From: Chen-Yu Tsai <w...@csie.org>

[ Upstream commit baa1841eb797eadce6c907bdaed7cd6f01815404 ]

When the extra HPD polling in sun4i_hdmi was removed, the result of
HPD was accidentally inverted.

Fix this by inverting the check.

Fixes: bda8eaa6dee7 ("drm: sun4i: hdmi: Remove extra HPD polling")
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
Tested-by: Mans Rullgard <m...@mansr.com>
Signed-off-by: Maxime Ripard <max...@cerno.tech>
Link: 
https://patchwork.freedesktop.org/patch/msgid/20200711011030.21997-1-w...@kernel.org
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c 
b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index 7e7fa8cef2ade..8ba19a8ca40f1 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -243,7 +243,7 @@ sun4i_hdmi_connector_detect(struct drm_connector 
*connector, bool force)
        unsigned long reg;
 
        reg = readl(hdmi->base + SUN4I_HDMI_HPD_REG);
-       if (reg & SUN4I_HDMI_HPD_HIGH) {
+       if (!(reg & SUN4I_HDMI_HPD_HIGH)) {
                cec_phys_addr_invalidate(hdmi->cec_adap);
                return connector_status_disconnected;
        }
-- 
2.25.1



Reply via email to