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-rw-r--r--drivers/gpu/drm/omapdrm/omap_drv.c11
-rw-r--r--drivers/gpu/drm/omapdrm/omap_fbdev.c132
-rw-r--r--drivers/gpu/drm/omapdrm/omap_fbdev.h9
3 files changed, 90 insertions, 62 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index 6a2f446c960f..5ed549726104 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -15,7 +15,6 @@
#include <drm/drm_bridge.h>
#include <drm/drm_bridge_connector.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
#include <drm/drm_file.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_panel.h>
@@ -221,7 +220,6 @@ static const struct drm_mode_config_helper_funcs omap_mode_config_helper_funcs =
static const struct drm_mode_config_funcs omap_mode_config_funcs = {
.fb_create = omap_framebuffer_create,
- .output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = omap_atomic_check,
.atomic_commit = drm_atomic_helper_commit,
};
@@ -654,7 +652,6 @@ static const struct drm_driver omap_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM |
DRIVER_ATOMIC | DRIVER_RENDER,
.open = dev_open,
- .lastclose = drm_fb_helper_lastclose,
#ifdef CONFIG_DEBUG_FS
.debugfs_init = omap_debugfs_init,
#endif
@@ -743,8 +740,6 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev)
goto err_cleanup_modeset;
}
- omap_fbdev_init(ddev);
-
drm_kms_helper_poll_init(ddev);
/*
@@ -755,12 +750,12 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev)
if (ret)
goto err_cleanup_helpers;
+ omap_fbdev_setup(ddev);
+
return 0;
err_cleanup_helpers:
drm_kms_helper_poll_fini(ddev);
-
- omap_fbdev_fini(ddev);
err_cleanup_modeset:
omap_modeset_fini(ddev);
err_free_overlays:
@@ -786,8 +781,6 @@ static void omapdrm_cleanup(struct omap_drm_private *priv)
drm_kms_helper_poll_fini(ddev);
- omap_fbdev_fini(ddev);
-
drm_atomic_helper_shutdown(ddev);
omap_modeset_fini(ddev);
diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index 9ea863781ac6..b950e93b3846 100644
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -4,13 +4,14 @@
* Author: Rob Clark <rob@ti.com>
*/
-#include <drm/drm_crtc.h>
-#include <drm/drm_util.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_file.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_util.h>
#include "omap_drv.h"
#include "omap_fbdev.h"
@@ -73,6 +74,25 @@ fallback:
return drm_fb_helper_pan_display(var, fbi);
}
+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();
+
+ drm_fb_helper_fini(helper);
+
+ omap_gem_unpin(bo);
+ drm_framebuffer_remove(fb);
+
+ drm_client_release(&helper->client);
+ drm_fb_helper_unprepare(helper);
+ kfree(fbdev);
+}
+
static const struct fb_ops omap_fb_ops = {
.owner = THIS_MODULE,
@@ -88,6 +108,8 @@ static const struct fb_ops omap_fb_ops = {
.fb_fillrect = drm_fb_helper_sys_fillrect,
.fb_copyarea = drm_fb_helper_sys_copyarea,
.fb_imageblit = drm_fb_helper_sys_imageblit,
+
+ .fb_destroy = omap_fbdev_fb_destroy,
};
static int omap_fbdev_create(struct drm_fb_helper *helper,
@@ -222,76 +244,94 @@ static struct drm_fb_helper *get_fb(struct fb_info *fbi)
return fbi->par;
}
-/* initialize fbdev helper */
-void omap_fbdev_init(struct drm_device *dev)
+/*
+ * struct drm_client
+ */
+
+static void omap_fbdev_client_unregister(struct drm_client_dev *client)
{
- struct omap_drm_private *priv = dev->dev_private;
- struct omap_fbdev *fbdev = NULL;
- struct drm_fb_helper *helper;
- int ret = 0;
+ struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
- if (!priv->num_pipes)
- return;
+ 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);
+ }
+}
- fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
- if (!fbdev)
- return;
+static int omap_fbdev_client_restore(struct drm_client_dev *client)
+{
+ drm_fb_helper_lastclose(client->dev);
- INIT_WORK(&fbdev->work, pan_worker);
+ return 0;
+}
- helper = &fbdev->base;
+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;
- drm_fb_helper_prepare(dev, helper, 32, &omap_fb_helper_funcs);
+ if (dev->fb_helper)
+ return drm_fb_helper_hotplug_event(dev->fb_helper);
- ret = drm_fb_helper_init(dev, helper);
+ ret = drm_fb_helper_init(dev, fb_helper);
if (ret)
- goto fail;
+ goto err_drm_err;
- ret = drm_fb_helper_initial_config(helper);
+ ret = drm_fb_helper_initial_config(fb_helper);
if (ret)
- goto fini;
-
- return;
+ goto err_drm_fb_helper_fini;
-fini:
- drm_fb_helper_fini(helper);
-fail:
- drm_fb_helper_unprepare(helper);
- kfree(fbdev);
+ return 0;
- dev_warn(dev->dev, "omap_fbdev_init failed\n");
+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;
}
-void omap_fbdev_fini(struct drm_device *dev)
+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 drm_fb_helper *helper = dev->fb_helper;
- struct drm_framebuffer *fb;
- struct drm_gem_object *bo;
struct omap_fbdev *fbdev;
+ struct drm_fb_helper *helper;
+ int ret;
- DBG();
+ drm_WARN(dev, !dev->registered, "Device has not been registered.\n");
+ drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n");
- if (!helper)
+ fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
+ if (!fbdev)
return;
+ helper = &fbdev->base;
- fb = helper->fb;
-
- drm_fb_helper_unregister_info(helper);
+ drm_fb_helper_prepare(dev, helper, 32, &omap_fb_helper_funcs);
- drm_fb_helper_fini(helper);
+ ret = drm_client_init(dev, &helper->client, "fbdev", &omap_fbdev_client_funcs);
+ if (ret)
+ goto err_drm_client_init;
- fbdev = to_omap_fbdev(helper);
+ INIT_WORK(&fbdev->work, pan_worker);
- bo = drm_gem_fb_get_obj(fb, 0);
+ ret = omap_fbdev_client_hotplug(&helper->client);
+ if (ret)
+ drm_dbg_kms(dev, "client hotplug ret=%d\n", ret);
- /* unpin the GEM object pinned in omap_fbdev_create() */
- if (bo)
- omap_gem_unpin(bo);
+ drm_client_register(&helper->client);
- /* this will free the backing object */
- if (fb)
- drm_framebuffer_remove(fb);
+ return;
+err_drm_client_init:
drm_fb_helper_unprepare(helper);
kfree(fbdev);
}
diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.h b/drivers/gpu/drm/omapdrm/omap_fbdev.h
index 74a68a5a6eab..74c691a8d45f 100644
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.h
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.h
@@ -10,16 +10,11 @@
#define __OMAPDRM_FBDEV_H__
struct drm_device;
-struct drm_fb_helper;
#ifdef CONFIG_DRM_FBDEV_EMULATION
-void omap_fbdev_init(struct drm_device *dev);
-void omap_fbdev_fini(struct drm_device *dev);
+void omap_fbdev_setup(struct drm_device *dev);
#else
-static inline void omap_fbdev_init(struct drm_device *dev)
-{
-}
-static inline void omap_fbdev_fini(struct drm_device *dev)
+static inline void omap_fbdev_setup(struct drm_device *dev)
{
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-26 19:48:56 +0000