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disp: msm: prevent ESD recovery till all panel dead

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PROPAGATED from (CR)

Device reboot when CLI panel dead
Quality team hopes Device still alive when one panel dead.

Modify the ESD recovery policy that reboot all when all
display dead.

Change-Id: I78ca19de9723c00416ea43457b6750b7a765c08f
Reviewed-on: https://gerrit.mot.com/1782924
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Reviewed-by: Shanshan Dai <daiss1@motorola.com>
Reviewed-by: Yeqing Wang <wangyq13@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
shuoyan 2020-02-28 10:50:21 -06:00 • committed by tongkun1
commit 1fd102ea73
3 changed files with 44 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

21
msm/dsi/dsi_display.c
View file

@ -6611,6 +6611,27 @@ int dsi_display_get_num_of_displays(void)
return count;
}
bool dsi_display_all_displays_dead(void)
{
int index =0, num_displays =0, num_dead_displays =0;
for (index = 0; index < MAX_DSI_ACTIVE_DISPLAY; index++) {
struct dsi_display *display = boot_displays[index].disp;
if (display && display->panel_node) {
num_displays++;
if (display->panel->is_panel_dead)
num_dead_displays++;
}
}
pr_info("%d Display Dead(%d)\n", num_dead_displays, num_displays);
return num_dead_displays == num_displays;
}
EXPORT_SYMBOL(dsi_display_all_displays_dead);
int dsi_display_get_active_displays(void **display_array, u32 max_display_count)
{
int index = 0, count = 0;

27
msm/dsi/dsi_panel.c
View file

@ -5462,9 +5462,7 @@ int dsi_panel_enable(struct dsi_panel *panel)
{
int rc = 0;
u8 pwr_mode;
static int panel_recovery_retry;
struct dsi_display *dsi_display = container_of(panel->host,
struct dsi_display, host);
struct dsi_display *dsi_display = container_of(panel->host, struct dsi_display, host);
if (!panel) {
DSI_ERR("Invalid params\n");
@ -5490,20 +5488,29 @@ int dsi_panel_enable(struct dsi_panel *panel)
}
if (pwr_mode != panel->disp_on_chk_val) {
DSI_ERR("%s: Read Pwr_mode=0%x is not matched with expected value =0x%x\n",
__func__, pwr_mode, panel->disp_on_chk_val);
DSI_ERR("%s: %s Read Pwr_mode=0%x is not matched with expected value =0x%x\n",
__func__, panel->name, pwr_mode, panel->disp_on_chk_val);
if (panel_recovery_retry++ > 5) {
if (panel->panel_recovery_retry++ > 5) {
DSI_ERR("%s: panel recovery failed for all retries",
__func__);
BUG();
}
panel->is_panel_dead = true;
panel->esd_utag_enable = false;
panel->no_panel_on_read_support = true;
dsi_display_trigger_panel_dead_event(dsi_display);
if (dsi_display_all_displays_dead()) {
DSI_ERR("%s:ALL panel recovery failed with 6 times,reboot\n",
__func__);
BUG();
} else
DSI_INFO("(%s)Panel dead,disable ESD recovery for it\n",
panel->name);
} else
dsi_display_trigger_panel_dead_event(dsi_display);
} else {
DSI_INFO("Pwr_mode(0x0A) = 0x%x\n", pwr_mode);
panel_recovery_retry = 0;
panel->panel_recovery_retry = 0;
}
} else
DSI_INFO("-: no_panel_on_read_support is set\n");

5
msm/dsi/dsi_panel.h
View file

@ -367,8 +367,13 @@ struct dsi_panel {
enum touch_state tp_state;
bool tp_state_check_enable;
int panel_recovery_retry;
bool is_panel_dead;
};
bool dsi_display_all_displays_dead(void);
static inline bool dsi_panel_ulps_feature_enabled(struct dsi_panel *panel)
{
return panel->ulps_feature_enabled;