From: Baihan Li <libaihan@huawei.com> maillist inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IC0U9U CVE: NA Reference: https://cgit.freedesktop.org/drm/drm-misc/commit/?id=4c962bc929f1734d209a086... ---------------------------------------------------------------------- Because the connected VGA connector would make driver can't get the userspace call, adding detect_ctx in vga connector to make HPD active userspace. Signed-off-by: Baihan Li <libaihan@huawei.com> Signed-off-by: Yongbang Shi <shiyongbang@huawei.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20250331074212.3370287-10-shiyongbang@huawei.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c index db3d1591c..945438a01 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c @@ -59,6 +59,7 @@ static void hibmc_connector_destroy(struct drm_connector *connector) static const struct drm_connector_helper_funcs hibmc_connector_helper_funcs = { .get_modes = hibmc_connector_get_modes, + .detect_ctx = drm_connector_helper_detect_from_ddc, }; static const struct drm_connector_funcs hibmc_connector_funcs = { @@ -126,5 +127,7 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv) drm_connector_attach_encoder(connector, encoder); + connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; + return 0; } -- 2.33.0