Use REG_FIELD_{PREP,GET} for completeness, and to avoid bitwise operations with different sizes. v2: Also use REG_FIELD_GET in skl_wm_level_from_reg_val() (Ville) Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 5af16ca4dabd..f7fabcabf805 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); @@ -6578,7 +6578,7 @@ static void skl_wm_level_from_reg_val(u32 val, struct skl_wm_level *level) { level->enable = val & PLANE_WM_EN; level->ignore_lines = val & PLANE_WM_IGNORE_LINES; - level->blocks = val & PLANE_WM_BLOCKS_MASK; + level->blocks = REG_FIELD_GET(PLANE_WM_BLOCKS_MASK, val); level->lines = REG_FIELD_GET(PLANE_WM_LINES_MASK, val); } -- 2.30.2