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path: root/drivers/gpu/drm/omapdrm
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Diffstat (limited to 'drivers/gpu/drm/omapdrm')
-rw-r--r--drivers/gpu/drm/omapdrm/omap_crtc.c11
-rw-r--r--drivers/gpu/drm/omapdrm/omap_debugfs.c2
-rw-r--r--drivers/gpu/drm/omapdrm/omap_dmm_tiler.c9
-rw-r--r--drivers/gpu/drm/omapdrm/omap_drv.c86
-rw-r--r--drivers/gpu/drm/omapdrm/omap_drv.h5
-rw-r--r--drivers/gpu/drm/omapdrm/omap_encoder.c3
-rw-r--r--drivers/gpu/drm/omapdrm/omap_fb.c4
-rw-r--r--drivers/gpu/drm/omapdrm/omap_irq.c26
8 files changed, 108 insertions, 38 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 0fd2eb139f6e..4313bb0a49a6 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -411,7 +411,7 @@ static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
struct drm_crtc *crtc = &omap_crtc->base;
DRM_ERROR("%s: errors: %08x\n", omap_crtc->name, irqstatus);
/* avoid getting in a flood, unregister the irq until next vblank */
- omap_irq_unregister(crtc->dev, &omap_crtc->error_irq);
+ __omap_irq_unregister(crtc->dev, &omap_crtc->error_irq);
}
static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
@@ -421,13 +421,13 @@ static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
struct drm_crtc *crtc = &omap_crtc->base;
if (!omap_crtc->error_irq.registered)
- omap_irq_register(crtc->dev, &omap_crtc->error_irq);
+ __omap_irq_register(crtc->dev, &omap_crtc->error_irq);
if (!dispc_mgr_go_busy(omap_crtc->channel)) {
struct omap_drm_private *priv =
crtc->dev->dev_private;
DBG("%s: apply done", omap_crtc->name);
- omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq);
+ __omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq);
queue_work(priv->wq, &omap_crtc->apply_work);
}
}
@@ -623,6 +623,11 @@ void omap_crtc_pre_init(void)
dss_install_mgr_ops(&mgr_ops);
}
+void omap_crtc_pre_uninit(void)
+{
+ dss_uninstall_mgr_ops();
+}
+
/* initialize crtc */
struct drm_crtc *omap_crtc_init(struct drm_device *dev,
struct drm_plane *plane, enum omap_channel channel, int id)
diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c
index c27f59da7f29..d4c04d69fc4d 100644
--- a/drivers/gpu/drm/omapdrm/omap_debugfs.c
+++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c
@@ -48,7 +48,7 @@ static int mm_show(struct seq_file *m, void *arg)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
- return drm_mm_dump_table(m, dev->mm_private);
+ return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);
}
static int fb_show(struct seq_file *m, void *arg)
diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index 701c4c10e08b..f926b4caf449 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -969,12 +969,21 @@ static const struct dev_pm_ops omap_dmm_pm_ops = {
};
#endif
+#if defined(CONFIG_OF)
+static const struct of_device_id dmm_of_match[] = {
+ { .compatible = "ti,omap4-dmm", },
+ { .compatible = "ti,omap5-dmm", },
+ {},
+};
+#endif
+
struct platform_driver omap_dmm_driver = {
.probe = omap_dmm_probe,
.remove = omap_dmm_remove,
.driver = {
.owner = THIS_MODULE,
.name = DMM_DRIVER_NAME,
+ .of_match_table = of_match_ptr(dmm_of_match),
#ifdef CONFIG_PM
.pm = &omap_dmm_pm_ops,
#endif
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index e7fa3cd96743..bf39fcc49e0f 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -86,6 +86,47 @@ static bool channel_used(struct drm_device *dev, enum omap_channel channel)
return false;
}
+static void omap_disconnect_dssdevs(void)
+{
+ struct omap_dss_device *dssdev = NULL;
+
+ for_each_dss_dev(dssdev)
+ dssdev->driver->disconnect(dssdev);
+}
+
+static int omap_connect_dssdevs(void)
+{
+ int r;
+ struct omap_dss_device *dssdev = NULL;
+ bool no_displays = true;
+
+ for_each_dss_dev(dssdev) {
+ r = dssdev->driver->connect(dssdev);
+ if (r == -EPROBE_DEFER) {
+ omap_dss_put_device(dssdev);
+ goto cleanup;
+ } else if (r) {
+ dev_warn(dssdev->dev, "could not connect display: %s\n",
+ dssdev->name);
+ } else {
+ no_displays = false;
+ }
+ }
+
+ if (no_displays)
+ return -EPROBE_DEFER;
+
+ return 0;
+
+cleanup:
+ /*
+ * if we are deferring probe, we disconnect the devices we previously
+ * connected
+ */
+ omap_disconnect_dssdevs();
+
+ return r;
+}
static int omap_modeset_init(struct drm_device *dev)
{
@@ -95,9 +136,6 @@ static int omap_modeset_init(struct drm_device *dev)
int num_mgrs = dss_feat_get_num_mgrs();
int num_crtcs;
int i, id = 0;
- int r;
-
- omap_crtc_pre_init();
drm_mode_config_init(dev);
@@ -119,26 +157,8 @@ static int omap_modeset_init(struct drm_device *dev)
enum omap_channel channel;
struct omap_overlay_manager *mgr;
- if (!dssdev->driver) {
- dev_warn(dev->dev, "%s has no driver.. skipping it\n",
- dssdev->name);
- continue;
- }
-
- if (!(dssdev->driver->get_timings ||
- dssdev->driver->read_edid)) {
- dev_warn(dev->dev, "%s driver does not support "
- "get_timings or read_edid.. skipping it!\n",
- dssdev->name);
- continue;
- }
-
- r = dssdev->driver->connect(dssdev);
- if (r) {
- dev_err(dev->dev, "could not connect display: %s\n",
- dssdev->name);
+ if (!omapdss_device_is_connected(dssdev))
continue;
- }
encoder = omap_encoder_init(dev, dssdev);
@@ -497,16 +517,16 @@ static int dev_unload(struct drm_device *dev)
DBG("unload: dev=%p", dev);
drm_kms_helper_poll_fini(dev);
- drm_vblank_cleanup(dev);
- omap_drm_irq_uninstall(dev);
omap_fbdev_free(dev);
omap_modeset_free(dev);
omap_gem_deinit(dev);
- flush_workqueue(priv->wq);
destroy_workqueue(priv->wq);
+ drm_vblank_cleanup(dev);
+ omap_drm_irq_uninstall(dev);
+
kfree(dev->dev_private);
dev->dev_private = NULL;
@@ -655,9 +675,19 @@ static void pdev_shutdown(struct platform_device *device)
static int pdev_probe(struct platform_device *device)
{
+ int r;
+
if (omapdss_is_initialized() == false)
return -EPROBE_DEFER;
+ omap_crtc_pre_init();
+
+ r = omap_connect_dssdevs();
+ if (r) {
+ omap_crtc_pre_uninit();
+ return r;
+ }
+
DBG("%s", device->name);
return drm_platform_init(&omap_drm_driver, device);
}
@@ -665,9 +695,11 @@ static int pdev_probe(struct platform_device *device)
static int pdev_remove(struct platform_device *device)
{
DBG("");
- drm_platform_exit(&omap_drm_driver, device);
- platform_driver_unregister(&omap_dmm_driver);
+ omap_disconnect_dssdevs();
+ omap_crtc_pre_uninit();
+
+ drm_put_dev(platform_get_drvdata(device));
return 0;
}
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h
index 07847693cf49..428b2981fd68 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.h
+++ b/drivers/gpu/drm/omapdrm/omap_drv.h
@@ -141,10 +141,12 @@ int omap_gem_resume(struct device *dev);
int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id);
void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id);
-irqreturn_t omap_irq_handler(DRM_IRQ_ARGS);
+irqreturn_t omap_irq_handler(int irq, void *arg);
void omap_irq_preinstall(struct drm_device *dev);
int omap_irq_postinstall(struct drm_device *dev);
void omap_irq_uninstall(struct drm_device *dev);
+void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
+void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
int omap_drm_irq_uninstall(struct drm_device *dev);
@@ -158,6 +160,7 @@ enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
int omap_crtc_apply(struct drm_crtc *crtc,
struct omap_drm_apply *apply);
void omap_crtc_pre_init(void);
+void omap_crtc_pre_uninit(void);
struct drm_crtc *omap_crtc_init(struct drm_device *dev,
struct drm_plane *plane, enum omap_channel channel, int id);
diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c
index 6a12e899235b..5290a88c681d 100644
--- a/drivers/gpu/drm/omapdrm/omap_encoder.c
+++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
@@ -51,6 +51,9 @@ struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder)
static void omap_encoder_destroy(struct drm_encoder *encoder)
{
struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+
+ omap_encoder_set_enabled(encoder, false);
+
drm_encoder_cleanup(encoder);
kfree(omap_encoder);
}
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
index f2b8f0668c0c..f466c4aaee94 100644
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
+++ b/drivers/gpu/drm/omapdrm/omap_fb.c
@@ -123,12 +123,16 @@ static int omap_framebuffer_dirty(struct drm_framebuffer *fb,
{
int i;
+ drm_modeset_lock_all(fb->dev);
+
for (i = 0; i < num_clips; i++) {
omap_framebuffer_flush(fb, clips[i].x1, clips[i].y1,
clips[i].x2 - clips[i].x1,
clips[i].y2 - clips[i].y1);
}
+ drm_modeset_unlock_all(fb->dev);
+
return 0;
}
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c
index cb858600185f..f035d2bceae7 100644
--- a/drivers/gpu/drm/omapdrm/omap_irq.c
+++ b/drivers/gpu/drm/omapdrm/omap_irq.c
@@ -45,12 +45,11 @@ static void omap_irq_update(struct drm_device *dev)
dispc_read_irqenable(); /* flush posted write */
}
-void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq)
+void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq)
{
struct omap_drm_private *priv = dev->dev_private;
unsigned long flags;
- dispc_runtime_get();
spin_lock_irqsave(&list_lock, flags);
if (!WARN_ON(irq->registered)) {
@@ -60,14 +59,21 @@ void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq)
}
spin_unlock_irqrestore(&list_lock, flags);
+}
+
+void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq)
+{
+ dispc_runtime_get();
+
+ __omap_irq_register(dev, irq);
+
dispc_runtime_put();
}
-void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq)
+void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq)
{
unsigned long flags;
- dispc_runtime_get();
spin_lock_irqsave(&list_lock, flags);
if (!WARN_ON(!irq->registered)) {
@@ -77,6 +83,14 @@ void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq)
}
spin_unlock_irqrestore(&list_lock, flags);
+}
+
+void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq)
+{
+ dispc_runtime_get();
+
+ __omap_irq_unregister(dev, irq);
+
dispc_runtime_put();
}
@@ -173,7 +187,7 @@ void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id)
dispc_runtime_put();
}
-irqreturn_t omap_irq_handler(DRM_IRQ_ARGS)
+irqreturn_t omap_irq_handler(int irq, void *arg)
{
struct drm_device *dev = (struct drm_device *) arg;
struct omap_drm_private *priv = dev->dev_private;
@@ -308,7 +322,7 @@ int omap_drm_irq_uninstall(struct drm_device *dev)
if (dev->num_crtcs) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
for (i = 0; i < dev->num_crtcs; i++) {
- DRM_WAKEUP(&dev->vblank[i].queue);
+ wake_up(&dev->vblank[i].queue);
dev->vblank[i].enabled = false;
dev->vblank[i].last =
dev->driver->get_vblank_counter(dev, i);