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-rw-r--r--drivers/gpu/drm/sun4i/sun4i_hdmi.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi.h b/drivers/gpu/drm/sun4i/sun4i_hdmi.h
index 9b97da3..b685ee1 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi.h
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi.h
@@ -72,6 +72,11 @@
#define SUN4I_HDMI_PAD_CTRL1_HALVE_CLK BIT(6)
#define SUN4I_HDMI_PAD_CTRL1_REG_AMP(n) (((n) & 7) << 3)
+/* These bits seem to invert the TMDS data channels */
+#define SUN4I_HDMI_PAD_CTRL1_INVERT_R BIT(2)
+#define SUN4I_HDMI_PAD_CTRL1_INVERT_G BIT(1)
+#define SUN4I_HDMI_PAD_CTRL1_INVERT_B BIT(0)
+
#define SUN4I_HDMI_PLL_CTRL_REG 0x208
#define SUN4I_HDMI_PLL_CTRL_PLL_EN BIT(31)
#define SUN4I_HDMI_PLL_CTRL_BWS BIT(30)
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