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drm: sun4i: hdmi: Fix inverted HPD result 

[ Upstream commit baa1841eb7 ]

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

Fix this by inverting the check.

Fixes: bda8eaa6de ("drm: sun4i: hdmi: Remove extra HPD polling")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Tested-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711011030.21997-1-wens@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Chen-Yu Tsai 2020-07-11 09:10:30 +08:00 committed by Greg Kroah-Hartman
parent 988e5d2179
commit a2cdb4ebd8
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
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@ -263,7 +263,7 @@ 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;
}