diff options
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 4a7f72044ab8..29c3c7bb7d67 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -75,9 +75,6 @@ MODULE_PARM_DESC(drm_leak_fbdev_smem, "Allow unsafe leaking fbdev physical smem address [default=false]"); #endif -static LIST_HEAD(kernel_fb_helper_list); -static DEFINE_MUTEX(kernel_fb_helper_lock); - /** * DOC: fbdev helpers * @@ -115,101 +112,6 @@ static DEFINE_MUTEX(kernel_fb_helper_lock); * mmap page writes. */ -static void drm_fb_helper_restore_lut_atomic(struct drm_crtc *crtc) -{ - uint16_t *r_base, *g_base, *b_base; - - if (crtc->funcs->gamma_set == NULL) - return; - - r_base = crtc->gamma_store; - g_base = r_base + crtc->gamma_size; - b_base = g_base + crtc->gamma_size; - - crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, - crtc->gamma_size, NULL); -} - -/** - * drm_fb_helper_debug_enter - implementation for &fb_ops.fb_debug_enter - * @info: fbdev registered by the helper - */ -int drm_fb_helper_debug_enter(struct fb_info *info) -{ - struct drm_fb_helper *helper = info->par; - const struct drm_crtc_helper_funcs *funcs; - struct drm_mode_set *mode_set; - - list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { - mutex_lock(&helper->client.modeset_mutex); - drm_client_for_each_modeset(mode_set, &helper->client) { - if (!mode_set->crtc->enabled) - continue; - - funcs = mode_set->crtc->helper_private; - if (funcs->mode_set_base_atomic == NULL) - continue; - - if (drm_drv_uses_atomic_modeset(mode_set->crtc->dev)) - continue; - - funcs->mode_set_base_atomic(mode_set->crtc, - mode_set->fb, - mode_set->x, - mode_set->y, - ENTER_ATOMIC_MODE_SET); - } - mutex_unlock(&helper->client.modeset_mutex); - } - - return 0; -} -EXPORT_SYMBOL(drm_fb_helper_debug_enter); - -/** - * drm_fb_helper_debug_leave - implementation for &fb_ops.fb_debug_leave - * @info: fbdev registered by the helper - */ -int drm_fb_helper_debug_leave(struct fb_info *info) -{ - struct drm_fb_helper *helper = info->par; - struct drm_client_dev *client = &helper->client; - struct drm_device *dev = helper->dev; - struct drm_crtc *crtc; - const struct drm_crtc_helper_funcs *funcs; - struct drm_mode_set *mode_set; - struct drm_framebuffer *fb; - - mutex_lock(&client->modeset_mutex); - drm_client_for_each_modeset(mode_set, client) { - crtc = mode_set->crtc; - if (drm_drv_uses_atomic_modeset(crtc->dev)) - continue; - - funcs = crtc->helper_private; - fb = crtc->primary->fb; - - if (!crtc->enabled) - continue; - - if (!fb) { - drm_err(dev, "no fb to restore?\n"); - continue; - } - - if (funcs->mode_set_base_atomic == NULL) - continue; - - drm_fb_helper_restore_lut_atomic(mode_set->crtc); - funcs->mode_set_base_atomic(mode_set->crtc, fb, crtc->x, - crtc->y, LEAVE_ATOMIC_MODE_SET); - } - mutex_unlock(&client->modeset_mutex); - - return 0; -} -EXPORT_SYMBOL(drm_fb_helper_debug_leave); - static int __drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper, bool force) @@ -397,7 +299,6 @@ void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, if (!preferred_bpp) preferred_bpp = 32; - INIT_LIST_HEAD(&helper->kernel_fb_list); spin_lock_init(&helper->damage_lock); INIT_WORK(&helper->resume_work, drm_fb_helper_resume_worker); INIT_WORK(&helper->damage_work, drm_fb_helper_damage_work); @@ -534,11 +435,6 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) drm_fb_helper_release_info(fb_helper); - mutex_lock(&kernel_fb_helper_lock); - if (!list_empty(&fb_helper->kernel_fb_list)) - list_del(&fb_helper->kernel_fb_list); - mutex_unlock(&kernel_fb_helper_lock); - if (!fb_helper->client.funcs) drm_client_release(&fb_helper->client); } @@ -1766,10 +1662,6 @@ __drm_fb_helper_initial_config_and_unlock(struct drm_fb_helper *fb_helper) drm_info(dev, "fb%d: %s frame buffer device\n", info->node, info->fix.id); - mutex_lock(&kernel_fb_helper_lock); - list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list); - mutex_unlock(&kernel_fb_helper_lock); - return 0; err_drm_fb_helper_release_info: |