From patchwork Wed May 3 16:28:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 9710155 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E442F60385 for ; Wed, 3 May 2017 16:28:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D5D3F26D08 for ; Wed, 3 May 2017 16:28:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CABA7284DA; Wed, 3 May 2017 16:28:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7DA2126D08 for ; Wed, 3 May 2017 16:28:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 838756E383; Wed, 3 May 2017 16:28:44 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id D6FA26E35D for ; Wed, 3 May 2017 16:28:39 +0000 (UTC) Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7] helo=dude.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.84_2) (envelope-from ) id 1d5x8o-0007Ox-3p; Wed, 03 May 2017 18:28:38 +0200 From: Lucas Stach To: Philipp Zabel Subject: [PATCH 1/4] gpu: ipu-v3: pre: add tiled prefetch support Date: Wed, 3 May 2017 18:28:34 +0200 Message-Id: <20170503162837.19747-2-l.stach@pengutronix.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170503162837.19747-1-l.stach@pengutronix.de> References: <20170503162837.19747-1-l.stach@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org Cc: kernel@pengutronix.de, dri-devel@lists.freedesktop.org, patchwork-lst@pengutronix.de X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This configures the TPR unit, using the DRM format modifier. For now only the single buffer modifiers are supported, as split buffer needs more configuration for the required cropping. Signed-off-by: Lucas Stach --- drivers/gpu/ipu-v3/ipu-pre.c | 24 ++++++++++++++++++++++-- drivers/gpu/ipu-v3/ipu-prg.c | 2 +- drivers/gpu/ipu-v3/ipu-prv.h | 4 ++-- 3 files changed, 25 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c index c55563379e2e..d895f92d8d33 100644 --- a/drivers/gpu/ipu-v3/ipu-pre.c +++ b/drivers/gpu/ipu-v3/ipu-pre.c @@ -49,6 +49,10 @@ #define IPU_PRE_TPR_CTRL 0x070 #define IPU_PRE_TPR_CTRL_TILE_FORMAT(v) ((v & 0xff) << 0) #define IPU_PRE_TPR_CTRL_TILE_FORMAT_MASK 0xff +#define IPU_PRE_TPR_CTRL_TILE_FORMAT_16_BIT (1 << 0) +#define IPU_PRE_TPR_CTRL_TILE_FORMAT_SPLIT_BUF (1 << 4) +#define IPU_PRE_TPR_CTRL_TILE_FORMAT_SINGLE_BUF (1 << 5) +#define IPU_PRE_TPR_CTRL_TILE_FORMAT_SUPER_TILED (1 << 6) #define IPU_PRE_PREFETCH_ENG_CTRL 0x080 #define IPU_PRE_PREF_ENG_CTRL_PREFETCH_EN (1 << 0) @@ -140,7 +144,7 @@ int ipu_pre_get(struct ipu_pre *pre) val = IPU_PRE_CTRL_HANDSHAKE_ABORT_SKIP_EN | IPU_PRE_CTRL_HANDSHAKE_EN | IPU_PRE_CTRL_TPR_REST_SEL | - IPU_PRE_CTRL_BLOCK_16 | IPU_PRE_CTRL_SDW_UPDATE; + IPU_PRE_CTRL_SDW_UPDATE; writel(val, pre->regs + IPU_PRE_CTRL); pre->in_use = true; @@ -161,7 +165,7 @@ void ipu_pre_put(struct ipu_pre *pre) void ipu_pre_configure(struct ipu_pre *pre, unsigned int width, unsigned int height, unsigned int stride, u32 format, - unsigned int bufaddr) + uint64_t modifier, unsigned int bufaddr) { const struct drm_format_info *info = drm_format_info(format); u32 active_bpp = info->cpp[0] >> 1; @@ -198,9 +202,25 @@ void ipu_pre_configure(struct ipu_pre *pre, unsigned int width, writel(pre->buffer_paddr, pre->regs + IPU_PRE_STORE_ENG_ADDR); + val = readl(pre->regs + IPU_PRE_TPR_CTRL); + val &= ~IPU_PRE_TPR_CTRL_TILE_FORMAT_MASK; + if (modifier != DRM_FORMAT_MOD_LINEAR) { + /* only support single buffer formats for now */ + val |= IPU_PRE_TPR_CTRL_TILE_FORMAT_SINGLE_BUF; + if (modifier == DRM_FORMAT_MOD_VIVANTE_SUPER_TILED) + val |= IPU_PRE_TPR_CTRL_TILE_FORMAT_SUPER_TILED; + if (info->cpp[0] == 2) + val |= IPU_PRE_TPR_CTRL_TILE_FORMAT_16_BIT; + } + writel(val, pre->regs + IPU_PRE_TPR_CTRL); + val = readl(pre->regs + IPU_PRE_CTRL); val |= IPU_PRE_CTRL_EN_REPEAT | IPU_PRE_CTRL_ENABLE | IPU_PRE_CTRL_SDW_UPDATE; + if (modifier == DRM_FORMAT_MOD_LINEAR) + val &= ~IPU_PRE_CTRL_BLOCK_EN; + else + val |= IPU_PRE_CTRL_BLOCK_EN; writel(val, pre->regs + IPU_PRE_CTRL); } diff --git a/drivers/gpu/ipu-v3/ipu-prg.c b/drivers/gpu/ipu-v3/ipu-prg.c index ecc9ea44dc50..454b1f1eb5df 100644 --- a/drivers/gpu/ipu-v3/ipu-prg.c +++ b/drivers/gpu/ipu-v3/ipu-prg.c @@ -295,7 +295,7 @@ int ipu_prg_channel_configure(struct ipuv3_channel *ipu_chan, return ret; ipu_pre_configure(prg->pres[chan->used_pre], - width, height, stride, format, *eba); + width, height, stride, format, 0, *eba); ret = clk_prepare_enable(prg->clk_ipg); diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h index ca2a223a0d1e..11be49de2eba 100644 --- a/drivers/gpu/ipu-v3/ipu-prv.h +++ b/drivers/gpu/ipu-v3/ipu-prv.h @@ -274,8 +274,8 @@ int ipu_pre_get(struct ipu_pre *pre); void ipu_pre_put(struct ipu_pre *pre); u32 ipu_pre_get_baddr(struct ipu_pre *pre); void ipu_pre_configure(struct ipu_pre *pre, unsigned int width, - unsigned int height, - unsigned int stride, u32 format, unsigned int bufaddr); + unsigned int height, unsigned int stride, u32 format, + uint64_t modifier, unsigned int bufaddr); void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr); struct ipu_prg *ipu_prg_lookup_by_phandle(struct device *dev, const char *name,