diff options
| author | abdoulaye berthe <abdoulaye.berthe@amd.com> | 2019-10-10 16:41:52 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-11-13 15:29:43 -0500 |
| commit | 61aa7a6f760e78e50fad708029fc3aa201ec7a89 (patch) | |
| tree | 7cf2746a59503281f44817f886533e1d7b2c1e9c /drivers/gpu/drm/amd/display/dc/dc_types.h | |
| parent | 9bffd0806d80de9c189b8cf69b3022783e5c8f2a (diff) | |
| download | linux-61aa7a6f760e78e50fad708029fc3aa201ec7a89.tar.bz2 | |
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 <abdoulaye.berthe@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_types.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_types.h | 15 |
1 files changed, 2 insertions, 13 deletions
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; |