgdh7qyvZvFfbNB6cSNQS/pFJ LNTQxnUS593RoV5MENWGilmp7LSSwFxPv5vR5GDzgcqIBx0bV09Wn3GoxMqs7X+R nk31OXP0MWD8whuClboSRrbl0HFt5om2vXjHhoYt2OZGxAQi7kCudiDMAqq4S5hK xHl+WBqZ2HDcI04nvV4DLsSs2lmOkqx4CAGqqzF5E0pH1wTk0NOscB8T3WfSZRhm XcQ5aI/DBZ8SiA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrledtucetufdoteggodetrfdotffvucfrrh hofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgenuceurghi lhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurh ephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhmvgcutfhi phgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecukfhppeeltddrkeelrd eikedrjeeinecuvehluhhsthgvrhfuihiivgepfedunecurfgrrhgrmhepmhgrihhlfhhr ohhmpehmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Received: from localhost (lfbn-tou-1-1502-76.w90-89.abo.wanadoo.fr [90.89.68.76]) by mail.messagingengine.com (Postfix) with ESMTPA id 9450F3060BD1; Mon, 24 Feb 2020 04:09:42 -0500 (EST) From: Maxime Ripard To: Nicolas Saenz Julienne , Eric Anholt Subject: [PATCH 37/89] drm/vc4: plane: Improve LBM usage Date: Mon, 24 Feb 2020 10:06:39 +0100 Message-Id: <155fc1ae0b330e1bb9292340096b306dfd6b6c4b.1582533919.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.24.1 In-Reply-To: References: MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 24 Feb 2020 09:39:03 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tim Gover , Dave Stevenson , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Dave Stevenson LBM allocations were always taking the worst case sizing of max(src_width, dst_width) * 16. This is significantly over the required sizing, and stops us rendering multiple 4k images to the screen. Add some of the additional constraints to more accurately describe the LBM requirements. Signed-off-by: Dave Stevenson Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_plane.c | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 0b8309247dec..26e96b15e9b4 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -142,9 +142,10 @@ static const struct hvs_format *vc4_get_hvs_format(u32 drm_format) return NULL; } -static enum vc4_scaling_mode vc4_get_scaling_mode(u32 src, u32 dst) +static enum vc4_scaling_mode vc4_get_scaling_mode(u32 src, u32 dst, + bool chroma_vrep) { - if (dst == src) + if (dst == src && !chroma_vrep) return VC4_SCALING_NONE; if (3 * dst >= 2 * src) return VC4_SCALING_PPF; @@ -369,9 +370,11 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state) return ret; vc4_state->x_scaling[0] = vc4_get_scaling_mode(vc4_state->src_w[0], - vc4_state->crtc_w); + vc4_state->crtc_w, + false); vc4_state->y_scaling[0] = vc4_get_scaling_mode(vc4_state->src_h[0], - vc4_state->crtc_h); + vc4_state->crtc_h, + false); vc4_state->is_unity = (vc4_state->x_scaling[0] == VC4_SCALING_NONE && vc4_state->y_scaling[0] == VC4_SCALING_NONE); @@ -384,10 +387,12 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state) vc4_state->x_scaling[1] = vc4_get_scaling_mode(vc4_state->src_w[1], - vc4_state->crtc_w); + vc4_state->crtc_w, + v_subsample == 2); vc4_state->y_scaling[1] = vc4_get_scaling_mode(vc4_state->src_h[1], - vc4_state->crtc_h); + vc4_state->crtc_h, + v_subsample == 2); /* YUV conversion requires that horizontal scaling be enabled * on the UV plane even if vc4_get_scaling_mode() returned @@ -437,10 +442,7 @@ static void vc4_write_ppf(struct vc4_plane_state *vc4_state, u32 src, u32 dst) static u32 vc4_lbm_size(struct drm_plane_state *state) { struct vc4_plane_state *vc4_state = to_vc4_plane_state(state); - /* This is the worst case number. One of the two sizes will - * be used depending on the scaling configuration. - */ - u32 pix_per_line = max(vc4_state->src_w[0], (u32)vc4_state->crtc_w); + u32 pix_per_line; u32 lbm; /* LBM is not needed when there's no vertical scaling. */ @@ -448,6 +450,11 @@ static u32 vc4_lbm_size(struct drm_plane_state *state) vc4_state->y_scaling[1] == VC4_SCALING_NONE) return 0; + if (vc4_state->x_scaling[0] == VC4_SCALING_TPZ) + pix_per_line = vc4_state->crtc_w; + else + pix_per_line = vc4_state->src_w[0]; + if (!vc4_state->is_yuv) { if (vc4_state->y_scaling[0] == VC4_SCALING_TPZ) lbm = pix_per_line * 8; @@ -583,7 +590,9 @@ static int vc4_plane_allocate_lbm(struct drm_plane_state *state) spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags); ret = drm_mm_insert_node_generic(&vc4->hvs->lbm_mm, &vc4_state->lbm, - lbm_size, 32, 0, 0); + lbm_size, + vc4->hvs->hvs5 ? 64 : 32, + 0, 0); spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags); if (ret)