diff options
| author | Konrad Dybcio <konrad.dybcio@linaro.org> | 2023-04-17 17:39:05 +0300 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2023-04-17 18:27:26 +0300 |
| commit | 1eae88fa7b56b3b02d0e003a737fc31d71f3f486 (patch) | |
| tree | 8560d90f5c221bc9b32632077a426f31377ff612 /drivers/gpu/drm/panel | |
| parent | aecb583cb997935fb4f4a667a8013469528a8d53 (diff) | |
| download | linux-1eae88fa7b56b3b02d0e003a737fc31d71f3f486.tar.xz | |
drm/panel: nt36523: Get orientation from OF
Some bright vendors mount their display panels upside down. Add the
required pieces to allow for accounting for that.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Jianhua Lu <lujianhua000@gmail.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230412-topic-lenovopanel-v3-3-bcf9ba4de46f@linaro.org
Diffstat (limited to 'drivers/gpu/drm/panel')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-novatek-nt36523.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c index b0466abae812..2c5712ac3037 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c @@ -31,6 +31,7 @@ struct panel_info { struct drm_panel panel; struct mipi_dsi_device *dsi[2]; const struct panel_desc *desc; + enum drm_panel_orientation orientation; struct gpio_desc *reset_gpio; struct backlight_device *backlight; @@ -674,11 +675,19 @@ static int nt36523_get_modes(struct drm_panel *panel, return pinfo->desc->num_modes; } +static enum drm_panel_orientation nt36523_get_orientation(struct drm_panel *panel) +{ + struct panel_info *pinfo = to_panel_info(panel); + + return pinfo->orientation; +} + static const struct drm_panel_funcs nt36523_panel_funcs = { .disable = nt36523_disable, .prepare = nt36523_prepare, .unprepare = nt36523_unprepare, .get_modes = nt36523_get_modes, + .get_orientation = nt36523_get_orientation, }; static int nt36523_bl_update_status(struct backlight_device *bl) @@ -785,6 +794,12 @@ static int nt36523_probe(struct mipi_dsi_device *dsi) mipi_dsi_set_drvdata(dsi, pinfo); drm_panel_init(&pinfo->panel, dev, &nt36523_panel_funcs, DRM_MODE_CONNECTOR_DSI); + ret = of_drm_get_panel_orientation(dev->of_node, &pinfo->orientation); + if (ret < 0) { + dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret); + return ret; + } + if (pinfo->desc->has_dcs_backlight) { pinfo->panel.backlight = nt36523_create_backlight(dsi); if (IS_ERR(pinfo->panel.backlight)) |