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* [Intel-gfx] [PATCH RESEND 1/7] drm/i915/mst: fix intel_dp_mst_hpd_irq() indentation
@ 2022-01-12 11:03 Jani Nikula
  2022-01-12 11:03 ` [Intel-gfx] [PATCH RESEND 2/7] drm/i915/mst: abstract intel_dp_ack_sink_irq_esi() Jani Nikula
                   ` (10 more replies)
  0 siblings, 11 replies; 24+ messages in thread
From: Jani Nikula @ 2022-01-12 11:03 UTC (permalink / raw)
  To: intel-gfx; +Cc: Jani Nikula

Remove extra indentation.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 942a755a0c48..e789ecbc69f3 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3618,12 +3618,12 @@ static void intel_dp_handle_test_request(struct intel_dp *intel_dp)
 static void
 intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, bool *handled)
 {
-		drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, handled);
+	drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, handled);
 
-		if (esi[1] & DP_CP_IRQ) {
-			intel_hdcp_handle_cp_irq(intel_dp->attached_connector);
-			*handled = true;
-		}
+	if (esi[1] & DP_CP_IRQ) {
+		intel_hdcp_handle_cp_irq(intel_dp->attached_connector);
+		*handled = true;
+	}
 }
 
 /**
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 24+ messages in thread
* [Intel-gfx] [PATCH 7/7] drm/i915/mst: only ack the ESI we actually handled
@ 2022-01-04 17:39 Jani Nikula
  2022-01-20 10:30 ` [Intel-gfx] [PATCH v2] " Jani Nikula
  0 siblings, 1 reply; 24+ messages in thread
From: Jani Nikula @ 2022-01-04 17:39 UTC (permalink / raw)
  To: intel-gfx; +Cc: jani.nikula

Seems odd that we clear all event status indicators if we've only
handled some. Only clear the ones we've handled.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 82388112e062..ebceba6ffc4b 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3624,13 +3624,17 @@ static void intel_dp_handle_test_request(struct intel_dp *intel_dp)
 }
 
 static void
-intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, bool *handled)
+intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, u8 *ack)
 {
-	drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, handled);
+	bool handled = false;
+
+	drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled);
+	if (handled)
+		ack[1] |= DP_DOWN_REP_MSG_RDY | DP_UP_REQ_MSG_RDY;
 
 	if (esi[1] & DP_CP_IRQ) {
 		intel_hdcp_handle_cp_irq(intel_dp->attached_connector);
-		*handled = true;
+		ack[1] |= DP_CP_IRQ;
 	}
 }
 
@@ -3682,7 +3686,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
 
 	for (;;) {
 		u8 esi[4] = {};
-		bool handled;
+		u8 ack[4] = {};
 
 		if (!intel_dp_get_sink_irq_esi(intel_dp, esi)) {
 			drm_dbg_kms(&i915->drm,
@@ -3698,15 +3702,15 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
 		    esi[3] & LINK_STATUS_CHANGED) {
 			if (!intel_dp_mst_link_status(intel_dp))
 				link_ok = false;
-			handled = true;
+			ack[3] |= LINK_STATUS_CHANGED;
 		}
 
-		intel_dp_mst_hpd_irq(intel_dp, esi, &handled);
+		intel_dp_mst_hpd_irq(intel_dp, esi, ack);
 
-		if (!handled)
+		if (!memchr_inv(ack, 0, sizeof(ack)))
 			break;
 
-		if (!intel_dp_ack_sink_irq_esi(intel_dp, esi))
+		if (!intel_dp_ack_sink_irq_esi(intel_dp, ack))
 			drm_dbg_kms(&i915->drm, "Failed to ack ESI\n");
 	}
 
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 24+ messages in thread

end of thread, other threads:[~2022-01-21 11:27 UTC | newest]

Thread overview: 24+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-12 11:03 [Intel-gfx] [PATCH RESEND 1/7] drm/i915/mst: fix intel_dp_mst_hpd_irq() indentation Jani Nikula
2022-01-12 11:03 ` [Intel-gfx] [PATCH RESEND 2/7] drm/i915/mst: abstract intel_dp_ack_sink_irq_esi() Jani Nikula
2022-01-20 11:29   ` Shankar, Uma
2022-01-12 11:03 ` [Intel-gfx] [PATCH RESEND 3/7] drm/i915/mst: debug log 4 bytes of ESI right after reading Jani Nikula
2022-01-20 10:37   ` Shankar, Uma
2022-01-12 11:03 ` [Intel-gfx] [PATCH RESEND 4/7] drm/i915/mst: abstract handling of link status in DP MST Jani Nikula
2022-01-20 10:39   ` Shankar, Uma
2022-01-12 11:03 ` [Intel-gfx] [PATCH RESEND 5/7] drm/i915/mst: read link status only when requested by sink in ESI Jani Nikula
2022-01-20 10:41   ` Shankar, Uma
2022-01-12 11:03 ` [Intel-gfx] [PATCH RESEND 6/7] drm/i915/mst: ack sink irq ESI for link status changes Jani Nikula
2022-01-20 10:42   ` Shankar, Uma
2022-01-12 11:03 ` [Intel-gfx] [PATCH RESEND 7/7] drm/i915/mst: only ack the ESI we actually handled Jani Nikula
2022-01-20 10:43   ` Shankar, Uma
2022-01-20 11:01     ` Jani Nikula
2022-01-20 11:33       ` Shankar, Uma
2022-01-21 11:27         ` Jani Nikula
2022-01-20 11:01   ` [Intel-gfx] [PATCH v2] " Jani Nikula
2022-01-20 11:31     ` Shankar, Uma
2022-01-12 13:30 ` [Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [RESEND,1/7] drm/i915/mst: fix intel_dp_mst_hpd_irq() indentation Patchwork
2022-01-12 17:27 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2022-01-20 11:28 ` [Intel-gfx] [PATCH RESEND 1/7] " Shankar, Uma
2022-01-20 11:56 ` [Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [RESEND,1/7] drm/i915/mst: fix intel_dp_mst_hpd_irq() indentation (rev2) Patchwork
2022-01-20 13:57 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
  -- strict thread matches above, loose matches on Subject: below --
2022-01-04 17:39 [Intel-gfx] [PATCH 7/7] drm/i915/mst: only ack the ESI we actually handled Jani Nikula
2022-01-20 10:30 ` [Intel-gfx] [PATCH v2] " Jani Nikula

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