leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/panel: ilitek-ili9881c: Read panel orientation

Browse Source 
The panel orientation needs to parsed from a device-tree and assigned to
the panel's connector in order to make orientation property available to
userspace. That's what this patch does for ILI9881C based panels.

Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211020153432.383845-4-john@metanate.com
This commit is contained in:
John Keeping 2021-10-20 16:34:30 +01:00 committed by Sam Ravnborg
parent f4b2e66967
commit d9c022d5df
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
View File

@ -52,6 +52,8 @@ struct ili9881c {
struct regulator *power;
struct gpio_desc *reset;
enum drm_panel_orientation orientation;
};
#define ILI9881C_SWITCH_PAGE_INSTR(_page) \
@ -851,6 +853,8 @@ static int ili9881c_get_modes(struct drm_panel *panel,
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
drm_connector_set_panel_orientation(connector, ctx->orientation);
return 1;
}
@ -887,6 +891,13 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset),
"Couldn't get our reset GPIO\n");
ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
if (ret) {
dev_err(&dsi->dev, "%pOF: failed to get orientation: %d\n",
dsi->dev.of_node, ret);
return ret;
}
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
return ret;