| /* Copyright (c) 2013-2018 The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <debug.h> |
| #include <err.h> |
| #include <smem.h> |
| #include <clock.h> |
| #include <msm_panel.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <board.h> |
| #include <mdp5.h> |
| #include <qtimer.h> |
| #include <platform/gpio.h> |
| #include <mipi_dsi.h> |
| #include <partition_parser.h> |
| |
| #include "include/display_resource.h" |
| #include "include/panel.h" |
| #include "panel_display.h" |
| #include "gcdb_display.h" |
| #include "target/display.h" |
| #include "gcdb_autopll.h" |
| |
| /*---------------------------------------------------------------------------*/ |
| /* static */ |
| /*---------------------------------------------------------------------------*/ |
| static struct msm_fb_panel_data panel; |
| struct panel_struct panelstruct; |
| static uint8_t display_enable; |
| static struct mdss_dsi_phy_ctrl dsi_video_mode_phy_db; |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Extern */ |
| /*---------------------------------------------------------------------------*/ |
| extern int msm_display_init(struct msm_fb_panel_data *pdata); |
| extern int msm_display_off(); |
| |
| static uint32_t panel_backlight_ctrl(uint8_t enable) |
| { |
| uint32_t ret = NO_ERROR; |
| if (panelstruct.backlightinfo) |
| ret = target_backlight_ctrl(panelstruct.backlightinfo, enable); |
| return ret; |
| } |
| |
| static uint32_t mdss_dsi_panel_reset(uint8_t enable) |
| { |
| uint32_t ret = NO_ERROR; |
| if (panelstruct.panelresetseq) |
| ret = target_panel_reset(enable, panelstruct.panelresetseq, |
| &panel.panel_info); |
| return ret; |
| } |
| |
| static uint32_t mdss_dsi_panel_clock(uint8_t enable, |
| struct msm_panel_info *pinfo) |
| { |
| uint32_t ret = NO_ERROR; |
| |
| ret = calculate_clock_config(pinfo); |
| if (ret) |
| dprintf(CRITICAL, "Clock calculation failed\n"); |
| else |
| ret = target_panel_clock(enable, pinfo); |
| |
| return ret; |
| } |
| |
| static int mdss_dsi_panel_power(uint8_t enable, |
| struct msm_panel_info *pinfo) |
| { |
| int ret = NO_ERROR; |
| |
| if (enable) { |
| ret = target_ldo_ctrl(enable, pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "LDO control enable failed\n"); |
| return ret; |
| } |
| |
| /* Panel Reset */ |
| if (!panelstruct.paneldata->panel_lp11_init) { |
| ret = mdss_dsi_panel_reset(enable); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset failed\n"); |
| return ret; |
| } |
| } |
| dprintf(SPEW, "Panel power on done\n"); |
| } else { |
| /* Disable panel and ldo */ |
| ret = mdss_dsi_panel_reset(enable); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset disable failed\n"); |
| return ret; |
| } |
| |
| ret = target_ldo_ctrl(enable, pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "ldo control disable failed\n"); |
| return ret; |
| } |
| dprintf(SPEW, "Panel power off done\n"); |
| } |
| |
| return ret; |
| } |
| |
| static int mdss_dsi_panel_pre_init(void) |
| { |
| int ret = NO_ERROR; |
| |
| if (panelstruct.paneldata->panel_lp11_init) { |
| ret = mdss_dsi_panel_reset(1); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset failed\n"); |
| return ret; |
| } |
| } |
| |
| if(panelstruct.paneldata->panel_init_delay) |
| udelay(panelstruct.paneldata->panel_init_delay); |
| |
| dprintf(SPEW, "Panel pre init done\n"); |
| return ret; |
| } |
| |
| static int mdss_dsi_dfps_get_pll_codes_cal(struct msm_panel_info *pinfo) |
| { |
| int ret = NO_ERROR; |
| uint32_t fps_bak; |
| uint32_t i; |
| |
| fps_bak = pinfo->mipi.frame_rate; |
| |
| for (i = 0; i < pinfo->dfps.panel_dfps.frame_rate_cnt; i++) { |
| int err; |
| pinfo->mipi.frame_rate = pinfo->dfps.panel_dfps.frame_rate[i]; |
| |
| err = mdss_dsi_panel_clock(1, pinfo); |
| if (!err) { |
| dprintf(SPEW, "frame_rate=%d, vcorate=%d success!\n", |
| pinfo->mipi.frame_rate, |
| pinfo->mipi.dsi_pll_config->vco_clock); |
| pinfo->dfps.codes_dfps[i].is_valid = 1; |
| pinfo->dfps.codes_dfps[i].frame_rate = |
| pinfo->mipi.frame_rate; |
| pinfo->dfps.codes_dfps[i].clk_rate = |
| pinfo->mipi.dsi_pll_config->vco_clock; |
| pinfo->dfps.codes_dfps[i].pll_codes = |
| pinfo->mipi.pll_codes; |
| |
| mdss_dsi_panel_clock(0, pinfo); |
| } else { |
| ret = err; |
| pinfo->dfps.codes_dfps[i].is_valid = 0; |
| dprintf(CRITICAL, "frame_rate=%d failed!\n", |
| pinfo->mipi.frame_rate); |
| } |
| } |
| |
| pinfo->mipi.frame_rate = fps_bak; |
| |
| return ret; |
| } |
| |
| static int mdss_dsi_dfps_get_stored_pll_codes(struct msm_panel_info *pinfo) |
| { |
| int ret = NO_ERROR; |
| int index; |
| unsigned long long ptn; |
| uint32_t blocksize; |
| struct dfps_info *dfps; |
| |
| index = partition_get_index("splash"); |
| if (index == INVALID_PTN) { |
| dprintf(INFO, "%s: splash partition table not found\n", __func__); |
| ret = ERROR; |
| goto splash_err; |
| } |
| |
| ptn = partition_get_offset(index); |
| if (ptn == 0) { |
| dprintf(CRITICAL, "ERROR: splash Partition invalid offset\n"); |
| ret = ERROR; |
| goto splash_err; |
| } |
| |
| mmc_set_lun(partition_get_lun(index)); |
| |
| blocksize = mmc_get_device_blocksize(); |
| if (blocksize == 0) { |
| dprintf(CRITICAL, "ERROR:splash Partition invalid blocksize\n"); |
| ret = ERROR; |
| goto splash_err; |
| } |
| |
| dfps = (struct dfps_info *)memalign(CACHE_LINE, ROUNDUP(PAGE_SIZE, |
| CACHE_LINE)); |
| if (!dfps) { |
| dprintf(CRITICAL, "ERROR:splash Partition invalid memory\n"); |
| ret = ERROR; |
| goto splash_err; |
| } |
| |
| if (mmc_read(ptn, (uint32_t *) dfps, blocksize)) { |
| dprintf(CRITICAL, "mmc read splash failure%d\n", PAGE_SIZE); |
| ret = ERROR; |
| free(dfps); |
| goto splash_err; |
| } |
| |
| dprintf(SPEW, "enable=%d cnt=%d\n", dfps->panel_dfps.enabled, |
| dfps->panel_dfps.frame_rate_cnt); |
| |
| dprintf(CRITICAL, "chip serial splash =%d\n", dfps->chip_serial); |
| dprintf(CRITICAL, "chip serial pinfo =%d\n", pinfo->dfps.chip_serial); |
| |
| if (!dfps->panel_dfps.enabled || |
| (dfps->panel_dfps.frame_rate_cnt > DFPS_MAX_FRAME_RATE) || |
| (dfps->dfps_fb_base != pinfo->dfps.dfps_fb_base) || |
| (pinfo->dfps.chip_serial != dfps->chip_serial)) { |
| ret = ERROR; |
| free(dfps); |
| goto splash_err; |
| } |
| |
| pinfo->dfps = *dfps; |
| free(dfps); |
| |
| splash_err: |
| return ret; |
| } |
| |
| static int mdss_dsi_dfps_store_pll_codes(struct msm_panel_info *pinfo) |
| { |
| int ret = NO_ERROR; |
| int index; |
| unsigned long long ptn; |
| |
| index = partition_get_index("splash"); |
| if (index == INVALID_PTN) { |
| dprintf(INFO, "%s: splash partition table not found\n", __func__); |
| ret = ERROR; |
| goto store_err; |
| } |
| |
| ptn = partition_get_offset(index); |
| if (ptn == 0) { |
| dprintf(CRITICAL, "ERROR: splash Partition invalid offset\n"); |
| ret = ERROR; |
| goto store_err; |
| } |
| |
| mmc_set_lun(partition_get_lun(index)); |
| |
| ret = mmc_write(ptn, sizeof(uint32_t), &pinfo->dfps); |
| if (ret) |
| dprintf(CRITICAL, "mmc write failed!\n"); |
| |
| store_err: |
| return ret; |
| } |
| |
| static int mdss_dsi_mipi_dfps_config(struct msm_panel_info *pinfo) |
| { |
| int ret = NO_ERROR; |
| |
| if (!pinfo) |
| return ERROR; |
| |
| if (!pinfo->dfps.panel_dfps.enabled) |
| goto dfps_done; |
| |
| pinfo->dfps.chip_serial = board_chip_serial(); |
| |
| if (!mdss_dsi_dfps_get_stored_pll_codes(pinfo)) { |
| dprintf(CRITICAL, "Found stored PLL codes!\n"); |
| goto dfps_cal_done; |
| } |
| |
| dprintf(CRITICAL, "Calculate PLL codes!\n"); |
| ret = mdss_dsi_dfps_get_pll_codes_cal(pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "Cannot cal pll codes!\n"); |
| goto dfps_done; |
| } else { |
| dprintf(SPEW, "Calibrate all pll codes!\n"); |
| } |
| |
| ret = mdss_dsi_dfps_store_pll_codes(pinfo); |
| if (ret) |
| dprintf(CRITICAL, "Cannot store pll codes!\n"); |
| |
| dfps_cal_done: |
| if (pinfo->dfps.dfps_fb_base) |
| memcpy(pinfo->dfps.dfps_fb_base, &pinfo->dfps, |
| sizeof(struct dfps_info)); |
| dfps_done: |
| return ret; |
| } |
| |
| static int mdss_dsi_bl_enable(uint8_t enable) |
| { |
| int ret = NO_ERROR; |
| |
| ret = panel_backlight_ctrl(enable); |
| if (ret) |
| dprintf(CRITICAL, "Backlight %s failed\n", enable ? "enable" : |
| "disable"); |
| return ret; |
| } |
| |
| static void mdss_edp_panel_init(struct msm_panel_info *pinfo) |
| { |
| return target_edp_panel_init(pinfo); |
| } |
| |
| static uint32_t mdss_edp_panel_clock(uint8_t enable, |
| struct msm_panel_info *pinfo) |
| { |
| return target_edp_panel_clock(enable, pinfo); |
| } |
| |
| static uint32_t mdss_edp_panel_enable(void) |
| { |
| return target_edp_panel_enable(); |
| } |
| |
| static uint32_t mdss_edp_panel_disable(void) |
| { |
| return target_edp_panel_disable(); |
| } |
| |
| static int mdss_edp_panel_power(uint8_t enable, |
| struct msm_panel_info *pinfo) |
| { |
| int ret = NO_ERROR; |
| |
| if (enable) { |
| ret = target_ldo_ctrl(enable, pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "LDO control enable failed\n"); |
| return ret; |
| } |
| |
| ret = mdss_edp_panel_enable(); |
| if (ret) { |
| dprintf(CRITICAL, "%s: panel enable failed\n", __func__); |
| return ret; |
| } |
| dprintf(SPEW, "EDP Panel power on done\n"); |
| } else { |
| /* Disable panel and ldo */ |
| ret = mdss_edp_panel_disable(); |
| if (ret) { |
| dprintf(CRITICAL, "%s: panel disable failed\n", __func__); |
| return ret; |
| } |
| |
| ret = target_ldo_ctrl(enable, pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "%s: ldo control disable failed\n", __func__); |
| return ret; |
| } |
| dprintf(SPEW, "EDP Panel power off done\n"); |
| } |
| |
| return ret; |
| } |
| |
| static int mdss_edp_bl_enable(uint8_t enable) |
| { |
| int ret = NO_ERROR; |
| |
| ret = target_edp_bl_ctrl(enable); |
| if (ret) |
| dprintf(CRITICAL, "Backlight %s failed\n", enable ? "enable" : |
| "disable"); |
| return ret; |
| } |
| |
| static int mdss_dsi2HDMI_config (struct msm_panel_info *pinfo) |
| { |
| return target_display_dsi2hdmi_config(pinfo); |
| } |
| |
| struct panel_struct mdss_dsi_get_panel_data(void) |
| { |
| return panelstruct; |
| } |
| |
| static void mdss_dsi_check_swap_status(void) |
| { |
| char *panel_dest, *dsi_controller; |
| struct oem_panel_data *oem_data = mdss_dsi_get_oem_data_ptr(); |
| |
| if (!oem_data->swap_dsi_ctrl) |
| return; |
| |
| if (panelstruct.paneldata->panel_operating_mode & |
| (SPLIT_DISPLAY_FLAG | DUAL_DSI_FLAG)) { |
| dprintf(CRITICAL, "DSI swap invalid for split DSI panel!\n"); |
| return; |
| } |
| |
| /* Swap the panel destination and use appropriate PLL */ |
| if (!strcmp(panelstruct.paneldata->panel_destination, "DISPLAY_1")) { |
| panel_dest = "DISPLAY_2"; |
| dsi_controller = "dsi:1:"; |
| panelstruct.paneldata->panel_operating_mode |= USE_DSI1_PLL_FLAG; |
| } else { |
| panel_dest = "DISPLAY_1"; |
| dsi_controller = "dsi:0:"; |
| panelstruct.paneldata->panel_operating_mode &= ~USE_DSI1_PLL_FLAG; |
| } |
| panelstruct.paneldata->panel_destination = panel_dest; |
| panelstruct.paneldata->panel_controller = dsi_controller; |
| } |
| |
| static void mdss_dsi_set_pll_src(void) |
| { |
| struct oem_panel_data *oem_data = mdss_dsi_get_oem_data_ptr(); |
| |
| /* Set PLL_SRC to PLL1 for non dual-DSI cases only */ |
| if (!is_dsi_config_dual() && |
| (panelstruct.paneldata->panel_operating_mode & |
| USE_DSI1_PLL_FLAG)) |
| oem_data->dsi_pll_src = DSI_PLL1; |
| |
| if (is_dsi_config_dual()) { |
| if (oem_data->dsi_pll_src != DSI_PLL_DEFAULT) { |
| dprintf(CRITICAL, "Dual DSI config detected!" |
| "Use default PLL\n"); |
| oem_data->dsi_pll_src = DSI_PLL_DEFAULT; |
| } |
| } else if (is_dsi_config_split()) { |
| if((dsi_video_mode_phy_db.pll_type != DSI_PLL_TYPE_THULIUM) |
| && (oem_data->dsi_pll_src == DSI_PLL1)) { |
| dprintf(CRITICAL, "Split DSI on 28nm/20nm!" |
| "Use DSI PLL0\n"); |
| oem_data->dsi_pll_src = DSI_PLL0; |
| } |
| } else { |
| if ((dsi_video_mode_phy_db.pll_type != DSI_PLL_TYPE_THULIUM) |
| && !strcmp(panelstruct.paneldata->panel_destination, |
| "DISPLAY_1") && (oem_data->dsi_pll_src == DSI_PLL1)) { |
| dprintf(CRITICAL, "Single DSI with DSI-0 on 28nm/20nm!" |
| "Use DSI PLL0\n"); |
| oem_data->dsi_pll_src = DSI_PLL0; |
| } |
| } |
| |
| if (oem_data->dsi_pll_src == DSI_PLL1) |
| panelstruct.paneldata->panel_operating_mode |= |
| USE_DSI1_PLL_FLAG; |
| else if (oem_data->dsi_pll_src == DSI_PLL0) |
| panelstruct.paneldata->panel_operating_mode &= |
| ~USE_DSI1_PLL_FLAG; |
| } |
| |
| static int mdss_spi_bl_enable(uint8_t enable) |
| { |
| int ret = NO_ERROR; |
| |
| ret = panel_backlight_ctrl(enable); |
| if (ret) |
| dprintf(CRITICAL, "Backlight %s failed\n", enable ? "enable" : "disable"); |
| return ret; |
| } |
| |
| static int mdss_spi_panel_power(uint8_t enable, struct msm_panel_info *pinfo) |
| { |
| int ret = NO_ERROR; |
| |
| if (enable) { |
| ret = target_ldo_ctrl(enable, pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "LDO control enable failed\n"); |
| return ret; |
| } |
| |
| /*Panel Reset*/ |
| ret = target_panel_reset(enable,panelstruct.panelresetseq, &panel.panel_info); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset failed\n"); |
| return ret; |
| } |
| dprintf(INFO, "Panel power on done\n"); |
| } else { |
| /*Disable panel and ldo*/ |
| ret = target_panel_reset(enable, panelstruct.panelresetseq, &panel.panel_info); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset disable failed \n"); |
| return ret; |
| } |
| |
| ret = target_ldo_ctrl(enable, pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset disable failed \n"); |
| return ret; |
| } |
| dprintf(INFO, "Panel power off done\n"); |
| } |
| |
| return ret; |
| } |
| |
| static int update_dsi_display_config() |
| { |
| int ret = NO_ERROR; |
| |
| if ((panel.panel_info.lm_split[0] > 0) && |
| (panel.panel_info.lm_split[1] > 0)) |
| panelstruct.paneldata->panel_operating_mode |= DUAL_PIPE_FLAG; |
| |
| if (panelstruct.paneldata->panel_operating_mode & DUAL_PIPE_FLAG) { |
| if ((panel.panel_info.lm_split[0] <= 0) || |
| (panel.panel_info.lm_split[1] <= 0)) { |
| panel.panel_info.lm_split[0] = |
| panelstruct.panelres->panel_width / 2; |
| panel.panel_info.lm_split[1] = |
| panel.panel_info.lm_split[0]; |
| } |
| } |
| |
| if (panelstruct.config && panelstruct.config->use_pingpong_split) |
| panelstruct.paneldata->panel_operating_mode |= DST_SPLIT_FLAG; |
| |
| if ((panelstruct.paneldata->panel_operating_mode & DUAL_PIPE_FLAG) && |
| (panelstruct.paneldata->panel_operating_mode & DST_SPLIT_FLAG)) { |
| dprintf(CRITICAL, "DUAL_PIPE_FLAG and DST_SPLIT_FLAG cannot be selected togather\n"); |
| ret = ERROR; |
| } |
| |
| return ret; |
| } |
| |
| int gcdb_display_init(const char *panel_name, uint32_t rev, void *base) |
| { |
| int ret = NO_ERROR; |
| int pan_type; |
| |
| dsi_video_mode_phy_db.pll_type = DSI_PLL_TYPE_28NM; |
| panel.panel_info.disable_wled_labibb = false; |
| pan_type = oem_panel_select(panel_name, &panelstruct, &(panel.panel_info), |
| &dsi_video_mode_phy_db); |
| |
| if (pan_type == PANEL_TYPE_DSI) { |
| if (update_dsi_display_config()) |
| goto error_gcdb_display_init; |
| target_dsi_phy_config(&dsi_video_mode_phy_db); |
| mdss_dsi_check_swap_status(); |
| mdss_dsi_set_pll_src(); |
| if (dsi_panel_init(&(panel.panel_info), &panelstruct)) { |
| dprintf(CRITICAL, "DSI panel init failed!\n"); |
| ret = ERROR; |
| goto error_gcdb_display_init; |
| } |
| |
| panel.panel_info.mipi.mdss_dsi_phy_db = &dsi_video_mode_phy_db; |
| panel.pll_clk_func = mdss_dsi_panel_clock; |
| panel.dfps_func = mdss_dsi_mipi_dfps_config; |
| panel.power_func = mdss_dsi_panel_power; |
| panel.pre_init_func = mdss_dsi_panel_pre_init; |
| panel.bl_func = mdss_dsi_bl_enable; |
| panel.dsi2HDMI_config = mdss_dsi2HDMI_config; |
| /* |
| * Reserve fb memory to store pll codes and pass |
| * pll codes values to kernel. |
| */ |
| panel.panel_info.dfps.dfps_fb_base = base; |
| base += DFPS_PLL_CODES_SIZE; |
| panel.fb.base = base; |
| dprintf(SPEW, "dfps base=0x%p,d, fb_base=0x%p!\n", |
| panel.panel_info.dfps.dfps_fb_base, base); |
| |
| panel.fb.width = panel.panel_info.xres; |
| panel.fb.height = panel.panel_info.yres; |
| panel.fb.stride = panel.panel_info.xres; |
| panel.fb.bpp = panel.panel_info.bpp; |
| panel.fb.format = panel.panel_info.mipi.dst_format; |
| } else if (pan_type == PANEL_TYPE_EDP) { |
| mdss_edp_panel_init(&(panel.panel_info)); |
| /* prepare func is set up at edp_panel_init */ |
| panel.clk_func = mdss_edp_panel_clock; |
| panel.power_func = mdss_edp_panel_power; |
| panel.bl_func = mdss_edp_bl_enable; |
| panel.fb.format = FB_FORMAT_RGB888; |
| } else if (pan_type == PANEL_TYPE_SPI) { |
| panel.panel_info.xres = panelstruct.panelres->panel_width; |
| panel.panel_info.yres = panelstruct.panelres->panel_height; |
| panel.panel_info.bpp = panelstruct.color->color_format; |
| panel.power_func = mdss_spi_panel_power; |
| panel.bl_func = mdss_spi_bl_enable; |
| panel.fb.base = base; |
| panel.fb.width = panel.panel_info.xres; |
| panel.fb.height = panel.panel_info.yres; |
| panel.fb.bpp = panel.panel_info.bpp; |
| panel.fb.format = FB_FORMAT_RGB565; |
| panel.panel_info.type = SPI_PANEL; |
| } else { |
| dprintf(CRITICAL, "Target panel init not found!\n"); |
| ret = ERR_NOT_SUPPORTED; |
| goto error_gcdb_display_init; |
| } |
| |
| panel.fb.base = base; |
| panel.mdp_rev = rev; |
| |
| ret = msm_display_init(&panel); |
| |
| error_gcdb_display_init: |
| display_enable = ret ? 0 : 1; |
| return ret; |
| } |
| |
| void gcdb_display_shutdown(void) |
| { |
| if (display_enable) |
| msm_display_off(); |
| } |