HDLCD: correct the mapping of RGB signals into the TDA998x HDMI transmitter.

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>

diff --git a/drivers/gpu/drm/arm/hdlcd_hdmi_encoder.c b/drivers/gpu/drm/arm/hdlcd_hdmi_encoder.c
index f7964b7..70a6de8 100644 (file)
--- a/drivers/gpu/drm/arm/hdlcd_hdmi_encoder.c
+++ b/drivers/gpu/drm/arm/hdlcd_hdmi_encoder.c
@@ -38,6 +38,7 @@
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_encoder_slave.h>
+#include <drm/i2c/tda998x.h>
 #include <video/display_timing.h>
 #include <video/of_display_timing.h>
 #include <video/videomode.h>
@@ -140,6 +141,15 @@ static struct drm_encoder_helper_funcs hdlcd_encoder_helper_funcs = {
        .detect         = drm_i2c_encoder_detect,
 };
 
+static struct tda998x_encoder_params tda998x_params = {
+       .swap_a = 2,
+       .swap_b = 3,
+       .swap_c = 4,
+       .swap_d = 5,
+       .swap_e = 0,
+       .swap_f = 1,
+};
+
 int hdlcd_create_digital_connector(struct drm_device *dev,
                                struct hdlcd_drm_private *hdlcd)
 {
@@ -171,6 +181,9 @@ int hdlcd_create_digital_connector(struct drm_device *dev,
                        node->full_name);
        }
 
+       /* Hack: this needs to be specified in the device tree */
+       i2c_info.platform_data = &tda998x_params;
+
        err = drm_i2c_encoder_init(dev, slave, NULL, &i2c_info);
        of_node_put(node);
        if (err)