From patchwork Tue Jul 27 18:27:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 12403379 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA0E1C4338F for ; Tue, 27 Jul 2021 18:27:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFE7B60F9B for ; Tue, 27 Jul 2021 18:27:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231319AbhG0S1a (ORCPT ); Tue, 27 Jul 2021 14:27:30 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:55906 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231426AbhG0S11 (ORCPT ); Tue, 27 Jul 2021 14:27:27 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id D6B9020173; Tue, 27 Jul 2021 18:27:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1627410446; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uPu3oBJ4tIyHmLkIL77SV15tUaWbOHok/CzO8aWhemY=; b=ppi1JLoJUarFuLT7Fd+ZqtUrGoUqNPAQhNr9ZoS899rk9mxbp+6eB5kj7WY0f+a5Mzpoa4 RfD+uqmhHNcDwQrY2qZZmztsaI3BBGP3MHWlUf3tgUC2+UYuPXzB7kueVusLMYsX2BZg0P vMFd1+hfBemxgvPP37xHgyURsoVZi90= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1627410446; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uPu3oBJ4tIyHmLkIL77SV15tUaWbOHok/CzO8aWhemY=; b=nQqI2l27jxQZzDhdyilaw9r+t2OPhxtSj8LwaXECJ+R9HzC7AKEZkUwIiIM2q1+HWtKdwC uOgrniRFsEcqcFAQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 48E0D13B86; Tue, 27 Jul 2021 18:27:26 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id WJvYEA5QAGGwGQAAMHmgww (envelope-from ); Tue, 27 Jul 2021 18:27:26 +0000 From: Thomas Zimmermann To: daniel@ffwll.ch, airlied@linux.ie, alexander.deucher@amd.com, christian.koenig@amd.com, liviu.dudau@arm.com, brian.starkey@arm.com, sam@ravnborg.org, bbrezillon@kernel.org, nicolas.ferre@microchip.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, stefan@agner.ch, alison.wang@nxp.com, patrik.r.jakobsson@gmail.com, anitha.chrisanthus@intel.com, robdclark@gmail.com, edmund.j.dea@intel.com, sean@poorly.run, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, jyri.sarha@iki.fi, tomba@kernel.org Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Thomas Zimmermann Subject: [PATCH 06/14] drm/kmb: Convert to Linux IRQ interfaces Date: Tue, 27 Jul 2021 20:27:13 +0200 Message-Id: <20210727182721.17981-7-tzimmermann@suse.de> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210727182721.17981-1-tzimmermann@suse.de> References: <20210727182721.17981-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Drop the DRM IRQ midlayer in favor of Linux IRQ interfaces. DRM's IRQ helpers are mostly useful for UMS drivers. Modern KMS drivers don't benefit from using it. DRM IRQ callbacks are now being called directly or inlined. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/kmb/kmb_drv.c | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c index 96ea1a2c11dd..be192f6da9f1 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -17,7 +17,6 @@ #include #include #include -#include #include #include @@ -399,14 +398,29 @@ static void kmb_irq_reset(struct drm_device *drm) kmb_write_lcd(to_kmb(drm), LCD_INT_ENABLE, 0); } +static int kmb_irq_install(struct drm_device *drm, unsigned int irq) +{ + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + + kmb_irq_reset(drm); + + return request_irq(irq, kmb_isr, 0, drm->driver->name, drm); +} + +static void kmb_irq_uninstall(struct drm_device *drm) +{ + struct kmb_drm_private *kmb = to_kmb(drm); + + kmb_irq_reset(drm); + free_irq(kmb->irq_lcd, drm); +} + DEFINE_DRM_GEM_CMA_FOPS(fops); static const struct drm_driver kmb_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .irq_handler = kmb_isr, - .irq_preinstall = kmb_irq_reset, - .irq_uninstall = kmb_irq_reset, /* GEM Operations */ .fops = &fops, DRM_GEM_CMA_DRIVER_OPS_VMAP, @@ -428,7 +442,7 @@ static int kmb_remove(struct platform_device *pdev) of_node_put(kmb->crtc.port); kmb->crtc.port = NULL; pm_runtime_get_sync(drm->dev); - drm_irq_uninstall(drm); + kmb_irq_uninstall(drm); pm_runtime_put_sync(drm->dev); pm_runtime_disable(drm->dev); @@ -518,7 +532,7 @@ static int kmb_probe(struct platform_device *pdev) if (ret) goto err_free; - ret = drm_irq_install(&kmb->drm, kmb->irq_lcd); + ret = kmb_irq_install(&kmb->drm, kmb->irq_lcd); if (ret < 0) { drm_err(&kmb->drm, "failed to install IRQ handler\n"); goto err_irq;