From f199f71f20916ddaf2bfc4dceea33c776d414428 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 4 Jan 2022 20:48:57 +0200 Subject: [PATCH] drm/mst: use DP_GET_SINK_COUNT() for sink count in ESI MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Take bit 7 into account when reading sink count from DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0. Signed-off-by: Jani Nikula Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20220104184857.784563-2-jani.nikula@intel.com --- drivers/gpu/drm/drm_dp_mst_topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index f3d79eda94bb0..ab4372e9fe438 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -4196,7 +4196,7 @@ int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handl int ret = 0; int sc; *handled = false; - sc = esi[0] & 0x3f; + sc = DP_GET_SINK_COUNT(esi[0]); if (sc != mgr->sink_count) { mgr->sink_count = sc; -- 2.30.2