Driver has to swap the endian before send brightness level value to tcon. v2: Use __be16 instead of u16 to fix sparse warning.
Reported-by: kernel test robot <[email protected]> Cc: Ville Syrjala <[email protected]> Cc: Jani Nikula <[email protected]> Cc: Vandita Kulkarni <[email protected]> Cc: Cooper Chiou <[email protected]> Cc: William Tseng <[email protected]> Signed-off-by: Lee Shawn C <[email protected]> --- drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c index cd85520d36e2..71c2adfa8931 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c @@ -66,10 +66,9 @@ static void dcs_set_backlight(const struct drm_connector_state *conn_state, u32 { struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(conn_state->best_encoder)); struct mipi_dsi_device *dsi_device; - u8 data = level; + __be16 data = cpu_to_be16(level); enum port port; - /* FIXME: Need to take care of 16 bit brightness level */ for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) { dsi_device = intel_dsi->dsi_hosts[port]->device; mipi_dsi_dcs_write(dsi_device, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, -- 2.17.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
