drm/vc4: Add MISC_CONTROL register for vc4.

The MISC_CONTROL register allows configuration of pixel repetition
for pixel doubling in the HDMI block instead of PixelValve.
It was already defined for vc5, so add it for vc4.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi_regs.h b/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
index 5a56761..48db438 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
@@ -200,6 +200,7 @@ static const struct vc4_hdmi_register __maybe_unused vc4_hdmi_fields[] = {
        VC4_HDMI_REG(HDMI_VERTB0, 0x00d0),
        VC4_HDMI_REG(HDMI_VERTA1, 0x00d4),
        VC4_HDMI_REG(HDMI_VERTB1, 0x00d8),
+       VC4_HDMI_REG(HDMI_MISC_CONTROL, 0x00e4),
        VC4_HDMI_REG(HDMI_CEC_CNTRL_1, 0x00e8),
        VC4_HDMI_REG(HDMI_CEC_CNTRL_2, 0x00ec),
        VC4_HDMI_REG(HDMI_CEC_CNTRL_3, 0x00f0),