summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/Makefile4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c1
-rw-r--r--drivers/gpu/drm/arm/display/komeda/komeda_drv.c2
-rw-r--r--drivers/gpu/drm/arm/hdlcd_drv.c2
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c2
-rw-r--r--drivers/gpu/drm/aspeed/aspeed_gfx_drv.c2
-rw-r--r--drivers/gpu/drm/ast/ast_drv.c1
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c2
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c498
-rw-r--r--drivers/gpu/drm/drm_fbdev_generic.c493
-rw-r--r--drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c2
-rw-r--r--drivers/gpu/drm/gud/gud_drv.c2
-rw-r--r--drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c1
-rw-r--r--drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c2
-rw-r--r--drivers/gpu/drm/hyperv/hyperv_drm_drv.c2
-rw-r--r--drivers/gpu/drm/imx/dcss/dcss-kms.c2
-rw-r--r--drivers/gpu/drm/imx/imx-drm-core.c2
-rw-r--r--drivers/gpu/drm/ingenic/ingenic-drm-drv.c2
-rw-r--r--drivers/gpu/drm/kmb/kmb_drv.c2
-rw-r--r--drivers/gpu/drm/logicvc/logicvc_drm.c2
-rw-r--r--drivers/gpu/drm/mcde/mcde_drv.c2
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c2
-rw-r--r--drivers/gpu/drm/meson/meson_drv.c2
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.c1
-rw-r--r--drivers/gpu/drm/mxsfb/lcdif_drv.c2
-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_drv.c2
-rw-r--r--drivers/gpu/drm/panel/panel-ilitek-ili9341.c2
-rw-r--r--drivers/gpu/drm/pl111/pl111_drv.c2
-rw-r--r--drivers/gpu/drm/qxl/qxl_drv.c1
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_drv.c2
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.c2
-rw-r--r--drivers/gpu/drm/solomon/ssd130x.c2
-rw-r--r--drivers/gpu/drm/sti/sti_drv.c2
-rw-r--r--drivers/gpu/drm/stm/drv.c2
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_drv.c2
-rw-r--r--drivers/gpu/drm/tidss/tidss_drv.c2
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_drv.c2
-rw-r--r--drivers/gpu/drm/tiny/arcpgu.c2
-rw-r--r--drivers/gpu/drm/tiny/bochs.c2
-rw-r--r--drivers/gpu/drm/tiny/cirrus.c2
-rw-r--r--drivers/gpu/drm/tiny/gm12u320.c2
-rw-r--r--drivers/gpu/drm/tiny/hx8357d.c2
-rw-r--r--drivers/gpu/drm/tiny/ili9163.c2
-rw-r--r--drivers/gpu/drm/tiny/ili9225.c2
-rw-r--r--drivers/gpu/drm/tiny/ili9341.c2
-rw-r--r--drivers/gpu/drm/tiny/ili9486.c2
-rw-r--r--drivers/gpu/drm/tiny/mi0283qt.c2
-rw-r--r--drivers/gpu/drm/tiny/ofdrm.c2
-rw-r--r--drivers/gpu/drm/tiny/panel-mipi-dbi.c2
-rw-r--r--drivers/gpu/drm/tiny/repaper.c2
-rw-r--r--drivers/gpu/drm/tiny/simpledrm.c2
-rw-r--r--drivers/gpu/drm/tiny/st7586.c2
-rw-r--r--drivers/gpu/drm/tiny/st7735r.c2
-rw-r--r--drivers/gpu/drm/tve200/tve200_drv.c2
-rw-r--r--drivers/gpu/drm/udl/udl_drv.c2
-rw-r--r--drivers/gpu/drm/vboxvideo/vbox_drv.c2
-rw-r--r--drivers/gpu/drm/vc4/vc4_drv.c2
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_drv.c1
-rw-r--r--drivers/gpu/drm/vkms/vkms_drv.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c2
-rw-r--r--drivers/gpu/drm/xlnx/zynqmp_kms.c2
-rw-r--r--include/drm/drm_fb_helper.h9
-rw-r--r--include/drm/drm_fbdev_generic.h15
63 files changed, 571 insertions, 558 deletions
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 6e55c47288e4..c44a54cadb61 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -117,7 +117,9 @@ drm_kms_helper-y := \
drm_self_refresh_helper.o \
drm_simple_kms_helper.o
drm_kms_helper-$(CONFIG_DRM_PANEL_BRIDGE) += bridge/panel.o
-drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o
+drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += \
+ drm_fbdev_generic.o \
+ drm_fb_helper.o
obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o
#
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 3c9fecdd6b2f..ca96ee2c2c96 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -25,6 +25,7 @@
#include <drm/amdgpu_drm.h>
#include <drm/drm_aperture.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem.h>
#include <drm/drm_vblank.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
index 9fce4239d4ad..3f4e719eebd8 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
@@ -9,7 +9,7 @@
#include <linux/platform_device.h>
#include <linux/component.h>
#include <linux/pm_runtime.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_module.h>
#include <drm/drm_of.h>
#include "komeda_dev.h"
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index a032003c340c..3219cc33d7f6 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -26,7 +26,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_debugfs.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_modeset_helper.h>
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 1d0b0c54ccc7..b734dbdcc577 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -19,7 +19,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index a94f1a9e8f40..718119e168a6 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -16,7 +16,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_device.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index bbeb5defc8f5..420fc75c240e 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -33,6 +33,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_module.h>
#include <drm/drm_probe_helper.h>
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index f7e7f4e919c7..a2bb5b916235 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 <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 105d9c8fe325..5eb2f0d4bf8d 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -30,24 +30,17 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/console.h>
-#include <linux/dma-buf.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/sysrq.h>
-#include <linux/vmalloc.h>
#include <drm/drm_atomic.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
+#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_print.h>
#include <drm/drm_vblank.h>
-#include "drm_crtc_helper_internal.h"
#include "drm_internal.h"
static bool drm_fbdev_emulation = true;
@@ -372,80 +365,6 @@ static void drm_fb_helper_resume_worker(struct work_struct *work)
console_unlock();
}
-static void drm_fb_helper_damage_blit_real(struct drm_fb_helper *fb_helper,
- struct drm_clip_rect *clip,
- struct iosys_map *dst)
-{
- struct drm_framebuffer *fb = fb_helper->fb;
- size_t offset = clip->y1 * fb->pitches[0];
- size_t len = clip->x2 - clip->x1;
- unsigned int y;
- void *src;
-
- switch (drm_format_info_bpp(fb->format, 0)) {
- case 1:
- offset += clip->x1 / 8;
- len = DIV_ROUND_UP(len + clip->x1 % 8, 8);
- break;
- case 2:
- offset += clip->x1 / 4;
- len = DIV_ROUND_UP(len + clip->x1 % 4, 4);
- break;
- case 4:
- offset += clip->x1 / 2;
- len = DIV_ROUND_UP(len + clip->x1 % 2, 2);
- break;
- default:
- offset += clip->x1 * fb->format->cpp[0];
- len *= fb->format->cpp[0];
- break;
- }
-
- src = fb_helper->info->screen_buffer + offset;
- iosys_map_incr(dst, offset); /* go to first pixel within clip rect */
-
- for (y = clip->y1; y < clip->y2; y++) {
- iosys_map_memcpy_to(dst, 0, src, len);
- iosys_map_incr(dst, fb->pitches[0]);
- src += fb->pitches[0];
- }
-}
-
-static int drm_fb_helper_damage_blit(struct drm_fb_helper *fb_helper,
- struct drm_clip_rect *clip)
-{
- struct drm_client_buffer *buffer = fb_helper->buffer;
- struct iosys_map map, dst;
- int ret;
-
- /*
- * We have to pin the client buffer to its current location while
- * flushing the shadow buffer. In the general case, concurrent
- * modesetting operations could try to move the buffer and would
- * fail. The modeset has to be serialized by acquiring the reservation
- * object of the underlying BO here.
- *
- * For fbdev emulation, we only have to protect against fbdev modeset
- * operations. Nothing else will involve the client buffer's BO. So it
- * is sufficient to acquire struct drm_fb_helper.lock here.
- */
- mutex_lock(&fb_helper->lock);
-
- ret = drm_client_buffer_vmap(buffer, &map);
- if (ret)
- goto out;
-
- dst = map;
- drm_fb_helper_damage_blit_real(fb_helper, clip, &dst);
-
- drm_client_buffer_vunmap(buffer);
-
-out:
- mutex_unlock(&fb_helper->lock);
-
- return ret;
-}
-
static void drm_fb_helper_damage_work(struct work_struct *work)
{
struct drm_fb_helper *helper = container_of(work, struct drm_fb_helper, damage_work);
@@ -2326,423 +2245,10 @@ EXPORT_SYMBOL(drm_fb_helper_lastclose);
*
* This function can be used as the
* &drm_mode_config_funcs.output_poll_changed callback for drivers that only
- * need to call drm_fb_helper_hotplug_event().
+ * need to call drm_fbdev.hotplug_event().
*/
void drm_fb_helper_output_poll_changed(struct drm_device *dev)
{
drm_fb_helper_hotplug_event(dev->fb_helper);
}
EXPORT_SYMBOL(drm_fb_helper_output_poll_changed);
-
-static bool drm_fbdev_use_shadow_fb(struct drm_fb_helper *fb_helper)
-{
- struct drm_device *dev = fb_helper->dev;
- struct drm_framebuffer *fb = fb_helper->fb;
-
- return dev->mode_config.prefer_shadow_fbdev ||
- dev->mode_config.prefer_shadow ||
- fb->funcs->dirty;
-}
-
-/* @user: 1=userspace, 0=fbcon */
-static int drm_fbdev_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_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_cleanup(struct drm_fb_helper *fb_helper)
-{
- struct fb_info *fbi = fb_helper->info;
- void *shadow = NULL;
-
- if (!fb_helper->dev)
- return;
-
- if (fbi) {
- if (fbi->fbdefio)
- fb_deferred_io_cleanup(fbi);
- if (drm_fbdev_use_shadow_fb(fb_helper))
- shadow = fbi->screen_buffer;
- }
-
- drm_fb_helper_fini(fb_helper);
-
- if (shadow)
- vfree(shadow);
- else if (fb_helper->buffer)
- drm_client_buffer_vunmap(fb_helper->buffer);
-
- drm_client_framebuffer_delete(fb_helper->buffer);
-}
-
-static void drm_fbdev_release(struct drm_fb_helper *fb_helper)
-{
- drm_fbdev_cleanup(fb_helper);
- drm_client_release(&fb_helper->client);
- kfree(fb_helper);
-}
-
-/*
- * fb_ops.fb_destroy is called by the last put_fb_info() call at the end of
- * unregister_framebuffer() or fb_release().
- */
-static void drm_fbdev_fb_destroy(struct fb_info *info)
-{
- drm_fbdev_release(info->par);
-}
-
-static int drm_fbdev_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
- struct drm_fb_helper *fb_helper = info->par;
-
- if (drm_fbdev_use_shadow_fb(fb_helper))
- return fb_deferred_io_mmap(info, vma);
- else if (fb_helper->dev->driver->gem_prime_mmap)
- return fb_helper->dev->driver->gem_prime_mmap(fb_helper->buffer->gem, vma);
- else
- return -ENODEV;
-}
-
-static bool drm_fbdev_use_iomem(struct fb_info *info)
-{
- struct drm_fb_helper *fb_helper = info->par;
- struct drm_client_buffer *buffer = fb_helper->buffer;
-
- return !drm_fbdev_use_shadow_fb(fb_helper) && buffer->map.is_iomem;
-}
-
-static ssize_t drm_fbdev_fb_read(struct fb_info *info, char __user *buf,
- size_t count, loff_t *ppos)
-{
- ssize_t ret;
-
- if (drm_fbdev_use_iomem(info))
- ret = drm_fb_helper_cfb_read(info, buf, count, ppos);
- else
- ret = drm_fb_helper_sys_read(info, buf, count, ppos);
-
- return ret;
-}
-
-static ssize_t drm_fbdev_fb_write(struct fb_info *info, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- ssize_t ret;
-
- if (drm_fbdev_use_iomem(info))
- ret = drm_fb_helper_cfb_write(info, buf, count, ppos);
- else
- ret = drm_fb_helper_sys_write(info, buf, count, ppos);
-
- return ret;
-}
-
-static void drm_fbdev_fb_fillrect(struct fb_info *info,
- const struct fb_fillrect *rect)
-{
- if (drm_fbdev_use_iomem(info))
- drm_fb_helper_cfb_fillrect(info, rect);
- else
- drm_fb_helper_sys_fillrect(info, rect);
-}
-
-static void drm_fbdev_fb_copyarea(struct fb_info *info,
- const struct fb_copyarea *area)
-{
- if (drm_fbdev_use_iomem(info))
- drm_fb_helper_cfb_copyarea(info, area);
- else
- drm_fb_helper_sys_copyarea(info, area);
-}
-
-static void drm_fbdev_fb_imageblit(struct fb_info *info,
- const struct fb_image *image)
-{
- if (drm_fbdev_use_iomem(info))
- drm_fb_helper_cfb_imageblit(info, image);
- else
- drm_fb_helper_sys_imageblit(info, image);
-}
-
-static const struct fb_ops drm_fbdev_fb_ops = {
- .owner = THIS_MODULE,
- DRM_FB_HELPER_DEFAULT_OPS,
- .fb_open = drm_fbdev_fb_open,
- .fb_release = drm_fbdev_fb_release,
- .fb_destroy = drm_fbdev_fb_destroy,
- .fb_mmap = drm_fbdev_fb_mmap,
- .fb_read = drm_fbdev_fb_read,
- .fb_write = drm_fbdev_fb_write,
- .fb_fillrect = drm_fbdev_fb_fillrect,
- .fb_copyarea = drm_fbdev_fb_copyarea,
- .fb_imageblit = drm_fbdev_fb_imageblit,
-};
-
-static struct fb_deferred_io drm_fbdev_defio = {
- .delay = HZ / 20,
- .deferred_io = drm_fb_helper_deferred_io,
-};
-
-/*
- * This function uses the client API to create a framebuffer backed by a dumb buffer.
- *
- * The _sys_ versions are used for &fb_ops.fb_read, fb_write, fb_fillrect,
- * fb_copyarea, fb_imageblit.
- */
-static int drm_fb_helper_generic_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_framebuffer *fb;
- struct fb_info *fbi;
- 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);
-
- fb_helper->buffer = buffer;
- fb_helper->fb = buffer->fb;
- fb = buffer->fb;
-
- fbi = drm_fb_helper_alloc_info(fb_helper);
- if (IS_ERR(fbi))
- return PTR_ERR(fbi);
-
- fbi->fbops = &drm_fbdev_fb_ops;
- fbi->screen_size = sizes->surface_height * fb->pitches[0];
- fbi->fix.smem_len = fbi->screen_size;
- fbi->flags = FBINFO_DEFAULT;
-
- drm_fb_helper_fill_info(fbi, fb_helper, sizes);
-
- if (drm_fbdev_use_shadow_fb(fb_helper)) {
- fbi->screen_buffer = vzalloc(fbi->screen_size);
- if (!fbi->screen_buffer)
- return -ENOMEM;
- fbi->flags |= FBINFO_VIRTFB | FBINFO_READS_FAST;
-
- fbi->fbdefio = &drm_fbdev_defio;
- fb_deferred_io_init(fbi);
- } else {
- /* buffer is mapped for HW framebuffer */
- ret = drm_client_buffer_vmap(fb_helper->buffer, &map);
- if (ret)
- return ret;
- if (map.is_iomem) {
- fbi->screen_base = map.vaddr_iomem;
- } else {
- fbi->screen_buffer = map.vaddr;
- fbi->flags |= FBINFO_VIRTFB;
- }
-
- /*
- * Shamelessly leak the physical address to user-space. As
- * page_to_phys() is undefined for I/O memory, warn in this
- * case.
- */
-#if IS_ENABLED(CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM)
- if (fb_helper->hint_leak_smem_start && fbi->fix.smem_start == 0 &&
- !drm_WARN_ON_ONCE(dev, map.is_iomem))
- fbi->fix.smem_start =
- page_to_phys(virt_to_page(fbi->screen_buffer));
-#endif
- }
-
- return 0;
-}
-
-static int drm_fbdev_fb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip)
-{
- struct drm_device *dev = helper->dev;
- int ret;
-
- if (!drm_fbdev_use_shadow_fb(helper))
- return 0;
-
- /* Call damage handlers only if necessary */
- if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2))
- return 0;
-
- if (helper->buffer) {
- ret = drm_fb_helper_damage_blit(helper, clip);
- if (drm_WARN_ONCE(dev, ret, "Damage blitter failed: ret=%d\n", ret))
- return ret;
- }
-
- if (helper->fb->funcs->dirty) {
- ret = helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1);
- if (drm_WARN_ONCE(dev, ret, "Dirty helper failed: ret=%d\n", ret))
- return ret;
- }
-
- return 0;
-}
-
-static const struct drm_fb_helper_funcs drm_fb_helper_generic_funcs = {
- .fb_probe = drm_fb_helper_generic_probe,
- .fb_dirty = drm_fbdev_fb_dirty,
-};
-
-static void drm_fbdev_client_unregister(struct drm_client_dev *client)
-{
- struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
-
- if (fb_helper->info)
- /* drm_fbdev_fb_destroy() takes care of cleanup */
- drm_fb_helper_unregister_info(fb_helper);
- else
- drm_fbdev_release(fb_helper);
-}
-
-static int drm_fbdev_client_restore(struct drm_client_dev *client)
-{
- drm_fb_helper_lastclose(client->dev);
-
- return 0;
-}
-
-static int drm_fbdev_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;
-
- /* Setup is not retried if it has failed */
- if (!fb_helper->dev && fb_helper->funcs)
- return 0;
-
- if (dev->fb_helper)
- return drm_fb_helper_hotplug_event(dev->fb_helper);
-
- if (!dev->mode_config.num_connector) {
- drm_dbg_kms(dev, "No connectors found, will not create framebuffer!\n");
- return 0;
- }
-
- drm_fb_helper_prepare(dev, fb_helper, &drm_fb_helper_generic_funcs);
-
- ret = drm_fb_helper_init(dev, fb_helper);
- if (ret)
- goto err;
-
- if (!drm_drv_uses_atomic_modeset(dev))
- drm_helper_disable_unused_functions(dev);
-
- ret = drm_fb_helper_initial_config(fb_helper, fb_helper->preferred_bpp);
- if (ret)
- goto err_cleanup;
-
- return 0;
-
-err_cleanup:
- drm_fbdev_cleanup(fb_helper);
-err:
- fb_helper->dev = NULL;
- fb_helper->info = NULL;
-
- drm_err(dev, "fbdev: Failed to setup generic emulation (ret=%d)\n", ret);
-
- return ret;
-}
-
-static const struct drm_client_funcs drm_fbdev_client_funcs = {
- .owner = THIS_MODULE,
- .unregister = drm_fbdev_client_unregister,
- .restore = drm_fbdev_client_restore,
- .hotplug = drm_fbdev_client_hotplug,
-};
-
-/**
- * drm_fbdev_generic_setup() - Setup generic fbdev emulation
- * @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 generic fbdev emulation for drivers that supports
- * dumb buffers with a virtual address and that can be mmap'ed.
- * drm_fbdev_generic_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().
- *
- * Drivers that set the dirty callback on their framebuffer will get a shadow
- * fbdev buffer that is blitted onto the real buffer. This is done in order to
- * make deferred I/O work with all kinds of buffers. A shadow buffer can be
- * requested explicitly by setting struct drm_mode_config.prefer_shadow or
- * struct drm_mode_config.prefer_shadow_fbdev to true beforehand. This is
- * required to use generic fbdev emulation with SHMEM helpers.
- *
- * 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_generic_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) {
- drm_err(dev, "Failed to allocate fb_helper\n");
- return;
- }
-
- ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs);
- if (ret) {
- kfree(fb_helper);
- drm_err(dev, "Failed to register client: %d\n", ret);
- return;
- }
-
- /*
- * FIXME: This mixes up depth with bpp, which results in a glorious
- * mess, resulting in some drivers picking wrong fbdev defaults and
- * others wrong preferred_depth defaults.
- */
- if (!preferred_bpp)
- preferred_bpp = dev->mode_config.preferred_depth;
- if (!preferred_bpp)
- preferred_bpp = 32;
- fb_helper->preferred_bpp = preferred_bpp;
-
- ret = drm_fbdev_client_hotplug(&fb_helper->client);
- if (ret)
- drm_dbg_kms(dev, "client hotplug ret=%d\n", ret);
-
- drm_client_register(&fb_helper->client);
-}
-EXPORT_SYMBOL(drm_fbdev_generic_setup);
diff --git a/drivers/gpu/drm/drm_fbdev_generic.c b/drivers/gpu/drm/drm_fbdev_generic.c
new file mode 100644
index 000000000000..2d6083ad2e3c
--- /dev/null
+++ b/drivers/gpu/drm/drm_fbdev_generic.c
@@ -0,0 +1,493 @@
+// SPDX-License-Identifier: MIT
+
+#include <linux/moduleparam.h>
+
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_print.h>
+
+#include <drm/drm_fbdev_generic.h>
+
+static bool drm_fbdev_use_shadow_fb(struct drm_fb_helper *fb_helper)
+{
+ struct drm_device *dev = fb_helper->dev;
+ struct drm_framebuffer *fb = fb_helper->fb;
+
+ return dev->mode_config.prefer_shadow_fbdev ||
+ dev->mode_config.prefer_shadow ||
+ fb->funcs->dirty;
+}
+
+/* @user: 1=userspace, 0=fbcon */
+static int drm_fbdev_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_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_cleanup(struct drm_fb_helper *fb_helper)
+{
+ struct fb_info *fbi = fb_helper->info;
+ void *shadow = NULL;
+
+ if (!fb_helper->dev)
+ return;
+
+ if (fbi) {
+ if (fbi->fbdefio)
+ fb_deferred_io_cleanup(fbi);
+ if (drm_fbdev_use_shadow_fb(fb_helper))
+ shadow = fbi->screen_buffer;
+ }
+
+ drm_fb_helper_fini(fb_helper);
+
+ if (shadow)
+ vfree(shadow);
+ else if (fb_helper->buffer)
+ drm_client_buffer_vunmap(fb_helper->buffer);
+
+ drm_client_framebuffer_delete(fb_helper->buffer);
+}
+
+static void drm_fbdev_release(struct drm_fb_helper *fb_helper)
+{
+ drm_fbdev_cleanup(fb_helper);
+ drm_client_release(&fb_helper->client);
+ kfree(fb_helper);
+}
+
+/*
+ * fb_ops.fb_destroy is called by the last put_fb_info() call at the end of
+ * unregister_framebuffer() or fb_release().
+ */
+static void drm_fbdev_fb_destroy(struct fb_info *info)
+{
+ drm_fbdev_release(info->par);
+}
+
+static int drm_fbdev_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+
+ if (drm_fbdev_use_shadow_fb(fb_helper))
+ return fb_deferred_io_mmap(info, vma);
+ else if (fb_helper->dev->driver->gem_prime_mmap)
+ return fb_helper->dev->driver->gem_prime_mmap(fb_helper->buffer->gem, vma);
+ else
+ return -ENODEV;
+}
+
+static bool drm_fbdev_use_iomem(struct fb_info *info)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct drm_client_buffer *buffer = fb_helper->buffer;
+
+ return !drm_fbdev_use_shadow_fb(fb_helper) && buffer->map.is_iomem;
+}
+
+static ssize_t drm_fbdev_fb_read(struct fb_info *info, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ ssize_t ret;
+
+ if (drm_fbdev_use_iomem(info))
+ ret = drm_fb_helper_cfb_read(info, buf, count, ppos);
+ else
+ ret = drm_fb_helper_sys_read(info, buf, count, ppos);
+
+ return ret;
+}
+
+static ssize_t drm_fbdev_fb_write(struct fb_info *info, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ ssize_t ret;
+
+ if (drm_fbdev_use_iomem(info))
+ ret = drm_fb_helper_cfb_write(info, buf, count, ppos);
+ else
+ ret = drm_fb_helper_sys_write(info, buf, count, ppos);
+
+ return ret;
+}
+
+static void drm_fbdev_fb_fillrect(struct fb_info *info,
+ const struct fb_fillrect *rect)
+{
+ if (drm_fbdev_use_iomem(info))
+ drm_fb_helper_cfb_fillrect(info, rect);
+ else
+ drm_fb_helper_sys_fillrect(info, rect);
+}
+
+static void drm_fbdev_fb_copyarea(struct fb_info *info,
+ const struct fb_copyarea *area)
+{
+ if (drm_fbdev_use_iomem(info))
+ drm_fb_helper_cfb_copyarea(info, area);
+ else
+ drm_fb_helper_sys_copyarea(info, area);
+}
+
+static void drm_fbdev_fb_imageblit(struct fb_info *info,
+ const struct fb_image *image)
+{
+ if (drm_fbdev_use_iomem(info))
+ drm_fb_helper_cfb_imageblit(info, image);
+ else
+ drm_fb_helper_sys_imageblit(info, image);
+}
+
+static const struct fb_ops drm_fbdev_fb_ops = {
+ .owner = THIS_MODULE,
+ DRM_FB_HELPER_DEFAULT_OPS,
+ .fb_open = drm_fbdev_fb_open,
+ .fb_release = drm_fbdev_fb_release,
+ .fb_destroy = drm_fbdev_fb_destroy,
+ .fb_mmap = drm_fbdev_fb_mmap,
+ .fb_read = drm_fbdev_fb_read,
+ .fb_write = drm_fbdev_fb_write,
+ .fb_fillrect = drm_fbdev_fb_fillrect,
+ .fb_copyarea = drm_fbdev_fb_copyarea,
+ .fb_imageblit = drm_fbdev_fb_imageblit,
+};
+
+static struct fb_deferred_io drm_fbdev_defio = {
+ .delay = HZ / 20,
+ .deferred_io = drm_fb_helper_deferred_io,
+};
+
+/*
+ * This function uses the client API to create a framebuffer backed by a dumb buffer.
+ */
+static int drm_fbdev_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_framebuffer *fb;
+ struct fb_info *fbi;
+ 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);
+
+ fb_helper->buffer = buffer;
+ fb_helper->fb = buffer->fb;
+ fb = buffer->fb;
+
+ fbi = drm_fb_helper_alloc_info(fb_helper);
+ if (IS_ERR(fbi))
+ return PTR_ERR(fbi);
+
+ fbi->fbops = &drm_fbdev_fb_ops;
+ fbi->screen_size = sizes->surface_height * fb->pitches[0];
+ fbi->fix.smem_len = fbi->screen_size;
+ fbi->flags = FBINFO_DEFAULT;
+
+ drm_fb_helper_fill_info(fbi, fb_helper, sizes);
+
+ if (drm_fbdev_use_shadow_fb(fb_helper)) {
+ fbi->screen_buffer = vzalloc(fbi->screen_size);
+ if (!fbi->screen_buffer)
+ return -ENOMEM;
+ fbi->flags |= FBINFO_VIRTFB | FBINFO_READS_FAST;
+
+ fbi->fbdefio = &drm_fbdev_defio;
+ fb_deferred_io_init(fbi);
+ } else {
+ /* buffer is mapped for HW framebuffer */
+ ret = drm_client_buffer_vmap(fb_helper->buffer, &map);
+ if (ret)
+ return ret;
+ if (map.is_iomem) {
+ fbi->screen_base = map.vaddr_iomem;
+ } else {
+ fbi->screen_buffer = map.vaddr;
+ fbi->flags |= FBINFO_VIRTFB;
+ }
+
+ /*
+ * Shamelessly leak the physical address to user-space. As
+ * page_to_phys() is undefined for I/O memory, warn in this
+ * case.
+ */
+#if IS_ENABLED(CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM)
+ if (fb_helper->hint_leak_smem_start && fbi->fix.smem_start == 0 &&
+ !drm_WARN_ON_ONCE(dev, map.is_iomem))
+ fbi->fix.smem_start =
+ page_to_phys(virt_to_page(fbi->screen_buffer));
+#endif
+ }
+
+ return 0;
+}
+
+static void drm_fbdev_damage_blit_real(struct drm_fb_helper *fb_helper,
+ struct drm_clip_rect *clip,
+ struct iosys_map *dst)
+{
+ struct drm_framebuffer *fb = fb_helper->fb;
+ size_t offset = clip->y1 * fb->pitches[0];
+ size_t len = clip->x2 - clip->x1;
+ unsigned int y;
+ void *src;
+
+ switch (drm_format_info_bpp(fb->format, 0)) {
+ case 1:
+ offset += clip->x1 / 8;
+ len = DIV_ROUND_UP(len + clip->x1 % 8, 8);
+ break;
+ case 2:
+ offset += clip->x1 / 4;
+ len = DIV_ROUND_UP(len + clip->x1 % 4, 4);
+ break;
+ case 4:
+ offset += clip->x1 / 2;
+ len = DIV_ROUND_UP(len + clip->x1 % 2, 2);
+ break;
+ default:
+ offset += clip->x1 * fb->format->cpp[0];
+ len *= fb->format->cpp[0];
+ break;
+ }
+
+ src = fb_helper->info->screen_buffer + offset;
+ iosys_map_incr(dst, offset); /* go to first pixel within clip rect */
+
+ for (y = clip->y1; y < clip->y2; y++) {
+ iosys_map_memcpy_to(dst, 0, src, len);
+ iosys_map_incr(dst, fb->pitches[0]);
+ src += fb->pitches[0];
+ }
+}
+
+static int drm_fbdev_damage_blit(struct drm_fb_helper *fb_helper,
+ struct drm_clip_rect *clip)
+{
+ struct drm_client_buffer *buffer = fb_helper->buffer;
+ struct iosys_map map, dst;
+ int ret;
+
+ /*
+ * We have to pin the client buffer to its current location while
+ * flushing the shadow buffer. In the general case, concurrent
+ * modesetting operations could try to move the buffer and would
+ * fail. The modeset has to be serialized by acquiring the reservation
+ * object of the underlying BO here.
+ *
+ * For fbdev emulation, we only have to protect against fbdev modeset
+ * operations. Nothing else will involve the client buffer's BO. So it
+ * is sufficient to acquire struct drm_fb_helper.lock here.
+ */
+ mutex_lock(&fb_helper->lock);
+
+ ret = drm_client_buffer_vmap(buffer, &map);
+ if (ret)
+ goto out;
+
+ dst = map;
+ drm_fbdev_damage_blit_real(fb_helper, clip, &dst);
+
+ drm_client_buffer_vunmap(buffer);
+
+out:
+ mutex_unlock(&fb_helper->lock);
+
+ return ret;
+}
+
+static int drm_fbdev_fb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip)
+{
+ struct drm_device *dev = helper->dev;
+ int ret;
+
+ if (!drm_fbdev_use_shadow_fb(helper))
+ return 0;
+
+ /* Call damage handlers only if necessary */
+ if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2))
+ return 0;
+
+ if (helper->buffer) {
+ ret = drm_fbdev_damage_blit(helper, clip);
+ if (drm_WARN_ONCE(dev, ret, "Damage blitter failed: ret=%d\n", ret))
+ return ret;
+ }
+
+ if (helper->fb->funcs->dirty) {
+ ret = helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1);
+ if (drm_WARN_ONCE(dev, ret, "Dirty helper failed: ret=%d\n", ret))
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct drm_fb_helper_funcs drm_fb_helper_generic_funcs = {
+ .fb_probe = drm_fbdev_fb_probe,
+ .fb_dirty = drm_fbdev_fb_dirty,
+};
+
+static void drm_fbdev_client_unregister(struct drm_client_dev *client)
+{
+ struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
+
+ if (fb_helper->info)
+ /* drm_fbdev_fb_destroy() takes care of cleanup */
+ drm_fb_helper_unregister_info(fb_helper);
+ else
+ drm_fbdev_release(fb_helper);
+}
+
+static int drm_fbdev_client_restore(struct drm_client_dev *client)
+{
+ drm_fb_helper_lastclose(client->dev);
+
+ return 0;
+}
+
+static int drm_fbdev_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;
+
+ /* Setup is not retried if it has failed */
+ if (!fb_helper->dev && fb_helper->funcs)
+ return 0;
+
+ if (dev->fb_helper)
+ return drm_fb_helper_hotplug_event(dev->fb_helper);
+
+ if (!dev->mode_config.num_connector) {
+ drm_dbg_kms(dev, "No connectors found, will not create framebuffer!\n");
+ return 0;
+ }
+
+ drm_fb_helper_prepare(dev, fb_helper, &drm_fb_helper_generic_funcs);
+
+ ret = drm_fb_helper_init(dev, fb_helper);
+ if (ret)
+ goto err;
+
+ if (!drm_drv_uses_atomic_modeset(dev))
+ drm_helper_disable_unused_functions(dev);
+
+ ret = drm_fb_helper_initial_config(fb_helper, fb_helper->preferred_bpp);
+ if (ret)
+ goto err_cleanup;
+
+ return 0;
+
+err_cleanup:
+ drm_fbdev_cleanup(fb_helper);
+err:
+ fb_helper->dev = NULL;
+ fb_helper->info = NULL;
+
+ drm_err(dev, "fbdev: Failed to setup generic emulation (ret=%d)\n", ret);
+
+ return ret;
+}
+
+static const struct drm_client_funcs drm_fbdev_client_funcs = {
+ .owner = THIS_MODULE,
+ .unregister = drm_fbdev_client_unregister,
+ .restore = drm_fbdev_client_restore,
+ .hotplug = drm_fbdev_client_hotplug,
+};
+
+/**
+ * drm_fbdev_generic_setup() - Setup generic fbdev emulation
+ * @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 generic fbdev emulation for drivers that supports
+ * dumb buffers with a virtual address and that can be mmap'ed.
+ * drm_fbdev_generic_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().
+ *
+ * Drivers that set the dirty callback on their framebuffer will get a shadow
+ * fbdev buffer that is blitted onto the real buffer. This is done in order to
+ * make deferred I/O work with all kinds of buffers. A shadow buffer can be
+ * requested explicitly by setting struct drm_mode_config.prefer_shadow or
+ * struct drm_mode_config.prefer_shadow_fbdev to true beforehand. This is
+ * required to use generic fbdev emulation with SHMEM helpers.
+ *
+ * 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_generic_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;
+
+ ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs);
+ if (ret) {
+ kfree(fb_helper);
+ drm_err(dev, "Failed to register client: %d\n", ret);
+ return;
+ }
+
+ /*
+ * FIXME: This mixes up depth with bpp, which results in a glorious
+ * mess, resulting in some drivers picking wrong fbdev defaults and
+ * others wrong preferred_depth defaults.
+ */
+ if (!preferred_bpp)
+ preferred_bpp = dev->mode_config.preferred_depth;
+ if (!preferred_bpp)
+ preferred_bpp = 32;
+ fb_helper->preferred_bpp = preferred_bpp;
+
+ ret = drm_fbdev_client_hotplug(&fb_helper->client);
+ if (ret)
+ drm_dbg_kms(dev, "client hotplug ret=%d\n", ret);
+
+ drm_client_register(&fb_helper->client);
+}
+EXPORT_SYMBOL(drm_fbdev_generic_setup);
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 b4acc3422ba4..8579c7629f5e 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 <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_modeset_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/gud/gud_drv.c b/drivers/gpu/drm/gud/gud_drv.c
index 8d1630b8edac..d57dab104358 100644
--- a/drivers/gpu/drm/gud/gud_drv.c
+++ b/drivers/gpu/drm/gud/gud_drv.c
@@ -18,7 +18,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_debugfs.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 5a2e1cac06b2..22053c613644 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -17,6 +17,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index 73ee7f25f734..9c5d49bf40c9 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -19,7 +19,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
index ca127ff797f7..427c20ba3404 100644
--- a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
+++ b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
@@ -11,7 +11,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_simple_kms_helper.h>
diff --git a/drivers/gpu/drm/imx/dcss/dcss-kms.c b/drivers/gpu/drm/imx/dcss/dcss-kms.c
index 1defd6a40f11..18df3888b7f9 100644
--- a/drivers/gpu/drm/imx/dcss/dcss-kms.c
+++ b/drivers/gpu/drm/imx/dcss/dcss-kms.c
@@ -7,7 +7,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge_connector.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_of.h>
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 8dd8b0f912af..e060fa6cbcb9 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -16,7 +16,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index 0d6c1b478924..3d5af44bf92d 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -32,7 +32,7 @@
#include <drm/drm_encoder.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_fb_dma_helper.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index 2382ccb3ee99..d29c678f6c91 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -15,7 +15,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/logicvc/logicvc_drm.c b/drivers/gpu/drm/logicvc/logicvc_drm.c
index cc9a4e965f77..9de24d9f0c96 100644
--- a/drivers/gpu/drm/logicvc/logicvc_drm.c
+++ b/drivers/gpu/drm/logicvc/logicvc_drm.c
@@ -17,7 +17,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_print.h>
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index 38c3907bb151..4aedb050d2a5 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -69,7 +69,7 @@
#include <drm/drm_bridge.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_dma_helper.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 91f58db5915f..39a42dc8fb85 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -17,7 +17,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_dma_helper.h>
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 3b24a924b7b9..79bfe3938d3c 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -18,7 +18,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_modeset_helper_vtables.h>
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index ece6cd102dbb..976f0ab2006b 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -11,6 +11,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/mxsfb/lcdif_drv.c b/drivers/gpu/drm/mxsfb/lcdif_drv.c
index 075002ed6fb0..cc2ceb301b96 100644
--- a/drivers/gpu/drm/mxsfb/lcdif_drv.c
+++ b/drivers/gpu/drm/mxsfb/lcdif_drv.c
@@ -16,7 +16,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_mode_config.h>
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index b29b332ed381..810edea0a31e 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -20,7 +20,7 @@
#include <drm/drm_bridge.h>
#include <drm/drm_connector.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
index b59472c29a40..384a724f2822 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
@@ -31,7 +31,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c
index eb25eedb5ee0..00deba0b7271 100644
--- a/drivers/gpu/drm/pl111/pl111_drv.c
+++ b/drivers/gpu/drm/pl111/pl111_drv.c
@@ -48,7 +48,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
index 3044ca948ce2..a3b83f89e061 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.c
+++ b/drivers/gpu/drm/qxl/qxl_drv.c
@@ -37,6 +37,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_gem_ttm_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index a2776f1d6f2c..d003e8d9e7a2 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -20,7 +20,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
#include <drm/drm_probe_helper.h>
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 813f9f8c8698..6e0788d14c10 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -17,7 +17,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c
index f2795f90ea69..53464afc2b9a 100644
--- a/drivers/gpu/drm/solomon/ssd130x.c
+++ b/drivers/gpu/drm/solomon/ssd130x.c
@@ -23,7 +23,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_edid.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_format_helper.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index 7abf010a3293..ef6a4e63198f 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -14,7 +14,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_debugfs.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_of.h>
diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
index d7914f5122df..50410bd99dfe 100644
--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -18,7 +18,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index d06ffd99d86e..cc94efbbf2d4 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -17,7 +17,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_module.h>
#include <drm/drm_of.h>
diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c
index 15cd9b91b7e2..07d94b1e8089 100644
--- a/drivers/gpu/drm/tidss/tidss_drv.c
+++ b/drivers/gpu/drm/tidss/tidss_drv.c
@@ -14,7 +14,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index f72755b8ea14..80615ecdae0b 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -16,7 +16,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_debugfs.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index bb302a3fd6b5..611bbee15071 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -12,7 +12,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
#include <drm/drm_fb_dma_helper.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_dma_helper.h>
diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
index 04682f831544..024346054c70 100644
--- a/drivers/gpu/drm/tiny/bochs.c
+++ b/drivers/gpu/drm/tiny/bochs.c
@@ -7,7 +7,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/tiny/cirrus.c b/drivers/gpu/drm/tiny/cirrus.c
index 354d5e854a6f..678c2ef1cae7 100644
--- a/drivers/gpu/drm/tiny/cirrus.c
+++ b/drivers/gpu/drm/tiny/cirrus.c
@@ -30,7 +30,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_format_helper.h>
#include <drm/drm_fourcc.h>
diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c
index 7441d992a5d7..130fd07a967d 100644
--- a/drivers/gpu/drm/tiny/gm12u320.c
+++ b/drivers/gpu/drm/tiny/gm12u320.c
@@ -12,7 +12,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_format_helper.h>
#include <drm/drm_fourcc.h>
diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c
index 48c24aa8c28a..9f634f720817 100644
--- a/drivers/gpu/drm/tiny/hx8357d.c
+++ b/drivers/gpu/drm/tiny/hx8357d.c
@@ -18,7 +18,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/tiny/ili9163.c b/drivers/gpu/drm/tiny/ili9163.c
index 9a1a5943bee0..ca0451f79962 100644
--- a/drivers/gpu/drm/tiny/ili9163.c
+++ b/drivers/gpu/drm/tiny/ili9163.c
@@ -9,7 +9,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_mipi_dbi.h>
diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c
index a79da2b4af64..815bab285823 100644
--- a/drivers/gpu/drm/tiny/ili9225.c
+++ b/drivers/gpu/drm/tiny/ili9225.c
@@ -20,7 +20,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_dma_helper.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
diff --git a/drivers/gpu/drm/tiny/ili9341.c b/drivers/gpu/drm/tiny/ili9341.c
index 69b265e78096..420f6005a956 100644
--- a/drivers/gpu/drm/tiny/ili9341.c
+++ b/drivers/gpu/drm/tiny/ili9341.c
@@ -17,7 +17,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/tiny/ili9486.c b/drivers/gpu/drm/tiny/ili9486.c
index c80028bb1d11..1bb847466b10 100644
--- a/drivers/gpu/drm/tiny/ili9486.c
+++ b/drivers/gpu/drm/tiny/ili9486.c
@@ -16,7 +16,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c
index bc522fb3d94d..47df2b5a3048 100644
--- a/drivers/gpu/drm/tiny/mi0283qt.c
+++ b/drivers/gpu/drm/tiny/mi0283qt.c
@@ -15,7 +15,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/tiny/ofdrm.c b/drivers/gpu/drm/tiny/ofdrm.c
index d7f98dcf2330..dc9e4d71b12a 100644
--- a/drivers/gpu/drm/tiny/ofdrm.c
+++ b/drivers/gpu/drm/tiny/ofdrm.c
@@ -11,7 +11,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_device.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_format_helper.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
diff --git a/drivers/gpu/drm/tiny/panel-mipi-dbi.c b/drivers/gpu/drm/tiny/panel-mipi-dbi.c
index 955a61d628e7..03a7d569cd56 100644
--- a/drivers/gpu/drm/tiny/panel-mipi-dbi.c
+++ b/drivers/gpu/drm/tiny/panel-mipi-dbi.c
@@ -16,7 +16,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
index e62f4d16b2c6..c2677d081a7b 100644
--- a/drivers/gpu/drm/tiny/repaper.c
+++ b/drivers/gpu/drm/tiny/repaper.c
@@ -26,7 +26,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_dma_helper.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_format_helper.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c
index cbb100753154..162eb44dcba8 100644
--- a/drivers/gpu/drm/tiny/simpledrm.c
+++ b/drivers/gpu/drm/tiny/simpledrm.c
@@ -15,7 +15,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_device.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_format_helper.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c
index b6f620b902e6..ce57fa9917e5 100644
--- a/drivers/gpu/drm/tiny/st7586.c
+++ b/drivers/gpu/drm/tiny/st7586.c
@@ -16,7 +16,7 @@
#include <drm/drm_damage_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_dma_helper.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_format_helper.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
index c36ba08acda1..15d9cf283c66 100644
--- a/drivers/gpu/drm/tiny/st7735r.c
+++ b/drivers/gpu/drm/tiny/st7735r.c
@@ -18,7 +18,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/tve200/tve200_drv.c b/drivers/gpu/drm/tve200/tve200_drv.c
index 611785e09757..0d05c386d303 100644
--- a/drivers/gpu/drm/tve200/tve200_drv.c
+++ b/drivers/gpu/drm/tve200/tve200_drv.c
@@ -40,7 +40,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 91effdcefb6d..e81352126a0f 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -7,7 +7,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c
index 1cd716eb17a1..b450f449a3ab 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_drv.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c
@@ -14,7 +14,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index 2027063fdc30..b66bf7aea632 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -33,7 +33,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_vblank.h>
#include <soc/bcm2835/raspberrypi-firmware.h>
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c
index 0035affc3e59..ae97b98750b6 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.c
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.c
@@ -35,6 +35,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include "virtgpu_drv.h"
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 0ffe5f0e33f7..293dbca50c31 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -17,7 +17,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_ioctl.h>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 63496773f714..bd02cb0e6837 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -35,7 +35,7 @@
#include <drm/drm_aperture.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem_ttm_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_module.h>
diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c
index 1847792cf13d..776ef5480206 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_kms.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c
@@ -19,7 +19,7 @@
#include <drm/drm_device.h>
#include <drm/drm_drv.h>
#include <drm/drm_encoder.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_dma_helper.h>
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 3dfb5d109387..ecfcd2c56d95 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -287,9 +287,6 @@ int drm_fb_helper_debug_leave(struct fb_info *info);
void drm_fb_helper_lastclose(struct drm_device *dev);
void drm_fb_helper_output_poll_changed(struct drm_device *dev);
-
-void drm_fbdev_generic_setup(struct drm_device *dev,
- unsigned int preferred_bpp);
#else
static inline void drm_fb_helper_prepare(struct drm_device *dev,
struct drm_fb_helper *helper,
@@ -474,12 +471,6 @@ static inline void drm_fb_helper_lastclose(struct drm_device *dev)
static inline void drm_fb_helper_output_poll_changed(struct drm_device *dev)
{
}
-
-static inline void
-drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp)
-{
-}
-
#endif
#endif
diff --git a/include/drm/drm_fbdev_generic.h b/include/drm/drm_fbdev_generic.h
new file mode 100644
index 000000000000..75799342098d
--- /dev/null
+++ b/include/drm/drm_fbdev_generic.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef DRM_FBDEV_GENERIC_H
+#define DRM_FBDEV_GENERIC_H
+
+struct drm_device;
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+void drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp);
+#else
+static inline void drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp)
+{ }
+#endif
+
+#endif