Commit 3271faf4 authored by Baihan Li's avatar Baihan Li Committed by Dmitry Baryshkov
Browse files

drm/hisilicon/hibmc: fix dp and vga cannot show together 



If VGA and DP connected together, there will be only one can get crtc.
Add encoder possible_clones to support two connectors enable.

Fixes: 3c7623fb ("drm/hisilicon/hibmc: Enable this hot plug detect of irq feature")
Signed-off-by: default avatarBaihan Li <libaihan@huawei.com>
Signed-off-by: default avatarYongbang Shi <shiyongbang@huawei.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250813094238.3722345-8-shiyongbang@huawei.com


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
parent 9f98b429

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c

+8 −0
Original line number Diff line number Diff line
@@ -115,6 +115,8 @@ static const struct drm_mode_config_funcs hibmc_mode_funcs = { 
static int hibmc_kms_init(struct hibmc_drm_private *priv)

{

	struct drm_device *dev = &priv->dev;

	struct drm_encoder *encoder;

	u32 clone_mask = 0;

	int ret;



	ret = drmm_mode_config_init(dev);
@@ -154,6 +156,12 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv) 
		return ret;

	}



	drm_for_each_encoder(encoder, dev)

		clone_mask |= drm_encoder_mask(encoder);



	drm_for_each_encoder(encoder, dev)

		encoder->possible_clones = clone_mask;



	return 0;

}