diff options
| author | Anshuman Gupta <[email protected]> | 2021-01-11 13:41:04 +0530 |
|---|---|---|
| committer | Anshuman Gupta <[email protected]> | 2021-01-13 08:29:31 +0530 |
| commit | 0abd3acf8a3113132ebf860f6a596d99a5a70c28 (patch) | |
| tree | b7d2f829961bfaca94e0821d04177cff13e53c47 | |
| parent | b3c6661aad979ec3d4f5675cf3e6a35828607d6a (diff) | |
drm/i915/hotplug: Handle CP_IRQ for DP-MST
Handle CP_IRQ in DEVICE_SERVICE_IRQ_VECTOR_ESI0
It requires to call intel_hdcp_handle_cp_irq() in case
of CP_IRQ is triggered by a sink in DP-MST topology.
Cc: "Ville Syrjälä" <[email protected]>
Cc: Ramalingam C <[email protected]>
Reviewed-by: Uma Shankar <[email protected]>
Reviewed-by: Ramalingam C <[email protected]>
Tested-by: Karthik B S <[email protected]>
Signed-off-by: Anshuman Gupta <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 469e765a1b7b..8aadb08df0cf 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6205,6 +6205,17 @@ update_status: "Could not write test response to sink\n"); } +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); + + if (esi[1] & DP_CP_IRQ) { + intel_hdcp_handle_cp_irq(intel_dp->attached_connector); + *handled = true; + } +} + /** * intel_dp_check_mst_status - service any pending MST interrupts, check link status * @intel_dp: Intel DP struct @@ -6249,7 +6260,8 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_dbg_kms(&i915->drm, "got esi %3ph\n", esi); - drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled); + intel_dp_mst_hpd_irq(intel_dp, esi, &handled); + if (!handled) break; |