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drm: msm: implement DC threshold support

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Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
This commit is contained in:
UtsavBalar1231
2020-06-03 15:33:37 +05:30
parent 6a4c66507d
commit a54591508d
4 changed files with 50 additions and 1 deletions
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38
drivers/gpu/drm/msm/dsi-staging/dsi_panel.c
View File

@@ -870,6 +870,15 @@ int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl)
panel->skip_dimmingon = STATE_NONE;
}
if (bl_lvl > 0 && panel->last_bl_lvl == 0) {
pr_info("crc off when quickly power on\n");
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_DISP_CRC_OFF);
}
if (bl_lvl == 0) {
pr_info("DC off when last backlight is 0\n");
panel->dc_enable = false;
}
panel->last_bl_lvl = bl_lvl;
return rc;
}
@@ -3631,6 +3640,15 @@ static int dsi_panel_parse_mi_config(struct dsi_panel *panel,
pr_debug("fod_off_dimming_delay %d\n", panel->fod_off_dimming_delay);
}
rc = of_property_read_u32(of_node,
"qcom,mdss-dsi-panel-dc-threshold", &panel->dc_threshold);
if (rc) {
panel->dc_threshold = 610;
pr_info("default dc backlight threshold is %d\n", panel->dc_threshold);
} else {
pr_info("dc backlight threshold %d \n", panel->dc_threshold);
}
panel->fod_dimlayer_enabled = utils->read_bool(of_node,
"qcom,mdss-dsi-panel-fod-dimlayer-enabled");
if (panel->fod_dimlayer_enabled) {
@@ -3660,6 +3678,7 @@ static int dsi_panel_parse_mi_config(struct dsi_panel *panel,
panel->bl_lowlevel_duration = 0;
panel->hbm_duration = 0;
panel->hbm_times = 0;
panel->dc_enable = false;
return rc;
}
@@ -5023,6 +5042,14 @@ static int panel_disp_param_send_lock(struct dsi_panel *panel, int param)
pr_debug("hbm fod to normal mode\n");
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_DISP_HBM_FOD2NORM);
break;
case DISPPARAM_DC_ON:
pr_info("DC on\n");
panel->dc_enable = true;
break;
case DISPPARAM_DC_OFF:
pr_info("DC off\n");
panel->dc_enable = false;
break;
case DISPPARAM_HBM_FOD_OFF:
pr_debug("hbm fod off\n");
if (panel->elvss_dimming_check_enable) {
@@ -5162,7 +5189,15 @@ static int panel_disp_param_send_lock(struct dsi_panel *panel, int param)
pr_info("FOD backlight restore last_bl_lvl=%d, state=%d",
panel->last_bl_lvl, display->drm_dev->state);
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_DISP_DIMMINGOFF);
rc = dsi_panel_update_backlight(panel, panel->last_bl_lvl);
if (panel->dc_enable) {
pr_info("FOD backlight restore dc_threshold=%d, doze_state=%d",
panel->dc_threshold, display->drm_dev->state);
rc = dsi_panel_update_backlight(panel, panel->dc_threshold);
} else {
pr_info("FOD backlight restore last_bl_lvl=%d, doze_state=%d",
panel->last_bl_lvl, display->drm_dev->state);
rc = dsi_panel_update_backlight(panel, panel->last_bl_lvl);
}
if ((display->drm_dev && display->drm_dev->state == MSM_DRM_BLANK_LP1) ||
(display->drm_dev && display->drm_dev->state == MSM_DRM_BLANK_LP2)) {
@@ -5509,6 +5544,7 @@ int dsi_panel_disable(struct dsi_panel *panel)
panel->fod_dimlayer_hbm_enabled = false;
panel->in_aod = false;
panel->fod_backlight_flag = false;
panel->dc_enable = false;
panel->power_mode = SDE_MODE_DPMS_OFF;
mutex_unlock(&panel->panel_lock);

3
drivers/gpu/drm/msm/dsi-staging/dsi_panel.h
View File

@@ -267,6 +267,9 @@ struct dsi_panel {
u64 hbm_duration;
u64 hbm_times;
u32 dc_threshold;
bool dc_enable;
int power_mode;
enum dsi_panel_physical_type panel_type;
};

2
drivers/gpu/drm/msm/dsi-staging/dsi_panel_mi.h
View File

@@ -57,6 +57,8 @@ enum DISPPARAM_MODE {
DISPPARAM_HBM_ON = 0x10000,
DISPPARAM_HBM_FOD_ON = 0x20000,
DISPPARAM_HBM_FOD2NORM = 0x30000,
DISPPARAM_DC_ON = 0x40000,
DISPPARAM_DC_OFF = 0x50000,
DISPPARAM_HBM_FOD_OFF = 0xE0000,
DISPPARAM_HBM_OFF = 0xF0000,
DISPPARAM_NORMALMODE1 = 0x100000,

8
drivers/gpu/drm/msm/sde/sde_connector.c
View File

@@ -730,6 +730,9 @@ int sde_connector_update_hbm(struct sde_connector *c_conn)
pr_debug("HBM fod off\n");
sysfs_notify(&dsi_display->drm_conn->kdev->kobj, NULL, "dimlayer_hbm_enabled");
pr_debug("notify hbm off to displayfeature\n");
dsi_display->panel->dc_enable = true;
pr_debug("fod restore DC\n");
sysfs_notify(&c_conn->bl_device->dev.kobj, NULL, "brightness_clone");
}
dsi_display->panel->fod_dimlayer_hbm_enabled = false;
mutex_unlock(&dsi_display->panel->panel_lock);
@@ -755,6 +758,11 @@ int sde_connector_update_hbm(struct sde_connector *c_conn)
sysfs_notify(&dsi_display->drm_conn->kdev->kobj, NULL, "dimlayer_hbm_enabled");
pr_debug("notify hbm on to displayfeature\n");
}
if (dsi_display->panel->dc_enable) {
dsi_display->panel->dc_enable = false;
pr_debug("fod set CRC OFF\n");
dsi_display_write_panel(dsi_display, &dsi_display->panel->cur_mode->priv_info->cmd_sets[DSI_CMD_SET_DISP_CRC_OFF]);
}
dsi_display->panel->skip_dimmingon = STATE_DIM_BLOCK;
dsi_display->panel->fod_dimlayer_hbm_enabled = true;
mutex_unlock(&dsi_display->panel->panel_lock);