[Intel-gfx] [PATCH] drm/i915/wm: use REG_FIELD_PREP for PLANE_WM_BLOCKS_MASK

[Jani Nikula]

Use REG_FIELD_PREP for completeness, and to avoid bitwise operations
with different sizes.

Signed-off-by: Jani Nikula <jani.nikula at 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 5af16ca4dabd..3411ebaa767f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5930,7 +5930,7 @@ static void skl_write_wm_level(struct drm_i915_private *dev_priv,
 		val |= PLANE_WM_EN;
 	if (level->ignore_lines)
 		val |= PLANE_WM_IGNORE_LINES;
-	val |= level->blocks;
+	val |= REG_FIELD_PREP(PLANE_WM_BLOCKS_MASK, level->blocks);
 	val |= REG_FIELD_PREP(PLANE_WM_LINES_MASK, level->lines);
 
 	intel_de_write_fw(dev_priv, reg, val);
-- 
2.30.2