[PATCH] drm/i915: Pump up transition watermarks

Mika Kahola mika.kahola at intel.com
Tue Dec 11 11:09:35 UTC 2018


Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103166

Signed-off-by: Mika Kahola <mika.kahola at intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 2bba5315b764..c52b855e774f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4921,7 +4921,7 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate,
 	struct drm_device *dev = cstate->base.crtc->dev;
 	const struct drm_i915_private *dev_priv = to_i915(dev);
 	uint16_t trans_min, trans_y_tile_min;
-	const uint16_t trans_amount = 10; /* This is configurable amount */
+	const uint16_t trans_amount = 16; /* This is configurable amount */
 	uint16_t wm0_sel_res_b, trans_offset_b, res_blocks;
 
 	/* Transition WM are not recommended by HW team for GEN9 */
@@ -4934,7 +4934,7 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate,
 
 	trans_min = 14;
 	if (INTEL_GEN(dev_priv) >= 11)
-		trans_min = 4;
+		trans_min = 8;
 
 	trans_offset_b = trans_min + trans_amount;
 
-- 
2.17.1



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