[PATCH 04/20] drm/amd/display: Updating Video Format Fall Back Policy.

[Qingqing Zhuo]

From: Jasdeep Dhillon <jdhillon at amd.com>

[WHY]
Adding 1920x1080 as fail safe mode for
Video Format Fall Back Policy.

Reviewed-by: Jerry Zuo <Jerry.Zuo at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
Signed-off-by: Jasdeep Dhillon <jdhillon at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c      | 5 +++++
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 1 +
 drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h     | 1 +
 3 files changed, 7 insertions(+)

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 8be9fb8ada55..790d4910c009 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7160,12 +7160,17 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
 			to_amdgpu_dm_connector(connector);
 	struct drm_encoder *encoder;
 	struct edid *edid = amdgpu_dm_connector->edid;
+	struct dc_link_settings *verified_link_cap =
+			&amdgpu_dm_connector->dc_link->verified_link_cap;
 
 	encoder = amdgpu_dm_connector_to_encoder(connector);
 
 	if (!drm_edid_is_valid(edid)) {
 		amdgpu_dm_connector->num_modes =
 				drm_add_modes_noedid(connector, 640, 480);
+		if (link_dp_get_encoding_format(verified_link_cap) == DP_128b_132b_ENCODING)
+			amdgpu_dm_connector->num_modes +=
+				drm_add_modes_noedid(connector, 1920, 1080);
 	} else {
 		amdgpu_dm_connector_ddc_get_modes(connector, edid);
 		amdgpu_dm_connector_add_common_modes(encoder, connector);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
index 8e572f07ec47..125012426a92 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
@@ -559,6 +559,7 @@ static void update_config(void *handle, struct cp_psp_stream_config *config)
 	link->dp.rev = aconnector->dc_link->dpcd_caps.dpcd_rev.raw;
 	link->dp.assr_enabled = config->assr_enabled;
 	link->dp.mst_enabled = config->mst_enabled;
+	link->dp.dp2_enabled = config->dp2_enabled;
 	link->dp.usb4_enabled = config->usb4_enabled;
 	display->adjust.disable = MOD_HDCP_DISPLAY_DISABLE_AUTHENTICATION;
 	link->adjust.auth_delay = 0;
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
index 3348bb97ef81..a4d344a4db9e 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
@@ -104,6 +104,7 @@ struct mod_hdcp_displayport {
 	uint8_t rev;
 	uint8_t assr_enabled;
 	uint8_t mst_enabled;
+	uint8_t dp2_enabled;
 	uint8_t usb4_enabled;
 };
 
-- 
2.34.1