diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/skl_watermark.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index c888b0896d89..95941e878bf1 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -3185,6 +3185,13 @@ static void sanitize_wm_latency(struct intel_display *display) int level, num_levels = display->wm.num_levels; /* + * Xe3p and beyond should ignore level 0's reported latency and + * always apply WaWmMemoryReadLatency logic. + */ + if (DISPLAY_VER(display) >= 35) + wm[0] = 0; + + /* * If a level n (n > 1) has a 0us latency, all levels m (m >= n) * need to be disabled. We make sure to sanitize the values out * of the punit to satisfy this requirement. |