From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 21 Dec 2018 17:14:35 +0000 (+0200)
Subject: drm/i915: Drop the pointless linetime==0 check
X-Git-Tag: v5.1-rc1~117^2~15^2~15
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ff58c11cdbe99aaed8759caa39952e7355d50b78;p=linux.git

drm/i915: Drop the pointless linetime==0 check

0*whatever==0 so this check is pointless. Remove it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181221171436.8218-9-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
---

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c78674ef616f..1d1c56961b39 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4824,10 +4824,6 @@ skl_compute_linetime_wm(const struct intel_crtc_state *cstate)
 	u32 linetime_wm;
 
 	linetime_us = intel_get_linetime_us(cstate);
-
-	if (is_fixed16_zero(linetime_us))
-		return 0;
-
 	linetime_wm = fixed16_to_u32_round_up(mul_u32_fixed16(8, linetime_us));
 
 	/* Display WA #1135: bxt:ALL GLK:ALL */