diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 467e89dafe37..23d3342081b8 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4907,6 +4907,17 @@ static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc, u8 active_pipes) } static bool +use_min_ddb(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 bool use_minimal_wm0_only(const struct intel_crtc_state *crtc_state, struct intel_plane *plane) { @@ -4935,6 +4946,14 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *crtc_state, if (plane->id == PLANE_CURSOR) return 0; + /* + * We calculate extra ddb based on ratio plane rate/total data rate + * in case, in some cases we should not allocate extra ddb for the plane, + * so do not count its data rate, if this is the case. + */ + if (use_min_ddb(crtc_state, plane)) + return 0; + if (color_plane == 1 && !intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier)) return 0; |