Attach the connector LUMINANCE property for ILI9341 displays and retain the legacy backlight class interface only when DRM_LUMINANCE is disabled.
Signed-off-by: Mario Limonciello <[email protected]> --- drivers/gpu/drm/tiny/Kconfig | 2 +- drivers/gpu/drm/tiny/ili9341.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig index e553b0aaa7571..85b166b659388 100644 --- a/drivers/gpu/drm/tiny/Kconfig +++ b/drivers/gpu/drm/tiny/Kconfig @@ -146,7 +146,7 @@ config TINYDRM_ILI9341 select DRM_KMS_HELPER select DRM_GEM_DMA_HELPER select DRM_MIPI_DBI - select BACKLIGHT_CLASS_DEVICE + select BACKLIGHT_CLASS_DEVICE if !DRM_LUMINANCE help DRM driver for the following Ilitek ILI9341 panels: * YX240QV29-T 2.4" 240x320 TFT (Adafruit 2.4") diff --git a/drivers/gpu/drm/tiny/ili9341.c b/drivers/gpu/drm/tiny/ili9341.c index 003381aa22ea4..3a5c8b39ec7dc 100644 --- a/drivers/gpu/drm/tiny/ili9341.c +++ b/drivers/gpu/drm/tiny/ili9341.c @@ -317,6 +317,9 @@ static int ili9341_probe(struct spi_device *spi) if (ret) return ret; drm_connector_helper_add(connector, &ili9341_connector_helper_funcs); + ret = drm_mipi_dbi_connector_attach_luminance_property(connector); + if (ret) + return ret; ret = drm_connector_attach_encoder(connector, encoder); if (ret) -- 2.43.0
