diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fdc28a3d2936..e517bdd2c2f9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4674,6 +4674,15 @@ skl_compute_plane_wm_params(const struct intel_crtc_state *cstate, return 0; } +static bool skl_wm_has_lines(struct drm_i915_private *dev_priv, int level) +{ + if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) + return true; + + /* The number of lines are ignored for the level 0 watermark. */ + return level > 0; +} + static void skl_compute_plane_wm(const struct intel_crtc_state *cstate, const struct intel_plane_state *intel_pstate, int level, @@ -4756,8 +4765,10 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *cstate, } } - /* The number of lines are ignored for the level 0 watermark. */ - if (level > 0 && res_lines > 31) + if (!skl_wm_has_lines(dev_priv, level)) + res_lines = 0; + + if (res_lines > 31) return; /* |