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display/backlight: support hbm dcs only with 51 cmd

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some product use 51 cmd to support HBM,
shouldn't reset brightness when hbm on

Change-Id: Ia2db13dfc3f131f9137bbb6f9ee6cd80406b7a8f
Signed-off-by: hujing3 <[email protected]>
Reviewed-on: https://gerrit.mot.com/2376249
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Yeqing Wang <[email protected]>
Reviewed-by: Hua Tan <[email protected]>
Submit-Approved: Jira Key
This commit is contained in:
hujing3 2022-09-01 17:36:55 +08:00 • committed by tongkun1
commit 34271928bb
2 changed files with 9 additions and 1 deletions
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9
msm/dsi/dsi_panel.c
View file

@ -879,7 +879,10 @@ static bool dsi_panel_set_hbm_backlight(struct dsi_panel *panel, u32 *bl_lvl)
panel->bl_config.bl_max_level : panel->bl_lvl_during_hbm;
DSI_INFO("HBM set bl_level=%d bl_max_level = %d bl_lvl_during_hbm = %d\n",
bl_level, panel->bl_config.bl_max_level, panel->bl_lvl_during_hbm);
return false;
if(panel->is_hbm_using_51_cmd && dsi_panel_param_is_hbm_on(panel))
return true;
else
return false;
} else {
panel->bl_lvl_during_hbm = bl_level;
if (dsi_panel_param_is_hbm_on(panel)) {
@ -4398,6 +4401,10 @@ static int dsi_panel_parse_param_prop(struct dsi_panel *panel,
panel->bl_lvl_during_hbm = panel->bl_config.bl_max_level;
panel->is_hbm_using_51_cmd = of_property_read_bool(of_node,
"qcom,mdss-dsi-panel-hbm-is-51cmd");
if (panel->is_hbm_using_51_cmd)
DSI_INFO("HBM command is using 0x51 command\n");
}
rc = -EINVAL;

1
msm/dsi/dsi_panel.h
View file

@ -405,6 +405,7 @@ struct dsi_panel {
int panel_recovery_retry;
bool is_panel_dead;
bool is_hbm_using_51_cmd;
int hbm_en_gpio;
};