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disp: msm: dsi: move demura panel ID fetching to DTSI

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Previous design had the demura panel ID passed in on the Linux kernel
command line. Update the DSI driver to read this information from the
DTSI instead.

Change-Id: I7697bb34a313f1837b80ba5ff78e720e8131a819
Signed-off-by: Christopher Braga <cbraga@codeaurora.org>
This commit is contained in:
Christopher Braga
2020-06-05 16:45:05 -04:00
committed by Gopikrishnaiah Anandan
parent c654f1b014
commit c8f9e73f0e
2 changed files with 28 additions and 21 deletions
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35
msm/dsi/dsi_display.c
View File

@@ -618,6 +618,24 @@ static bool dsi_display_validate_reg_read(struct dsi_panel *panel)
return false;
}
static void dsi_display_parse_demura_data(struct dsi_display *display)
{
int rc = 0;
display->panel_id = 0;
if (display->fw) {
DSI_INFO("FW definition unsupported for Demura panel data\n");
return;
}
rc = of_property_read_u64(display->pdev->dev.of_node,
"qcom,demura-panel-id", &display->panel_id);
if (rc)
DSI_INFO("No panel ID is present for this display\n");
else
DSI_INFO("panel id found: %lx\n", display->panel_id);
}
static void dsi_display_parse_te_data(struct dsi_display *display)
{
struct platform_device *pdev;
@@ -2510,7 +2528,6 @@ static void dsi_display_parse_cmdline_topology(struct dsi_display *display,
char *sw_te = NULL;
unsigned long cmdline_topology = NO_OVERRIDE;
unsigned long cmdline_timing = NO_OVERRIDE;
unsigned long panel_id = NO_OVERRIDE;
if (display_type >= MAX_DSI_ACTIVE_DISPLAY) {
DSI_ERR("display_type=%d not supported\n", display_type);
@@ -2526,17 +2543,6 @@ static void dsi_display_parse_cmdline_topology(struct dsi_display *display,
if (sw_te)
display->sw_te_using_wd = true;
str = strnstr(boot_str, ":panelid", strlen(boot_str));
if (str) {
if (kstrtol(str + strlen(":panelid"), INT_BASE_10,
(unsigned long *)&panel_id)) {
DSI_INFO("panel id not found: %s\n", boot_str);
} else {
DSI_INFO("panel id found: %lx\n", panel_id);
display->panel_id = panel_id;
}
}
str = strnstr(boot_str, ":config", strlen(boot_str));
if (str) {
if (sscanf(str, ":config%lu", &cmdline_topology) != 1) {
@@ -4027,6 +4033,9 @@ static int dsi_display_parse_dt(struct dsi_display *display)
break;
}
/* Parse Demura data */
dsi_display_parse_demura_data(display);
DSI_DEBUG("success\n");
error:
return rc;
@@ -8027,7 +8036,7 @@ static void dsi_display_panel_id_notification(struct dsi_display *display)
display->ctrl[0].ctrl->panel_id_cb.event_cb(
display->ctrl[0].ctrl->panel_id_cb.event_usr_ptr,
display->ctrl[0].ctrl->panel_id_cb.event_idx,
0, ((display->panel_id & 0xffffffff00000000) >> 31),
0, ((display->panel_id & 0xffffffff00000000) >> 32),
(display->panel_id & 0xffffffff), 0, 0);
}
}

14
msm/sde/sde_connector.c
View File

@@ -484,23 +484,21 @@ static int sde_connector_handle_panel_id(uint32_t event_idx,
struct sde_connector *c_conn = usr;
int i;
u64 panel_id;
u8 arr[8], shift;
u64 mask = 0xff;
u8 msb_arr[8];
if (!c_conn)
return -EINVAL;
panel_id = (((u64)data0) << 31) | data1;
panel_id = (((u64)data0) << 32) | data1;
if (panel_id == ~0x0)
return 0;
for (i = 0; i < 8; i++) {
shift = 8 * i;
arr[7 - i] = (u8)((panel_id & (mask << shift)) >> shift);
}
for (i = 0; i < 8; i++)
msb_arr[i] = (panel_id >> (8 * (7 - i)));
/* update the panel id */
msm_property_set_blob(&c_conn->property_info,
&c_conn->blob_panel_id, arr, sizeof(arr),
&c_conn->blob_panel_id, &msb_arr, sizeof(msb_arr),
CONNECTOR_PROP_DEMURA_PANEL_ID);
sde_connector_register_event(&c_conn->base,
SDE_CONN_EVENT_PANEL_ID, NULL, c_conn);