From mboxrd@z Thu Jan 1 00:00:00 1970 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 938ACC43216 for ; Tue, 27 Jul 2021 18:27:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A97460F90 for ; Tue, 27 Jul 2021 18:27:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231612AbhG0S13 (ORCPT ); Tue, 27 Jul 2021 14:27:29 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:55860 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229962AbhG0S10 (ORCPT ); Tue, 27 Jul 2021 14:27:26 -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 27EB11FF2F; Tue, 27 Jul 2021 18:27:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1627410445; 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=VY1eVf0JDzWct/tiRFOtNxNsy3tmpDgcNEfX1HRRO+w=; b=BROxKxOwRcuGxrS4iQ84o5UF4g8cRFNlM9fDSuEkJ5RPqK+PPEXzob2F73fM/CTa+VC01j Q0RNMskEz4KH9hu91hLDCa3BqvvJjiL3S2lshCloMum1svQAT1saFbcw8cIzPupGrdDL8C v+xTxVuoCmDFS5wffxIkoFKISRm2YIU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1627410445; 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=VY1eVf0JDzWct/tiRFOtNxNsy3tmpDgcNEfX1HRRO+w=; b=oLs8pOPpzDWinRXHxYqWOCFOwBJJl/mPT6iyKyyVXCH21g611H0AAKopVoT8Qryyjzb1yj jSmgd39oBAVzw0AA== 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 95A3613E9D; Tue, 27 Jul 2021 18:27:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id UJuCIwxQAGGwGQAAMHmgww (envelope-from ); Tue, 27 Jul 2021 18:27:24 +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 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces Date: Tue, 27 Jul 2021 20:27:10 +0200 Message-Id: <20210727182721.17981-4-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 Content-Transfer-Encoding: 8bit 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/atmel-hlcdc/atmel_hlcdc_dc.c | 85 ++++++++++++-------- 1 file changed, 52 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index f09b6dd8754c..cfa8c2c9c8aa 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include @@ -557,6 +556,56 @@ static irqreturn_t atmel_hlcdc_dc_irq_handler(int irq, void *data) return IRQ_HANDLED; } +static void atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int cfg = 0; + int i; + + /* Enable interrupts on activated layers */ + for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { + if (dc->layers[i]) + cfg |= ATMEL_HLCDC_LAYER_STATUS(i); + } + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); +} + +static void atmel_hlcdc_dc_irq_disable(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int isr; + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); + regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); +} + +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) +{ + int ret; + + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + + atmel_hlcdc_dc_irq_disable(dev); + + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); + if (ret) + return ret; + + atmel_hlcdc_dc_irq_postinstall(dev); + + return 0; +} + +static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + + atmel_hlcdc_dc_irq_disable(dev); + free_irq(dc->hlcdc->irq, dev); +} + static const struct drm_mode_config_funcs mode_config_funcs = { .fb_create = drm_gem_fb_create, .atomic_check = drm_atomic_helper_check, @@ -647,7 +696,7 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) drm_mode_config_reset(dev); pm_runtime_get_sync(dev->dev); - ret = drm_irq_install(dev, dc->hlcdc->irq); + ret = atmel_hlcdc_dc_irq_install(dev, dc->hlcdc->irq); pm_runtime_put_sync(dev->dev); if (ret < 0) { dev_err(dev->dev, "failed to install IRQ handler\n"); @@ -676,7 +725,7 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) drm_mode_config_cleanup(dev); pm_runtime_get_sync(dev->dev); - drm_irq_uninstall(dev); + atmel_hlcdc_dc_irq_uninstall(dev); pm_runtime_put_sync(dev->dev); dev->dev_private = NULL; @@ -685,40 +734,10 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) clk_disable_unprepare(dc->hlcdc->periph_clk); } -static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int cfg = 0; - int i; - - /* Enable interrupts on activated layers */ - for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { - if (dc->layers[i]) - cfg |= ATMEL_HLCDC_LAYER_STATUS(i); - } - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); - - return 0; -} - -static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int isr; - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); - regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); -} - DEFINE_DRM_GEM_CMA_FOPS(fops); static const struct drm_driver atmel_hlcdc_dc_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .irq_handler = atmel_hlcdc_dc_irq_handler, - .irq_preinstall = atmel_hlcdc_dc_irq_uninstall, - .irq_postinstall = atmel_hlcdc_dc_irq_postinstall, - .irq_uninstall = atmel_hlcdc_dc_irq_uninstall, DRM_GEM_CMA_DRIVER_OPS, .fops = &fops, .name = "atmel-hlcdc", -- 2.32.0 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 56CD5C4338F for ; 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Tue, 27 Jul 2021 18:27:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id UJuCIwxQAGGwGQAAMHmgww (envelope-from ); Tue, 27 Jul 2021 18:27:24 +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 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces Date: Tue, 27 Jul 2021 20:27:10 +0200 Message-Id: <20210727182721.17981-4-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210727_112727_052586_13005C15 X-CRM114-Status: GOOD ( 17.20 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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/atmel-hlcdc/atmel_hlcdc_dc.c | 85 ++++++++++++-------- 1 file changed, 52 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index f09b6dd8754c..cfa8c2c9c8aa 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include @@ -557,6 +556,56 @@ static irqreturn_t atmel_hlcdc_dc_irq_handler(int irq, void *data) return IRQ_HANDLED; } +static void atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int cfg = 0; + int i; + + /* Enable interrupts on activated layers */ + for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { + if (dc->layers[i]) + cfg |= ATMEL_HLCDC_LAYER_STATUS(i); + } + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); +} + +static void atmel_hlcdc_dc_irq_disable(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int isr; + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); + regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); +} + +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) +{ + int ret; + + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + + atmel_hlcdc_dc_irq_disable(dev); + + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); + if (ret) + return ret; + + atmel_hlcdc_dc_irq_postinstall(dev); + + return 0; +} + +static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + + atmel_hlcdc_dc_irq_disable(dev); + free_irq(dc->hlcdc->irq, dev); +} + static const struct drm_mode_config_funcs mode_config_funcs = { .fb_create = drm_gem_fb_create, .atomic_check = drm_atomic_helper_check, @@ -647,7 +696,7 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) drm_mode_config_reset(dev); pm_runtime_get_sync(dev->dev); - ret = drm_irq_install(dev, dc->hlcdc->irq); + ret = atmel_hlcdc_dc_irq_install(dev, dc->hlcdc->irq); pm_runtime_put_sync(dev->dev); if (ret < 0) { dev_err(dev->dev, "failed to install IRQ handler\n"); @@ -676,7 +725,7 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) drm_mode_config_cleanup(dev); pm_runtime_get_sync(dev->dev); - drm_irq_uninstall(dev); + atmel_hlcdc_dc_irq_uninstall(dev); pm_runtime_put_sync(dev->dev); dev->dev_private = NULL; @@ -685,40 +734,10 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) clk_disable_unprepare(dc->hlcdc->periph_clk); } -static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int cfg = 0; - int i; - - /* Enable interrupts on activated layers */ - for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { - if (dc->layers[i]) - cfg |= ATMEL_HLCDC_LAYER_STATUS(i); - } - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); - - return 0; -} - -static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int isr; - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); - regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); -} - DEFINE_DRM_GEM_CMA_FOPS(fops); static const struct drm_driver atmel_hlcdc_dc_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .irq_handler = atmel_hlcdc_dc_irq_handler, - .irq_preinstall = atmel_hlcdc_dc_irq_uninstall, - .irq_postinstall = atmel_hlcdc_dc_irq_postinstall, - .irq_uninstall = atmel_hlcdc_dc_irq_uninstall, DRM_GEM_CMA_DRIVER_OPS, .fops = &fops, .name = "atmel-hlcdc", -- 2.32.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 C0FB1C432BE for ; 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Tue, 27 Jul 2021 18:27:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id UJuCIwxQAGGwGQAAMHmgww (envelope-from ); Tue, 27 Jul 2021 18:27:24 +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 Subject: [PATCH 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces Date: Tue, 27 Jul 2021 20:27:10 +0200 Message-Id: <20210727182721.17981-4-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 Content-Transfer-Encoding: 8bit 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: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Thomas Zimmermann , freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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/atmel-hlcdc/atmel_hlcdc_dc.c | 85 ++++++++++++-------- 1 file changed, 52 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index f09b6dd8754c..cfa8c2c9c8aa 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include @@ -557,6 +556,56 @@ static irqreturn_t atmel_hlcdc_dc_irq_handler(int irq, void *data) return IRQ_HANDLED; } +static void atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int cfg = 0; + int i; + + /* Enable interrupts on activated layers */ + for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { + if (dc->layers[i]) + cfg |= ATMEL_HLCDC_LAYER_STATUS(i); + } + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); +} + +static void atmel_hlcdc_dc_irq_disable(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int isr; + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); + regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); +} + +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) +{ + int ret; + + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + + atmel_hlcdc_dc_irq_disable(dev); + + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); + if (ret) + return ret; + + atmel_hlcdc_dc_irq_postinstall(dev); + + return 0; +} + +static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + + atmel_hlcdc_dc_irq_disable(dev); + free_irq(dc->hlcdc->irq, dev); +} + static const struct drm_mode_config_funcs mode_config_funcs = { .fb_create = drm_gem_fb_create, .atomic_check = drm_atomic_helper_check, @@ -647,7 +696,7 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) drm_mode_config_reset(dev); pm_runtime_get_sync(dev->dev); - ret = drm_irq_install(dev, dc->hlcdc->irq); + ret = atmel_hlcdc_dc_irq_install(dev, dc->hlcdc->irq); pm_runtime_put_sync(dev->dev); if (ret < 0) { dev_err(dev->dev, "failed to install IRQ handler\n"); @@ -676,7 +725,7 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) drm_mode_config_cleanup(dev); pm_runtime_get_sync(dev->dev); - drm_irq_uninstall(dev); + atmel_hlcdc_dc_irq_uninstall(dev); pm_runtime_put_sync(dev->dev); dev->dev_private = NULL; @@ -685,40 +734,10 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) clk_disable_unprepare(dc->hlcdc->periph_clk); } -static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int cfg = 0; - int i; - - /* Enable interrupts on activated layers */ - for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { - if (dc->layers[i]) - cfg |= ATMEL_HLCDC_LAYER_STATUS(i); - } - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); - - return 0; -} - -static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int isr; - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); - regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); -} - DEFINE_DRM_GEM_CMA_FOPS(fops); static const struct drm_driver atmel_hlcdc_dc_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .irq_handler = atmel_hlcdc_dc_irq_handler, - .irq_preinstall = atmel_hlcdc_dc_irq_uninstall, - .irq_postinstall = atmel_hlcdc_dc_irq_postinstall, - .irq_uninstall = atmel_hlcdc_dc_irq_uninstall, DRM_GEM_CMA_DRIVER_OPS, .fops = &fops, .name = "atmel-hlcdc", -- 2.32.0 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 1E053C19F37 for ; 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Tue, 27 Jul 2021 18:27:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id UJuCIwxQAGGwGQAAMHmgww (envelope-from ); Tue, 27 Jul 2021 18:27:24 +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 Subject: [PATCH 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces Date: Tue, 27 Jul 2021 20:27:10 +0200 Message-Id: <20210727182721.17981-4-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 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Thomas Zimmermann , freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" 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/atmel-hlcdc/atmel_hlcdc_dc.c | 85 ++++++++++++-------- 1 file changed, 52 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index f09b6dd8754c..cfa8c2c9c8aa 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include @@ -557,6 +556,56 @@ static irqreturn_t atmel_hlcdc_dc_irq_handler(int irq, void *data) return IRQ_HANDLED; } +static void atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int cfg = 0; + int i; + + /* Enable interrupts on activated layers */ + for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { + if (dc->layers[i]) + cfg |= ATMEL_HLCDC_LAYER_STATUS(i); + } + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); +} + +static void atmel_hlcdc_dc_irq_disable(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + unsigned int isr; + + regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); + regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); +} + +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) +{ + int ret; + + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + + atmel_hlcdc_dc_irq_disable(dev); + + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); + if (ret) + return ret; + + atmel_hlcdc_dc_irq_postinstall(dev); + + return 0; +} + +static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) +{ + struct atmel_hlcdc_dc *dc = dev->dev_private; + + atmel_hlcdc_dc_irq_disable(dev); + free_irq(dc->hlcdc->irq, dev); +} + static const struct drm_mode_config_funcs mode_config_funcs = { .fb_create = drm_gem_fb_create, .atomic_check = drm_atomic_helper_check, @@ -647,7 +696,7 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) drm_mode_config_reset(dev); pm_runtime_get_sync(dev->dev); - ret = drm_irq_install(dev, dc->hlcdc->irq); + ret = atmel_hlcdc_dc_irq_install(dev, dc->hlcdc->irq); pm_runtime_put_sync(dev->dev); if (ret < 0) { dev_err(dev->dev, "failed to install IRQ handler\n"); @@ -676,7 +725,7 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) drm_mode_config_cleanup(dev); pm_runtime_get_sync(dev->dev); - drm_irq_uninstall(dev); + atmel_hlcdc_dc_irq_uninstall(dev); pm_runtime_put_sync(dev->dev); dev->dev_private = NULL; @@ -685,40 +734,10 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) clk_disable_unprepare(dc->hlcdc->periph_clk); } -static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int cfg = 0; - int i; - - /* Enable interrupts on activated layers */ - for (i = 0; i < ATMEL_HLCDC_MAX_LAYERS; i++) { - if (dc->layers[i]) - cfg |= ATMEL_HLCDC_LAYER_STATUS(i); - } - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, cfg); - - return 0; -} - -static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) -{ - struct atmel_hlcdc_dc *dc = dev->dev_private; - unsigned int isr; - - regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff); - regmap_read(dc->hlcdc->regmap, ATMEL_HLCDC_ISR, &isr); -} - DEFINE_DRM_GEM_CMA_FOPS(fops); static const struct drm_driver atmel_hlcdc_dc_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .irq_handler = atmel_hlcdc_dc_irq_handler, - .irq_preinstall = atmel_hlcdc_dc_irq_uninstall, - .irq_postinstall = atmel_hlcdc_dc_irq_postinstall, - .irq_uninstall = atmel_hlcdc_dc_irq_uninstall, DRM_GEM_CMA_DRIVER_OPS, .fops = &fops, .name = "atmel-hlcdc", -- 2.32.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx