From 61aa7a6f760e78e50fad708029fc3aa201ec7a89 Mon Sep 17 00:00:00 2001 From: abdoulaye berthe Date: Thu, 10 Oct 2019 16:41:52 -0400 Subject: drm/amd/display: disable lttpr for invalid lttpr caps. 1-Read lttpr caps in 5-bytes 2-Parse caps 3-Validate caps and set lttpr_mode 4-Use hw default timeout when lttpr is disabled. Signed-off-by: abdoulaye berthe Reviewed-by: Wenjing Liu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc_types.h | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) (limited to 'drivers/gpu/drm/amd/display/dc/dc_types.h') diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 837859e65e45..45dfed8bcaf7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -420,20 +420,9 @@ enum link_training_offset { LTTPR_PHY_REPEATER8 = 8 }; -enum lttpr_mode { - phy_repeater_mode_transparent = 0x55, - phy_repeater_mode_non_transparent = 0xAA -}; - -enum lttpr_rev { - lttpr_rev_unknown = 0x0, - lttpr_rev_14 = 0x14, - lttpr_rev_max = 0x20 -}; - struct dc_lttpr_caps { - enum lttpr_rev revision; - enum lttpr_mode mode; + union dpcd_rev revision; + uint8_t mode; uint8_t max_lane_count; uint8_t max_link_rate; uint8_t phy_repeater_cnt; -- cgit v1.2.3