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Kernel: read panel supplier from device tree

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Moto hardware revision need panel supplier info. Add code to read
panel supplier from dtsi file.

Change-Id: I7deb8a9b78c790f80459d3780d65a57699a35fee
Reviewed-on: https://gerrit.mot.com/1540967
Reviewed-on: https://gerrit.mot.com/1697643
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
zhanggb 2020-04-23 18:38:59 +08:00 • committed by tongkun1
commit 940f8ce404
4 changed files with 14 additions and 0 deletions
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2
msm/dsi/dsi_display.c
View file

@ -7209,6 +7209,8 @@ int dsi_display_get_info(struct drm_connector *connector,
info->panel_regDA = display->panel->panel_regDA;
strncpy(info->panel_name, display->panel->panel_name,
sizeof(display->panel->panel_name));
strncpy(info->panel_supplier, display->panel->panel_supplier,
sizeof(display->panel->panel_supplier));
switch (display->panel->panel_mode) {
case DSI_OP_VIDEO_MODE:

10
msm/dsi/dsi_panel.c
View file

@ -4036,6 +4036,7 @@ struct dsi_panel *dsi_panel_get(struct device *parent,
const char *panel_physical_type;
int rc = 0;
u32 panel_idx = 0; /* Since only panel support for now */
const char *pname;
panel = kzalloc(sizeof(*panel), GFP_KERNEL);
if (!panel)
@ -4055,6 +4056,15 @@ struct dsi_panel *dsi_panel_get(struct device *parent,
if (!panel->name)
panel->name = DSI_PANEL_DEFAULT_LABEL;
pname = utils->get_property(utils->data,
"qcom,mdss-dsi-panel-supplier", NULL);
if (!pname || strlen(pname) == 0) {
DSI_WARN("Failed to get qcom,mdss-dsi-panel-supplier\n");
strlcpy(panel->panel_supplier, DSI_PANEL_UNKNOWN_PANEL_NAME,
sizeof(panel->panel_supplier));
} else
strlcpy(panel->panel_supplier, pname, sizeof(panel->panel_supplier));
/*
* Set panel type to LCD as default.
*/

1
msm/dsi/dsi_panel.h
View file

@ -345,6 +345,7 @@ struct dsi_panel {
u64 panel_ver;
u32 panel_regDA;
char panel_name[DSI_PANEL_MAX_PANEL_LEN];
char panel_supplier[DSI_PANEL_MAX_PANEL_LEN];
u32 disp_on_chk_val;
bool no_panel_on_read_support;

1
msm/msm_drv.h
View file

@ -788,6 +788,7 @@ struct msm_display_info {
uint64_t panel_ver;
uint32_t panel_regDA;
char panel_name[MSM_DISP_NAME_LEN_MAX];
char panel_supplier[MSM_DISP_NAME_LEN_MAX];
unsigned int width_mm;
unsigned int height_mm;