From patchwork Tue Nov 30 21:26:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H. Nikolaus Schaller" X-Patchwork-Id: 518288 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17EA0C433FE for ; Tue, 30 Nov 2021 21:27:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344095AbhK3Vai (ORCPT ); Tue, 30 Nov 2021 16:30:38 -0500 Received: from mo4-p02-ob.smtp.rzone.de ([81.169.146.171]:13224 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240677AbhK3Vae (ORCPT ); Tue, 30 Nov 2021 16:30:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1638307605; s=strato-dkim-0002; d=goldelico.com; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=CDnhZE/bCmY+sU+9kBR2+/QdGVAtCkJSkm9JjrgStzg=; b=NCSEkWN9HaOVsXPobfai+fw/8SmRUjwDkDlbvBOw+OtztMufldSrWCPdPfmdf5ZbTJ +mR21t2s9jafy8SeQY3ujJIwV6uYQIrA1mBg3rmLdvBgo+HaVx96jOIGX80JYEPY3yyX Ypautgj4maiVSTLbjV3t3CimqXjPFK14TWL+5z/DnrsHrc2dIOBxnl6QJcbnP5u0vVuX VRfWtp7QIzIzw+BAu6k9XcFR4NQGW7RlnLqknfyURXkGP+Sgw1rzdToVn9+OguA7V0nP U9QASlWILm3T9kKsKZPjNYtzRoMDOZfW0ZjY66wnWOwaIT7u01daYHcgRw1MAGE2sIs3 nRRQ== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o1KHeBQyh+ITDDJuCr4=" X-RZG-CLASS-ID: mo00 Received: from iMac.fritz.box by smtp.strato.de (RZmta 47.34.10 DYNA|AUTH) with ESMTPSA id e05ed8xAULQiTo6 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Tue, 30 Nov 2021 22:26:44 +0100 (CET) From: "H. Nikolaus Schaller" To: Paul Cercueil , Rob Herring , Mark Rutland , Thomas Bogendoerfer , "H. Nikolaus Schaller" , Geert Uytterhoeven , Kees Cook , "Eric W. Biederman" , Miquel Raynal , David Airlie , Daniel Vetter , Neil Armstrong , Robert Foss , Laurent Pinchart , Jernej Skrabec , Harry Wentland , Sam Ravnborg , Maxime Ripard , Hans Verkuil , Liam Girdwood , Mark Brown , Paul Boddie Cc: devicetree@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, Jonas Karlman , dri-devel@lists.freedesktop.org Subject: [PATCH v10 1/8] drm/ingenic: prepare ingenic drm for later addition of JZ4780 Date: Tue, 30 Nov 2021 22:26:34 +0100 Message-Id: X-Mailer: git-send-email 2.33.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This changes the way the regmap is allocated to prepare for the later addition of the JZ4780 which has more registers and bits than the others. Therefore we make the regmap as big as the reg property in the device tree tells. Suggested-by: Paul Cercueil Signed-off-by: H. Nikolaus Schaller --- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index 462bc0f35f1bf..0bb590c3910d9 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -173,7 +173,6 @@ static const struct regmap_config ingenic_drm_regmap_config = { .val_bits = 32, .reg_stride = 4, - .max_register = JZ_REG_LCD_SIZE1, .writeable_reg = ingenic_drm_writeable_reg, }; @@ -1011,6 +1010,8 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) struct ingenic_drm_bridge *ib; struct drm_device *drm; void __iomem *base; + struct resource *res; + struct regmap_config regmap_config; long parent_rate; unsigned int i, clone_mask = 0; int ret, irq; @@ -1056,14 +1057,16 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) drm->mode_config.funcs = &ingenic_drm_mode_config_funcs; drm->mode_config.helper_private = &ingenic_drm_mode_config_helpers; - base = devm_platform_ioremap_resource(pdev, 0); + base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(base)) { dev_err(dev, "Failed to get memory resource\n"); return PTR_ERR(base); } + regmap_config = ingenic_drm_regmap_config; + regmap_config.max_register = res->end - res->start; priv->map = devm_regmap_init_mmio(dev, base, - &ingenic_drm_regmap_config); + ®map_config); if (IS_ERR(priv->map)) { dev_err(dev, "Failed to create regmap\n"); return PTR_ERR(priv->map);