Only TTM-based drivers use fbdev-generic. Rename it to fbdev-ttm and change the symbol infix from _generic_ to _ttm_. Link the source file into TTM helpers, so that it is only build if TTM-based drivers have been selected. Select DRM_TTM_HELPER for loongson.
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de> --- Documentation/gpu/drm-kms-helpers.rst | 2 +- drivers/gpu/drm/Makefile | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 +- .../{drm_fbdev_generic.c => drm_fbdev_ttm.c} | 80 +++++++++---------- .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 4 +- drivers/gpu/drm/loongson/Kconfig | 1 + drivers/gpu/drm/loongson/lsdc_drv.c | 4 +- drivers/gpu/drm/nouveau/nouveau_drm.c | 6 +- drivers/gpu/drm/qxl/qxl_drv.c | 4 +- drivers/gpu/drm/tiny/bochs.c | 4 +- drivers/gpu/drm/vboxvideo/vbox_drv.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 4 +- include/drm/drm_fbdev_generic.h | 15 ---- include/drm/drm_fbdev_ttm.h | 15 ++++ 14 files changed, 77 insertions(+), 77 deletions(-) rename drivers/gpu/drm/{drm_fbdev_generic.c => drm_fbdev_ttm.c} (76%) delete mode 100644 include/drm/drm_fbdev_generic.h create mode 100644 include/drm/drm_fbdev_ttm.h diff --git a/Documentation/gpu/drm-kms-helpers.rst b/Documentation/gpu/drm-kms-helpers.rst index 59cfe8a7a8bac..e46ab9b670acd 100644 --- a/Documentation/gpu/drm-kms-helpers.rst +++ b/Documentation/gpu/drm-kms-helpers.rst @@ -116,7 +116,7 @@ fbdev Helper Functions Reference .. kernel-doc:: drivers/gpu/drm/drm_fb_helper.c :export: -.. kernel-doc:: drivers/gpu/drm/drm_fbdev_generic.c +.. kernel-doc:: drivers/gpu/drm/drm_fbdev_ttm.c :export: format Helper Functions Reference diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 50a2f0cffdac2..7bd4c525fd825 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -117,6 +117,7 @@ drm_vram_helper-y := drm_gem_vram_helper.o obj-$(CONFIG_DRM_VRAM_HELPER) += drm_vram_helper.o drm_ttm_helper-y := drm_gem_ttm_helper.o +drm_ttm_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fbdev_ttm.o obj-$(CONFIG_DRM_TTM_HELPER) += drm_ttm_helper.o # @@ -142,9 +143,7 @@ drm_kms_helper-y := \ drm_self_refresh_helper.o \ drm_simple_kms_helper.o drm_kms_helper-$(CONFIG_DRM_PANEL_BRIDGE) += bridge/panel.o -drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += \ - drm_fbdev_generic.o \ - drm_fb_helper.o +drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += 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 6acffedf648c8..e13c03d29c162 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -24,7 +24,7 @@ #include <drm/amdgpu_drm.h> #include <drm/drm_drv.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> #include <drm/drm_gem.h> #include <drm/drm_managed.h> #include <drm/drm_pciids.h> @@ -2308,9 +2308,9 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, !list_empty(&adev_to_drm(adev)->mode_config.connector_list)) { /* select 8 bpp console on low vram cards */ if (adev->gmc.real_vram_size <= (32*1024*1024)) - drm_fbdev_generic_setup(adev_to_drm(adev), 8); + drm_fbdev_ttm_setup(adev_to_drm(adev), 8); else - drm_fbdev_generic_setup(adev_to_drm(adev), 32); + drm_fbdev_ttm_setup(adev_to_drm(adev), 32); } ret = amdgpu_debugfs_init(adev); diff --git a/drivers/gpu/drm/drm_fbdev_generic.c b/drivers/gpu/drm/drm_fbdev_ttm.c similarity index 76% rename from drivers/gpu/drm/drm_fbdev_generic.c rename to drivers/gpu/drm/drm_fbdev_ttm.c index b4659cd6285ab..2114a589bd7d3 100644 --- a/drivers/gpu/drm/drm_fbdev_generic.c +++ b/drivers/gpu/drm/drm_fbdev_ttm.c @@ -10,10 +10,10 @@ #include <drm/drm_gem.h> #include <drm/drm_print.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> /* @user: 1=userspace, 0=fbcon */ -static int drm_fbdev_generic_fb_open(struct fb_info *info, int user) +static int drm_fbdev_ttm_fb_open(struct fb_info *info, int user) { struct drm_fb_helper *fb_helper = info->par; @@ -24,7 +24,7 @@ static int drm_fbdev_generic_fb_open(struct fb_info *info, int user) return 0; } -static int drm_fbdev_generic_fb_release(struct fb_info *info, int user) +static int drm_fbdev_ttm_fb_release(struct fb_info *info, int user) { struct drm_fb_helper *fb_helper = info->par; @@ -34,11 +34,11 @@ static int drm_fbdev_generic_fb_release(struct fb_info *info, int user) return 0; } -FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(drm_fbdev_generic, +FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(drm_fbdev_ttm, drm_fb_helper_damage_range, drm_fb_helper_damage_area); -static void drm_fbdev_generic_fb_destroy(struct fb_info *info) +static void drm_fbdev_ttm_fb_destroy(struct fb_info *info) { struct drm_fb_helper *fb_helper = info->par; void *shadow = info->screen_buffer; @@ -56,19 +56,19 @@ static void drm_fbdev_generic_fb_destroy(struct fb_info *info) kfree(fb_helper); } -static const struct fb_ops drm_fbdev_generic_fb_ops = { +static const struct fb_ops drm_fbdev_ttm_fb_ops = { .owner = THIS_MODULE, - .fb_open = drm_fbdev_generic_fb_open, - .fb_release = drm_fbdev_generic_fb_release, - FB_DEFAULT_DEFERRED_OPS(drm_fbdev_generic), + .fb_open = drm_fbdev_ttm_fb_open, + .fb_release = drm_fbdev_ttm_fb_release, + FB_DEFAULT_DEFERRED_OPS(drm_fbdev_ttm), DRM_FB_HELPER_DEFAULT_OPS, - .fb_destroy = drm_fbdev_generic_fb_destroy, + .fb_destroy = drm_fbdev_ttm_fb_destroy, }; /* * This function uses the client API to create a framebuffer backed by a dumb buffer. */ -static int drm_fbdev_generic_helper_fb_probe(struct drm_fb_helper *fb_helper, +static int drm_fbdev_ttm_helper_fb_probe(struct drm_fb_helper *fb_helper, struct drm_fb_helper_surface_size *sizes) { struct drm_client_dev *client = &fb_helper->client; @@ -108,7 +108,7 @@ static int drm_fbdev_generic_helper_fb_probe(struct drm_fb_helper *fb_helper, drm_fb_helper_fill_info(info, fb_helper, sizes); - info->fbops = &drm_fbdev_generic_fb_ops; + info->fbops = &drm_fbdev_ttm_fb_ops; /* screen */ info->flags |= FBINFO_VIRTFB | FBINFO_READS_FAST; @@ -137,9 +137,9 @@ static int drm_fbdev_generic_helper_fb_probe(struct drm_fb_helper *fb_helper, return ret; } -static void drm_fbdev_generic_damage_blit_real(struct drm_fb_helper *fb_helper, - struct drm_clip_rect *clip, - struct iosys_map *dst) +static void drm_fbdev_ttm_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]; @@ -176,8 +176,8 @@ static void drm_fbdev_generic_damage_blit_real(struct drm_fb_helper *fb_helper, } } -static int drm_fbdev_generic_damage_blit(struct drm_fb_helper *fb_helper, - struct drm_clip_rect *clip) +static int drm_fbdev_ttm_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; @@ -201,7 +201,7 @@ static int drm_fbdev_generic_damage_blit(struct drm_fb_helper *fb_helper, goto out; dst = map; - drm_fbdev_generic_damage_blit_real(fb_helper, clip, &dst); + drm_fbdev_ttm_damage_blit_real(fb_helper, clip, &dst); drm_client_buffer_vunmap(buffer); @@ -211,8 +211,8 @@ static int drm_fbdev_generic_damage_blit(struct drm_fb_helper *fb_helper, return ret; } -static int drm_fbdev_generic_helper_fb_dirty(struct drm_fb_helper *helper, - struct drm_clip_rect *clip) +static int drm_fbdev_ttm_helper_fb_dirty(struct drm_fb_helper *helper, + struct drm_clip_rect *clip) { struct drm_device *dev = helper->dev; int ret; @@ -221,7 +221,7 @@ static int drm_fbdev_generic_helper_fb_dirty(struct drm_fb_helper *helper, if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2)) return 0; - ret = drm_fbdev_generic_damage_blit(helper, clip); + ret = drm_fbdev_ttm_damage_blit(helper, clip); if (drm_WARN_ONCE(dev, ret, "Damage blitter failed: ret=%d\n", ret)) return ret; @@ -234,12 +234,12 @@ static int drm_fbdev_generic_helper_fb_dirty(struct drm_fb_helper *helper, return 0; } -static const struct drm_fb_helper_funcs drm_fbdev_generic_helper_funcs = { - .fb_probe = drm_fbdev_generic_helper_fb_probe, - .fb_dirty = drm_fbdev_generic_helper_fb_dirty, +static const struct drm_fb_helper_funcs drm_fbdev_ttm_helper_funcs = { + .fb_probe = drm_fbdev_ttm_helper_fb_probe, + .fb_dirty = drm_fbdev_ttm_helper_fb_dirty, }; -static void drm_fbdev_generic_client_unregister(struct drm_client_dev *client) +static void drm_fbdev_ttm_client_unregister(struct drm_client_dev *client) { struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); @@ -252,14 +252,14 @@ static void drm_fbdev_generic_client_unregister(struct drm_client_dev *client) } } -static int drm_fbdev_generic_client_restore(struct drm_client_dev *client) +static int drm_fbdev_ttm_client_restore(struct drm_client_dev *client) { drm_fb_helper_lastclose(client->dev); return 0; } -static int drm_fbdev_generic_client_hotplug(struct drm_client_dev *client) +static int drm_fbdev_ttm_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; @@ -284,32 +284,32 @@ static int drm_fbdev_generic_client_hotplug(struct drm_client_dev *client) err_drm_fb_helper_fini: drm_fb_helper_fini(fb_helper); err_drm_err: - drm_err(dev, "fbdev: Failed to setup generic emulation (ret=%d)\n", ret); + drm_err(dev, "fbdev: Failed to setup emulation (ret=%d)\n", ret); return ret; } -static const struct drm_client_funcs drm_fbdev_generic_client_funcs = { +static const struct drm_client_funcs drm_fbdev_ttm_client_funcs = { .owner = THIS_MODULE, - .unregister = drm_fbdev_generic_client_unregister, - .restore = drm_fbdev_generic_client_restore, - .hotplug = drm_fbdev_generic_client_hotplug, + .unregister = drm_fbdev_ttm_client_unregister, + .restore = drm_fbdev_ttm_client_restore, + .hotplug = drm_fbdev_ttm_client_hotplug, }; /** - * drm_fbdev_generic_setup() - Setup generic fbdev emulation + * drm_fbdev_ttm_setup() - Setup fbdev emulation for TTM-based drivers * @dev: DRM device * @preferred_bpp: Preferred bits per pixel for the device. * - * This function sets up generic fbdev emulation for drivers that supports + * This function sets up fbdev emulation for TTM-based drivers that support * dumb buffers with a virtual address and that can be mmap'ed. - * drm_fbdev_generic_setup() shall be called after the DRM driver registered + * drm_fbdev_ttm_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(). * - * In order to provide fixed mmap-able memory ranges, generic fbdev emulation + * In order to provide fixed mmap-able memory ranges, fbdev emulation * uses a shadow buffer in system memory. The implementation blits the shadow * fbdev buffer onto the real buffer in regular intervals. * @@ -318,7 +318,7 @@ static const struct drm_client_funcs drm_fbdev_generic_client_funcs = { * * The fbdev is destroyed by drm_dev_unregister(). */ -void drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) +void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp) { struct drm_fb_helper *fb_helper; int ret; @@ -329,9 +329,9 @@ void drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); if (!fb_helper) return; - drm_fb_helper_prepare(dev, fb_helper, preferred_bpp, &drm_fbdev_generic_helper_funcs); + drm_fb_helper_prepare(dev, fb_helper, preferred_bpp, &drm_fbdev_ttm_helper_funcs); - ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_generic_client_funcs); + ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_ttm_client_funcs); if (ret) { drm_err(dev, "Failed to register client: %d\n", ret); goto err_drm_client_init; @@ -346,4 +346,4 @@ void drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) kfree(fb_helper); return; } -EXPORT_SYMBOL(drm_fbdev_generic_setup); +EXPORT_SYMBOL(drm_fbdev_ttm_setup); diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 57c21ec452b70..9f9b19ea05879 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_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_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_gem_vram_helper.h> #include <drm/drm_managed.h> @@ -339,7 +339,7 @@ static int hibmc_pci_probe(struct pci_dev *pdev, goto err_unload; } - drm_fbdev_generic_setup(dev, 32); + drm_fbdev_ttm_setup(dev, 32); return 0; diff --git a/drivers/gpu/drm/loongson/Kconfig b/drivers/gpu/drm/loongson/Kconfig index 8e59753e532de..9ed463a76ae29 100644 --- a/drivers/gpu/drm/loongson/Kconfig +++ b/drivers/gpu/drm/loongson/Kconfig @@ -6,6 +6,7 @@ config DRM_LOONGSON depends on LOONGARCH || MIPS || COMPILE_TEST select DRM_KMS_HELPER select DRM_TTM + select DRM_TTM_HELPER select I2C select I2C_ALGOBIT help diff --git a/drivers/gpu/drm/loongson/lsdc_drv.c b/drivers/gpu/drm/loongson/lsdc_drv.c index d8ff60b46abe6..adc7344d2f807 100644 --- a/drivers/gpu/drm/loongson/lsdc_drv.c +++ b/drivers/gpu/drm/loongson/lsdc_drv.c @@ -10,7 +10,7 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_ioctl.h> #include <drm/drm_modeset_helper.h> @@ -314,7 +314,7 @@ static int lsdc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) return ret; - drm_fbdev_generic_setup(ddev, 32); + drm_fbdev_ttm_setup(ddev, 32); return 0; } diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index a947e1d5f309a..a58c31089613e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -32,7 +32,7 @@ #include <drm/drm_aperture.h> #include <drm/drm_drv.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> #include <drm/drm_gem_ttm_helper.h> #include <drm/drm_ioctl.h> #include <drm/drm_vblank.h> @@ -846,9 +846,9 @@ static int nouveau_drm_probe(struct pci_dev *pdev, goto fail_drm_dev_init; if (nouveau_drm(drm_dev)->client.device.info.ram_size <= 32 * 1024 * 1024) - drm_fbdev_generic_setup(drm_dev, 8); + drm_fbdev_ttm_setup(drm_dev, 8); else - drm_fbdev_generic_setup(drm_dev, 32); + drm_fbdev_ttm_setup(drm_dev, 32); quirk_broken_nv_runpm(pdev); return 0; diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index beee5563031aa..5eb3f5719fdf3 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -37,7 +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_fbdev_ttm.h> #include <drm/drm_file.h> #include <drm/drm_gem_ttm_helper.h> #include <drm/drm_module.h> @@ -118,7 +118,7 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto modeset_cleanup; - drm_fbdev_generic_setup(&qdev->ddev, 32); + drm_fbdev_ttm_setup(&qdev->ddev, 32); return 0; modeset_cleanup: diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c index c23c9f0cf49cb..2d7ad808cc0e2 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_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> #include <drm/drm_gem_framebuffer_helper.h> @@ -670,7 +670,7 @@ static int bochs_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent if (ret) goto err_hw_fini; - drm_fbdev_generic_setup(dev, 32); + drm_fbdev_ttm_setup(dev, 32); return ret; err_hw_fini: diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c index cd9e66a06596a..ef36834c8673c 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_atomic_helper.h> #include <drm/drm_drv.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> #include <drm/drm_file.h> #include <drm/drm_ioctl.h> #include <drm/drm_managed.h> @@ -80,7 +80,7 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto err_irq_fini; - drm_fbdev_generic_setup(&vbox->ddev, 32); + drm_fbdev_ttm_setup(&vbox->ddev, 32); return 0; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index d3e308fdfd5be..9fcbd640278bb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -36,7 +36,7 @@ #include <drm/drm_aperture.h> #include <drm/drm_drv.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_ttm.h> #include <drm/drm_gem_ttm_helper.h> #include <drm/drm_ioctl.h> #include <drm/drm_module.h> @@ -1676,7 +1676,7 @@ static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent) vmw_fifo_resource_inc(vmw); vmw_svga_enable(vmw); - drm_fbdev_generic_setup(&vmw->drm, 0); + drm_fbdev_ttm_setup(&vmw->drm, 0); vmw_debugfs_gem_init(vmw); vmw_debugfs_resource_managers_init(vmw); diff --git a/include/drm/drm_fbdev_generic.h b/include/drm/drm_fbdev_generic.h deleted file mode 100644 index 75799342098dc..0000000000000 --- a/include/drm/drm_fbdev_generic.h +++ /dev/null @@ -1,15 +0,0 @@ -/* 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 diff --git a/include/drm/drm_fbdev_ttm.h b/include/drm/drm_fbdev_ttm.h new file mode 100644 index 0000000000000..9e6c3bdf35376 --- /dev/null +++ b/include/drm/drm_fbdev_ttm.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: MIT */ + +#ifndef DRM_FBDEV_TTM_H +#define DRM_FBDEV_TTM_H + +struct drm_device; + +#ifdef CONFIG_DRM_FBDEV_EMULATION +void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp); +#else +static inline void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp) +{ } +#endif + +#endif -- 2.44.0