diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 611041a94d06..fc5455a55bd7 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -1135,6 +1135,14 @@ static void enable_bs_jitter_was(const struct intel_crtc_state *crtc_state) if (crtc_state->fec_enable || intel_dp_is_uhbr(crtc_state)) set |= DP_MST_FEC_BS_JITTER_WA(crtc_state->cpu_transcoder); + /* Wa_14014143976:adlp */ + if (IS_DISPLAY_STEP(i915, STEP_E0, STEP_FOREVER)) { + if (intel_dp_is_uhbr(crtc_state)) + set |= DP_MST_SHORT_HBLANK_WA(crtc_state->cpu_transcoder); + else if (crtc_state->fec_enable) + clear |= DP_MST_SHORT_HBLANK_WA(crtc_state->cpu_transcoder); + } + if (!clear && !set) return; |