drm/i915: Use fixed_16_16 wrapper for division operation

Don't use fixed_16_16 structure members directly, instead use wrapper to
perform fixed_16_16 division operation.

Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517115831.13830-4-mahesh1.kumar@intel.com

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index d12bbe651dd5c827c9dfbb72af385f6f7e393246..8ff8cc59dccaccf0afb283bf5826341a8664ad2f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4334,8 +4334,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
        }
 
        res_blocks = fixed_16_16_to_u32_round_up(selected_result) + 1;
-       res_lines = DIV_ROUND_UP(selected_result.val,
-                                plane_blocks_per_line.val);
+       res_lines = div_round_up_fixed16(selected_result,
+                                        plane_blocks_per_line);
 
        if (level >= 1 && level <= 7) {
                if (y_tiled) {