From ec98c8d1ffdc87c54ec0896db45db5b7bd22eca9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Fri, 11 Oct 2013 15:26:26 +0300 Subject: [PATCH] drm/i915: Check 5/6 DDB split only when sprites are enabled MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Using the 5/6 DDB split make sense only when sprites are enabled. So check that before we waste any cycles computing the merged watermarks with the 5/6 DDB split. Signed-off-by: Ville Syrjälä Reviewed-by: Paulo Zanoni Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_pm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index cdd78f69a28b..8064ff927bcc 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2931,7 +2931,8 @@ static void haswell_update_wm(struct drm_crtc *crtc) ilk_wm_merge(dev, &max, &lp_wm_1_2); /* 5/6 split only in single pipe config on IVB+ */ - if (INTEL_INFO(dev)->gen >= 7 && config.num_pipes_active == 1) { + if (INTEL_INFO(dev)->gen >= 7 && + config.num_pipes_active == 1 && config.sprites_enabled) { ilk_compute_wm_maximums(dev, 1, &config, INTEL_DDB_PART_5_6, &max); ilk_wm_merge(dev, &max, &lp_wm_5_6); -- 2.20.1