AST2600 can host VGA and DisplayPort outputs. Support both on the same device. As userspace can often only support a single output per CRTC, connectors are prioritized against each other by the probe helpers. Reported-by: Shixiong Ou <oushixiong@xxxxxxxxxx> Closes: https://lore.kernel.org/dri-devel/20240711090102.352213-1-oushixiong1025@xxxxxxx/ Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> --- drivers/gpu/drm/ast/ast_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 0637abb70361..d43aedaa8dd0 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -115,7 +115,7 @@ static void ast_detect_tx_chip(struct ast_device *ast, bool need_post) } else if (IS_AST_GEN7(ast)) { if (ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xD1, TX_TYPE_MASK) == ASTDP_DPMCU_TX) { - ast->tx_chip_types = AST_TX_ASTDP_BIT; + ast->tx_chip_types |= AST_TX_ASTDP_BIT; ast_dp_launch(&ast->base); } } -- 2.45.2