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drm/dsi_panel: send specific demura command when bl change

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dsi_panel:
Send specific demura commands when brightness changes.
This is panel IC limitation, it can't change demura parameters
automatically when 51 reg value changes.
MTK changes: https://gerrit.mot.com/#/c/2097095/

Change-Id: Ic5b6945e1eb7c905658dfe58e6dca18a0bfeb2e9
Signed-off-by: wangyq13 <wangyq13@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2152146
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Hua Tan <tanhua1@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
wangyq13 2021-12-22 22:09:09 +08:00 • committed by tongkun1
commit 1e339b7f38
3 changed files with 76 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

14
msm/dsi/dsi_defs.h
View file

@ -275,6 +275,13 @@ enum dsi_dyn_clk_feature_type {
* @DSI_CMD_SET_DFPS_CMD_60: DFPS switch to 60
* @DSI_CMD_SET_DC_ON: DC mode on
* @DSI_CMD_SET_DC_OFF: DC mode off
* @DSI_CMD_SET_BRIGHTNESS_1E: Send demura codes when brightness changes to 0-1E
* @DSI_CMD_SET_BRIGHTNESS_1FD: Send demura codes when brightness changes to 1F-1FD
* @DSI_CMD_SET_BRIGHTNESS_2FF: Send demura codes when brightness changes to 1FE-2FF
* @DSI_CMD_SET_BRIGHTNESS_3FF: Send demura codes when brightness changes to 300-3FF
* @DSI_CMD_SET_BRIGHTNESS_4FF: Send demura codes when brightness changes to 400-4FF
* @DSI_CMD_SET_BRIGHTNESS_5FF: Send demura codes when brightness changes to 500-5FF
* @DSI_CMD_SET_BRIGHTNESS_FFF: Send demura codes when brightness changes to 600-FFF
* @DSI_CMD_SET_MAX
*/
enum dsi_cmd_set_type {
@ -314,6 +321,13 @@ enum dsi_cmd_set_type {
DSI_CMD_SET_DFPS_CMD_60,
DSI_CMD_SET_DC_ON,
DSI_CMD_SET_DC_OFF,
DSI_CMD_SET_BRIGHTNESS_1E,
DSI_CMD_SET_BRIGHTNESS_1FD,
DSI_CMD_SET_BRIGHTNESS_2FF,
DSI_CMD_SET_BRIGHTNESS_3FF,
DSI_CMD_SET_BRIGHTNESS_4FF,
DSI_CMD_SET_BRIGHTNESS_5FF,
DSI_CMD_SET_BRIGHTNESS_FFF,
DSI_CMD_SET_MAX
};

60
msm/dsi/dsi_panel.c
View file

@ -695,11 +695,14 @@ static int dsi_panel_update_backlight(struct dsi_panel *panel,
struct mipi_dsi_device *dsi = NULL;
struct dsi_backlight_config *bl = &panel->bl_config;
u32 bl_lvl_2bytes;
u32 bl_lvl_backup;
enum dsi_cmd_set_type type;
if (!panel || (bl_lvl > 0xffff)) {
DSI_ERR("invalid params\n");
return -EINVAL;
}
bl_lvl_backup = bl_lvl;
dsi = &panel->mipi_device;
if (unlikely(panel->bl_config.lp_mode)) {
@ -721,6 +724,43 @@ static int dsi_panel_update_backlight(struct dsi_panel *panel,
if (unlikely(panel->bl_config.lp_mode))
dsi->mode_flags = mode_flags;
if (bl->bl_demura_cmd) {
switch (bl_lvl_backup) {
case 0x00 ... 0x1e:
type = DSI_CMD_SET_BRIGHTNESS_1E;
break;
case 0x1f ... 0x1fd:
type = DSI_CMD_SET_BRIGHTNESS_1FD;
break;
case 0x1fe ... 0x2ff:
type = DSI_CMD_SET_BRIGHTNESS_2FF;
break;
case 0x300 ... 0x3ff:
type = DSI_CMD_SET_BRIGHTNESS_3FF;
break;
case 0x400 ... 0x4ff:
type = DSI_CMD_SET_BRIGHTNESS_4FF;
break;
case 0x500 ... 0x5ff:
type = DSI_CMD_SET_BRIGHTNESS_5FF;
break;
case 0x600 ... 0xfff:
type = DSI_CMD_SET_BRIGHTNESS_FFF;
break;
default:
type = DSI_CMD_SET_BRIGHTNESS_1E;
break;
}
if (bl->demura_type != type) {
DSI_INFO("update dcs backlight:0x%x, demura_type %d, type %d\n", bl_lvl_backup, bl->demura_type, type);
rc = dsi_panel_tx_cmd_set(panel, type);
if (rc)
DSI_ERR("[%s] failed to send DSI_CMD_SET_BRIGHTNESS cmds, rc=%d\n",
panel->name, rc);
else
bl->demura_type = type;
}
}
return rc;
}
@ -2265,6 +2305,13 @@ const char *cmd_set_prop_map[DSI_CMD_SET_MAX] = {
"qcom,mdss-dsi-dfps-60-command",
"qcom,mdss-dsi-dc-on-command",
"qcom,mdss-dsi-dc-off-command",
"qcom,mdss-dsi-brightness-1e-command",
"qcom,mdss-dsi-brightness-1fd-command",
"qcom,mdss-dsi-brightness-2ff-command",
"qcom,mdss-dsi-brightness-3ff-command",
"qcom,mdss-dsi-brightness-4ff-command",
"qcom,mdss-dsi-brightness-5ff-command",
"qcom,mdss-dsi-brightness-fff-command",
};
const char *cmd_set_state_map[DSI_CMD_SET_MAX] = {
@ -2304,6 +2351,13 @@ const char *cmd_set_state_map[DSI_CMD_SET_MAX] = {
"qcom,mdss-dsi-dfps-60-command-state",
"qcom,mdss-dsi-dc-on-command-state",
"qcom,mdss-dsi-dc-off-command-state",
"qcom,mdss-dsi-brightness-1e-command-state",
"qcom,mdss-dsi-brightness-1fd-command-state",
"qcom,mdss-dsi-brightness-2ff-command-state",
"qcom,mdss-dsi-brightness-3ff-command-state",
"qcom,mdss-dsi-brightness-4ff-command-state",
"qcom,mdss-dsi-brightness-5ff-command-state",
"qcom,mdss-dsi-brightness-fff-command-state",
};
int dsi_panel_get_cmd_pkt_count(const char *data, u32 length, u32 *cnt)
@ -3012,6 +3066,12 @@ static int dsi_panel_parse_bl_config(struct dsi_panel *panel)
DSI_INFO("[%s] bl_2bytes_enable=%d\n", panel->name,
panel->bl_config.bl_2bytes_enable);
panel->bl_config.bl_demura_cmd= utils->read_bool(utils->data,
"qcom,brightness-demura-command");
DSI_INFO("[%s] bl_demura_cmd=%d\n", panel->name,
panel->bl_config.bl_demura_cmd);
if (panel->bl_config.type == DSI_BACKLIGHT_PWM) {
rc = dsi_panel_parse_bl_pwm_config(panel);
if (rc) {

2
msm/dsi/dsi_panel.h
View file

@ -162,6 +162,8 @@ struct dsi_backlight_config {
u32 bl_scale;
u32 bl_scale_sv;
bool bl_inverted_dbv;
bool bl_demura_cmd;
u32 demura_type;
int en_gpio;
/* PWM params */