diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_crtc.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.c | 84 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_encoder.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_irq.c | 22 |
6 files changed, 99 insertions, 33 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_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 13f294aeaefd..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); + if (!omapdss_device_is_connected(dssdev)) 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); - 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); } @@ -666,8 +696,10 @@ static int pdev_remove(struct platform_device *device) { DBG(""); - drm_put_dev(platform_get_drvdata(device)); + 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 c88fea32dbf6..428b2981fd68 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -145,6 +145,8 @@ 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_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index 0e5336e5a791..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(); } |