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| author |   Tony Cheng <tony.cheng@amd.com> | 2017-03-14 19:16:36 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 17:20:19 -0400 |
| commit | 0e19401f9506e710379396479c3824d80ccdc332 (patch) | |
| tree | 3a2bdfb837dad95a21d395b1027d773ef31da6c8 /drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | |
| parent | drm/amd/display: support CP2520 pattern 2 for HBR2 compliance (diff) | |
| download | linux-dev-0e19401f9506e710379396479c3824d80ccdc332.tar.xz linux-dev-0e19401f9506e710379396479c3824d80ccdc332.zip | |
drm/amd/display: support PHY compliance automation for CP2520 pattern 1/2/3
Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c index 65cc64a17f41..ed46e9aaf357 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c @@ -376,7 +376,8 @@ static void set_dp_phy_pattern_80bit_custom( } static void set_dp_phy_pattern_hbr2_compliance_cp2520_2( - struct dce110_link_encoder *enc110) + struct dce110_link_encoder *enc110, + unsigned int cp2520_pattern) { /* previously there is a register DP_HBR2_EYE_PATTERN @@ -408,10 +409,13 @@ static void set_dp_phy_pattern_hbr2_compliance_cp2520_2( /* swap every BS with SR */ REG_UPDATE(DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_BS_COUNT, 0); - /* select cp2520 pattern 2 */ + /* select cp2520 patterns */ if (REG(DP_DPHY_HBR2_PATTERN_CONTROL)) REG_UPDATE(DP_DPHY_HBR2_PATTERN_CONTROL, - DP_DPHY_HBR2_PATTERN_CONTROL, 0x2); + DP_DPHY_HBR2_PATTERN_CONTROL, cp2520_pattern); + else + /* pre-DCE11 can only generate CP2520 pattern 2 */ + ASSERT(cp2520_pattern == 2); /* set link training complete */ set_link_training_complete(enc110, true); @@ -1395,8 +1399,11 @@ void dce110_link_encoder_dp_set_phy_pattern( set_dp_phy_pattern_80bit_custom( enc110, param->custom_pattern); break; - case DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE: - set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110); + case DP_TEST_PATTERN_CP2520_1: + set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 1); + break; + case DP_TEST_PATTERN_CP2520_2: + set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 2); break; case DP_TEST_PATTERN_VIDEO_MODE: { set_dp_phy_pattern_passthrough_mode( |