diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/fbdev.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/fbdev.c | 168 |
1 files changed, 13 insertions, 155 deletions
diff --git a/drivers/gpu/drm/gma500/fbdev.c b/drivers/gpu/drm/gma500/fbdev.c index 98b44974d42d..c26926babc2a 100644 --- a/drivers/gpu/drm/gma500/fbdev.c +++ b/drivers/gpu/drm/gma500/fbdev.c @@ -6,7 +6,6 @@ **************************************************************************/ #include <linux/fb.h> -#include <linux/pfn_t.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_drv.h> @@ -33,7 +32,7 @@ static vm_fault_t psb_fbdev_vm_fault(struct vm_fault *vmf) vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); for (i = 0; i < page_num; ++i) { - err = vmf_insert_mixed(vma, address, __pfn_to_pfn_t(pfn, PFN_DEV)); + err = vmf_insert_mixed(vma, address, pfn); if (unlikely(err & VM_FAULT_ERROR)) break; address += PAGE_SIZE; @@ -51,48 +50,6 @@ static const struct vm_operations_struct psb_fbdev_vm_ops = { * struct fb_ops */ -#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) - -static int psb_fbdev_fb_setcolreg(unsigned int regno, - unsigned int red, unsigned int green, - unsigned int blue, unsigned int transp, - struct fb_info *info) -{ - struct drm_fb_helper *fb_helper = info->par; - struct drm_framebuffer *fb = fb_helper->fb; - uint32_t v; - - if (!fb) - return -ENOMEM; - - if (regno > 255) - return 1; - - red = CMAP_TOHW(red, info->var.red.length); - blue = CMAP_TOHW(blue, info->var.blue.length); - green = CMAP_TOHW(green, info->var.green.length); - transp = CMAP_TOHW(transp, info->var.transp.length); - - v = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset) | - (transp << info->var.transp.offset); - - if (regno < 16) { - switch (fb->format->cpp[0] * 8) { - case 16: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - case 24: - case 32: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - } - } - - return 0; -} - static int psb_fbdev_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) { if (vma->vm_pgoff != 0) @@ -121,39 +78,37 @@ static void psb_fbdev_fb_destroy(struct fb_info *info) drm_fb_helper_fini(fb_helper); drm_framebuffer_unregister_private(fb); - fb->obj[0] = NULL; drm_framebuffer_cleanup(fb); kfree(fb); drm_gem_object_put(obj); drm_client_release(&fb_helper->client); - - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); } static const struct fb_ops psb_fbdev_fb_ops = { .owner = THIS_MODULE, __FB_DEFAULT_IOMEM_OPS_RDWR, DRM_FB_HELPER_DEFAULT_OPS, - .fb_setcolreg = psb_fbdev_fb_setcolreg, __FB_DEFAULT_IOMEM_OPS_DRAW, .fb_mmap = psb_fbdev_fb_mmap, .fb_destroy = psb_fbdev_fb_destroy, }; +static const struct drm_fb_helper_funcs psb_fbdev_fb_helper_funcs = { +}; + /* - * struct drm_fb_helper_funcs + * struct drm_driver */ -static int psb_fbdev_fb_probe(struct drm_fb_helper *fb_helper, - struct drm_fb_helper_surface_size *sizes) +int psb_fbdev_driver_fbdev_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes) { struct drm_device *dev = fb_helper->dev; struct drm_psb_private *dev_priv = to_drm_psb_private(dev); struct pci_dev *pdev = to_pci_dev(dev->dev); - struct fb_info *info; + struct fb_info *info = fb_helper->info; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd = { }; int size; @@ -200,20 +155,18 @@ static int psb_fbdev_fb_probe(struct drm_fb_helper *fb_helper, return PTR_ERR(backing); obj = &backing->base; - fb = psb_framebuffer_create(dev, &mode_cmd, obj); + fb = psb_framebuffer_create(dev, + drm_get_format_info(dev, mode_cmd.pixel_format, + mode_cmd.modifier[0]), + &mode_cmd, obj); if (IS_ERR(fb)) { ret = PTR_ERR(fb); goto err_drm_gem_object_put; } + fb_helper->funcs = &psb_fbdev_fb_helper_funcs; fb_helper->fb = fb; - info = drm_fb_helper_alloc_info(fb_helper); - if (IS_ERR(info)) { - ret = PTR_ERR(info); - goto err_drm_framebuffer_unregister_private; - } - info->fbops = &psb_fbdev_fb_ops; /* Accessed stolen memory directly */ @@ -237,102 +190,7 @@ static int psb_fbdev_fb_probe(struct drm_fb_helper *fb_helper, return 0; -err_drm_framebuffer_unregister_private: - drm_framebuffer_unregister_private(fb); - fb->obj[0] = NULL; - drm_framebuffer_cleanup(fb); - kfree(fb); err_drm_gem_object_put: drm_gem_object_put(obj); return ret; } - -static const struct drm_fb_helper_funcs psb_fbdev_fb_helper_funcs = { - .fb_probe = psb_fbdev_fb_probe, -}; - -/* - * struct drm_client_funcs and setup code - */ - -static void psb_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_fb_helper_unregister_info(fb_helper); - } else { - drm_fb_helper_unprepare(fb_helper); - drm_client_release(&fb_helper->client); - kfree(fb_helper); - } -} - -static int psb_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int psb_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; - - 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, "Failed to setup gma500 fbdev emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs psb_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = psb_fbdev_client_unregister, - .restore = psb_fbdev_client_restore, - .hotplug = psb_fbdev_client_hotplug, -}; - -void psb_fbdev_setup(struct drm_psb_private *dev_priv) -{ - struct drm_device *dev = &dev_priv->dev; - struct drm_fb_helper *fb_helper; - int ret; - - fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); - if (!fb_helper) - return; - drm_fb_helper_prepare(dev, fb_helper, 32, &psb_fbdev_fb_helper_funcs); - - ret = drm_client_init(dev, &fb_helper->client, "fbdev-gma500", &psb_fbdev_client_funcs); - if (ret) { - drm_err(dev, "Failed to register client: %d\n", ret); - goto err_drm_fb_helper_unprepare; - } - - drm_client_register(&fb_helper->client); - - return; - -err_drm_fb_helper_unprepare: - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); -} |
