diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_host.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 299 |
1 files changed, 89 insertions, 210 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index a34078497af1..7fbf391c024f 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -33,7 +33,7 @@ #define DSI_RESET_TOGGLE_DELAY_MS 20 -static int dsi_populate_dsc_params(struct msm_display_dsc_config *dsc); +static int dsi_populate_dsc_params(struct drm_dsc_config *dsc); static int dsi_get_version(const void __iomem *base, u32 *major, u32 *minor) { @@ -108,7 +108,7 @@ struct msm_dsi_host { void __iomem *ctrl_base; phys_addr_t ctrl_size; - struct regulator_bulk_data supplies[DSI_DEV_REGULATOR_MAX]; + struct regulator_bulk_data *supplies; int num_bus_clks; struct clk_bulk_data bus_clks[DSI_BUS_CLK_MAX]; @@ -144,7 +144,6 @@ struct msm_dsi_host { u32 err_work_state; struct work_struct err_work; - struct work_struct hpd_work; struct workqueue_struct *workqueue; /* DSI 6G TX buffer*/ @@ -161,10 +160,9 @@ struct msm_dsi_host { struct regmap *sfpb; struct drm_display_mode *mode; - struct msm_display_dsc_config *dsc; + struct drm_dsc_config *dsc; /* connected device info */ - struct device_node *device_node; unsigned int channel; unsigned int lanes; enum mipi_dsi_pixel_format format; @@ -205,9 +203,6 @@ static inline void dsi_write(struct msm_dsi_host *msm_host, u32 reg, u32 data) msm_writel(data, msm_host->ctrl_base + reg); } -static int dsi_host_regulator_enable(struct msm_dsi_host *msm_host); -static void dsi_host_regulator_disable(struct msm_dsi_host *msm_host); - static const struct msm_dsi_cfg_handler *dsi_get_config( struct msm_dsi_host *msm_host) { @@ -258,76 +253,6 @@ static inline struct msm_dsi_host *to_msm_dsi_host(struct mipi_dsi_host *host) return container_of(host, struct msm_dsi_host, base); } -static void dsi_host_regulator_disable(struct msm_dsi_host *msm_host) -{ - struct regulator_bulk_data *s = msm_host->supplies; - const struct dsi_reg_entry *regs = msm_host->cfg_hnd->cfg->reg_cfg.regs; - int num = msm_host->cfg_hnd->cfg->reg_cfg.num; - int i; - - DBG(""); - for (i = num - 1; i >= 0; i--) - if (regs[i].disable_load >= 0) - regulator_set_load(s[i].consumer, - regs[i].disable_load); - - regulator_bulk_disable(num, s); -} - -static int dsi_host_regulator_enable(struct msm_dsi_host *msm_host) -{ - struct regulator_bulk_data *s = msm_host->supplies; - const struct dsi_reg_entry *regs = msm_host->cfg_hnd->cfg->reg_cfg.regs; - int num = msm_host->cfg_hnd->cfg->reg_cfg.num; - int ret, i; - - DBG(""); - for (i = 0; i < num; i++) { - if (regs[i].enable_load >= 0) { - ret = regulator_set_load(s[i].consumer, - regs[i].enable_load); - if (ret < 0) { - pr_err("regulator %d set op mode failed, %d\n", - i, ret); - goto fail; - } - } - } - - ret = regulator_bulk_enable(num, s); - if (ret < 0) { - pr_err("regulator enable failed, %d\n", ret); - goto fail; - } - - return 0; - -fail: - for (i--; i >= 0; i--) - regulator_set_load(s[i].consumer, regs[i].disable_load); - return ret; -} - -static int dsi_regulator_init(struct msm_dsi_host *msm_host) -{ - struct regulator_bulk_data *s = msm_host->supplies; - const struct dsi_reg_entry *regs = msm_host->cfg_hnd->cfg->reg_cfg.regs; - int num = msm_host->cfg_hnd->cfg->reg_cfg.num; - int i, ret; - - for (i = 0; i < num; i++) - s[i].supply = regs[i].name; - - ret = devm_regulator_bulk_get(&msm_host->pdev->dev, num, s); - if (ret < 0) { - pr_err("%s: failed to init regulator, ret=%d\n", - __func__, ret); - return ret; - } - - return 0; -} - int dsi_clk_init_v2(struct msm_dsi_host *msm_host) { struct platform_device *pdev = msm_host->pdev; @@ -916,7 +841,7 @@ static void dsi_ctrl_config(struct msm_dsi_host *msm_host, bool enable, static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mode, u32 hdisplay) { - struct msm_display_dsc_config *dsc = msm_host->dsc; + struct drm_dsc_config *dsc = msm_host->dsc; u32 reg, intf_width, reg_ctrl, reg_ctrl2; u32 slice_per_intf, total_bytes_per_intf; u32 pkt_per_line; @@ -927,24 +852,24 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod * compress mode registers */ intf_width = hdisplay; - slice_per_intf = DIV_ROUND_UP(intf_width, dsc->drm->slice_width); + slice_per_intf = DIV_ROUND_UP(intf_width, dsc->slice_width); /* If slice_per_pkt is greater than slice_per_intf * then default to 1. This can happen during partial * update. */ - if (slice_per_intf > dsc->drm->slice_count) - dsc->drm->slice_count = 1; + if (slice_per_intf > dsc->slice_count) + dsc->slice_count = 1; - slice_per_intf = DIV_ROUND_UP(hdisplay, dsc->drm->slice_width); - bytes_in_slice = DIV_ROUND_UP(dsc->drm->slice_width * dsc->drm->bits_per_pixel, 8); + slice_per_intf = DIV_ROUND_UP(hdisplay, dsc->slice_width); + bytes_in_slice = DIV_ROUND_UP(dsc->slice_width * dsc->bits_per_pixel, 8); - dsc->drm->slice_chunk_size = bytes_in_slice; + dsc->slice_chunk_size = bytes_in_slice; total_bytes_per_intf = bytes_in_slice * slice_per_intf; eol_byte_num = total_bytes_per_intf % 3; - pkt_per_line = slice_per_intf / dsc->drm->slice_count; + pkt_per_line = slice_per_intf / dsc->slice_count; if (is_cmd_mode) /* packet data type */ reg = DSI_COMMAND_COMPRESSION_MODE_CTRL_STREAM0_DATATYPE(MIPI_DSI_DCS_LONG_WRITE); @@ -1009,7 +934,7 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi) } if (msm_host->dsc) { - struct msm_display_dsc_config *dsc = msm_host->dsc; + struct drm_dsc_config *dsc = msm_host->dsc; /* update dsc params with timing params */ if (!dsc || !mode->hdisplay || !mode->vdisplay) { @@ -1018,9 +943,9 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi) return; } - dsc->drm->pic_width = mode->hdisplay; - dsc->drm->pic_height = mode->vdisplay; - DBG("Mode %dx%d\n", dsc->drm->pic_width, dsc->drm->pic_height); + dsc->pic_width = mode->hdisplay; + dsc->pic_height = mode->vdisplay; + DBG("Mode %dx%d\n", dsc->pic_width, dsc->pic_height); /* we do the calculations for dsc parameters here so that * panel can use these parameters @@ -1500,14 +1425,6 @@ static int dsi_cmds2buf_tx(struct msm_dsi_host *msm_host, return len; } -static void dsi_hpd_worker(struct work_struct *work) -{ - struct msm_dsi_host *msm_host = - container_of(work, struct msm_dsi_host, hpd_work); - - drm_helper_hpd_irq_event(msm_host->dev); -} - static void dsi_err_worker(struct work_struct *work) { struct msm_dsi_host *msm_host = @@ -1686,6 +1603,8 @@ static int dsi_host_attach(struct mipi_dsi_host *host, msm_host->lanes = dsi->lanes; msm_host->format = dsi->format; msm_host->mode_flags = dsi->mode_flags; + if (dsi->dsc) + msm_host->dsc = dsi->dsc; /* Some gpios defined in panel DT need to be controlled by host */ ret = dsi_host_init_panel_gpios(msm_host, &dsi->dev); @@ -1697,8 +1616,6 @@ static int dsi_host_attach(struct mipi_dsi_host *host, return ret; DBG("id=%d", msm_host->id); - if (msm_host->dev) - queue_work(msm_host->workqueue, &msm_host->hpd_work); return 0; } @@ -1710,11 +1627,7 @@ static int dsi_host_detach(struct mipi_dsi_host *host, dsi_dev_detach(msm_host->pdev); - msm_host->device_node = NULL; - DBG("id=%d", msm_host->id); - if (msm_host->dev) - queue_work(msm_host->workqueue, &msm_host->hpd_work); return 0; } @@ -1841,7 +1754,7 @@ static char bpg_offset[DSC_NUM_BUF_RANGES] = { 2, 0, 0, -2, -4, -6, -8, -8, -8, -10, -10, -12, -12, -12, -12 }; -static int dsi_populate_dsc_params(struct msm_display_dsc_config *dsc) +static int dsi_populate_dsc_params(struct drm_dsc_config *dsc) { int mux_words_size; int groups_per_line, groups_total; @@ -1854,98 +1767,98 @@ static int dsi_populate_dsc_params(struct msm_display_dsc_config *dsc) int final_value, final_scale; int i; - dsc->drm->rc_model_size = 8192; - dsc->drm->first_line_bpg_offset = 12; - dsc->drm->rc_edge_factor = 6; - dsc->drm->rc_tgt_offset_high = 3; - dsc->drm->rc_tgt_offset_low = 3; - dsc->drm->simple_422 = 0; - dsc->drm->convert_rgb = 1; - dsc->drm->vbr_enable = 0; + dsc->rc_model_size = 8192; + dsc->first_line_bpg_offset = 12; + dsc->rc_edge_factor = 6; + dsc->rc_tgt_offset_high = 3; + dsc->rc_tgt_offset_low = 3; + dsc->simple_422 = 0; + dsc->convert_rgb = 1; + dsc->vbr_enable = 0; /* handle only bpp = bpc = 8 */ for (i = 0; i < DSC_NUM_BUF_RANGES - 1 ; i++) - dsc->drm->rc_buf_thresh[i] = dsi_dsc_rc_buf_thresh[i]; + dsc->rc_buf_thresh[i] = dsi_dsc_rc_buf_thresh[i]; for (i = 0; i < DSC_NUM_BUF_RANGES; i++) { - dsc->drm->rc_range_params[i].range_min_qp = min_qp[i]; - dsc->drm->rc_range_params[i].range_max_qp = max_qp[i]; - dsc->drm->rc_range_params[i].range_bpg_offset = bpg_offset[i]; + dsc->rc_range_params[i].range_min_qp = min_qp[i]; + dsc->rc_range_params[i].range_max_qp = max_qp[i]; + dsc->rc_range_params[i].range_bpg_offset = bpg_offset[i]; } - dsc->drm->initial_offset = 6144; /* Not bpp 12 */ - if (dsc->drm->bits_per_pixel != 8) - dsc->drm->initial_offset = 2048; /* bpp = 12 */ + dsc->initial_offset = 6144; /* Not bpp 12 */ + if (dsc->bits_per_pixel != 8) + dsc->initial_offset = 2048; /* bpp = 12 */ mux_words_size = 48; /* bpc == 8/10 */ - if (dsc->drm->bits_per_component == 12) + if (dsc->bits_per_component == 12) mux_words_size = 64; - dsc->drm->initial_xmit_delay = 512; - dsc->drm->initial_scale_value = 32; - dsc->drm->first_line_bpg_offset = 12; - dsc->drm->line_buf_depth = dsc->drm->bits_per_component + 1; + dsc->initial_xmit_delay = 512; + dsc->initial_scale_value = 32; + dsc->first_line_bpg_offset = 12; + dsc->line_buf_depth = dsc->bits_per_component + 1; /* bpc 8 */ - dsc->drm->flatness_min_qp = 3; - dsc->drm->flatness_max_qp = 12; - dsc->drm->rc_quant_incr_limit0 = 11; - dsc->drm->rc_quant_incr_limit1 = 11; - dsc->drm->mux_word_size = DSC_MUX_WORD_SIZE_8_10_BPC; + dsc->flatness_min_qp = 3; + dsc->flatness_max_qp = 12; + dsc->rc_quant_incr_limit0 = 11; + dsc->rc_quant_incr_limit1 = 11; + dsc->mux_word_size = DSC_MUX_WORD_SIZE_8_10_BPC; /* FIXME: need to call drm_dsc_compute_rc_parameters() so that rest of * params are calculated */ - groups_per_line = DIV_ROUND_UP(dsc->drm->slice_width, 3); - dsc->drm->slice_chunk_size = dsc->drm->slice_width * dsc->drm->bits_per_pixel / 8; - if ((dsc->drm->slice_width * dsc->drm->bits_per_pixel) % 8) - dsc->drm->slice_chunk_size++; + groups_per_line = DIV_ROUND_UP(dsc->slice_width, 3); + dsc->slice_chunk_size = dsc->slice_width * dsc->bits_per_pixel / 8; + if ((dsc->slice_width * dsc->bits_per_pixel) % 8) + dsc->slice_chunk_size++; /* rbs-min */ - min_rate_buffer_size = dsc->drm->rc_model_size - dsc->drm->initial_offset + - dsc->drm->initial_xmit_delay * dsc->drm->bits_per_pixel + - groups_per_line * dsc->drm->first_line_bpg_offset; + min_rate_buffer_size = dsc->rc_model_size - dsc->initial_offset + + dsc->initial_xmit_delay * dsc->bits_per_pixel + + groups_per_line * dsc->first_line_bpg_offset; - hrd_delay = DIV_ROUND_UP(min_rate_buffer_size, dsc->drm->bits_per_pixel); + hrd_delay = DIV_ROUND_UP(min_rate_buffer_size, dsc->bits_per_pixel); - dsc->drm->initial_dec_delay = hrd_delay - dsc->drm->initial_xmit_delay; + dsc->initial_dec_delay = hrd_delay - dsc->initial_xmit_delay; - dsc->drm->initial_scale_value = 8 * dsc->drm->rc_model_size / - (dsc->drm->rc_model_size - dsc->drm->initial_offset); + dsc->initial_scale_value = 8 * dsc->rc_model_size / + (dsc->rc_model_size - dsc->initial_offset); - slice_bits = 8 * dsc->drm->slice_chunk_size * dsc->drm->slice_height; + slice_bits = 8 * dsc->slice_chunk_size * dsc->slice_height; - groups_total = groups_per_line * dsc->drm->slice_height; + groups_total = groups_per_line * dsc->slice_height; - data = dsc->drm->first_line_bpg_offset * 2048; + data = dsc->first_line_bpg_offset * 2048; - dsc->drm->nfl_bpg_offset = DIV_ROUND_UP(data, (dsc->drm->slice_height - 1)); + dsc->nfl_bpg_offset = DIV_ROUND_UP(data, (dsc->slice_height - 1)); - pre_num_extra_mux_bits = 3 * (mux_words_size + (4 * dsc->drm->bits_per_component + 4) - 2); + pre_num_extra_mux_bits = 3 * (mux_words_size + (4 * dsc->bits_per_component + 4) - 2); num_extra_mux_bits = pre_num_extra_mux_bits - (mux_words_size - ((slice_bits - pre_num_extra_mux_bits) % mux_words_size)); - data = 2048 * (dsc->drm->rc_model_size - dsc->drm->initial_offset + num_extra_mux_bits); - dsc->drm->slice_bpg_offset = DIV_ROUND_UP(data, groups_total); + data = 2048 * (dsc->rc_model_size - dsc->initial_offset + num_extra_mux_bits); + dsc->slice_bpg_offset = DIV_ROUND_UP(data, groups_total); /* bpp * 16 + 0.5 */ - data = dsc->drm->bits_per_pixel * 16; + data = dsc->bits_per_pixel * 16; data *= 2; data++; data /= 2; target_bpp_x16 = data; - data = (dsc->drm->initial_xmit_delay * target_bpp_x16) / 16; - final_value = dsc->drm->rc_model_size - data + num_extra_mux_bits; - dsc->drm->final_offset = final_value; + data = (dsc->initial_xmit_delay * target_bpp_x16) / 16; + final_value = dsc->rc_model_size - data + num_extra_mux_bits; + dsc->final_offset = final_value; - final_scale = 8 * dsc->drm->rc_model_size / (dsc->drm->rc_model_size - final_value); + final_scale = 8 * dsc->rc_model_size / (dsc->rc_model_size - final_value); - data = (final_scale - 9) * (dsc->drm->nfl_bpg_offset + dsc->drm->slice_bpg_offset); - dsc->drm->scale_increment_interval = (2048 * dsc->drm->final_offset) / data; + data = (final_scale - 9) * (dsc->nfl_bpg_offset + dsc->slice_bpg_offset); + dsc->scale_increment_interval = (2048 * dsc->final_offset) / data; - dsc->drm->scale_decrement_interval = groups_per_line / (dsc->drm->initial_scale_value - 8); + dsc->scale_decrement_interval = groups_per_line / (dsc->initial_scale_value - 8); return 0; } @@ -1954,7 +1867,7 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) { struct device *dev = &msm_host->pdev->dev; struct device_node *np = dev->of_node; - struct device_node *endpoint, *device_node; + struct device_node *endpoint; int ret = 0; /* @@ -1977,16 +1890,6 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) goto err; } - /* Get panel node from the output port's endpoint data */ - device_node = of_graph_get_remote_node(np, 1, 0); - if (!device_node) { - DRM_DEV_DEBUG(dev, "%s: no valid device\n", __func__); - ret = -ENODEV; - goto err; - } - - msm_host->device_node = device_node; - if (of_property_read_bool(np, "syscon-sfpb")) { msm_host->sfpb = syscon_regmap_lookup_by_phandle(np, "syscon-sfpb"); @@ -1997,8 +1900,6 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) } } - of_node_put(device_node); - err: of_node_put(endpoint); @@ -2028,6 +1929,7 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) { struct msm_dsi_host *msm_host = NULL; struct platform_device *pdev = msm_dsi->pdev; + const struct msm_dsi_config *cfg; int ret; msm_host = devm_kzalloc(&pdev->dev, sizeof(*msm_host), GFP_KERNEL); @@ -2060,6 +1962,7 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) pr_err("%s: get config failed\n", __func__); goto fail; } + cfg = msm_host->cfg_hnd->cfg; msm_host->id = dsi_host_get_id(msm_host); if (msm_host->id < 0) { @@ -2069,13 +1972,13 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) } /* fixup base address by io offset */ - msm_host->ctrl_base += msm_host->cfg_hnd->cfg->io_offset; + msm_host->ctrl_base += cfg->io_offset; - ret = dsi_regulator_init(msm_host); - if (ret) { - pr_err("%s: regulator init failed\n", __func__); + ret = devm_regulator_bulk_get_const(&pdev->dev, cfg->num_regulators, + cfg->regulator_data, + &msm_host->supplies); + if (ret) goto fail; - } ret = dsi_clk_init(msm_host); if (ret) { @@ -2126,7 +2029,6 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) /* setup workqueue */ msm_host->workqueue = alloc_ordered_workqueue("dsi_drm_work", 0); INIT_WORK(&msm_host->err_work, dsi_err_worker); - INIT_WORK(&msm_host->hpd_work, dsi_hpd_worker); msm_dsi->id = msm_host->id; @@ -2159,23 +2061,9 @@ int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; - struct drm_panel *panel; int ret; msm_host->dev = dev; - panel = msm_dsi_host_get_panel(&msm_host->base); - - if (!IS_ERR(panel) && panel->dsc) { - struct msm_display_dsc_config *dsc = msm_host->dsc; - - if (!dsc) { - dsc = devm_kzalloc(&msm_host->pdev->dev, sizeof(*dsc), GFP_KERNEL); - if (!dsc) - return -ENOMEM; - dsc->drm = panel->dsc; - msm_host->dsc = dsc; - } - } ret = cfg_hnd->ops->tx_buf_alloc(msm_host, SZ_4K); if (ret) { @@ -2556,7 +2444,8 @@ int msm_dsi_host_power_on(struct mipi_dsi_host *host, msm_dsi_sfpb_config(msm_host, true); - ret = dsi_host_regulator_enable(msm_host); + ret = regulator_bulk_enable(msm_host->cfg_hnd->cfg->num_regulators, + msm_host->supplies); if (ret) { pr_err("%s:Failed to enable vregs.ret=%d\n", __func__, ret); @@ -2596,7 +2485,8 @@ fail_disable_clk: cfg_hnd->ops->link_clk_disable(msm_host); pm_runtime_put(&msm_host->pdev->dev); fail_disable_reg: - dsi_host_regulator_disable(msm_host); + regulator_bulk_disable(msm_host->cfg_hnd->cfg->num_regulators, + msm_host->supplies); unlock_ret: mutex_unlock(&msm_host->dev_mutex); return ret; @@ -2623,7 +2513,8 @@ int msm_dsi_host_power_off(struct mipi_dsi_host *host) cfg_hnd->ops->link_clk_disable(msm_host); pm_runtime_put(&msm_host->pdev->dev); - dsi_host_regulator_disable(msm_host); + regulator_bulk_disable(msm_host->cfg_hnd->cfg->num_regulators, + msm_host->supplies); msm_dsi_sfpb_config(msm_host, false); @@ -2659,45 +2550,33 @@ enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host, const struct drm_display_mode *mode) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); - struct msm_display_dsc_config *dsc = msm_host->dsc; + struct drm_dsc_config *dsc = msm_host->dsc; int pic_width = mode->hdisplay; int pic_height = mode->vdisplay; if (!msm_host->dsc) return MODE_OK; - if (pic_width % dsc->drm->slice_width) { + if (pic_width % dsc->slice_width) { pr_err("DSI: pic_width %d has to be multiple of slice %d\n", - pic_width, dsc->drm->slice_width); + pic_width, dsc->slice_width); return MODE_H_ILLEGAL; } - if (pic_height % dsc->drm->slice_height) { + if (pic_height % dsc->slice_height) { pr_err("DSI: pic_height %d has to be multiple of slice %d\n", - pic_height, dsc->drm->slice_height); + pic_height, dsc->slice_height); return MODE_V_ILLEGAL; } return MODE_OK; } -struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host) -{ - return of_drm_find_panel(to_msm_dsi_host(host)->device_node); -} - unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host) { return to_msm_dsi_host(host)->mode_flags; } -struct drm_bridge *msm_dsi_host_get_bridge(struct mipi_dsi_host *host) -{ - struct msm_dsi_host *msm_host = to_msm_dsi_host(host); - - return of_drm_find_bridge(msm_host->device_node); -} - void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); @@ -2771,7 +2650,7 @@ void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host) DSI_TEST_PATTERN_GEN_CMD_STREAM0_TRIGGER_SW_TRIGGER); } -struct msm_display_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host) +struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); |