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From: Jani Nikula <jani.nikula@intel.com>
To: dri-devel@lists.freedesktop.org
Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org
Subject: [PATCH 2/2] drm/mst: use DP_GET_SINK_COUNT() for sink count in ESI
Date: Tue,  4 Jan 2022 20:48:57 +0200	[thread overview]
Message-ID: <20220104184857.784563-2-jani.nikula@intel.com> (raw)
In-Reply-To: <20220104184857.784563-1-jani.nikula@intel.com>

Take bit 7 into account when reading sink count from
DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0.

Signed-off-by: Jani Nikula <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 f3d79eda94bb..ab4372e9fe43 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


WARNING: multiple messages have this Message-ID (diff)
From: Jani Nikula <jani.nikula@intel.com>
To: dri-devel@lists.freedesktop.org
Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 2/2] drm/mst: use DP_GET_SINK_COUNT() for sink count in ESI
Date: Tue,  4 Jan 2022 20:48:57 +0200	[thread overview]
Message-ID: <20220104184857.784563-2-jani.nikula@intel.com> (raw)
In-Reply-To: <20220104184857.784563-1-jani.nikula@intel.com>

Take bit 7 into account when reading sink count from
DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0.

Signed-off-by: Jani Nikula <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 f3d79eda94bb..ab4372e9fe43 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


  reply	other threads:[~2022-01-04 18:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-04 18:48 [PATCH 1/2] drm/dp: note that DPCD 0x2002-0x2003 match 0x200-0x201 Jani Nikula
2022-01-04 18:48 ` [Intel-gfx] " Jani Nikula
2022-01-04 18:48 ` Jani Nikula [this message]
2022-01-04 18:48   ` [Intel-gfx] [PATCH 2/2] drm/mst: use DP_GET_SINK_COUNT() for sink count in ESI Jani Nikula
2022-01-10 16:01   ` Ville Syrjälä
2022-01-04 20:39 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for series starting with [1/2] drm/dp: note that DPCD 0x2002-0x2003 match 0x200-0x201 Patchwork
2022-01-04 20:59 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-01-10 16:01 ` [Intel-gfx] [PATCH 1/2] " Ville Syrjälä
2022-01-11 15:51   ` Jani Nikula
2022-01-11 10:44 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for series starting with [1/2] drm/dp: note that DPCD 0x2002-0x2003 match 0x200-0x201 (rev2) Patchwork
2022-01-11 11:17 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-01-11 15:18 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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