diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0633-drm-amdgpu-add-DisplayPort-CEC-Tunneling-over-AUX-su.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0633-drm-amdgpu-add-DisplayPort-CEC-Tunneling-over-AUX-su.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0633-drm-amdgpu-add-DisplayPort-CEC-Tunneling-over-AUX-su.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0633-drm-amdgpu-add-DisplayPort-CEC-Tunneling-over-AUX-su.patch new file mode 100644 index 00000000..98818863 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0633-drm-amdgpu-add-DisplayPort-CEC-Tunneling-over-AUX-su.patch @@ -0,0 +1,80 @@ +From 7553b56125dbee2d6d11cf3814b8c000e8327ac3 Mon Sep 17 00:00:00 2001 +From: Hans Verkuil <hans.verkuil@cisco.com> +Date: Mon, 27 Aug 2018 10:08:18 +0200 +Subject: [PATCH 0633/2940] drm/amdgpu: add DisplayPort CEC-Tunneling-over-AUX + support + +Add DisplayPort CEC-Tunneling-over-AUX support to amdgpu. + +Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Link: https://patchwork.freedesktop.org/patch/msgid/de9586bb-151e-bae9-b8e3-14db107a60df@xs4all.nl +Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++++++- + .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 ++ + 2 files changed, 10 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +index a7a3832ff848..129db8e99084 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -1068,6 +1068,7 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector) + aconnector->dc_sink = sink; + if (sink->dc_edid.length == 0) { + aconnector->edid = NULL; ++ drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux); + } else { + aconnector->edid = + (struct edid *) sink->dc_edid.raw_edid; +@@ -1075,10 +1076,13 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector) + + drm_connector_update_edid_property(connector, + aconnector->edid); ++ drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux, ++ aconnector->edid); + } + amdgpu_dm_update_freesync_caps(connector, aconnector->edid); + + } else { ++ drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux); + amdgpu_dm_update_freesync_caps(connector, NULL); + drm_connector_update_edid_property(connector, NULL); + aconnector->num_modes = 0; +@@ -1266,8 +1270,10 @@ static void handle_hpd_rx_irq(void *param) + (dc_link->type == dc_connection_mst_branch)) + dm_handle_hpd_rx_irq(aconnector); + +- if (dc_link->type != dc_connection_mst_branch) ++ if (dc_link->type != dc_connection_mst_branch) { ++ drm_dp_cec_irq(&aconnector->dm_dp_aux.aux); + mutex_unlock(&aconnector->hpd_lock); ++ } + } + + static void register_hpd_handlers(struct amdgpu_device *adev) +@@ -3032,6 +3038,7 @@ static void amdgpu_dm_connector_destroy(struct drm_connector *connector) + dm->backlight_dev = NULL; + } + #endif ++ drm_dp_cec_unregister_connector(&aconnector->dm_dp_aux.aux); + drm_connector_unregister(connector); + drm_connector_cleanup(connector); + kfree(connector); +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +index 58ac8a879d28..a4bc29f83c4b 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +@@ -469,6 +469,8 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, + aconnector->dm_dp_aux.ddc_service = aconnector->dc_link->ddc; + + drm_dp_aux_register(&aconnector->dm_dp_aux.aux); ++ drm_dp_cec_register_connector(&aconnector->dm_dp_aux.aux, ++ aconnector->base.name, dm->adev->dev); + aconnector->mst_mgr.cbs = &dm_mst_cbs; + drm_dp_mst_topology_mgr_init( + &aconnector->mst_mgr, +-- +2.17.1 + |