The VID_REG_GET function takes the start and end bits as parameter and
will generate a mask out of them.

This makes it difficult to share the masks between callers, since we now
need two arguments and to keep them consistent.

Let's change VID_REG_GET to take the mask as an argument instead, and
let the caller create the mask. Eventually, this mask will be moved to a
define.

Signed-off-by: Maxime Ripard <mrip...@kernel.org>
---
 drivers/gpu/drm/tidss/tidss_dispc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c 
b/drivers/gpu/drm/tidss/tidss_dispc.c
index 
82b038285acc245f86573a6a854da37248c92407..8e2c8ecb9f18c71cb532f1f5cea2bc00a0262ad3
 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -604,13 +604,12 @@ void tidss_disable_oldi(struct tidss_device *tidss, u32 
hw_videoport)
                u32 _reg = dispc_read(_dispc, _idx);                    \
                FIELD_MODIFY((mask), &_reg, (val));                     \
                dispc_write(_dispc, _idx, _reg);                        \
        })
 
-#define VID_REG_GET(dispc, hw_plane, idx, start, end)                  \
-       ((u32)FIELD_GET(GENMASK((start), (end)),                        \
-                       dispc_vid_read((dispc), (hw_plane), (idx))))
+#define VID_REG_GET(dispc, hw_plane, idx, mask)                                
\
+       ((u32)FIELD_GET((mask), dispc_vid_read((dispc), (hw_plane), (idx))))
 
 #define VID_REG_FLD_MOD(dispc, hw_plane, idx, val, start, end)         \
        ({                                                              \
                struct dispc_device *_dispc = (dispc);                  \
                u32 _hw_plane = (hw_plane);                             \
@@ -2292,11 +2291,12 @@ void dispc_plane_enable(struct dispc_device *dispc, u32 
hw_plane, bool enable)
        VID_REG_FLD_MOD(dispc, hw_plane, DISPC_VID_ATTRIBUTES, !!enable, 0, 0);
 }
 
 static u32 dispc_vid_get_fifo_size(struct dispc_device *dispc, u32 hw_plane)
 {
-       return VID_REG_GET(dispc, hw_plane, DISPC_VID_BUF_SIZE_STATUS, 15, 0);
+       return VID_REG_GET(dispc, hw_plane, DISPC_VID_BUF_SIZE_STATUS,
+                          GENMASK(15, 0));
 }
 
 static void dispc_vid_set_mflag_threshold(struct dispc_device *dispc,
                                          u32 hw_plane, u32 low, u32 high)
 {

-- 
2.50.1

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