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Mon, 13 Mar 2023 15:51:40 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 01/25] drm/fbdev-dma: Implement fbdev emulation for GEM DMA helpers Date: Mon, 13 Mar 2023 16:51:14 +0100 Message-Id: <20230313155138.20584-2-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Implement fbdev emulation that is optimized for drivers that use DMA helpers. The buffers may no tbe moveable, may not require damage handling and have to be located in system memory. This allows fbdev emulation to operate directly on the buffer and mmap it to userspace. Besides those constraints, the emulation works like in the generic code. As an internal DRM client provides, it receives hotplug, restore and unregister events. The DRM client is independent from the fbdev probing, which runs on the first successful hotplug event. The emulation is part of the DMA helper module and not build unless DMA helpers and fbdev emulation has been configured. Tested with vc4. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/drm_fbdev_dma.c | 275 ++++++++++++++++++++++++++++++++ include/drm/drm_fbdev_dma.h | 15 ++ 3 files changed, 291 insertions(+) create mode 100644 drivers/gpu/drm/drm_fbdev_dma.c create mode 100644 include/drm/drm_fbdev_dma.h diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 1e04d135e866..a33257d2bc7f 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -82,6 +82,7 @@ obj-$(CONFIG_DRM_PANEL_ORIENTATION_QUIRKS) += drm_panel_orientation_quirks.o obj-$(CONFIG_DRM_BUDDY) += drm_buddy.o drm_dma_helper-y := drm_gem_dma_helper.o +drm_dma_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fbdev_dma.o drm_dma_helper-$(CONFIG_DRM_KMS_HELPER) += drm_fb_dma_helper.o obj-$(CONFIG_DRM_GEM_DMA_HELPER) += drm_dma_helper.o diff --git a/drivers/gpu/drm/drm_fbdev_dma.c b/drivers/gpu/drm/drm_fbdev_dma.c new file mode 100644 index 000000000000..cf553ac12a0f --- /dev/null +++ b/drivers/gpu/drm/drm_fbdev_dma.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: MIT + +#include +#include +#include +#include +#include + +#include + +/* + * struct fb_ops + */ + +static int drm_fbdev_dma_fb_open(struct fb_info *info, int user) +{ + struct drm_fb_helper *fb_helper = info->par; + + /* No need to take a ref for fbcon because it unbinds on unregister */ + if (user && !try_module_get(fb_helper->dev->driver->fops->owner)) + return -ENODEV; + + return 0; +} + +static int drm_fbdev_dma_fb_release(struct fb_info *info, int user) +{ + struct drm_fb_helper *fb_helper = info->par; + + if (user) + module_put(fb_helper->dev->driver->fops->owner); + + return 0; +} + +static void drm_fbdev_dma_fb_destroy(struct fb_info *info) +{ + struct drm_fb_helper *fb_helper = info->par; + + if (!fb_helper->dev) + return; + + drm_fb_helper_fini(fb_helper); + + drm_client_buffer_vunmap(fb_helper->buffer); + drm_client_framebuffer_delete(fb_helper->buffer); + drm_client_release(&fb_helper->client); + drm_fb_helper_unprepare(fb_helper); + kfree(fb_helper); +} + +static int drm_fbdev_dma_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + struct drm_fb_helper *fb_helper = info->par; + struct drm_device *dev = fb_helper->dev; + + if (drm_WARN_ON_ONCE(dev, !fb_helper->dev->driver->gem_prime_mmap)) + return -ENODEV; + + return fb_helper->dev->driver->gem_prime_mmap(fb_helper->buffer->gem, vma); +} + +static const struct fb_ops drm_fbdev_dma_fb_ops = { + .owner = THIS_MODULE, + .fb_open = drm_fbdev_dma_fb_open, + .fb_release = drm_fbdev_dma_fb_release, + .fb_read = drm_fb_helper_sys_read, + .fb_write = drm_fb_helper_sys_write, + DRM_FB_HELPER_DEFAULT_OPS, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, + .fb_destroy = drm_fbdev_dma_fb_destroy, + .fb_mmap = drm_fbdev_dma_fb_mmap, +}; + +/* + * struct drm_fb_helper + */ + +static int drm_fbdev_dma_helper_fb_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes) +{ + struct drm_client_dev *client = &fb_helper->client; + struct drm_device *dev = fb_helper->dev; + struct drm_client_buffer *buffer; + struct drm_gem_dma_object *dma_obj; + struct drm_framebuffer *fb; + struct fb_info *info; + u32 format; + struct iosys_map map; + int ret; + + drm_dbg_kms(dev, "surface width(%d), height(%d) and bpp(%d)\n", + sizes->surface_width, sizes->surface_height, + sizes->surface_bpp); + + format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); + buffer = drm_client_framebuffer_create(client, sizes->surface_width, + sizes->surface_height, format); + if (IS_ERR(buffer)) + return PTR_ERR(buffer); + dma_obj = to_drm_gem_dma_obj(buffer->gem); + + fb = buffer->fb; + if (drm_WARN_ON(dev, fb->funcs->dirty)) { + ret = -ENODEV; /* damage handling not supported; use generic emulation */ + goto err_drm_client_buffer_delete; + } + + ret = drm_client_buffer_vmap(buffer, &map); + if (ret) { + goto err_drm_client_buffer_delete; + } else if (drm_WARN_ON(dev, map.is_iomem)) { + ret = -ENODEV; /* I/O memory not supported; use generic emulation */ + goto err_drm_client_buffer_delete; + } + + fb_helper->buffer = buffer; + fb_helper->fb = buffer->fb; + + info = drm_fb_helper_alloc_info(fb_helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); + goto err_drm_client_buffer_vunmap; + } + + drm_fb_helper_fill_info(info, fb_helper, sizes); + + info->fbops = &drm_fbdev_dma_fb_ops; + info->flags = FBINFO_DEFAULT; + + /* screen */ + info->flags |= FBINFO_VIRTFB; /* system memory */ + if (dma_obj->map_noncoherent) + info->flags |= FBINFO_READS_FAST; /* signal caching */ + info->screen_size = sizes->surface_height * fb->pitches[0]; + info->screen_buffer = map.vaddr; + info->fix.smem_len = info->screen_size; + +#if IS_ENABLED(CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM) + /* + * Shamelessly leak the physical address to user-space. + */ + if (fb_helper->hint_leak_smem_start && !info->fix.smem_start) + info->fix.smem_start = page_to_phys(virt_to_page(info->screen_buffer)); +#endif + + return 0; + +err_drm_client_buffer_vunmap: + fb_helper->fb = NULL; + fb_helper->buffer = NULL; + drm_client_buffer_vunmap(buffer); +err_drm_client_buffer_delete: + drm_client_framebuffer_delete(buffer); + return ret; +} + +static const struct drm_fb_helper_funcs drm_fbdev_dma_helper_funcs = { + .fb_probe = drm_fbdev_dma_helper_fb_probe, +}; + +/* + * struct drm_client_funcs + */ + +static void drm_fbdev_dma_client_unregister(struct drm_client_dev *client) +{ + struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); + + if (fb_helper->info) { + drm_fb_helper_unregister_info(fb_helper); + } else { + drm_client_release(&fb_helper->client); + drm_fb_helper_unprepare(fb_helper); + kfree(fb_helper); + } +} + +static int drm_fbdev_dma_client_restore(struct drm_client_dev *client) +{ + drm_fb_helper_lastclose(client->dev); + + return 0; +} + +static int drm_fbdev_dma_client_hotplug(struct drm_client_dev *client) +{ + struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); + struct drm_device *dev = client->dev; + int ret; + + if (dev->fb_helper) + return drm_fb_helper_hotplug_event(dev->fb_helper); + + ret = drm_fb_helper_init(dev, fb_helper); + if (ret) + goto err_drm_err; + + if (!drm_drv_uses_atomic_modeset(dev)) + drm_helper_disable_unused_functions(dev); + + ret = drm_fb_helper_initial_config(fb_helper); + if (ret) + goto err_drm_fb_helper_fini; + + return 0; + +err_drm_fb_helper_fini: + drm_fb_helper_fini(fb_helper); +err_drm_err: + drm_err(dev, "fbdev-dma: Failed to setup generic emulation (ret=%d)\n", ret); + return ret; +} + +static const struct drm_client_funcs drm_fbdev_dma_client_funcs = { + .owner = THIS_MODULE, + .unregister = drm_fbdev_dma_client_unregister, + .restore = drm_fbdev_dma_client_restore, + .hotplug = drm_fbdev_dma_client_hotplug, +}; + +/** + * drm_fbdev_dma_setup() - Setup fbdev emulation for GEM DMA helpers + * @dev: DRM device + * @preferred_bpp: Preferred bits per pixel for the device. + * @dev->mode_config.preferred_depth is used if this is zero. + * + * This function sets up fbdev emulation for GEM DMA drivers that support + * dumb buffers with a virtual address and that can be mmap'ed. + * drm_fbdev_dma_setup() shall be called after the DRM driver registered + * the new DRM device with drm_dev_register(). + * + * Restore, hotplug events and teardown are all taken care of. Drivers that do + * suspend/resume need to call drm_fb_helper_set_suspend_unlocked() themselves. + * Simple drivers might use drm_mode_config_helper_suspend(). + * + * This function is safe to call even when there are no connectors present. + * Setup will be retried on the next hotplug event. + * + * The fbdev is destroyed by drm_dev_unregister(). + */ +void drm_fbdev_dma_setup(struct drm_device *dev, unsigned int preferred_bpp) +{ + struct drm_fb_helper *fb_helper; + int ret; + + drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); + drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); + + fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); + if (!fb_helper) + return; + drm_fb_helper_prepare(dev, fb_helper, preferred_bpp, &drm_fbdev_dma_helper_funcs); + + ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_dma_client_funcs); + if (ret) { + drm_err(dev, "Failed to register client: %d\n", ret); + goto err_drm_client_init; + } + + ret = drm_fbdev_dma_client_hotplug(&fb_helper->client); + if (ret) + drm_dbg_kms(dev, "client hotplug ret=%d\n", ret); + + drm_client_register(&fb_helper->client); + + return; + +err_drm_client_init: + drm_fb_helper_unprepare(fb_helper); + kfree(fb_helper); +} +EXPORT_SYMBOL(drm_fbdev_dma_setup); diff --git a/include/drm/drm_fbdev_dma.h b/include/drm/drm_fbdev_dma.h new file mode 100644 index 000000000000..2da7ee784133 --- /dev/null +++ b/include/drm/drm_fbdev_dma.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: MIT */ + +#ifndef DRM_FBDEV_DMA_H +#define DRM_FBDEV_DMA_H + +struct drm_device; + +#ifdef CONFIG_DRM_FBDEV_EMULATION +void drm_fbdev_dma_setup(struct drm_device *dev, unsigned int preferred_bpp); +#else +static inline void drm_fbdev_dma_setup(struct drm_device *dev, unsigned int preferred_bpp) +{ } +#endif + +#endif From patchwork Mon Mar 13 15:51:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756373 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/arm/hdlcd_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index e3507dd6f82a..a554c79dcd39 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -26,7 +26,7 @@ #include #include #include -#include +#include #include #include #include @@ -301,7 +301,7 @@ static int hdlcd_drm_bind(struct device *dev) if (ret) goto err_register; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return 0; From patchwork Mon Mar 13 15:51:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756389 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/arm/malidp_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index cf040e2e9efe..0597e6ad56e7 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include #include @@ -852,7 +852,7 @@ static int malidp_bind(struct device *dev) if (ret) goto register_fail; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return 0; From patchwork Mon Mar 13 15:51:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756387 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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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=D947hMyj6Sf4KC9scv1ctmRh6r+SrOLFp5Zz2aFZxb4=; b=SbwpIotjiNQeIQ5cMm8P9G+U6oYW4wzejkqnKnG/g535+ILggY7DOkWeJKyXDQMe0aI2YN biUWME37ufzbtECA== 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 ED00713517; Mon, 13 Mar 2023 15:51:40 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id kLT/OIxGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:40 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 04/25] drm/aspeed: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:17 +0100 Message-Id: <20230313155138.20584-5-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c index ecfb060d2557..c8c7f8215155 100644 --- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c +++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c @@ -15,7 +15,7 @@ #include #include -#include +#include #include #include #include @@ -341,7 +341,7 @@ static int aspeed_gfx_probe(struct platform_device *pdev) if (ret) goto err_unload; - drm_fbdev_generic_setup(&priv->drm, 32); + drm_fbdev_dma_setup(&priv->drm, 32); return 0; err_unload: From patchwork Mon Mar 13 15:51:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756386 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Acked-by: Sam Ravnborg --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 4e806b06d35d..29603561d501 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include #include @@ -760,7 +760,7 @@ static int atmel_hlcdc_dc_drm_probe(struct platform_device *pdev) if (ret) goto err_unload; - drm_fbdev_generic_setup(ddev, 24); + drm_fbdev_dma_setup(ddev, 24); return 0; From patchwork Mon Mar 13 15:51:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756372 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c index 8579c7629f5e..c09ba019ba5e 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c @@ -20,7 +20,7 @@ #include #include -#include +#include #include #include #include @@ -333,7 +333,7 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev) if (ret < 0) goto put; - drm_fbdev_generic_setup(drm, legacyfb_depth); + drm_fbdev_dma_setup(drm, legacyfb_depth); return 0; From patchwork Mon Mar 13 15:51:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756385 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=3YtpAFN7zjrzgA2sJtiUME75jFZgyE7NtvmD9EOyGjs=; b=zN16K2UHPs5QlAUyX90yUGduAdC7QmOS1dTo7ryxgQ7ZEkgruawtVpYVTP/UUnGdwObn5L I4ExCnnr6izJpACQ== 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 C0FA9139F9; Mon, 13 Mar 2023 15:51:41 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id CKdALo1GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:41 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 07/25] drm/imx/dcss: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:20 +0100 Message-Id: <20230313155138.20584-8-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/imx/dcss/dcss-kms.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/imx/dcss/dcss-kms.c b/drivers/gpu/drm/imx/dcss/dcss-kms.c index dab5e664920d..896de946f8df 100644 --- a/drivers/gpu/drm/imx/dcss/dcss-kms.c +++ b/drivers/gpu/drm/imx/dcss/dcss-kms.c @@ -7,7 +7,7 @@ #include #include #include -#include +#include #include #include #include @@ -145,7 +145,7 @@ struct dcss_kms_dev *dcss_kms_attach(struct dcss_dev *dcss) if (ret) goto cleanup_crtc; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return kms; From patchwork Mon Mar 13 15:51:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756378 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=XF7PI4m7rH191dWxDe37OmyAauL1InscvYo2DQE4Lyc=; b=X4gI2+jxP4L9NcfNJ7X+Fr9IacfQEuVZJHfUohOpgvMrqpiaPaz1eX0PuyBiHIXjJSESRG JkNMW+8QYu0HcrAA== 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 0DA2E13517; Mon, 13 Mar 2023 15:51:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id kAZsAo5GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:42 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 08/25] drm/imx: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:21 +0100 Message-Id: <20230313155138.20584-9-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/imx/ipuv3/imx-drm-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c b/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c index e060fa6cbcb9..4a866ac60fff 100644 --- a/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c +++ b/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include #include #include #include @@ -249,7 +249,7 @@ static int imx_drm_bind(struct device *dev) if (ret) goto err_poll_fini; - drm_fbdev_generic_setup(drm, legacyfb_depth); + drm_fbdev_dma_setup(drm, legacyfb_depth); return 0; From patchwork Mon Mar 13 15:51:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756380 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=LuOD+aDhe6zNHu2B9JmUuRrg0jwdJ2ywrRklBNP4PEI=; b=WHECN9mXveRPfS/dWX4eEjj8fcz5mCqGQ+SgqFK2aQrly9oLzDFctdPHxHMwqYHiLdDISc mZopNiKkx72snwDQ== 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 4D7AC139F9; Mon, 13 Mar 2023 15:51:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 8DICEo5GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:42 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 09/25] drm/kmb: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:22 +0100 Message-Id: <20230313155138.20584-10-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , Anitha Chrisanthus , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Acked-by: Anitha Chrisanthus --- drivers/gpu/drm/kmb/kmb_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c index d29c678f6c91..24035b53441c 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -15,7 +15,7 @@ #include #include -#include +#include #include #include #include @@ -562,7 +562,7 @@ static int kmb_probe(struct platform_device *pdev) if (ret) goto err_register; - drm_fbdev_generic_setup(&kmb->drm, 0); + drm_fbdev_dma_setup(&kmb->drm, 0); return 0; From patchwork Mon Mar 13 15:51:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756384 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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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=JI68li34nf8r+2nUrNHZmX4hKQvUyE0ZZUpp5nWneIw=; b=zf4jbo7TlMMpEPJttARFsghshmXlvMuSYYAbtUx7pianWvNxqwrEYh1uTeMXeBjfvmqaFn BpNs3Ri7SYXdJFDQ== 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 910FF13517; Mon, 13 Mar 2023 15:51:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id AFWIIo5GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:42 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 10/25] drm/logicvc: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:23 +0100 Message-Id: <20230313155138.20584-11-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/logicvc/logicvc_drm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/logicvc/logicvc_drm.c b/drivers/gpu/drm/logicvc/logicvc_drm.c index 2fb23697740a..c35c453fd025 100644 --- a/drivers/gpu/drm/logicvc/logicvc_drm.c +++ b/drivers/gpu/drm/logicvc/logicvc_drm.c @@ -17,7 +17,7 @@ #include #include -#include +#include #include #include @@ -449,7 +449,7 @@ static int logicvc_drm_probe(struct platform_device *pdev) preferred_bpp = 32; break; } - drm_fbdev_generic_setup(drm_dev, preferred_bpp); + drm_fbdev_dma_setup(drm_dev, preferred_bpp); return 0; From patchwork Mon Mar 13 15:51:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756377 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Acked-by: Martin Blumenstingl --- drivers/gpu/drm/meson/meson_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 79bfe3938d3c..6608a251106b 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -18,7 +18,7 @@ #include #include #include -#include +#include #include #include #include @@ -353,7 +353,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) if (ret) goto uninstall_irq; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return 0; From patchwork Mon Mar 13 15:51:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756393 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=xfGmaQVnp7J0+BpWWcPGxHc/h4EFJhDuMIO3+FaezIs=; b=y0bGpH5lI5x9/fFRiYSe4QSt1lWbSepwxHr8iSMLDVLJv89V8AK8epV4p71VPnXqje+j5g QiX2y41Eag4dt3CQ== 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 2319913517; Mon, 13 Mar 2023 15:51:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id SJ2fB49GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:43 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 12/25] drm/mxsfb/lcdif: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:25 +0100 Message-Id: <20230313155138.20584-13-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/mxsfb/lcdif_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mxsfb/lcdif_drv.c b/drivers/gpu/drm/mxsfb/lcdif_drv.c index cc2ceb301b96..6fb5b469ee5a 100644 --- a/drivers/gpu/drm/mxsfb/lcdif_drv.c +++ b/drivers/gpu/drm/mxsfb/lcdif_drv.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include #include #include #include @@ -220,7 +220,7 @@ static int lcdif_probe(struct platform_device *pdev) if (ret) goto err_unload; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return 0; From patchwork Mon Mar 13 15:51:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756375 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/mxsfb/mxsfb_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c index b3ab86ad1b36..368b1fbd8305 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c @@ -20,7 +20,7 @@ #include #include #include -#include +#include #include #include #include @@ -365,7 +365,7 @@ static int mxsfb_probe(struct platform_device *pdev) if (ret) goto err_unload; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return 0; From patchwork Mon Mar 13 15:51:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756392 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/sti/sti_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c index ef6a4e63198f..1b87b5899f9e 100644 --- a/drivers/gpu/drm/sti/sti_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -14,7 +14,7 @@ #include #include #include -#include +#include #include #include #include @@ -199,7 +199,7 @@ static int sti_bind(struct device *dev) drm_mode_config_reset(ddev); - drm_fbdev_generic_setup(ddev, 32); + drm_fbdev_dma_setup(ddev, 32); return 0; From patchwork Mon Mar 13 15:51:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756376 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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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=fR+2SJ4TrEUtPfEMU6CNLBFUyBog9EUVJWhhdGLQeX8=; b=ybdBi+7Vn+ELxTRjS5aU29KQCFf22mx/qwOvvamqS/3QJ9Kq9p3BC0vM0cmTNrMSb3pdyA T0u3cHJ6HaWR4ACA== 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 E82CE139F9; Mon, 13 Mar 2023 15:51:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 0F/FN49GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:43 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 15/25] drm/stm: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:28 +0100 Message-Id: <20230313155138.20584-16-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/stm/drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 50410bd99dfe..422220df7d8c 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -18,7 +18,7 @@ #include #include #include -#include +#include #include #include #include @@ -203,7 +203,7 @@ static int stm_drm_platform_probe(struct platform_device *pdev) if (ret) goto err_put; - drm_fbdev_generic_setup(ddev, 16); + drm_fbdev_dma_setup(ddev, 16); return 0; From patchwork Mon Mar 13 15:51:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756379 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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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=gI4OaAtbM26LV2A1893cD8w+HeuYtYS/hY0+uW4tXYM=; b=+NhRsMbPsn0LPBVxh7zIZg+O/NBHwZ9/mmsZgEtbpdjshImbNdFe+dNk/E2kInUN7lzr9N VQCXa/qWJI1gmqBg== 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 3645013517; Mon, 13 Mar 2023 15:51:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id yK1fDJBGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:44 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 16/25] drm/sun4i: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:29 +0100 Message-Id: <20230313155138.20584-17-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/sun4i/sun4i_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index d6c741716167..e49f78a6a8cf 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -17,7 +17,7 @@ #include #include #include -#include +#include #include #include #include @@ -111,7 +111,7 @@ static int sun4i_drv_bind(struct device *dev) if (ret) goto finish_poll; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); dev_set_drvdata(dev, drm); From patchwork Mon Mar 13 15:51:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756381 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/tidss/tidss_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c index 2dac8727d2f4..3f5f27fb6ebc 100644 --- a/drivers/gpu/drm/tidss/tidss_drv.c +++ b/drivers/gpu/drm/tidss/tidss_drv.c @@ -13,7 +13,7 @@ #include #include #include -#include +#include #include #include #include @@ -179,7 +179,7 @@ static int tidss_probe(struct platform_device *pdev) goto err_irq_uninstall; } - drm_fbdev_generic_setup(ddev, 32); + drm_fbdev_dma_setup(ddev, 32); dev_dbg(dev, "%s done\n", __func__); From patchwork Mon Mar 13 15:51:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756382 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/tilcdc/tilcdc_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 4ca426007dc8..fe56beea3e93 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include #include #include #include @@ -384,7 +384,7 @@ static int tilcdc_init(const struct drm_driver *ddrv, struct device *dev) goto init_failed; priv->is_registered = true; - drm_fbdev_generic_setup(ddev, bpp); + drm_fbdev_dma_setup(ddev, bpp); return 0; init_failed: From patchwork Mon Mar 13 15:51:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756383 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=uaaDncR+NAiG12dcHe+qzbnHajGTEwLoznBzGG7LNzo=; b=cjKCMg1p1LCIaVOaBVqhlkDHEQaNWQphy1Nq0QimVUCu2Qa3VJIlRW79dxyMUlZo5uWA1M DjDLo39lcvX46YAw== 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 018B0139F9; Mon, 13 Mar 2023 15:51:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id IO05O5BGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:44 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 19/25] drm/arcpgu: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:32 +0100 Message-Id: <20230313155138.20584-20-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/tiny/arcpgu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c index 611bbee15071..e5b10e41554a 100644 --- a/drivers/gpu/drm/tiny/arcpgu.c +++ b/drivers/gpu/drm/tiny/arcpgu.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include #include #include #include @@ -394,7 +394,7 @@ static int arcpgu_probe(struct platform_device *pdev) if (ret) goto err_unload; - drm_fbdev_generic_setup(&arcpgu->drm, 16); + drm_fbdev_dma_setup(&arcpgu->drm, 16); return 0; From patchwork Mon Mar 13 15:51:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756388 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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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=L93lWgJRIuBGoR48iodJJKhwvTdp+KkfaYG8MtRn1I4=; b=UE57EwzWTrgenIc/eWI+NWeoM8dgCOIeDhY057uvTeJFev7UDfZ8q1Gq6P62ieBan20ZiL jiwJa7pNIJZMoZDw== 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 3BD3A13517; Mon, 13 Mar 2023 15:51:45 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id iK28DZFGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:45 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 20/25] drm/tve200: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:33 +0100 Message-Id: <20230313155138.20584-21-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Acked-by: Linus Walleij --- drivers/gpu/drm/tve200/tve200_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tve200/tve200_drv.c b/drivers/gpu/drm/tve200/tve200_drv.c index 0d05c386d303..abd557332b28 100644 --- a/drivers/gpu/drm/tve200/tve200_drv.c +++ b/drivers/gpu/drm/tve200/tve200_drv.c @@ -40,7 +40,7 @@ #include #include #include -#include +#include #include #include #include @@ -227,7 +227,7 @@ static int tve200_probe(struct platform_device *pdev) * Passing in 16 here will make the RGB565 mode the default * Passing in 32 will use XRGB8888 mode */ - drm_fbdev_generic_setup(drm, 16); + drm_fbdev_dma_setup(drm, 16); return 0; From patchwork Mon Mar 13 15:51:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756395 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/vc4/vc4_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 0ccaee57fe9a..c8bf954042e0 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -33,7 +33,7 @@ #include #include #include -#include +#include #include #include @@ -387,7 +387,7 @@ static int vc4_drm_bind(struct device *dev) if (ret < 0) goto unbind_all; - drm_fbdev_generic_setup(drm, 16); + drm_fbdev_dma_setup(drm, 16); return 0; From patchwork Mon Mar 13 15:51:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756394 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/xlnx/zynqmp_kms.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c index 776ef5480206..a7f8611be6f4 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include #include @@ -515,7 +515,7 @@ int zynqmp_dpsub_drm_init(struct zynqmp_dpsub *dpsub) goto err_poll_fini; /* Initialize fbdev generic emulation. */ - drm_fbdev_generic_setup(drm, 24); + drm_fbdev_dma_setup(drm, 24); return 0; From patchwork Mon Mar 13 15:51:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756391 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=RrI2Z623laCpkz5xcMwL8KspUXzsIgPKKjaFMh8wl0U=; b=VN6Lcutmcpynay5pIsmC9uuTNoJNS5ExZKUPLPJXIvpdYJInd+iB9OD3R6RMoTScynQ7d/ XnKdYjSpTRp6nLBQ== 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 12BCB139F9; Mon, 13 Mar 2023 15:51:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id KCCqA5JGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:46 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 23/25] drm/mcde: Do not use dirty GEM FB handling Date: Mon, 13 Mar 2023 16:51:36 +0100 Message-Id: <20230313155138.20584-24-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" From: Linus Walleij This driver has no way to handle damage, the reason the drm_gem_fb_create_with_dirty() was used was because I had the ambition that the driver would only send out updates to DSI command displays whenever something changed, so as to minimize traffic. It turns out this ambition with command mode isn't working in practice because all the MCDE does is to create a continuous stream of DSI commands and while it is possible to send single frame updates with it, it's not been worthwhile. So we are just setting up continuous updates. Reported-by: Thomas Zimmermann Link: https://lore.kernel.org/dri-devel/0e789778-03ca-e3cb-9c94-e8b55573894c@suse.de/ Signed-off-by: Linus Walleij Reviewed-by: Thomas Zimmermann --- drivers/gpu/drm/mcde/mcde_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index 4aedb050d2a5..a592ad0d7886 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -94,7 +94,7 @@ #define MCDE_PID_MAJOR_VERSION_MASK 0xFF000000 static const struct drm_mode_config_funcs mcde_mode_config_funcs = { - .fb_create = drm_gem_fb_create_with_dirty, + .fb_create = drm_gem_fb_create, .atomic_check = drm_atomic_helper_check, .atomic_commit = drm_atomic_helper_commit, }; From patchwork Mon Mar 13 15:51:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756396 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=2pZK9hJVZsRtkuXk4C1IP2Gtl5RKfKzAeU/AIX4IAqY=; b=zdpwQmo8klnYhpkZZMI6/wOcJRQ4rK/nZO0q0kfFEkb+mBwa3slhkRewisiWrJhPy4eBzd psA0Khfyx9J737BQ== 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 5521E13517; Mon, 13 Mar 2023 15:51:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id SPDbE5JGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:46 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 24/25] drm/mcde: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:37 +0100 Message-Id: <20230313155138.20584-25-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Reported-by: Linus Walleij Link: https://lore.kernel.org/dri-devel/CACRpkdawSQsNqKJkSSoSw3HmMHyNXFUywxkdszpTC-a_uZA+tQ@mail.gmail.com/ Signed-off-by: Thomas Zimmermann Reviewed-by: Linus Walleij Tested-by: Linus Walleij --- drivers/gpu/drm/mcde/mcde_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index a592ad0d7886..a8cd86c06c14 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -69,7 +69,7 @@ #include #include #include -#include +#include #include #include #include @@ -237,7 +237,7 @@ static int mcde_drm_bind(struct device *dev) if (ret < 0) goto unbind; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return 0; From patchwork Mon Mar 13 15:51:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 1756390 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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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=YvjxTL+yszp3Qk83TsIdpDskTlMr4i6JlrFyXHd0Dq4=; b=NfUPabzmLwXAej4fxUfruTNpIBzlnHdOCQ4KwUYDtQF7ZNBAH5V+qDkMolTYLFcNij3IsO L4WQN2y7QF94aPDQ== 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 9537313517; Mon, 13 Mar 2023 15:51:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id KK2OI5JGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:46 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Subject: [PATCH v2 25/25] drm/pl111: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:38 +0100 Message-Id: <20230313155138.20584-26-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Zimmermann , linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Reported-by: Linus Walleij Link: https://lore.kernel.org/dri-devel/CACRpkdawSQsNqKJkSSoSw3HmMHyNXFUywxkdszpTC-a_uZA+tQ@mail.gmail.com/ Signed-off-by: Thomas Zimmermann Reviewed-by: Linus Walleij --- drivers/gpu/drm/pl111/pl111_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c index 00deba0b7271..4b2a9e9753f6 100644 --- a/drivers/gpu/drm/pl111/pl111_drv.c +++ b/drivers/gpu/drm/pl111/pl111_drv.c @@ -48,7 +48,7 @@ #include #include #include -#include +#include #include #include #include @@ -308,7 +308,7 @@ static int pl111_amba_probe(struct amba_device *amba_dev, if (ret < 0) goto dev_put; - drm_fbdev_generic_setup(drm, priv->variant->fb_bpp); + drm_fbdev_dma_setup(drm, priv->variant->fb_bpp); return 0;