[PATCH v6 19/22] drm/rockchip: dw_hdmi_qp: Mask HPD IRQ in rk3576_io_init()

Cristian Ciocaltea cristian.ciocaltea at collabora.com
Wed May 20 11:38:30 PDT 2026


Mask the RK3576 HPD interrupt in io_init() so it starts disabled,
matching the RK3588 behavior.  This prevents spurious interrupts before
the bridge framework enables HPD via the .hpd_enable() callback.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea at collabora.com>
---
 drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
index 27342094958c..62ea5c7cbbe6 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
@@ -346,7 +346,7 @@ static void dw_hdmi_qp_rk3576_io_init(struct rockchip_hdmi_qp *hdmi)
 
 	regmap_write(hdmi->vo_regmap, RK3576_VO0_GRF_SOC_CON14, val);
 
-	val = FIELD_PREP_WM16(RK3576_HDMI_HPD_INT_MSK, 0);
+	val = FIELD_PREP_WM16(RK3576_HDMI_HPD_INT_MSK, 1);
 	regmap_write(hdmi->regmap, RK3576_IOC_MISC_CON0, val);
 }
 

-- 
2.53.0




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