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disp: msm: Report panel's probe status

Browse source 
Panel API need to report probe status in order for consumer to
determine panel's presence

Port from : 75d097728

Change-Id: I8252c0e0865780e0b0dbe5252dc663981fc16ba3
Signed-off-by: Bang Nguyen <bangnguyen@motorola.com>
Reviewed-on: https://gerrit.mot.com/1697408
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Bang Nguyen 2019-08-21 07:45:39 -05:00 • committed by tongkun1
commit 5cdb58b738
1 changed files with 37 additions and 7 deletions
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44
msm/dsi/dsi_display.c
View file

@ -50,6 +50,8 @@ static const struct of_device_id dsi_display_dt_match[] = {
{}
};
static void dsi_display_is_probed(int enable_idx, int probe_status);
bool is_skip_op_required(struct dsi_display *display)
{
if (!display)
@ -6294,6 +6296,7 @@ int dsi_display_dev_probe(struct platform_device *pdev)
int rc = 0, index = DSI_PRIMARY;
bool firm_req = false;
struct dsi_display_boot_param *boot_disp;
int enable_idx;
if (!pdev || !pdev->dev.of_node) {
DSI_ERR("pdev not found\n");
@ -6332,11 +6335,15 @@ int dsi_display_dev_probe(struct platform_device *pdev)
display->display_type = of_get_property(pdev->dev.of_node,
"label", NULL);
if (!display->display_type)
if (!display->display_type) {
display->display_type = "primary";
enable_idx = 0;
}
if (!strcmp(display->display_type, "secondary"))
if (!strcmp(display->display_type, "secondary")) {
index = DSI_SECONDARY;
enable_idx = 1;
}
boot_disp = &boot_displays[index];
node = pdev->dev.of_node;
@ -6385,6 +6392,8 @@ int dsi_display_dev_probe(struct platform_device *pdev)
rc = dsi_display_init(display);
if (rc)
goto end;
else
dsi_display_is_probed(enable_idx, rc);
}
return 0;
@ -8595,10 +8604,25 @@ static void dsi_display_panel_id_notification(struct dsi_display *display)
/* start of MMI_STOPSHIP section */
struct dsi_enable_status {
struct dsi_display *display;
int probed;
bool enable;
};
static struct dsi_enable_status enable_status[2];
static struct dsi_enable_status enable_status[2] = {
{
.probed = -ENODEV,
},
{
.probed = -ENODEV,
},
};
static void dsi_display_is_probed (int enable_idx, int probe_status)
{
enable_status[enable_idx].probed = probe_status;
pr_debug("display->drm_conn[%d] probe set =%d\n",
enable_idx, probe_status);
}
static int dsi_display_enable_status (struct dsi_display *display, bool enable)
{
@ -8610,12 +8634,12 @@ static int dsi_display_enable_status (struct dsi_display *display, bool enable)
enable_status[0].display = display;
enable_status[0].enable = enable;
} else if (!strncmp("DSI-2", display->drm_conn->name, 5)) {
DSI_DEBUG("display->drm_conn->name=%s enable = %d CLI_DISPLAY\n",
DSI_DEBUG("display->drm_conn->name=%s enable = %d CLI_DISPLAY\n",
display->drm_conn->name, enable);
enable_status[1].display = display;
enable_status[1].enable = enable;
} else {
DSI_ERR(" Invalid display->drm_conn->name = %s\n",
DSI_ERR("display->drm_conn: invalid name =%s\n",
display->drm_conn->name);
ret = -EINVAL;
}
@ -8623,16 +8647,22 @@ static int dsi_display_enable_status (struct dsi_display *display, bool enable)
return ret;
}
bool dsi_display_is_panel_enable (int panel_index)
bool dsi_display_is_panel_enable (int panel_index, int *probe_status)
{
struct dsi_display *display;
bool enable = false;
if (panel_index > 1) {
pr_err("Invalid panel index =%d\n", panel_index);
pr_err("display->drm_conn: invalid panel index =%d\n",
panel_index);
if (probe_status)
*probe_status = -ENODEV;
return false;
}
if (probe_status)
*probe_status = enable_status[panel_index].probed;
display = enable_status[panel_index].display;
if (display) {
mutex_lock(&display->display_lock);