[Intel-gfx] [PATCH] drm/i915: Round up the watermark entries (v2)

[Chris Wilson]

Even though "we have enough padding that it should be ok", round up the
watermark entries to the next unit to be on the safe side...

v2: Use the DIV_ROUND_UP macro

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_display.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f674b7a..aae3686 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2727,7 +2727,7 @@ static unsigned long intel_calculate_wm(unsigned long clock_in_khz,
 	 */
 	entries_required = ((clock_in_khz / 1000) * pixel_size * latency_ns) /
 		1000;
-	entries_required /= wm->cacheline_size;
+	entries_required = DIV_ROUND_UP(entries_required, wm->cacheline_size);
 
 	DRM_DEBUG_KMS("FIFO entries required for mode: %d\n", entries_required);
 
-- 
1.7.1