[PATCH 03/14] drm/tidss: dispc: Switch to FIELD_PREP for FLD_VAL

[Maxime Ripard <mripard@kernel.org>]

The FLD_VAL function in the dispc driver hand-rolls what the FIELD_PREP
macro provides. Let's switch to the latter.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 drivers/gpu/drm/tidss/tidss_dispc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
index 5a0904acbed279506df2edad559dfe06f25cd7b5..7e36f5af666342dc4f5fa9159d829d88362de18c 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -609,11 +609,11 @@ void tidss_disable_oldi(struct tidss_device *tidss, u32 hw_videoport)
  * number. For example 7:0
  */
 
 static u32 FLD_VAL(u32 val, u32 start, u32 end)
 {
-	return (val << end) & GENMASK(start, end);
+	return FIELD_PREP(GENMASK(start, end), val);
 }
 
 static u32 FLD_GET(u32 val, u32 start, u32 end)
 {
 	return (val & GENMASK(start, end)) >> end;

-- 
2.50.1