From patchwork Fri Sep 15 08:53:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13386639 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5EA40EE6447 for ; Fri, 15 Sep 2023 08:55:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DA6ED10E5F6; Fri, 15 Sep 2023 08:55:32 +0000 (UTC) Received: from xavier.telenet-ops.be (xavier.telenet-ops.be [IPv6:2a02:1800:120:4::f00:14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 20C6410E5DB for ; Fri, 15 Sep 2023 08:54:17 +0000 (UTC) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed40:7135:da8b:ba1d:1a7c]) by xavier.telenet-ops.be with bizsmtp id m8uE2A00j3q21w7018uElg; Fri, 15 Sep 2023 10:54:16 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1qh4aJ-003lH9-Lp; Fri, 15 Sep 2023 10:54:14 +0200 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1qh4ac-00GdcD-MY; Fri, 15 Sep 2023 10:54:14 +0200 From: Geert Uytterhoeven To: Laurent Pinchart , Kieran Bingham , David Airlie , Daniel Vetter , Thomas Zimmermann , Magnus Damm Subject: [PATCH v4 20/41] drm: renesas: shmobile: Embed drm_device in shmob_drm_device Date: Fri, 15 Sep 2023 10:53:35 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 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-renesas-soc@vger.kernel.org, Geert Uytterhoeven , Laurent Pinchart , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Embedding drm_device in shmob_drm_device allows us to use the DRM managed API to allocate both structures in one go, simplifying error handling. Signed-off-by: Geert Uytterhoeven Reviewed-by: Laurent Pinchart --- v4: - Rebase on top of commit 775b0669e19f2e4a ("drm/shmobile: Convert to platform remove callback returning void") in drm-misc/for-linux-next, v3: - No changes, v2: - Add Reviewed-by. --- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 12 +++--- .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 40 +++++++------------ .../gpu/drm/renesas/shmobile/shmob_drm_drv.h | 2 +- .../gpu/drm/renesas/shmobile/shmob_drm_kms.c | 16 ++++---- .../drm/renesas/shmobile/shmob_drm_plane.c | 8 ++-- 5 files changed, 34 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 015263ac2100c11e..9c66e00ed70ea582 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -116,7 +116,7 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) struct shmob_drm_device *sdev = crtc->dev->dev_private; const struct shmob_drm_interface_data *idata = &sdev->pdata->iface; const struct shmob_drm_format_info *format; - struct drm_device *dev = sdev->ddev; + struct drm_device *dev = &sdev->ddev; struct drm_plane *plane; u32 value; int ret; @@ -439,7 +439,7 @@ int shmob_drm_crtc_create(struct shmob_drm_device *sdev) sdev->crtc.dpms = DRM_MODE_DPMS_OFF; - primary = __drm_universal_plane_alloc(sdev->ddev, sizeof(*primary), 0, + primary = __drm_universal_plane_alloc(&sdev->ddev, sizeof(*primary), 0, 0, &primary_plane_funcs, modeset_formats, ARRAY_SIZE(modeset_formats), @@ -448,7 +448,7 @@ int shmob_drm_crtc_create(struct shmob_drm_device *sdev) if (IS_ERR(primary)) return PTR_ERR(primary); - ret = drm_crtc_init_with_planes(sdev->ddev, crtc, primary, NULL, + ret = drm_crtc_init_with_planes(&sdev->ddev, crtc, primary, NULL, &crtc_funcs, NULL); if (ret < 0) { drm_plane_cleanup(primary); @@ -524,7 +524,7 @@ int shmob_drm_encoder_create(struct shmob_drm_device *sdev) encoder->possible_crtcs = 1; - ret = drm_simple_encoder_init(sdev->ddev, encoder, + ret = drm_simple_encoder_init(&sdev->ddev, encoder, DRM_MODE_ENCODER_DPI); if (ret < 0) return ret; @@ -604,7 +604,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, connector->display_info.width_mm = sdev->pdata->panel.width_mm; connector->display_info.height_mm = sdev->pdata->panel.height_mm; - ret = drm_connector_init(sdev->ddev, connector, &connector_funcs, + ret = drm_connector_init(&sdev->ddev, connector, &connector_funcs, DRM_MODE_CONNECTOR_DPI); if (ret < 0) return ret; @@ -617,7 +617,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); drm_object_property_set_value(&connector->base, - sdev->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF); + sdev->ddev.mode_config.dpms_property, DRM_MODE_DPMS_OFF); return 0; diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index bf3a9c1db177095e..56e2f407ab53a476 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -137,7 +137,7 @@ static int shmob_drm_pm_suspend(struct device *dev) { struct shmob_drm_device *sdev = dev_get_drvdata(dev); - drm_kms_helper_poll_disable(sdev->ddev); + drm_kms_helper_poll_disable(&sdev->ddev); shmob_drm_crtc_suspend(&sdev->crtc); return 0; @@ -147,11 +147,11 @@ static int shmob_drm_pm_resume(struct device *dev) { struct shmob_drm_device *sdev = dev_get_drvdata(dev); - drm_modeset_lock_all(sdev->ddev); + drm_modeset_lock_all(&sdev->ddev); shmob_drm_crtc_resume(&sdev->crtc); - drm_modeset_unlock_all(sdev->ddev); + drm_modeset_unlock_all(&sdev->ddev); - drm_kms_helper_poll_enable(sdev->ddev); + drm_kms_helper_poll_enable(&sdev->ddev); return 0; } @@ -192,11 +192,10 @@ static const struct dev_pm_ops shmob_drm_pm_ops = { static void shmob_drm_remove(struct platform_device *pdev) { struct shmob_drm_device *sdev = platform_get_drvdata(pdev); - struct drm_device *ddev = sdev->ddev; + struct drm_device *ddev = &sdev->ddev; drm_dev_unregister(ddev); drm_kms_helper_poll_fini(ddev); - drm_dev_put(ddev); } static int shmob_drm_probe(struct platform_device *pdev) @@ -213,13 +212,15 @@ static int shmob_drm_probe(struct platform_device *pdev) } /* - * Allocate and initialize the driver private data, I/O resources and - * clocks. + * Allocate and initialize the DRM device, driver private data, I/O + * resources and clocks. */ - sdev = devm_kzalloc(&pdev->dev, sizeof(*sdev), GFP_KERNEL); - if (sdev == NULL) - return -ENOMEM; + sdev = devm_drm_dev_alloc(&pdev->dev, &shmob_drm_driver, + struct shmob_drm_device, ddev); + if (IS_ERR(sdev)) + return PTR_ERR(sdev); + ddev = &sdev->ddev; sdev->dev = &pdev->dev; sdev->pdata = pdata; spin_lock_init(&sdev->irq_lock); @@ -242,20 +243,12 @@ static int shmob_drm_probe(struct platform_device *pdev) if (ret < 0) return ret; - /* Allocate and initialize the DRM device. */ - ddev = drm_dev_alloc(&shmob_drm_driver, &pdev->dev); - if (IS_ERR(ddev)) - return PTR_ERR(ddev); - - sdev->ddev = ddev; ddev->dev_private = sdev; ret = shmob_drm_modeset_init(sdev); - if (ret < 0) { - dev_err_probe(&pdev->dev, ret, - "failed to initialize mode setting\n"); - goto err_free_drm_dev; - } + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, + "failed to initialize mode setting\n"); for (i = 0; i < 4; ++i) { ret = shmob_drm_plane_create(sdev, i); @@ -297,9 +290,6 @@ static int shmob_drm_probe(struct platform_device *pdev) err_modeset_cleanup: drm_kms_helper_poll_fini(ddev); -err_free_drm_dev: - drm_dev_put(ddev); - return ret; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h index 16d830168b2ada21..77bb0da48f37ace8 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h @@ -32,7 +32,7 @@ struct shmob_drm_device { unsigned int irq; spinlock_t irq_lock; /* Protects hardware LDINTR register */ - struct drm_device *ddev; + struct drm_device ddev; struct shmob_drm_crtc crtc; struct drm_encoder encoder; diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c index 1a62e7f8a8a9e6df..20316907030b2789 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c @@ -153,7 +153,7 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) { int ret; - ret = drmm_mode_config_init(sdev->ddev); + ret = drmm_mode_config_init(&sdev->ddev); if (ret) return ret; @@ -169,15 +169,15 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) if (ret < 0) return ret; - drm_kms_helper_poll_init(sdev->ddev); + drm_kms_helper_poll_init(&sdev->ddev); - sdev->ddev->mode_config.min_width = 0; - sdev->ddev->mode_config.min_height = 0; - sdev->ddev->mode_config.max_width = 4095; - sdev->ddev->mode_config.max_height = 4095; - sdev->ddev->mode_config.funcs = &shmob_drm_mode_config_funcs; + sdev->ddev.mode_config.min_width = 0; + sdev->ddev.mode_config.min_height = 0; + sdev->ddev.mode_config.max_width = 4095; + sdev->ddev.mode_config.max_height = 4095; + sdev->ddev.mode_config.funcs = &shmob_drm_mode_config_funcs; - drm_helper_disable_unused_functions(sdev->ddev); + drm_helper_disable_unused_functions(&sdev->ddev); return 0; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 1fb68b5fe915b8dc..17e66a018689f648 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -68,7 +68,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, splane->format->ldbbsifr; #define plane_reg_dump(sdev, splane, reg) \ - dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x 0x%08x\n", __func__, \ + dev_dbg(sdev->ddev.dev, "%s(%u): %s 0x%08x 0x%08x\n", __func__, \ splane->index, #reg, \ lcdc_read(sdev, reg(splane->index)), \ lcdc_read(sdev, reg(splane->index) + LCDC_SIDE_B_OFFSET)) @@ -81,7 +81,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, plane_reg_dump(sdev, splane, LDBnBSACR); lcdc_write(sdev, LDBCR, LDBCR_UPC(splane->index)); - dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, + dev_dbg(sdev->ddev.dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, "LDBCR", lcdc_read(sdev, LDBCR)); lcdc_write(sdev, LDBnBSIFR(splane->index), format); @@ -103,7 +103,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, lcdc_write(sdev, LDBCR, LDBCR_UPF(splane->index) | LDBCR_UPD(splane->index)); - dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, + dev_dbg(sdev->ddev.dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, "LDBCR", lcdc_read(sdev, LDBCR)); plane_reg_dump(sdev, splane, LDBnBSIFR); @@ -198,7 +198,7 @@ int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index) { struct shmob_drm_plane *splane; - splane = drmm_universal_plane_alloc(sdev->ddev, struct shmob_drm_plane, + splane = drmm_universal_plane_alloc(&sdev->ddev, struct shmob_drm_plane, plane, 1, &shmob_drm_plane_funcs, formats, ARRAY_SIZE(formats), NULL, DRM_PLANE_TYPE_OVERLAY, NULL);