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drm/dsi_panel: resend hbm off commands

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drm:
resend hbm off commands, sometimes lhbm is not closed successfully,
send again to reduce the possibility.

Change-Id: I23d2f23bc9920f1c824e2af50229d62d2d27c906
Signed-off-by: wangyq13 <[email protected]>
Reviewed-on: https://gerrit.mot.com/2334757
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Hua Tan <[email protected]>
Reviewed-by: <[email protected]>
Reviewed-by: Huosheng Liao <[email protected]>
Submit-Approved: Jira Key
This commit is contained in:
wangyq13 2022-07-15 15:14:08 +08:00 • committed by tongkun1
commit 483fe19458
2 changed files with 12 additions and 2 deletions
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13
msm/dsi/dsi_panel.c
View file

@ -1186,9 +1186,15 @@ static int dsi_panel_set_hbm(struct dsi_panel *panel,
if (rc < 0) {
DSI_ERR("%s: failed to send param cmds. ret=%d\n", __func__, rc);
} else {
if(lhbm_config->enable)
if(lhbm_config->enable) {
bl_lvl = lhbm_config->dbv_level;
else
if (lhbm_config->resend_lbhm_off && param_info->value == HBM_OFF_STATE) {
usleep_range(5000, 5010);
rc = dsi_panel_send_param_cmd(panel, param_info);
if (rc < 0)
DSI_ERR("%s: failed to resend param cmds. ret=%d\n", __func__, rc);
}
} else
bl_lvl = HBM_BRIGHTNESS(param_info->value);
rc = dsi_panel_set_backlight(panel, bl_lvl);
if (rc)
@ -4271,6 +4277,9 @@ static int dsi_panel_parse_local_hbm_config(struct dsi_panel *panel)
lhbm_config->enable = false;
return rc;
}
lhbm_config->resend_lbhm_off = utils->read_bool(utils->data,
"qcom,mdss-dsi-panel-resend-local-hbm-off");
} else {
DSI_INFO("%s:%d, no local hbm config\n",
__func__, __LINE__);

1
msm/dsi/dsi_panel.h
View file

@ -225,6 +225,7 @@ struct dsi_panel_spr_info {
struct dsi_panel_lhbm_config {
bool enable;
bool resend_lbhm_off;
u32 dbv_level;
u32 alpha_reg;
u32 alpha_size;