The current code does a binary OR on the possible_crtcs variable of the
TXP encoder, while we want to set it to that value instead.
Cc: <stable@xxxxxxxxxxxxxxx> # v5.9+
Fixes: 39fcb2808376 ("drm/vc4: txp: Turn the TXP into a CRTC of its own")
Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_txp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c
index c0122d83b651..2fc7f4b5fa09 100644
--- a/drivers/gpu/drm/vc4/vc4_txp.c
+++ b/drivers/gpu/drm/vc4/vc4_txp.c
@@ -507,7 +507,7 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
return ret;
encoder = &txp->connector.encoder;
- encoder->possible_crtcs |= drm_crtc_mask(crtc);
+ encoder->possible_crtcs = drm_crtc_mask(crtc);
ret = devm_request_irq(dev, irq, vc4_txp_interrupt, 0,
dev_name(dev), txp);
--
2.30.2
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