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path: root/drivers/gpu/drm/i915/display/intel_dp_link_training.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_link_training.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp_link_training.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index a62bca622..1abfafbbf 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -1401,11 +1401,13 @@ void intel_dp_128b132b_sdp_crc16(struct intel_dp *intel_dp,
* Default value of bit 31 is '0' hence discarding the write
* TODO: Corrective actions on SDP corruption yet to be defined
*/
- if (intel_dp_is_uhbr(crtc_state))
- /* DP v2.0 SCR on SDP CRC16 for 128b/132b Link Layer */
- drm_dp_dpcd_writeb(&intel_dp->aux,
- DP_SDP_ERROR_DETECTION_CONFIGURATION,
- DP_SDP_CRC16_128B132B_EN);
+ if (!intel_dp_is_uhbr(crtc_state))
+ return;
+
+ /* DP v2.0 SCR on SDP CRC16 for 128b/132b Link Layer */
+ drm_dp_dpcd_writeb(&intel_dp->aux,
+ DP_SDP_ERROR_DETECTION_CONFIGURATION,
+ DP_SDP_CRC16_128B132B_EN);
lt_dbg(intel_dp, DP_PHY_DPRX, "DP2.0 SDP CRC16 for 128b/132b enabled\n");
}