It appears that the total vertical resolution needs to be doubled when we're not in interlaced. Make sure that is the case.
Signed-off-by: Maxime Ripard maxime.ripard@free-electrons.com --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index e44217fb4f6f..515fa56c1e6a 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -248,10 +248,13 @@ void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon, struct drm_encoder *encoder, SUN4I_TCON1_BASIC3_H_BACKPORCH(bp));
bp = mode->crtc_vtotal - mode->crtc_vsync_start; + val = mode->crtc_vtotal; + if (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) + val = val * 2; DRM_DEBUG_DRIVER("Setting vertical total %d, backporch %d\n", mode->vtotal, bp); regmap_write(tcon->regs, SUN4I_TCON1_BASIC4_REG, - SUN4I_TCON1_BASIC4_V_TOTAL(mode->vtotal) | + SUN4I_TCON1_BASIC4_V_TOTAL(val) | SUN4I_TCON1_BASIC4_V_BACKPORCH(bp));
/* Set Hsync and Vsync length */