2 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 and
6 * only version 2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
17 #define DSI_CLOCK_MASTER DSI_0
18 #define DSI_CLOCK_SLAVE DSI_1
20 #define DSI_LEFT DSI_0
21 #define DSI_RIGHT DSI_1
23 /* According to the current drm framework sequence, take the encoder of
24 * DSI_1 as master encoder
26 #define DSI_ENCODER_MASTER DSI_1
27 #define DSI_ENCODER_SLAVE DSI_0
29 struct msm_dsi_manager {
30 struct msm_dsi *dsi[DSI_MAX];
34 int master_dsi_link_id;
37 static struct msm_dsi_manager msm_dsim_glb;
39 #define IS_DUAL_DSI() (msm_dsim_glb.is_dual_dsi)
40 #define IS_SYNC_NEEDED() (msm_dsim_glb.is_sync_needed)
41 #define IS_MASTER_DSI_LINK(id) (msm_dsim_glb.master_dsi_link_id == id)
43 static inline struct msm_dsi *dsi_mgr_get_dsi(int id)
45 return msm_dsim_glb.dsi[id];
48 static inline struct msm_dsi *dsi_mgr_get_other_dsi(int id)
50 return msm_dsim_glb.dsi[(id + 1) % DSI_MAX];
53 static int dsi_mgr_parse_dual_dsi(struct device_node *np, int id)
55 struct msm_dsi_manager *msm_dsim = &msm_dsim_glb;
57 /* We assume 2 dsi nodes have the same information of dual-dsi and
58 * sync-mode, and only one node specifies master in case of dual mode.
60 if (!msm_dsim->is_dual_dsi)
61 msm_dsim->is_dual_dsi = of_property_read_bool(
62 np, "qcom,dual-dsi-mode");
64 if (msm_dsim->is_dual_dsi) {
65 if (of_property_read_bool(np, "qcom,master-dsi"))
66 msm_dsim->master_dsi_link_id = id;
67 if (!msm_dsim->is_sync_needed)
68 msm_dsim->is_sync_needed = of_property_read_bool(
69 np, "qcom,sync-dual-dsi");
75 static int dsi_mgr_host_register(int id)
77 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
78 struct msm_dsi *other_dsi = dsi_mgr_get_other_dsi(id);
79 struct msm_dsi *clk_master_dsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER);
80 struct msm_dsi_pll *src_pll;
84 ret = msm_dsi_host_register(msm_dsi->host, true);
88 src_pll = msm_dsi_phy_get_pll(msm_dsi->phy);
89 ret = msm_dsi_host_set_src_pll(msm_dsi->host, src_pll);
90 } else if (!other_dsi) {
93 struct msm_dsi *mdsi = IS_MASTER_DSI_LINK(id) ?
95 struct msm_dsi *sdsi = IS_MASTER_DSI_LINK(id) ?
97 /* Register slave host first, so that slave DSI device
98 * has a chance to probe, and do not block the master
100 * Also, do not check defer for the slave host,
101 * because only master DSI device adds the panel to global
102 * panel list. The panel's device is the master DSI device.
104 ret = msm_dsi_host_register(sdsi->host, false);
107 ret = msm_dsi_host_register(mdsi->host, true);
111 /* PLL0 is to drive both 2 DSI link clocks in Dual DSI mode. */
112 src_pll = msm_dsi_phy_get_pll(clk_master_dsi->phy);
113 ret = msm_dsi_host_set_src_pll(msm_dsi->host, src_pll);
116 ret = msm_dsi_host_set_src_pll(other_dsi->host, src_pll);
122 struct dsi_connector {
123 struct drm_connector base;
128 struct drm_bridge base;
132 #define to_dsi_connector(x) container_of(x, struct dsi_connector, base)
133 #define to_dsi_bridge(x) container_of(x, struct dsi_bridge, base)
135 static inline int dsi_mgr_connector_get_id(struct drm_connector *connector)
137 struct dsi_connector *dsi_connector = to_dsi_connector(connector);
138 return dsi_connector->id;
141 static int dsi_mgr_bridge_get_id(struct drm_bridge *bridge)
143 struct dsi_bridge *dsi_bridge = to_dsi_bridge(bridge);
144 return dsi_bridge->id;
147 static enum drm_connector_status dsi_mgr_connector_detect(
148 struct drm_connector *connector, bool force)
150 int id = dsi_mgr_connector_get_id(connector);
151 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
152 struct msm_dsi *other_dsi = dsi_mgr_get_other_dsi(id);
153 struct msm_drm_private *priv = connector->dev->dev_private;
154 struct msm_kms *kms = priv->kms;
157 if (!msm_dsi->panel) {
158 msm_dsi->panel = msm_dsi_host_get_panel(msm_dsi->host,
159 &msm_dsi->device_flags);
161 /* There is only 1 panel in the global panel list
162 * for dual DSI mode. Therefore slave dsi should get
163 * the drm_panel instance from master dsi, and
164 * keep using the panel flags got from the current DSI link.
166 if (!msm_dsi->panel && IS_DUAL_DSI() &&
167 !IS_MASTER_DSI_LINK(id) && other_dsi)
168 msm_dsi->panel = msm_dsi_host_get_panel(
169 other_dsi->host, NULL);
171 if (msm_dsi->panel && IS_DUAL_DSI())
172 drm_object_attach_property(&connector->base,
173 connector->dev->mode_config.tile_property, 0);
175 /* Set split display info to kms once dual DSI panel is
176 * connected to both hosts.
178 if (msm_dsi->panel && IS_DUAL_DSI() &&
179 other_dsi && other_dsi->panel) {
180 bool cmd_mode = !(msm_dsi->device_flags &
181 MIPI_DSI_MODE_VIDEO);
182 struct drm_encoder *encoder = msm_dsi_get_encoder(
183 dsi_mgr_get_dsi(DSI_ENCODER_MASTER));
184 struct drm_encoder *slave_enc = msm_dsi_get_encoder(
185 dsi_mgr_get_dsi(DSI_ENCODER_SLAVE));
187 if (kms->funcs->set_split_display)
188 kms->funcs->set_split_display(kms, encoder,
189 slave_enc, cmd_mode);
191 pr_err("mdp does not support dual DSI\n");
195 return msm_dsi->panel ? connector_status_connected :
196 connector_status_disconnected;
199 static void dsi_mgr_connector_destroy(struct drm_connector *connector)
202 drm_connector_unregister(connector);
203 drm_connector_cleanup(connector);
206 static void dsi_dual_connector_fix_modes(struct drm_connector *connector)
208 struct drm_display_mode *mode, *m;
210 /* Only support left-right mode */
211 list_for_each_entry_safe(mode, m, &connector->probed_modes, head) {
213 mode->hdisplay >>= 1;
214 mode->hsync_start >>= 1;
215 mode->hsync_end >>= 1;
217 drm_mode_set_name(mode);
221 static int dsi_dual_connector_tile_init(
222 struct drm_connector *connector, int id)
224 struct drm_display_mode *mode;
225 /* Fake topology id */
226 char topo_id[8] = {'M', 'S', 'M', 'D', 'U', 'D', 'S', 'I'};
228 if (connector->tile_group) {
229 DBG("Tile property has been initialized");
233 /* Use the first mode only for now */
234 mode = list_first_entry(&connector->probed_modes,
235 struct drm_display_mode,
240 connector->tile_group = drm_mode_get_tile_group(
241 connector->dev, topo_id);
242 if (!connector->tile_group)
243 connector->tile_group = drm_mode_create_tile_group(
244 connector->dev, topo_id);
245 if (!connector->tile_group) {
246 pr_err("%s: failed to create tile group\n", __func__);
250 connector->has_tile = true;
251 connector->tile_is_single_monitor = true;
253 /* mode has been fixed */
254 connector->tile_h_size = mode->hdisplay;
255 connector->tile_v_size = mode->vdisplay;
257 /* Only support left-right mode */
258 connector->num_h_tile = 2;
259 connector->num_v_tile = 1;
261 connector->tile_v_loc = 0;
262 connector->tile_h_loc = (id == DSI_RIGHT) ? 1 : 0;
267 static int dsi_mgr_connector_get_modes(struct drm_connector *connector)
269 int id = dsi_mgr_connector_get_id(connector);
270 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
271 struct drm_panel *panel = msm_dsi->panel;
277 /* Since we have 2 connectors, but only 1 drm_panel in dual DSI mode,
278 * panel should not attach to any connector.
279 * Only temporarily attach panel to the current connector here,
280 * to let panel set mode to this connector.
282 drm_panel_attach(panel, connector);
283 num = drm_panel_get_modes(panel);
284 drm_panel_detach(panel);
289 /* report half resolution to user */
290 dsi_dual_connector_fix_modes(connector);
291 ret = dsi_dual_connector_tile_init(connector, id);
294 ret = drm_mode_connector_set_tile_property(connector);
296 pr_err("%s: set tile property failed, %d\n",
305 static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector,
306 struct drm_display_mode *mode)
308 int id = dsi_mgr_connector_get_id(connector);
309 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
310 struct drm_encoder *encoder = msm_dsi_get_encoder(msm_dsi);
311 struct msm_drm_private *priv = connector->dev->dev_private;
312 struct msm_kms *kms = priv->kms;
313 long actual, requested;
316 requested = 1000 * mode->clock;
317 actual = kms->funcs->round_pixclk(kms, requested, encoder);
319 DBG("requested=%ld, actual=%ld", requested, actual);
320 if (actual != requested)
321 return MODE_CLOCK_RANGE;
326 static struct drm_encoder *
327 dsi_mgr_connector_best_encoder(struct drm_connector *connector)
329 int id = dsi_mgr_connector_get_id(connector);
330 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
333 return msm_dsi_get_encoder(msm_dsi);
336 static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
338 int id = dsi_mgr_bridge_get_id(bridge);
339 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
340 struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
341 struct mipi_dsi_host *host = msm_dsi->host;
342 struct drm_panel *panel = msm_dsi->panel;
343 bool is_dual_dsi = IS_DUAL_DSI();
347 if (!msm_dsi_device_connected(msm_dsi) ||
348 (is_dual_dsi && (DSI_1 == id)))
351 ret = msm_dsi_host_power_on(host);
353 pr_err("%s: power on host %d failed, %d\n", __func__, id, ret);
357 if (is_dual_dsi && msm_dsi1) {
358 ret = msm_dsi_host_power_on(msm_dsi1->host);
360 pr_err("%s: power on host1 failed, %d\n",
366 /* Always call panel functions once, because even for dual panels,
367 * there is only one drm_panel instance.
370 ret = drm_panel_prepare(panel);
372 pr_err("%s: prepare panel %d failed, %d\n", __func__,
374 goto panel_prep_fail;
378 ret = msm_dsi_host_enable(host);
380 pr_err("%s: enable host %d failed, %d\n", __func__, id, ret);
384 if (is_dual_dsi && msm_dsi1) {
385 ret = msm_dsi_host_enable(msm_dsi1->host);
387 pr_err("%s: enable host1 failed, %d\n", __func__, ret);
393 ret = drm_panel_enable(panel);
395 pr_err("%s: enable panel %d failed, %d\n", __func__, id,
404 if (is_dual_dsi && msm_dsi1)
405 msm_dsi_host_disable(msm_dsi1->host);
407 msm_dsi_host_disable(host);
410 drm_panel_unprepare(panel);
412 if (is_dual_dsi && msm_dsi1)
413 msm_dsi_host_power_off(msm_dsi1->host);
415 msm_dsi_host_power_off(host);
420 static void dsi_mgr_bridge_enable(struct drm_bridge *bridge)
425 static void dsi_mgr_bridge_disable(struct drm_bridge *bridge)
430 static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
432 int id = dsi_mgr_bridge_get_id(bridge);
433 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
434 struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
435 struct mipi_dsi_host *host = msm_dsi->host;
436 struct drm_panel *panel = msm_dsi->panel;
437 struct msm_dsi_pll *src_pll;
438 bool is_dual_dsi = IS_DUAL_DSI();
443 if (!msm_dsi_device_connected(msm_dsi) ||
444 (is_dual_dsi && (DSI_1 == id)))
448 ret = drm_panel_disable(panel);
450 pr_err("%s: Panel %d OFF failed, %d\n", __func__, id,
454 ret = msm_dsi_host_disable(host);
456 pr_err("%s: host %d disable failed, %d\n", __func__, id, ret);
458 if (is_dual_dsi && msm_dsi1) {
459 ret = msm_dsi_host_disable(msm_dsi1->host);
461 pr_err("%s: host1 disable failed, %d\n", __func__, ret);
465 ret = drm_panel_unprepare(panel);
467 pr_err("%s: Panel %d unprepare failed,%d\n", __func__,
471 /* Save PLL status if it is a clock source */
472 src_pll = msm_dsi_phy_get_pll(msm_dsi->phy);
473 msm_dsi_pll_save_state(src_pll);
475 ret = msm_dsi_host_power_off(host);
477 pr_err("%s: host %d power off failed,%d\n", __func__, id, ret);
479 if (is_dual_dsi && msm_dsi1) {
480 ret = msm_dsi_host_power_off(msm_dsi1->host);
482 pr_err("%s: host1 power off failed, %d\n",
487 static void dsi_mgr_bridge_mode_set(struct drm_bridge *bridge,
488 struct drm_display_mode *mode,
489 struct drm_display_mode *adjusted_mode)
491 int id = dsi_mgr_bridge_get_id(bridge);
492 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
493 struct msm_dsi *other_dsi = dsi_mgr_get_other_dsi(id);
494 struct mipi_dsi_host *host = msm_dsi->host;
495 bool is_dual_dsi = IS_DUAL_DSI();
497 DBG("set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
498 mode->base.id, mode->name,
499 mode->vrefresh, mode->clock,
500 mode->hdisplay, mode->hsync_start,
501 mode->hsync_end, mode->htotal,
502 mode->vdisplay, mode->vsync_start,
503 mode->vsync_end, mode->vtotal,
504 mode->type, mode->flags);
506 if (is_dual_dsi && (DSI_1 == id))
509 msm_dsi_host_set_display_mode(host, adjusted_mode);
510 if (is_dual_dsi && other_dsi)
511 msm_dsi_host_set_display_mode(other_dsi->host, adjusted_mode);
514 static const struct drm_connector_funcs dsi_mgr_connector_funcs = {
515 .dpms = drm_atomic_helper_connector_dpms,
516 .detect = dsi_mgr_connector_detect,
517 .fill_modes = drm_helper_probe_single_connector_modes,
518 .destroy = dsi_mgr_connector_destroy,
519 .reset = drm_atomic_helper_connector_reset,
520 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
521 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
524 static const struct drm_connector_helper_funcs dsi_mgr_conn_helper_funcs = {
525 .get_modes = dsi_mgr_connector_get_modes,
526 .mode_valid = dsi_mgr_connector_mode_valid,
527 .best_encoder = dsi_mgr_connector_best_encoder,
530 static const struct drm_bridge_funcs dsi_mgr_bridge_funcs = {
531 .pre_enable = dsi_mgr_bridge_pre_enable,
532 .enable = dsi_mgr_bridge_enable,
533 .disable = dsi_mgr_bridge_disable,
534 .post_disable = dsi_mgr_bridge_post_disable,
535 .mode_set = dsi_mgr_bridge_mode_set,
538 /* initialize connector when we're connected to a drm_panel */
539 struct drm_connector *msm_dsi_manager_connector_init(u8 id)
541 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
542 struct drm_connector *connector = NULL;
543 struct dsi_connector *dsi_connector;
546 dsi_connector = devm_kzalloc(msm_dsi->dev->dev,
547 sizeof(*dsi_connector), GFP_KERNEL);
548 if (!dsi_connector) {
553 dsi_connector->id = id;
555 connector = &dsi_connector->base;
557 ret = drm_connector_init(msm_dsi->dev, connector,
558 &dsi_mgr_connector_funcs, DRM_MODE_CONNECTOR_DSI);
562 drm_connector_helper_add(connector, &dsi_mgr_conn_helper_funcs);
564 /* Enable HPD to let hpd event is handled
565 * when panel is attached to the host.
567 connector->polled = DRM_CONNECTOR_POLL_HPD;
569 /* Display driver doesn't support interlace now. */
570 connector->interlace_allowed = 0;
571 connector->doublescan_allowed = 0;
573 ret = drm_connector_register(connector);
577 for (i = 0; i < MSM_DSI_ENCODER_NUM; i++)
578 drm_mode_connector_attach_encoder(connector,
579 msm_dsi->encoders[i]);
585 dsi_mgr_connector_destroy(connector);
590 /* initialize bridge */
591 struct drm_bridge *msm_dsi_manager_bridge_init(u8 id)
593 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
594 struct drm_bridge *bridge = NULL;
595 struct dsi_bridge *dsi_bridge;
598 dsi_bridge = devm_kzalloc(msm_dsi->dev->dev,
599 sizeof(*dsi_bridge), GFP_KERNEL);
607 bridge = &dsi_bridge->base;
608 bridge->funcs = &dsi_mgr_bridge_funcs;
610 ret = drm_bridge_attach(msm_dsi->dev, bridge);
618 msm_dsi_manager_bridge_destroy(bridge);
623 struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id)
625 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
626 struct drm_device *dev = msm_dsi->dev;
627 struct drm_encoder *encoder;
628 struct drm_bridge *int_bridge, *ext_bridge;
629 struct drm_connector *connector;
630 struct list_head *connector_list;
632 int_bridge = msm_dsi->bridge;
633 ext_bridge = msm_dsi->external_bridge =
634 msm_dsi_host_get_bridge(msm_dsi->host);
637 * HACK: we may not know the external DSI bridge device's mode
638 * flags here. We'll get to know them only when the device
639 * attaches to the dsi host. For now, assume the bridge supports
642 encoder = msm_dsi->encoders[MSM_DSI_VIDEO_ENCODER_ID];
644 /* link the internal dsi bridge to the external bridge */
645 int_bridge->next = ext_bridge;
646 /* set the external bridge's encoder as dsi's encoder */
647 ext_bridge->encoder = encoder;
649 drm_bridge_attach(dev, ext_bridge);
652 * we need the drm_connector created by the external bridge
653 * driver (or someone else) to feed it to our driver's
654 * priv->connector[] list, mainly for msm_fbdev_init()
656 connector_list = &dev->mode_config.connector_list;
658 list_for_each_entry(connector, connector_list, head) {
661 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
662 if (connector->encoder_ids[i] == encoder->base.id)
667 return ERR_PTR(-ENODEV);
670 void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge)
674 int msm_dsi_manager_phy_enable(int id,
675 const unsigned long bit_rate, const unsigned long esc_rate,
676 u32 *clk_pre, u32 *clk_post)
678 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
679 struct msm_dsi_phy *phy = msm_dsi->phy;
680 int src_pll_id = IS_DUAL_DSI() ? DSI_CLOCK_MASTER : id;
681 struct msm_dsi_pll *pll = msm_dsi_phy_get_pll(msm_dsi->phy);
684 ret = msm_dsi_phy_enable(phy, src_pll_id, bit_rate, esc_rate);
689 * Reset DSI PHY silently changes its PLL registers to reset status,
690 * which will confuse clock driver and result in wrong output rate of
691 * link clocks. Restore PLL status if its PLL is being used as clock
694 if (!IS_DUAL_DSI() || (id == DSI_CLOCK_MASTER)) {
695 ret = msm_dsi_pll_restore_state(pll);
697 pr_err("%s: failed to restore pll state\n", __func__);
698 msm_dsi_phy_disable(phy);
703 msm_dsi->phy_enabled = true;
704 msm_dsi_phy_get_clk_pre_post(phy, clk_pre, clk_post);
709 void msm_dsi_manager_phy_disable(int id)
711 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
712 struct msm_dsi *mdsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER);
713 struct msm_dsi *sdsi = dsi_mgr_get_dsi(DSI_CLOCK_SLAVE);
714 struct msm_dsi_phy *phy = msm_dsi->phy;
715 struct msm_dsi_pll *pll = msm_dsi_phy_get_pll(msm_dsi->phy);
717 /* Save PLL status if it is a clock source */
718 if (!IS_DUAL_DSI() || (id == DSI_CLOCK_MASTER))
719 msm_dsi_pll_save_state(pll);
722 * In dual-dsi configuration, the phy should be disabled for the
723 * first controller only when the second controller is disabled.
725 msm_dsi->phy_enabled = false;
726 if (IS_DUAL_DSI() && mdsi && sdsi) {
727 if (!mdsi->phy_enabled && !sdsi->phy_enabled) {
728 msm_dsi_phy_disable(sdsi->phy);
729 msm_dsi_phy_disable(mdsi->phy);
732 msm_dsi_phy_disable(phy);
736 int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg)
738 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
739 struct msm_dsi *msm_dsi0 = dsi_mgr_get_dsi(DSI_0);
740 struct mipi_dsi_host *host = msm_dsi->host;
741 bool is_read = (msg->rx_buf && msg->rx_len);
742 bool need_sync = (IS_SYNC_NEEDED() && !is_read);
745 if (!msg->tx_buf || !msg->tx_len)
748 /* In dual master case, panel requires the same commands sent to
749 * both DSI links. Host issues the command trigger to both links
750 * when DSI_1 calls the cmd transfer function, no matter it happens
751 * before or after DSI_0 cmd transfer.
753 if (need_sync && (id == DSI_0))
754 return is_read ? msg->rx_len : msg->tx_len;
756 if (need_sync && msm_dsi0) {
757 ret = msm_dsi_host_xfer_prepare(msm_dsi0->host, msg);
759 pr_err("%s: failed to prepare non-trigger host, %d\n",
764 ret = msm_dsi_host_xfer_prepare(host, msg);
766 pr_err("%s: failed to prepare host, %d\n", __func__, ret);
770 ret = is_read ? msm_dsi_host_cmd_rx(host, msg) :
771 msm_dsi_host_cmd_tx(host, msg);
773 msm_dsi_host_xfer_restore(host, msg);
776 if (need_sync && msm_dsi0)
777 msm_dsi_host_xfer_restore(msm_dsi0->host, msg);
782 bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 iova, u32 len)
784 struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
785 struct msm_dsi *msm_dsi0 = dsi_mgr_get_dsi(DSI_0);
786 struct mipi_dsi_host *host = msm_dsi->host;
788 if (IS_SYNC_NEEDED() && (id == DSI_0))
791 if (IS_SYNC_NEEDED() && msm_dsi0)
792 msm_dsi_host_cmd_xfer_commit(msm_dsi0->host, iova, len);
794 msm_dsi_host_cmd_xfer_commit(host, iova, len);
799 int msm_dsi_manager_register(struct msm_dsi *msm_dsi)
801 struct msm_dsi_manager *msm_dsim = &msm_dsim_glb;
802 int id = msm_dsi->id;
806 pr_err("%s: invalid id %d\n", __func__, id);
810 if (msm_dsim->dsi[id]) {
811 pr_err("%s: dsi%d already registered\n", __func__, id);
815 msm_dsim->dsi[id] = msm_dsi;
817 ret = dsi_mgr_parse_dual_dsi(msm_dsi->pdev->dev.of_node, id);
819 pr_err("%s: failed to parse dual DSI info\n", __func__);
823 ret = dsi_mgr_host_register(id);
825 pr_err("%s: failed to register mipi dsi host for DSI %d\n",
833 msm_dsim->dsi[id] = NULL;
837 void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi)
839 struct msm_dsi_manager *msm_dsim = &msm_dsim_glb;
842 msm_dsi_host_unregister(msm_dsi->host);
843 msm_dsim->dsi[msm_dsi->id] = NULL;