| Message ID | 1647452154-16361-10-git-send-email-quic_sbillaka@quicinc.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Add support for the eDP panel on sc7280 CRD | expand |
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index f15316b..f8ddc73 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -596,8 +596,10 @@ void dp_catalog_ctrl_hpd_config(struct dp_catalog *dp_catalog) reftimer |= DP_DP_HPD_REFTIMER_ENABLE; dp_write_aux(catalog, REG_DP_DP_HPD_REFTIMER, reftimer); - /* Enable HPD */ - dp_write_aux(catalog, REG_DP_DP_HPD_CTRL, DP_DP_HPD_CTRL_HPD_EN); + /* Enable HPD if supported*/ + if (!of_property_read_bool(catalog->dev->of_node, "no-hpd")) + dp_write_aux(catalog, REG_DP_DP_HPD_CTRL, + DP_DP_HPD_CTRL_HPD_EN); } u32 dp_catalog_link_is_connected(struct dp_catalog *dp_catalog)
Some eDP sinks or platform boards will not support hpd. This patch adds support for those cases. Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com> --- drivers/gpu/drm/msm/dp/dp_catalog.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)