diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_fbdev.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_fbdev.c | 161 |
1 files changed, 46 insertions, 115 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 523be34682ca..f4bd0c6e3f34 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -6,6 +6,7 @@ #include <linux/fb.h> +#include <drm/drm_client_setup.h> #include <drm/drm_drv.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_fb_helper.h> @@ -13,6 +14,7 @@ #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_util.h> #include "omap_drv.h" @@ -26,10 +28,8 @@ module_param_named(ywrap, ywrap_enabled, bool, 0644); * fbdev funcs, to implement legacy fbdev interface on top of drm driver */ -#define to_omap_fbdev(x) container_of(x, struct omap_fbdev, base) - struct omap_fbdev { - struct drm_fb_helper base; + struct drm_device *dev; bool ywrap_enabled; /* for deferred dmm roll when getting called in atomic ctx */ @@ -41,7 +41,7 @@ static struct drm_fb_helper *get_fb(struct fb_info *fbi); static void pan_worker(struct work_struct *work) { struct omap_fbdev *fbdev = container_of(work, struct omap_fbdev, work); - struct drm_fb_helper *helper = &fbdev->base; + struct drm_fb_helper *helper = fbdev->dev->fb_helper; struct fb_info *fbi = helper->info; struct drm_gem_object *bo = drm_gem_fb_get_obj(helper->fb, 0); int npages; @@ -55,24 +55,25 @@ FB_GEN_DEFAULT_DEFERRED_DMAMEM_OPS(omap_fbdev, drm_fb_helper_damage_range, drm_fb_helper_damage_area) -static int omap_fbdev_pan_display(struct fb_var_screeninfo *var, - struct fb_info *fbi) +static int omap_fbdev_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi) { struct drm_fb_helper *helper = get_fb(fbi); - struct omap_fbdev *fbdev = to_omap_fbdev(helper); + struct omap_drm_private *priv; + struct omap_fbdev *fbdev; if (!helper) goto fallback; + priv = helper->dev->dev_private; + fbdev = priv->fbdev; + if (!fbdev->ywrap_enabled) goto fallback; - if (drm_can_sleep()) { + if (drm_can_sleep()) pan_worker(&fbdev->work); - } else { - struct omap_drm_private *priv = helper->dev->dev_private; + else queue_work(priv->wq, &fbdev->work); - } return 0; @@ -92,7 +93,6 @@ static void omap_fbdev_fb_destroy(struct fb_info *info) struct drm_fb_helper *helper = info->par; struct drm_framebuffer *fb = helper->fb; struct drm_gem_object *bo = drm_gem_fb_get_obj(fb, 0); - struct omap_fbdev *fbdev = to_omap_fbdev(helper); DBG(); @@ -104,7 +104,7 @@ static void omap_fbdev_fb_destroy(struct fb_info *info) drm_client_release(&helper->client); drm_fb_helper_unprepare(helper); - kfree(fbdev); + kfree(helper); } /* @@ -125,12 +125,36 @@ static const struct fb_ops omap_fb_ops = { .fb_destroy = omap_fbdev_fb_destroy, }; -static int omap_fbdev_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) +static int omap_fbdev_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip) +{ + if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2)) + return 0; + + if (helper->fb->funcs->dirty) + return helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1); + + return 0; +} + +static const struct drm_fb_helper_funcs omap_fbdev_helper_funcs = { + .fb_dirty = omap_fbdev_dirty, +}; + +static struct drm_fb_helper *get_fb(struct fb_info *fbi) +{ + if (!fbi || strcmp(fbi->fix.id, MODULE_NAME)) { + /* these are not the fb's you're looking for */ + return NULL; + } + return fbi->par; +} + +int omap_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) { - struct omap_fbdev *fbdev = to_omap_fbdev(helper); struct drm_device *dev = helper->dev; struct omap_drm_private *priv = dev->dev_private; + struct omap_fbdev *fbdev = priv->fbdev; struct drm_framebuffer *fb = NULL; union omap_gem_size gsize; struct fb_info *fbi = NULL; @@ -208,6 +232,7 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, DBG("fbi=%p, dev=%p", fbi, dev); + helper->funcs = &omap_fbdev_helper_funcs; helper->fb = fb; fbi->fbops = &omap_fb_ops; @@ -254,115 +279,21 @@ fail: return ret; } -static int omap_fbdev_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip) -{ - if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2)) - return 0; - - if (helper->fb->funcs->dirty) - return helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1); - - return 0; -} - -static const struct drm_fb_helper_funcs omap_fb_helper_funcs = { - .fb_probe = omap_fbdev_create, - .fb_dirty = omap_fbdev_dirty, -}; - -static struct drm_fb_helper *get_fb(struct fb_info *fbi) -{ - if (!fbi || strcmp(fbi->fix.id, MODULE_NAME)) { - /* these are not the fb's you're looking for */ - return NULL; - } - return fbi->par; -} - -/* - * struct drm_client - */ - -static void omap_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_client_release(&fb_helper->client); - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); - } -} - -static int omap_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int omap_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; - - 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 fbdev emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs omap_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = omap_fbdev_client_unregister, - .restore = omap_fbdev_client_restore, - .hotplug = omap_fbdev_client_hotplug, -}; - void omap_fbdev_setup(struct drm_device *dev) { + struct omap_drm_private *priv = dev->dev_private; struct omap_fbdev *fbdev; - struct drm_fb_helper *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"); - fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); + fbdev = drmm_kzalloc(dev, sizeof(*fbdev), GFP_KERNEL); if (!fbdev) return; - helper = &fbdev->base; - - drm_fb_helper_prepare(dev, helper, 32, &omap_fb_helper_funcs); - - ret = drm_client_init(dev, &helper->client, "fbdev", &omap_fbdev_client_funcs); - if (ret) - goto err_drm_client_init; - + fbdev->dev = dev; INIT_WORK(&fbdev->work, pan_worker); - drm_client_register(&helper->client); + priv->fbdev = fbdev; - return; - -err_drm_client_init: - drm_fb_helper_unprepare(helper); - kfree(fbdev); + drm_client_setup(dev, NULL); } |