diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index f7cd936e7be0..467e89dafe37 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4906,6 +4906,17 @@ static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc, u8 active_pipes) return active_pipes & BIT(pipe) ? BIT(DBUF_S1) : 0; } +static bool +use_minimal_wm0_only(const struct intel_crtc_state *crtc_state, + struct intel_plane *plane) +{ + struct drm_i915_private *i915 = to_i915(plane->base.dev); + + return DISPLAY_VER(i915) >= 13 && + crtc_state->uapi.async_flip && + plane->async_flip; +} + static u64 skl_plane_relative_data_rate(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state, @@ -5510,7 +5521,8 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state, uint_fixed_16_16_t selected_result; u32 blocks, lines, min_ddb_alloc = 0; - if (latency == 0) { + if (latency == 0 || + (use_minimal_wm0_only(crtc_state, plane) && level > 0)) { /* reject it */ result->min_ddb_alloc = U16_MAX; return; |