void mtk_fbdev_destroy(struct drm_device *dev)
{
struct mtk_drm_private *priv =
(struct mtk_drm_private *)dev->dev_private;
struct drm_fb_helper *fbdev = priv->fb_helper;
struct fb_info *info = priv->fb_helper->fbdev;
if (info) {
int err;
err = unregister_framebuffer(info);
if (err < 0)
DRM_DEBUG_KMS("failed to unregister framebuffer\n");
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
if (fbdev->fb) {
drm_framebuffer_unregister_private(fbdev->fb);
mtk_drm_fb_destroy(fbdev->fb);
}
drm_fb_helper_fini(fbdev);
kfree(fbdev);
}
static void intel_fbdev_destroy(struct drm_device *dev,
struct intel_fbdev *ifbdev)
{
#if 0
struct fb_info *info;
#endif
struct intel_framebuffer *ifb = &ifbdev->ifb;
#if 0
if (ifbdev->helper.fbdev) {
info = ifbdev->helper.fbdev;
unregister_framebuffer(info);
iounmap(info->screen_base);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
#endif
drm_fb_helper_fini(&ifbdev->helper);
drm_framebuffer_cleanup(&ifb->base);
if (ifb->obj) {
drm_gem_object_unreference_unlocked(&ifb->obj->base);
ifb->obj = NULL;
}
}
int bochs_fbdev_init(struct bochs_device *bochs)
{
int ret;
drm_fb_helper_prepare(bochs->dev, &bochs->fb.helper,
&bochs_fb_helper_funcs);
ret = drm_fb_helper_init(bochs->dev, &bochs->fb.helper,
1, 1);
if (ret)
return ret;
ret = drm_fb_helper_single_add_all_connectors(&bochs->fb.helper);
if (ret)
goto fini;
drm_helper_disable_unused_functions(bochs->dev);
ret = drm_fb_helper_initial_config(&bochs->fb.helper, 32);
if (ret)
goto fini;
bochs->fb.initialized = true;
return 0;
fini:
drm_fb_helper_fini(&bochs->fb.helper);
return ret;
}
static void hisi_drm_fbdev_fini(struct hisi_drm_fbdev *fbdev)
{
if (fbdev->fb_helper.fbdev) {
struct fb_info *info;
int ret;
info = fbdev->fb_helper.fbdev;
ret = unregister_framebuffer(info);
if (ret < 0)
DRM_DEBUG_KMS("failed unregister_framebuffer()\n");
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
if (fbdev->fb) {
drm_framebuffer_unregister_private(&fbdev->fb->fb);
hisi_drm_fb_destroy(&fbdev->fb->fb);
}
drm_fb_helper_fini(&fbdev->fb_helper);
kfree(fbdev);
}
static int bochs_fbdev_destroy(struct bochs_device *bochs)
{
struct bochs_framebuffer *gfb = &bochs->fb.gfb;
struct fb_info *info;
DRM_DEBUG_DRIVER("\n");
if (bochs->fb.helper.fbdev) {
info = bochs->fb.helper.fbdev;
unregister_framebuffer(info);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
if (gfb->obj) {
drm_gem_object_unreference_unlocked(gfb->obj);
gfb->obj = NULL;
}
drm_fb_helper_fini(&bochs->fb.helper);
drm_framebuffer_unregister_private(&gfb->base);
drm_framebuffer_cleanup(&gfb->base);
return 0;
}
static int tegra_fbdev_init(struct tegra_fbdev *fbdev,
unsigned int preferred_bpp,
unsigned int num_crtc,
unsigned int max_connectors)
{
struct drm_device *drm = fbdev->base.dev;
int err;
err = drm_fb_helper_init(drm, &fbdev->base, max_connectors);
if (err < 0) {
dev_err(drm->dev, "failed to initialize DRM FB helper: %d\n",
err);
return err;
}
err = drm_fb_helper_single_add_all_connectors(&fbdev->base);
if (err < 0) {
dev_err(drm->dev, "failed to add connectors: %d\n", err);
goto fini;
}
err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp);
if (err < 0) {
dev_err(drm->dev, "failed to set initial configuration: %d\n",
err);
goto fini;
}
return 0;
fini:
drm_fb_helper_fini(&fbdev->base);
return err;
}
static void tegra_fbdev_free(struct tegra_fbdev *fbdev)
{
struct fb_info *info = fbdev->base.fbdev;
if (info) {
int err;
err = unregister_framebuffer(info);
if (err < 0)
DRM_DEBUG_KMS("failed to unregister framebuffer\n");
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
if (fbdev->fb) {
drm_framebuffer_unregister_private(&fbdev->fb->base);
tegra_fb_destroy(&fbdev->fb->base);
}
drm_fb_helper_fini(&fbdev->base);
kfree(fbdev);
}
static void tegra_fbdev_exit(struct tegra_fbdev *fbdev)
{
drm_fb_helper_unregister_fbi(&fbdev->base);
if (fbdev->fb)
drm_framebuffer_remove(&fbdev->fb->base);
drm_fb_helper_fini(&fbdev->base);
tegra_fbdev_free(fbdev);
}
static void udl_fbdev_destroy(struct drm_device *dev,
struct udl_fbdev *ufbdev)
{
drm_fb_helper_unregister_fbi(&ufbdev->helper);
drm_fb_helper_release_fbi(&ufbdev->helper);
drm_fb_helper_fini(&ufbdev->helper);
drm_framebuffer_unregister_private(&ufbdev->ufb.base);
drm_framebuffer_cleanup(&ufbdev->ufb.base);
drm_gem_object_unreference_unlocked(&ufbdev->ufb.obj->base);
}
static void hibmc_fbdev_destroy(struct hibmc_fbdev *fbdev)
{
struct hibmc_framebuffer *gfb = fbdev->fb;
struct drm_fb_helper *fbh = &fbdev->helper;
drm_fb_helper_unregister_fbi(fbh);
drm_fb_helper_fini(fbh);
if (gfb)
drm_framebuffer_put(&gfb->fb);
}
static struct hisi_drm_fbdev *hisi_drm_fbdev_create(struct drm_device *dev,
unsigned int preferred_bpp, unsigned int num_crtc,
unsigned int max_conn_count)
{
struct hisi_drm_fbdev *fbdev;
struct drm_fb_helper *helper;
int ret;
DRM_DEBUG_DRIVER("enter, dev=%p, preferred_bpp=%d, num_crtc=%d .\n",
dev, preferred_bpp, num_crtc);
fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
if (!fbdev) {
dev_err(dev->dev, "Failed to allocate drm fbdev.\n");
return ERR_PTR(-ENOMEM);
}
helper = &fbdev->fb_helper;
drm_fb_helper_prepare(dev, helper, &hisi_fb_helper_funcs);
ret = drm_fb_helper_init(dev, helper, num_crtc, max_conn_count);
if (ret < 0) {
dev_err(dev->dev, "Failed to initialize drm fb helper.\n");
goto err_free;
}
ret = drm_fb_helper_single_add_all_connectors(helper);
if (ret < 0) {
dev_err(dev->dev, "Failed to add connectors.\n");
goto err_drm_fb_helper_fini;
}
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);
ret = drm_fb_helper_initial_config(helper, preferred_bpp);
if (ret < 0) {
dev_err(dev->dev, "Failed to set initial hw configuration.\n");
goto err_drm_fb_helper_fini;
}
DRM_DEBUG_DRIVER("exit successfully.\n");
return fbdev;
err_drm_fb_helper_fini:
drm_fb_helper_fini(helper);
err_free:
kfree(fbdev);
return ERR_PTR(ret);
}
int radeon_fbdev_init(struct radeon_device *rdev)
{
struct radeon_fbdev *rfbdev;
int bpp_sel = 32;
int ret;
/* don't enable fbdev if no connectors */
if (list_empty(&rdev->ddev->mode_config.connector_list))
return 0;
/* select 8 bpp console on 8MB cards, or 16 bpp on RN50 or 32MB */
if (rdev->mc.real_vram_size <= (8*1024*1024))
bpp_sel = 8;
else if (ASIC_IS_RN50(rdev) ||
rdev->mc.real_vram_size <= (32*1024*1024))
bpp_sel = 16;
rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
if (!rfbdev)
return -ENOMEM;
rfbdev->rdev = rdev;
rdev->mode_info.rfbdev = rfbdev;
drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper,
&radeon_fb_helper_funcs);
ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
RADEONFB_CONN_LIMIT);
if (ret)
goto free;
ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
if (ret)
goto fini;
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(rdev->ddev);
ret = drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
if (ret)
goto fini;
return 0;
fini:
drm_fb_helper_fini(&rfbdev->helper);
free:
kfree(rfbdev);
return ret;
}
static int virtio_gpu_fbdev_destroy(struct drm_device *dev,
struct virtio_gpu_fbdev *vgfbdev)
{
struct virtio_gpu_framebuffer *vgfb = &vgfbdev->vgfb;
drm_fb_helper_unregister_fbi(&vgfbdev->helper);
if (vgfb->base.obj[0])
vgfb->base.obj[0] = NULL;
drm_fb_helper_fini(&vgfbdev->helper);
drm_framebuffer_cleanup(&vgfb->base);
return 0;
}
static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
{
struct drm_framebuffer *fb = &rfbdev->fb;
drm_fb_helper_unregister_fbi(&rfbdev->helper);
if (fb->obj[0]) {
radeonfb_destroy_pinned_object(fb->obj[0]);
fb->obj[0] = NULL;
drm_framebuffer_unregister_private(fb);
drm_framebuffer_cleanup(fb);
}
drm_fb_helper_fini(&rfbdev->helper);
return 0;
}
static int amdgpu_fbdev_destroy(struct drm_device *dev, struct amdgpu_fbdev *rfbdev)
{
struct amdgpu_framebuffer *rfb = &rfbdev->rfb;
drm_fb_helper_unregister_fbi(&rfbdev->helper);
if (rfb->obj) {
amdgpufb_destroy_pinned_object(rfb->obj);
rfb->obj = NULL;
}
drm_fb_helper_fini(&rfbdev->helper);
drm_framebuffer_unregister_private(&rfb->base);
drm_framebuffer_cleanup(&rfb->base);
return 0;
}
static int qxl_fbdev_destroy(struct drm_device *dev, struct qxl_fbdev *qfbdev)
{
struct qxl_framebuffer *qfb = &qfbdev->qfb;
drm_fb_helper_unregister_fbi(&qfbdev->helper);
drm_fb_helper_release_fbi(&qfbdev->helper);
if (qfb->obj) {
qxlfb_destroy_pinned_object(qfb->obj);
qfb->obj = NULL;
}
drm_fb_helper_fini(&qfbdev->helper);
vfree(qfbdev->shadow);
drm_framebuffer_cleanup(&qfb->base);
return 0;
}
void armada_fbdev_fini(struct drm_device *dev)
{
struct armada_private *priv = dev->dev_private;
struct drm_fb_helper *fbh = priv->fbdev;
if (fbh) {
drm_fb_helper_unregister_fbi(fbh);
drm_fb_helper_release_fbi(fbh);
drm_fb_helper_fini(fbh);
if (fbh->fb)
fbh->fb->funcs->destroy(fbh->fb);
priv->fbdev = NULL;
}
}
static void intel_fbdev_destroy(struct drm_device *dev,
struct intel_fbdev *ifbdev)
{
if (ifbdev->helper.fbdev) {
struct fb_info *info = ifbdev->helper.fbdev;
unregister_framebuffer(info);
iounmap(info->screen_base);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
drm_fb_helper_fini(&ifbdev->helper);
drm_framebuffer_unregister_private(&ifbdev->ifb.base);
intel_framebuffer_fini(&ifbdev->ifb);
}
static void evdi_fbdev_destroy(__always_unused struct drm_device *dev,
struct evdi_fbdev *ufbdev)
{
struct fb_info *info;
if (ufbdev->helper.fbdev) {
info = ufbdev->helper.fbdev;
unregister_framebuffer(info);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
drm_fb_helper_fini(&ufbdev->helper);
drm_framebuffer_unregister_private(&ufbdev->ufb.base);
drm_framebuffer_cleanup(&ufbdev->ufb.base);
drm_gem_object_unreference_unlocked(&ufbdev->ufb.obj->base);
}
static void tegra_fbdev_exit(struct tegra_fbdev *fbdev)
{
drm_fb_helper_unregister_fbi(&fbdev->base);
if (fbdev->fb) {
struct tegra_bo *bo = tegra_fb_get_plane(fbdev->fb, 0);
/* Undo the special mapping we made in fbdev probe. */
if (bo && bo->pages) {
vunmap(bo->vaddr);
bo->vaddr = NULL;
}
drm_framebuffer_remove(fbdev->fb);
}
drm_fb_helper_fini(&fbdev->base);
tegra_fbdev_free(fbdev);
}
static int bochs_fbdev_destroy(struct bochs_device *bochs)
{
struct bochs_framebuffer *gfb = &bochs->fb.gfb;
DRM_DEBUG_DRIVER("\n");
drm_fb_helper_unregister_fbi(&bochs->fb.helper);
drm_fb_helper_release_fbi(&bochs->fb.helper);
if (gfb->obj) {
drm_gem_object_unreference_unlocked(gfb->obj);
gfb->obj = NULL;
}
drm_fb_helper_fini(&bochs->fb.helper);
drm_framebuffer_unregister_private(&gfb->base);
drm_framebuffer_cleanup(&gfb->base);
return 0;
}
int armada_fbdev_init(struct drm_device *dev)
{
struct armada_private *priv = dev->dev_private;
struct drm_fb_helper *fbh;
int ret;
fbh = devm_kzalloc(dev->dev, sizeof(*fbh), GFP_KERNEL);
if (!fbh)
return -ENOMEM;
priv->fbdev = fbh;
drm_fb_helper_prepare(dev, fbh, &armada_fb_helper_funcs);
ret = drm_fb_helper_init(dev, fbh, 1, 1);
if (ret) {
DRM_ERROR("failed to initialize drm fb helper\n");
goto err_fb_helper;
}
ret = drm_fb_helper_single_add_all_connectors(fbh);
if (ret) {
DRM_ERROR("failed to add fb connectors\n");
goto err_fb_setup;
}
ret = drm_fb_helper_initial_config(fbh, 32);
if (ret) {
DRM_ERROR("failed to set initial config\n");
goto err_fb_setup;
}
return 0;
err_fb_setup:
drm_fb_helper_release_fbi(fbh);
drm_fb_helper_fini(fbh);
err_fb_helper:
priv->fbdev = NULL;
return ret;
}
int qxl_fbdev_init(struct qxl_device *qdev)
{
struct qxl_fbdev *qfbdev;
int bpp_sel = 32; /* TODO: parameter from somewhere? */
int ret;
qfbdev = kzalloc(sizeof(struct qxl_fbdev), GFP_KERNEL);
if (!qfbdev)
return -ENOMEM;
qfbdev->qdev = qdev;
qdev->mode_info.qfbdev = qfbdev;
spin_lock_init(&qfbdev->delayed_ops_lock);
INIT_LIST_HEAD(&qfbdev->delayed_ops);
drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper,
&qxl_fb_helper_funcs);
ret = drm_fb_helper_init(qdev->ddev, &qfbdev->helper,
qxl_num_crtc /* num_crtc - QXL supports just 1 */,
QXLFB_CONN_LIMIT);
if (ret)
goto free;
ret = drm_fb_helper_single_add_all_connectors(&qfbdev->helper);
if (ret)
goto fini;
ret = drm_fb_helper_initial_config(&qfbdev->helper, bpp_sel);
if (ret)
goto fini;
return 0;
fini:
drm_fb_helper_fini(&qfbdev->helper);
free:
kfree(qfbdev);
return ret;
}
int mtk_fbdev_create(struct drm_device *dev)
{
struct mtk_drm_private *priv =
(struct mtk_drm_private *)dev->dev_private;
struct drm_fb_helper *fbdev;
int ret;
fbdev = devm_kzalloc(dev->dev, sizeof(*fbdev), GFP_KERNEL);
if (!fbdev)
return -ENOMEM;
drm_fb_helper_prepare(dev, fbdev, &mediatek_drm_fb_helper_funcs);
ret = drm_fb_helper_init(dev, fbdev, dev->mode_config.num_crtc,
dev->mode_config.num_connector);
if (ret) {
dev_err(dev->dev, "failed to initialize DRM FB helper\n");
goto fini;
}
ret = drm_fb_helper_single_add_all_connectors(fbdev);
if (ret) {
dev_err(dev->dev, "failed to add connectors\n");
goto fini;
}
ret = drm_fb_helper_initial_config(fbdev, FBDEV_BPP);
if (ret) {
dev_err(dev->dev, "failed to set initial configuration\n");
goto fini;
}
priv->fb_helper = fbdev;
return 0;
fini:
drm_fb_helper_fini(fbdev);
return ret;
}
static int
nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
{
struct nouveau_framebuffer *nouveau_fb = &nfbdev->nouveau_fb;
struct fb_info *info;
if (nfbdev->helper.fbdev) {
info = nfbdev->helper.fbdev;
unregister_framebuffer(info);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
if (nouveau_fb->nvbo) {
drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
nouveau_fb->nvbo = NULL;
}
drm_fb_helper_fini(&nfbdev->helper);
drm_framebuffer_cleanup(&nouveau_fb->base);
return 0;
}
int udl_fbdev_init(struct drm_device *dev)
{
struct udl_device *udl = dev->dev_private;
int bpp_sel = fb_bpp;
struct udl_fbdev *ufbdev;
int ret;
ufbdev = kzalloc(sizeof(struct udl_fbdev), GFP_KERNEL);
if (!ufbdev)
return -ENOMEM;
udl->fbdev = ufbdev;
drm_fb_helper_prepare(dev, &ufbdev->helper, &udl_fb_helper_funcs);
ret = drm_fb_helper_init(dev, &ufbdev->helper,
1, 1);
if (ret)
goto free;
ret = drm_fb_helper_single_add_all_connectors(&ufbdev->helper);
if (ret)
goto fini;
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);
ret = drm_fb_helper_initial_config(&ufbdev->helper, bpp_sel);
if (ret)
goto fini;
return 0;
fini:
drm_fb_helper_fini(&ufbdev->helper);
free:
kfree(ufbdev);
return ret;
}
static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
{
struct fb_info *info;
struct radeon_framebuffer *rfb = &rfbdev->rfb;
if (rfbdev->helper.fbdev) {
info = rfbdev->helper.fbdev;
unregister_framebuffer(info);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
if (rfb->obj) {
radeonfb_destroy_pinned_object(rfb->obj);
rfb->obj = NULL;
}
drm_fb_helper_fini(&rfbdev->helper);
drm_framebuffer_unregister_private(&rfb->base);
drm_framebuffer_cleanup(&rfb->base);
return 0;
}
int evdi_fbdev_init(struct drm_device *dev)
{
struct evdi_device *evdi;
struct evdi_fbdev *ufbdev;
int ret;
evdi = dev->dev_private;
ufbdev = kzalloc(sizeof(struct evdi_fbdev), GFP_KERNEL);
if (!ufbdev)
return -ENOMEM;
evdi->fbdev = ufbdev;
#if KERNEL_VERSION(3, 17, 0) <= LINUX_VERSION_CODE
drm_fb_helper_prepare(dev, &ufbdev->helper, &evdi_fb_helper_funcs);
#else
ufbdev->helper.funcs = &evdi_fb_helper_funcs;
#endif
ret = drm_fb_helper_init(dev, &ufbdev->helper, 1, 1);
if (ret) {
kfree(ufbdev);
return ret;
}
drm_fb_helper_single_add_all_connectors(&ufbdev->helper);
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);
ret = drm_fb_helper_initial_config(&ufbdev->helper, 32);
if (ret) {
drm_fb_helper_fini(&ufbdev->helper);
kfree(ufbdev);
}
return ret;
}
int hibmc_fbdev_init(struct hibmc_drm_private *priv)
{
int ret;
struct fb_var_screeninfo *var;
struct fb_fix_screeninfo *fix;
struct hibmc_fbdev *hifbdev;
hifbdev = devm_kzalloc(priv->dev->dev, sizeof(*hifbdev), GFP_KERNEL);
if (!hifbdev) {
DRM_ERROR("failed to allocate hibmc_fbdev\n");
return -ENOMEM;
}
priv->fbdev = hifbdev;
drm_fb_helper_prepare(priv->dev, &hifbdev->helper,
&hibmc_fbdev_helper_funcs);
/* Now just one crtc and one channel */
ret = drm_fb_helper_init(priv->dev, &hifbdev->helper, 1);
if (ret) {
DRM_ERROR("failed to initialize fb helper: %d\n", ret);
return ret;
}
ret = drm_fb_helper_single_add_all_connectors(&hifbdev->helper);
if (ret) {
DRM_ERROR("failed to add all connectors: %d\n", ret);
goto fini;
}
ret = drm_fb_helper_initial_config(&hifbdev->helper, 16);
if (ret) {
DRM_ERROR("failed to setup initial conn config: %d\n", ret);
goto fini;
}
var = &hifbdev->helper.fbdev->var;
fix = &hifbdev->helper.fbdev->fix;
DRM_DEBUG_DRIVER("Member of info->var is :\n"
"xres=%d\n"
"yres=%d\n"
"xres_virtual=%d\n"
"yres_virtual=%d\n"
"xoffset=%d\n"
"yoffset=%d\n"
"bits_per_pixel=%d\n"
"...\n", var->xres, var->yres, var->xres_virtual,
var->yres_virtual, var->xoffset, var->yoffset,
var->bits_per_pixel);
DRM_DEBUG_DRIVER("Member of info->fix is :\n"
"smem_start=%lx\n"
"smem_len=%d\n"
"type=%d\n"
"type_aux=%d\n"
"visual=%d\n"
"xpanstep=%d\n"
"ypanstep=%d\n"
"ywrapstep=%d\n"
"line_length=%d\n"
"accel=%d\n"
"capabilities=%d\n"
"...\n", fix->smem_start, fix->smem_len, fix->type,
fix->type_aux, fix->visual, fix->xpanstep,
fix->ypanstep, fix->ywrapstep, fix->line_length,
fix->accel, fix->capabilities);
return 0;
fini:
drm_fb_helper_fini(&hifbdev->helper);
return ret;
}
