diff options
Diffstat (limited to 'drivers/gpu/drm/imx')
| -rw-r--r-- | drivers/gpu/drm/imx/imx-drm-core.c | 332 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/imx-drm.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/imx-ldb.c | 160 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/imx-tve.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-crtc.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-plane.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/parallel-display.c | 16 |
7 files changed, 277 insertions, 286 deletions
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 7bf90e9e6139..98df09c2b388 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -16,7 +16,6 @@ #include <linux/component.h> #include <linux/device.h> #include <linux/dma-buf.h> -#include <linux/fb.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/reservation.h> @@ -58,12 +57,6 @@ static int legacyfb_depth = 16; module_param(legacyfb_depth, int, 0444); #endif -unsigned int imx_drm_crtc_id(struct imx_drm_crtc *crtc) -{ - return drm_crtc_index(crtc->crtc); -} -EXPORT_SYMBOL_GPL(imx_drm_crtc_id); - static void imx_drm_driver_lastclose(struct drm_device *drm) { struct imx_drm_device *imxdrm = drm->dev_private; @@ -71,43 +64,6 @@ static void imx_drm_driver_lastclose(struct drm_device *drm) drm_fbdev_cma_restore_mode(imxdrm->fbhelper); } -static int imx_drm_driver_unload(struct drm_device *drm) -{ - struct imx_drm_device *imxdrm = drm->dev_private; - - drm_kms_helper_poll_fini(drm); - - if (imxdrm->fbhelper) - drm_fbdev_cma_fini(imxdrm->fbhelper); - - component_unbind_all(drm->dev, drm); - - drm_vblank_cleanup(drm); - drm_mode_config_cleanup(drm); - - platform_set_drvdata(drm->platformdev, NULL); - - return 0; -} - -int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc) -{ - return drm_crtc_vblank_get(imx_drm_crtc->crtc); -} -EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_get); - -void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc) -{ - drm_crtc_vblank_put(imx_drm_crtc->crtc); -} -EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_put); - -void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc) -{ - drm_crtc_handle_vblank(imx_drm_crtc->crtc); -} -EXPORT_SYMBOL_GPL(imx_drm_handle_vblank); - static int imx_drm_enable_vblank(struct drm_device *drm, unsigned int pipe) { struct imx_drm_device *imxdrm = drm->dev_private; @@ -195,54 +151,49 @@ static int imx_drm_atomic_check(struct drm_device *dev, return ret; } +static int imx_drm_atomic_commit(struct drm_device *dev, + struct drm_atomic_state *state, + bool nonblock) +{ + struct drm_plane_state *plane_state; + struct drm_plane *plane; + struct dma_buf *dma_buf; + int i; + + /* + * If the plane fb has an dma-buf attached, fish out the exclusive + * fence for the atomic helper to wait on. + */ + for_each_plane_in_state(state, plane, plane_state, i) { + if ((plane->state->fb != plane_state->fb) && plane_state->fb) { + dma_buf = drm_fb_cma_get_gem_obj(plane_state->fb, + 0)->base.dma_buf; + if (!dma_buf) + continue; + plane_state->fence = + reservation_object_get_excl_rcu(dma_buf->resv); + } + } + + return drm_atomic_helper_commit(dev, state, nonblock); +} + static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = { .fb_create = drm_fb_cma_create, .output_poll_changed = imx_drm_output_poll_changed, .atomic_check = imx_drm_atomic_check, - .atomic_commit = drm_atomic_helper_commit, + .atomic_commit = imx_drm_atomic_commit, }; static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; - struct drm_crtc *crtc; - struct drm_crtc_state *crtc_state; - struct drm_plane_state *plane_state; - struct drm_gem_cma_object *cma_obj; - struct fence *excl; - unsigned shared_count; - struct fence **shared; - unsigned int i, j; - int ret; - - /* Wait for fences. */ - for_each_crtc_in_state(state, crtc, crtc_state, i) { - plane_state = crtc->primary->state; - if (plane_state->fb) { - cma_obj = drm_fb_cma_get_gem_obj(plane_state->fb, 0); - if (cma_obj->base.dma_buf) { - ret = reservation_object_get_fences_rcu( - cma_obj->base.dma_buf->resv, &excl, - &shared_count, &shared); - if (unlikely(ret)) - DRM_ERROR("failed to get fences " - "for buffer\n"); - - if (excl) { - fence_wait(excl, false); - fence_put(excl); - } - for (j = 0; j < shared_count; i++) { - fence_wait(shared[j], false); - fence_put(shared[j]); - } - } - } - } drm_atomic_helper_commit_modeset_disables(dev, state); - drm_atomic_helper_commit_planes(dev, state, true); + drm_atomic_helper_commit_planes(dev, state, + DRM_PLANE_COMMIT_ACTIVE_ONLY | + DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET); drm_atomic_helper_commit_modeset_enables(dev, state); @@ -258,111 +209,6 @@ static struct drm_mode_config_helper_funcs imx_drm_mode_config_helpers = { }; /* - * Main DRM initialisation. This binds, initialises and registers - * with DRM the subcomponents of the driver. - */ -static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) -{ - struct imx_drm_device *imxdrm; - struct drm_connector *connector; - int ret; - - imxdrm = devm_kzalloc(drm->dev, sizeof(*imxdrm), GFP_KERNEL); - if (!imxdrm) - return -ENOMEM; - - imxdrm->drm = drm; - - drm->dev_private = imxdrm; - - /* - * enable drm irq mode. - * - with irq_enabled = true, we can use the vblank feature. - * - * P.S. note that we wouldn't use drm irq handler but - * just specific driver own one instead because - * drm framework supports only one irq handler and - * drivers can well take care of their interrupts - */ - drm->irq_enabled = true; - - /* - * set max width and height as default value(4096x4096). - * this value would be used to check framebuffer size limitation - * at drm_mode_addfb(). - */ - drm->mode_config.min_width = 64; - drm->mode_config.min_height = 64; - drm->mode_config.max_width = 4096; - drm->mode_config.max_height = 4096; - drm->mode_config.funcs = &imx_drm_mode_config_funcs; - drm->mode_config.helper_private = &imx_drm_mode_config_helpers; - - drm_mode_config_init(drm); - - ret = drm_vblank_init(drm, MAX_CRTC); - if (ret) - goto err_kms; - - platform_set_drvdata(drm->platformdev, drm); - - /* Now try and bind all our sub-components */ - ret = component_bind_all(drm->dev, drm); - if (ret) - goto err_vblank; - - /* - * All components are now added, we can publish the connector sysfs - * entries to userspace. This will generate hotplug events and so - * userspace will expect to be able to access DRM at this point. - */ - list_for_each_entry(connector, &drm->mode_config.connector_list, head) { - ret = drm_connector_register(connector); - if (ret) { - dev_err(drm->dev, - "[CONNECTOR:%d:%s] drm_connector_register failed: %d\n", - connector->base.id, - connector->name, ret); - goto err_unbind; - } - } - - drm_mode_config_reset(drm); - - /* - * All components are now initialised, so setup the fb helper. - * The fb helper takes copies of key hardware information, so the - * crtcs/connectors/encoders must not change after this point. - */ -#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION) - if (legacyfb_depth != 16 && legacyfb_depth != 32) { - dev_warn(drm->dev, "Invalid legacyfb_depth. Defaulting to 16bpp\n"); - legacyfb_depth = 16; - } - imxdrm->fbhelper = drm_fbdev_cma_init(drm, legacyfb_depth, - drm->mode_config.num_crtc, MAX_CRTC); - if (IS_ERR(imxdrm->fbhelper)) { - ret = PTR_ERR(imxdrm->fbhelper); - imxdrm->fbhelper = NULL; - goto err_unbind; - } -#endif - - drm_kms_helper_poll_init(drm); - - return 0; - -err_unbind: - component_unbind_all(drm->dev, drm); -err_vblank: - drm_vblank_cleanup(drm); -err_kms: - drm_mode_config_cleanup(drm); - - return ret; -} - -/* * imx_drm_add_crtc - add a new crtc */ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, @@ -454,8 +300,6 @@ static const struct drm_ioctl_desc imx_drm_ioctls[] = { static struct drm_driver imx_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC, - .load = imx_drm_driver_load, - .unload = imx_drm_driver_unload, .lastclose = imx_drm_driver_lastclose, .gem_free_object_unlocked = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, @@ -508,12 +352,122 @@ static int compare_of(struct device *dev, void *data) static int imx_drm_bind(struct device *dev) { - return drm_platform_init(&imx_drm_driver, to_platform_device(dev)); + struct drm_device *drm; + struct imx_drm_device *imxdrm; + int ret; + + drm = drm_dev_alloc(&imx_drm_driver, dev); + if (!drm) + return -ENOMEM; + + imxdrm = devm_kzalloc(dev, sizeof(*imxdrm), GFP_KERNEL); + if (!imxdrm) { + ret = -ENOMEM; + goto err_unref; + } + + imxdrm->drm = drm; + drm->dev_private = imxdrm; + + /* + * enable drm irq mode. + * - with irq_enabled = true, we can use the vblank feature. + * + * P.S. note that we wouldn't use drm irq handler but + * just specific driver own one instead because + * drm framework supports only one irq handler and + * drivers can well take care of their interrupts + */ + drm->irq_enabled = true; + + /* + * set max width and height as default value(4096x4096). + * this value would be used to check framebuffer size limitation + * at drm_mode_addfb(). + */ + drm->mode_config.min_width = 64; + drm->mode_config.min_height = 64; + drm->mode_config.max_width = 4096; + drm->mode_config.max_height = 4096; + drm->mode_config.funcs = &imx_drm_mode_config_funcs; + drm->mode_config.helper_private = &imx_drm_mode_config_helpers; + + drm_mode_config_init(drm); + + ret = drm_vblank_init(drm, MAX_CRTC); + if (ret) + goto err_kms; + + dev_set_drvdata(dev, drm); + + /* Now try and bind all our sub-components */ + ret = component_bind_all(dev, drm); + if (ret) + goto err_vblank; + + drm_mode_config_reset(drm); + + /* + * All components are now initialised, so setup the fb helper. + * The fb helper takes copies of key hardware information, so the + * crtcs/connectors/encoders must not change after this point. + */ +#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION) + if (legacyfb_depth != 16 && legacyfb_depth != 32) { + dev_warn(dev, "Invalid legacyfb_depth. Defaulting to 16bpp\n"); + legacyfb_depth = 16; + } + imxdrm->fbhelper = drm_fbdev_cma_init(drm, legacyfb_depth, + drm->mode_config.num_crtc, MAX_CRTC); + if (IS_ERR(imxdrm->fbhelper)) { + ret = PTR_ERR(imxdrm->fbhelper); + imxdrm->fbhelper = NULL; + goto err_unbind; + } +#endif + + drm_kms_helper_poll_init(drm); + + ret = drm_dev_register(drm, 0); + if (ret) + goto err_fbhelper; + + return 0; + +err_fbhelper: + drm_kms_helper_poll_fini(drm); + if (imxdrm->fbhelper) + drm_fbdev_cma_fini(imxdrm->fbhelper); +err_unbind: + component_unbind_all(drm->dev, drm); +err_vblank: + drm_vblank_cleanup(drm); +err_kms: + drm_mode_config_cleanup(drm); +err_unref: + drm_dev_unref(drm); + + return ret; } static void imx_drm_unbind(struct device *dev) { - drm_put_dev(dev_get_drvdata(dev)); + struct drm_device *drm = dev_get_drvdata(dev); + struct imx_drm_device *imxdrm = drm->dev_private; + + drm_dev_unregister(drm); + + drm_kms_helper_poll_fini(drm); + + if (imxdrm->fbhelper) + drm_fbdev_cma_fini(imxdrm->fbhelper); + + drm_mode_config_cleanup(drm); + + component_unbind_all(drm->dev, drm); + dev_set_drvdata(dev, NULL); + + drm_dev_unref(drm); } static const struct component_master_ops imx_drm_ops = { diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h index 07d33e45f90f..5a91cb16c8fa 100644 --- a/drivers/gpu/drm/imx/imx-drm.h +++ b/drivers/gpu/drm/imx/imx-drm.h @@ -13,8 +13,6 @@ struct drm_plane; struct imx_drm_crtc; struct platform_device; -unsigned int imx_drm_crtc_id(struct imx_drm_crtc *crtc); - struct imx_crtc_state { struct drm_crtc_state base; u32 bus_format; @@ -44,10 +42,6 @@ int imx_drm_init_drm(struct platform_device *pdev, int preferred_bpp); int imx_drm_exit_drm(void); -int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc); -void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc); -void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc); - void imx_drm_mode_config_init(struct drm_device *drm); struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb); diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index b03919ed60ba..3ce391c239b0 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -57,7 +57,11 @@ struct imx_ldb_channel { struct imx_ldb *ldb; struct drm_connector connector; struct drm_encoder encoder; + + /* Defines what is connected to the ldb, only one at a time */ struct drm_panel *panel; + struct drm_bridge *bridge; + struct device_node *child; struct i2c_adapter *ddc; int chno; @@ -66,6 +70,7 @@ struct imx_ldb_channel { struct drm_display_mode mode; int mode_valid; u32 bus_format; + u32 bus_flags; }; static inline struct imx_ldb_channel *con_to_imx_ldb_ch(struct drm_connector *c) @@ -251,11 +256,13 @@ static void imx_ldb_encoder_enable(struct drm_encoder *encoder) drm_panel_enable(imx_ldb_ch->panel); } -static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *orig_mode, - struct drm_display_mode *mode) +static void +imx_ldb_encoder_atomic_mode_set(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *connector_state) { struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); + struct drm_display_mode *mode = &crtc_state->adjusted_mode; struct imx_ldb *ldb = imx_ldb_ch->ldb; int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; unsigned long serial_clk; @@ -297,17 +304,11 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, } if (!bus_format) { - struct drm_connector *connector; - - drm_for_each_connector(connector, encoder->dev) { - struct drm_display_info *di = &connector->display_info; + struct drm_connector *connector = connector_state->connector; + struct drm_display_info *di = &connector->display_info; - if (connector->encoder == encoder && - di->num_bus_formats) { - bus_format = di->bus_formats[0]; - break; - } - } + if (di->num_bus_formats) + bus_format = di->bus_formats[0]; } imx_ldb_ch_set_bus_format(imx_ldb_ch, bus_format); } @@ -379,8 +380,13 @@ static int imx_ldb_encoder_atomic_check(struct drm_encoder *encoder, u32 bus_format = imx_ldb_ch->bus_format; /* Bus format description in DT overrides connector display info. */ - if (!bus_format && di->num_bus_formats) + if (!bus_format && di->num_bus_formats) { bus_format = di->bus_formats[0]; + imx_crtc_state->bus_flags = di->bus_flags; + } else { + bus_format = imx_ldb_ch->bus_format; + imx_crtc_state->bus_flags = imx_ldb_ch->bus_flags; + } switch (bus_format) { case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: imx_crtc_state->bus_format = MEDIA_BUS_FMT_RGB666_1X18; @@ -420,7 +426,7 @@ static const struct drm_encoder_funcs imx_ldb_encoder_funcs = { }; static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = { - .mode_set = imx_ldb_encoder_mode_set, + .atomic_mode_set = imx_ldb_encoder_atomic_mode_set, .enable = imx_ldb_encoder_enable, .disable = imx_ldb_encoder_disable, .atomic_check = imx_ldb_encoder_atomic_check, @@ -466,10 +472,30 @@ static int imx_ldb_register(struct drm_device *drm, drm_encoder_init(drm, encoder, &imx_ldb_encoder_funcs, DRM_MODE_ENCODER_LVDS, NULL); - drm_connector_helper_add(&imx_ldb_ch->connector, - &imx_ldb_connector_helper_funcs); - drm_connector_init(drm, &imx_ldb_ch->connector, - &imx_ldb_connector_funcs, DRM_MODE_CONNECTOR_LVDS); + if (imx_ldb_ch->bridge) { + imx_ldb_ch->bridge->encoder = encoder; + + imx_ldb_ch->encoder.bridge = imx_ldb_ch->bridge; + ret = drm_bridge_attach(drm, imx_ldb_ch->bridge); + if (ret) { + DRM_ERROR("Failed to initialize bridge with drm\n"); + return ret; + } + } else { + /* + * We want to add the connector whenever there is no bridge + * that brings its own, not only when there is a panel. For + * historical reasons, the ldb driver can also work without + * a panel. + */ + drm_connector_helper_add(&imx_ldb_ch->connector, + &imx_ldb_connector_helper_funcs); + drm_connector_init(drm, &imx_ldb_ch->connector, + &imx_ldb_connector_funcs, + DRM_MODE_CONNECTOR_LVDS); + drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, + encoder); + } if (imx_ldb_ch->panel) { ret = drm_panel_attach(imx_ldb_ch->panel, @@ -478,8 +504,6 @@ static int imx_ldb_register(struct drm_device *drm, return ret; } - drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, encoder); - return 0; } @@ -548,6 +572,46 @@ static const struct of_device_id imx_ldb_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, imx_ldb_dt_ids); +static int imx_ldb_panel_ddc(struct device *dev, + struct imx_ldb_channel *channel, struct device_node *child) +{ + struct device_node *ddc_node; + const u8 *edidp; + int ret; + + ddc_node = of_parse_phandle(child, "ddc-i2c-bus", 0); + if (ddc_node) { + channel->ddc = of_find_i2c_adapter_by_node(ddc_node); + of_node_put(ddc_node); + if (!channel->ddc) { + dev_warn(dev, "failed to get ddc i2c adapter\n"); + return -EPROBE_DEFER; + } + } + + if (!channel->ddc) { + /* if no DDC available, fallback to hardcoded EDID */ + dev_dbg(dev, "no ddc available\n"); + + edidp = of_get_property(child, "edid", + &channel->edid_len); + if (edidp) { + channel->edid = kmemdup(edidp, + channel->edid_len, + GFP_KERNEL); + } else if (!channel->panel) { + /* fallback to display-timings node */ + ret = of_get_drm_display_mode(child, + &channel->mode, + &channel->bus_flags, + OF_USE_NATIVE_MODE); + if (!ret) + channel->mode_valid = 1; + } + } + return 0; +} + static int imx_ldb_bind(struct device *dev, struct device *master, void *data) { struct drm_device *drm = data; @@ -555,7 +619,6 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) const struct of_device_id *of_id = of_match_device(imx_ldb_dt_ids, dev); struct device_node *child; - const u8 *edidp; struct imx_ldb *imx_ldb; int dual; int ret; @@ -605,7 +668,6 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) for_each_child_of_node(np, child) { struct imx_ldb_channel *channel; - struct device_node *ddc_node; struct device_node *ep; int bus_format; @@ -638,46 +700,25 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) remote = of_graph_get_remote_port_parent(ep); of_node_put(ep); - if (remote) + if (remote) { channel->panel = of_drm_find_panel(remote); - else + channel->bridge = of_drm_find_bridge(remote); + } else return -EPROBE_DEFER; of_node_put(remote); - if (!channel->panel) { - dev_err(dev, "panel not found: %s\n", + + if (!channel->panel && !channel->bridge) { + dev_err(dev, "panel/bridge not found: %s\n", remote->full_name); return -EPROBE_DEFER; } } - ddc_node = of_parse_phandle(child, "ddc-i2c-bus", 0); - if (ddc_node) { - channel->ddc = of_find_i2c_adapter_by_node(ddc_node); - of_node_put(ddc_node); - if (!channel->ddc) { - dev_warn(dev, "failed to get ddc i2c adapter\n"); - return -EPROBE_DEFER; - } - } - - if (!channel->ddc) { - /* if no DDC available, fallback to hardcoded EDID */ - dev_dbg(dev, "no ddc available\n"); - - edidp = of_get_property(child, "edid", - &channel->edid_len); - if (edidp) { - channel->edid = kmemdup(edidp, - channel->edid_len, - GFP_KERNEL); - } else if (!channel->panel) { - /* fallback to display-timings node */ - ret = of_get_drm_display_mode(child, - &channel->mode, - OF_USE_NATIVE_MODE); - if (!ret) - channel->mode_valid = 1; - } + /* panel ddc only if there is no bridge */ + if (!channel->bridge) { + ret = imx_ldb_panel_ddc(dev, channel, child); + if (ret) + return ret; } bus_format = of_get_bus_format(dev, child); @@ -716,11 +757,10 @@ static void imx_ldb_unbind(struct device *dev, struct device *master, for (i = 0; i < 2; i++) { struct imx_ldb_channel *channel = &imx_ldb->channel[i]; - if (!channel->connector.funcs) - continue; - - channel->connector.funcs->destroy(&channel->connector); - channel->encoder.funcs->destroy(&channel->encoder); + if (channel->bridge) + drm_bridge_detach(channel->bridge); + if (channel->panel) + drm_panel_detach(channel->panel); kfree(channel->edid); i2c_put_adapter(channel->ddc); diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 5e875944ffa2..8fc088843e55 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -685,9 +685,6 @@ static void imx_tve_unbind(struct device *dev, struct device *master, { struct imx_tve *tve = dev_get_drvdata(dev); - tve->connector.funcs->destroy(&tve->connector); - tve->encoder.funcs->destroy(&tve->encoder); - if (!IS_ERR(tve->dac_reg)) regulator_disable(tve->dac_reg); } diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 462056e4b9e4..4e1ae3fc462d 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -21,7 +21,6 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc_helper.h> -#include <linux/fb.h> #include <linux/clk.h> #include <linux/errno.h> #include <drm/drm_gem_cma_helper.h> @@ -61,7 +60,8 @@ static void ipu_crtc_enable(struct drm_crtc *crtc) ipu_di_enable(ipu_crtc->di); } -static void ipu_crtc_disable(struct drm_crtc *crtc) +static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); @@ -77,6 +77,9 @@ static void ipu_crtc_disable(struct drm_crtc *crtc) } spin_unlock_irq(&crtc->dev->event_lock); + /* always disable planes on the CRTC */ + drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, true); + drm_crtc_vblank_off(crtc); } @@ -123,9 +126,14 @@ static void imx_drm_crtc_destroy_state(struct drm_crtc *crtc, kfree(to_imx_crtc_state(state)); } +static void imx_drm_crtc_destroy(struct drm_crtc *crtc) +{ + imx_drm_remove_crtc(to_ipu_crtc(crtc)->imx_crtc); +} + static const struct drm_crtc_funcs ipu_crtc_funcs = { .set_config = drm_atomic_helper_set_config, - .destroy = drm_crtc_cleanup, + .destroy = imx_drm_crtc_destroy, .page_flip = drm_atomic_helper_page_flip, .reset = imx_drm_crtc_reset, .atomic_duplicate_state = imx_drm_crtc_duplicate_state, @@ -136,7 +144,7 @@ static irqreturn_t ipu_irq_handler(int irq, void *dev_id) { struct ipu_crtc *ipu_crtc = dev_id; - imx_drm_handle_vblank(ipu_crtc->imx_crtc); + drm_crtc_handle_vblank(&ipu_crtc->base); return IRQ_HANDLED; } @@ -246,7 +254,7 @@ static const struct drm_crtc_helper_funcs ipu_helper_funcs = { .mode_set_nofb = ipu_crtc_mode_set_nofb, .atomic_check = ipu_crtc_atomic_check, .atomic_begin = ipu_crtc_atomic_begin, - .disable = ipu_crtc_disable, + .atomic_disable = ipu_crtc_atomic_disable, .enable = ipu_crtc_enable, }; @@ -414,8 +422,6 @@ static void ipu_drm_unbind(struct device *dev, struct device *master, { struct ipu_crtc *ipu_crtc = dev_get_drvdata(dev); - imx_drm_remove_crtc(ipu_crtc->imx_crtc); - ipu_put_resources(ipu_crtc); if (ipu_crtc->plane[1]) ipu_plane_put_resources(ipu_crtc->plane[1]); diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 29423e757d36..ce22d0a0ddc8 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -213,8 +213,12 @@ static void ipu_plane_enable(struct ipu_plane *ipu_plane) ipu_dp_enable_channel(ipu_plane->dp); } -static void ipu_plane_disable(struct ipu_plane *ipu_plane) +static int ipu_disable_plane(struct drm_plane *plane) { + struct ipu_plane *ipu_plane = to_ipu_plane(plane); + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + ipu_idmac_wait_busy(ipu_plane->ipu_ch, 50); if (ipu_plane->dp) @@ -223,15 +227,6 @@ static void ipu_plane_disable(struct ipu_plane *ipu_plane) ipu_dmfc_disable_channel(ipu_plane->dmfc); if (ipu_plane->dp) ipu_dp_disable(ipu_plane->ipu); -} - -static int ipu_disable_plane(struct drm_plane *plane) -{ - struct ipu_plane *ipu_plane = to_ipu_plane(plane); - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - ipu_plane_disable(ipu_plane); return 0; } @@ -242,7 +237,6 @@ static void ipu_plane_destroy(struct drm_plane *plane) DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - ipu_disable_plane(plane); drm_plane_cleanup(plane); kfree(ipu_plane); } @@ -320,8 +314,10 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, /* * We support resizing active plane or changing its format by - * forcing CRTC mode change and disabling-enabling plane in plane's - * ->atomic_update callback. + * forcing CRTC mode change in plane's ->atomic_check callback + * and disabling all affected active planes in CRTC's ->atomic_disable + * callback. The planes will be reenabled in plane's ->atomic_update + * callback. */ if (old_fb && (state->src_w != old_state->src_w || state->src_h != old_state->src_h || @@ -395,12 +391,10 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, if (old_state->fb) { struct drm_crtc_state *crtc_state = state->crtc->state; - if (!crtc_state->mode_changed) { + if (!drm_atomic_crtc_needs_modeset(crtc_state)) { ipu_plane_atomic_set_base(ipu_plane, old_state); return; } - - ipu_disable_plane(plane); } switch (ipu_plane->dp_flow) { diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 1dad297b01fd..d796ada2a47a 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -33,6 +33,7 @@ struct imx_parallel_display { void *edid; int edid_len; u32 bus_format; + u32 bus_flags; struct drm_display_mode mode; struct drm_panel *panel; struct drm_bridge *bridge; @@ -80,6 +81,7 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) return -EINVAL; ret = of_get_drm_display_mode(np, &imxpd->mode, + &imxpd->bus_flags, OF_USE_NATIVE_MODE); if (ret) return ret; @@ -125,11 +127,13 @@ static int imx_pd_encoder_atomic_check(struct drm_encoder *encoder, struct drm_display_info *di = &conn_state->connector->display_info; struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); - imx_crtc_state->bus_flags = di->bus_flags; - if (!imxpd->bus_format && di->num_bus_formats) + if (!imxpd->bus_format && di->num_bus_formats) { + imx_crtc_state->bus_flags = di->bus_flags; imx_crtc_state->bus_format = di->bus_formats[0]; - else + } else { + imx_crtc_state->bus_flags = imxpd->bus_flags; imx_crtc_state->bus_format = imxpd->bus_format; + } imx_crtc_state->di_hsync_pin = 2; imx_crtc_state->di_vsync_pin = 3; @@ -289,8 +293,10 @@ static void imx_pd_unbind(struct device *dev, struct device *master, { struct imx_parallel_display *imxpd = dev_get_drvdata(dev); - imxpd->encoder.funcs->destroy(&imxpd->encoder); - imxpd->connector.funcs->destroy(&imxpd->connector); + if (imxpd->bridge) + drm_bridge_detach(imxpd->bridge); + if (imxpd->panel) + drm_panel_detach(imxpd->panel); kfree(imxpd->edid); } |