From: Paulo Zanoni <paulo.r.zan...@intel.com>
... instead of mode->crtc_display. The spec says "pipe horizontal
total number of pixels" and the "Haswell Watermark Calculator" tool
uses the "Pipe H Total" instead of "Pipe H Src" as the value.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index d056bc9..4cc5f99 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2035,7 +2035,7 @@ haswell_update_linetime_wm(struct drm_device *dev, struct
drm_crtc *crtc)
* row at the given clock rate, multiplied by 8.
* */
temp |= PIPE_WM_LINETIME_TIME(
- ((mode->crtc_hdisplay * 1000) / mode->clock) * 8);
+ ((mode->htotal * 1000) / mode->clock) * 8);
/* IPS watermarks are only used by pipe A, and are ignored by
* pipes B and C. They are calculated similarly to the common
--
1.7.10.4
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