* David Airlie
*/
-#include <linux/async.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/vga_switcheroo.h>
#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_framebuffer_helper.h>
struct intel_framebuffer *fb;
struct i915_vma *vma;
unsigned long vma_flags;
- async_cookie_t cookie;
int preferred_bpp;
/* Whether or not fbdev hpd processing is temporarily suspended */
return i915_gem_fb_mmap(obj, vma);
}
+static void intel_fbdev_fb_destroy(struct fb_info *info)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct intel_fbdev *ifbdev = container_of(fb_helper, struct intel_fbdev, helper);
+
+ drm_fb_helper_fini(&ifbdev->helper);
+
+ /*
+ * We rely on the object-free to release the VMA pinning for
+ * the info->screen_base mmaping. Leaking the VMA is simpler than
+ * trying to rectify all the possible error paths leading here.
+ */
+ intel_unpin_fb_vma(ifbdev->vma, ifbdev->vma_flags);
+ drm_framebuffer_remove(&ifbdev->fb->base);
+
+ drm_client_release(&fb_helper->client);
+ drm_fb_helper_unprepare(&ifbdev->helper);
+ kfree(ifbdev);
+}
+
__diag_push();
__diag_ignore_all("-Woverride-init", "Allow field initialization overrides for fb ops");
.fb_pan_display = intel_fbdev_pan_display,
__FB_DEFAULT_DEFERRED_OPS_DRAW(intel_fbdev),
.fb_mmap = intel_fbdev_mmap,
+ .fb_destroy = intel_fbdev_fb_destroy,
};
__diag_pop();
struct intel_framebuffer *intel_fb = ifbdev->fb;
struct drm_device *dev = helper->dev;
struct drm_i915_private *dev_priv = to_i915(dev);
- struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
const struct i915_gtt_view view = {
.type = I915_GTT_VIEW_NORMAL,
};
ifbdev->vma_flags = flags;
intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
- vga_switcheroo_client_fb_set(pdev, info);
+
return 0;
out_unpin:
.fb_dirty = intelfb_dirty,
};
-static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
-{
- /* We rely on the object-free to release the VMA pinning for
- * the info->screen_base mmaping. Leaking the VMA is simpler than
- * trying to rectify all the possible error paths leading here.
- */
-
- drm_fb_helper_fini(&ifbdev->helper);
-
- if (ifbdev->vma)
- intel_unpin_fb_vma(ifbdev->vma, ifbdev->vma_flags);
-
- if (ifbdev->fb)
- drm_framebuffer_remove(&ifbdev->fb->base);
-
- drm_client_release(&ifbdev->helper.client);
- drm_fb_helper_unprepare(&ifbdev->helper);
- kfree(ifbdev);
-}
-
/*
* Build an intel_fbdev struct using a BIOS allocated framebuffer, if possible.
* The core display code will have read out the current plane configuration,
true);
}
-static void intel_fbdev_sync(struct intel_fbdev *ifbdev)
-{
- if (!ifbdev->cookie)
- return;
-
- /* Only serialises with all preceding async calls, hence +1 */
- async_synchronize_cookie(ifbdev->cookie + 1);
- ifbdev->cookie = 0;
-}
-
/* Suspends/resumes fbdev processing of incoming HPD events. When resuming HPD
* processing, fbdev will perform a full connector reprobe if a hotplug event
* was received while HPD was suspended.
if (!ifbdev)
return -EINVAL;
- intel_fbdev_sync(ifbdev);
-
mutex_lock(&ifbdev->hpd_lock);
send_hpd = !ifbdev->hpd_suspended;
ifbdev->hpd_waiting = true;
if (!ifbdev)
return -EINVAL;
- intel_fbdev_sync(ifbdev);
if (!ifbdev->vma)
return -ENOMEM;
*/
static void intel_fbdev_client_unregister(struct drm_client_dev *client)
-{ }
+{
+ struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
+ struct drm_device *dev = fb_helper->dev;
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+
+ if (fb_helper->info) {
+ vga_switcheroo_client_fb_set(pdev, NULL);
+ 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 intel_fbdev_client_restore(struct drm_client_dev *client)
{
static int intel_fbdev_client_hotplug(struct drm_client_dev *client)
{
- return intel_fbdev_output_poll_changed(client->dev);
+ struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
+ struct drm_device *dev = client->dev;
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+ int ret;
+
+ if (dev->fb_helper)
+ return intel_fbdev_output_poll_changed(dev);
+
+ 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;
+
+ vga_switcheroo_client_fb_set(pdev, fb_helper->info);
+
+ return 0;
+
+err_drm_fb_helper_fini:
+ drm_fb_helper_fini(fb_helper);
+err_drm_err:
+ drm_err(dev, "Failed to setup i915 fbdev emulation (ret=%d)\n", ret);
+ return ret;
}
static const struct drm_client_funcs intel_fbdev_client_funcs = {
.hotplug = intel_fbdev_client_hotplug,
};
-int intel_fbdev_init(struct drm_device *dev)
+void intel_fbdev_setup(struct drm_i915_private *i915)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_device *dev = &i915->drm;
struct intel_fbdev *ifbdev;
int ret;
- if (drm_WARN_ON(dev, !HAS_DISPLAY(dev_priv)))
- return -ENODEV;
+ if (!HAS_DISPLAY(i915))
+ return;
ifbdev = kzalloc(sizeof(*ifbdev), GFP_KERNEL);
if (!ifbdev)
- return -ENOMEM;
-
- mutex_init(&ifbdev->hpd_lock);
+ return;
drm_fb_helper_prepare(dev, &ifbdev->helper, 32, &intel_fb_helper_funcs);
+ i915->display.fbdev.fbdev = ifbdev;
+ INIT_WORK(&i915->display.fbdev.suspend_work, intel_fbdev_suspend_worker);
+ mutex_init(&ifbdev->hpd_lock);
if (intel_fbdev_init_bios(dev, ifbdev))
ifbdev->helper.preferred_bpp = ifbdev->preferred_bpp;
else
ret = drm_client_init(dev, &ifbdev->helper.client, "intel-fbdev",
&intel_fbdev_client_funcs);
- if (ret)
+ if (ret) {
+ drm_err(dev, "Failed to register client: %d\n", ret);
goto err_drm_fb_helper_unprepare;
+ }
- ret = drm_fb_helper_init(dev, &ifbdev->helper);
- if (ret)
- goto err_drm_client_release;
-
- dev_priv->display.fbdev.fbdev = ifbdev;
- INIT_WORK(&dev_priv->display.fbdev.suspend_work, intel_fbdev_suspend_worker);
+ drm_client_register(&ifbdev->helper.client);
- return 0;
+ return;
-err_drm_client_release:
- drm_client_release(&ifbdev->helper.client);
err_drm_fb_helper_unprepare:
drm_fb_helper_unprepare(&ifbdev->helper);
+ mutex_destroy(&ifbdev->hpd_lock);
kfree(ifbdev);
- return ret;
-}
-
-static void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
-{
- struct intel_fbdev *ifbdev = data;
-
- /* Due to peculiar init order wrt to hpd handling this is separate. */
- if (drm_fb_helper_initial_config(&ifbdev->helper))
- intel_fbdev_unregister(to_i915(ifbdev->helper.dev));
-}
-
-void intel_fbdev_initial_config_async(struct drm_i915_private *dev_priv)
-{
- struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev;
-
- if (!ifbdev)
- return;
-
- ifbdev->cookie = async_schedule(intel_fbdev_initial_config, ifbdev);
-}
-
-void intel_fbdev_unregister(struct drm_i915_private *dev_priv)
-{
- struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev;
-
- if (!ifbdev)
- return;
-
- intel_fbdev_set_suspend(&dev_priv->drm, FBINFO_STATE_SUSPENDED, true);
-
- if (!current_is_async())
- intel_fbdev_sync(ifbdev);
-
- drm_fb_helper_unregister_info(&ifbdev->helper);
-}
-
-void intel_fbdev_fini(struct drm_i915_private *dev_priv)
-{
- struct intel_fbdev *ifbdev = fetch_and_zero(&dev_priv->display.fbdev.fbdev);
-
- if (!ifbdev)
- return;
-
- intel_fbdev_destroy(ifbdev);
}
struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev)
projects / linux-2.6-microblaze.git / commitdiff