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

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

Fixes: 3c7623fb5b ("drm/hisilicon/hibmc: Enable this hot plug detect of irq feature")
Signed-off-by: Baihan Li <libaihan@huawei.com>
Signed-off-by: Yongbang Shi <shiyongbang@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250813094238.3722345-8-shiyongbang@huawei.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Baihan Li 2025-08-13 17:42:34 +08:00 committed by Dmitry Baryshkov
parent 9f98b429ba
commit 3271faf42d
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
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@ -115,6 +115,8 @@ static const struct drm_mode_config_funcs hibmc_mode_funcs = {
static int hibmc_kms_init(struct hibmc_drm_private *priv) static int hibmc_kms_init(struct hibmc_drm_private *priv)
{ {
struct drm_device *dev = &priv->dev; struct drm_device *dev = &priv->dev;
struct drm_encoder *encoder;
u32 clone_mask = 0;
int ret; int ret;
ret = drmm_mode_config_init(dev); ret = drmm_mode_config_init(dev);
@ -154,6 +156,12 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
return ret; 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; return 0;
} }