The OVR_REG_FLD_MOD 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 OVR_REG_FLD_MOD 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 | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c 
b/drivers/gpu/drm/tidss/tidss_dispc.c
index 
c5cad1ddcccfbf1d0b6fb53773bb3aff428ef493..99d3a84a5b40e1e791300199d6b3da9a12d11f80
 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -645,17 +645,17 @@ void tidss_disable_oldi(struct tidss_device *tidss, u32 
hw_videoport)
                u32 _reg = dispc_vp_read(_dispc, _vp, _idx);            \
                FIELD_MODIFY((mask), &_reg, (val));                     \
                dispc_vp_write(_dispc, _vp, _idx, _reg);                \
        })
 
-#define OVR_REG_FLD_MOD(dispc, ovr, idx, val, start, end)              \
+#define OVR_REG_FLD_MOD(dispc, ovr, idx, val, mask)                    \
        ({                                                              \
                struct dispc_device *_dispc = (dispc);                  \
                u32 _ovr = (ovr);                                       \
                u32 _idx = (idx);                                       \
                u32 _reg = dispc_ovr_read(_dispc, _ovr, _idx);          \
-               FIELD_MODIFY(GENMASK((start), (end)), &_reg, (val));    \
+               FIELD_MODIFY((mask), &_reg, (val));                     \
                dispc_ovr_write(_dispc, _ovr, _idx, _reg);              \
        })
 
 static dispc_irq_t dispc_vp_irq_from_raw(u32 stat, u32 hw_videoport)
 {
@@ -1483,29 +1483,29 @@ static void dispc_am65x_ovr_set_plane(struct 
dispc_device *dispc,
                                      u32 x, u32 y, u32 layer)
 {
        u32 hw_id = dispc->feat->vid_info[hw_plane].hw_id;
 
        OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer),
-                       hw_id, 4, 1);
-       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer),
-                       x, 17, 6);
-       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer),
-                       y, 30, 19);
+                       hw_id, GENMASK(4, 1));
+       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), x,
+                       GENMASK(17, 6));
+       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), y,
+                       GENMASK(30, 19));
 }
 
 static void dispc_j721e_ovr_set_plane(struct dispc_device *dispc,
                                      u32 hw_plane, u32 hw_videoport,
                                      u32 x, u32 y, u32 layer)
 {
        u32 hw_id = dispc->feat->vid_info[hw_plane].hw_id;
 
        OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer),
-                       hw_id, 4, 1);
-       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer),
-                       x, 13, 0);
-       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer),
-                       y, 29, 16);
+                       hw_id, GENMASK(4, 1));
+       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer), x,
+                       GENMASK(13, 0));
+       OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer), y,
+                       GENMASK(29, 16));
 }
 
 void dispc_ovr_set_plane(struct dispc_device *dispc, u32 hw_plane,
                         u32 hw_videoport, u32 x, u32 y, u32 layer)
 {
@@ -1536,11 +1536,11 @@ void dispc_ovr_enable_layer(struct dispc_device *dispc,
 {
        if (dispc->feat->subrev == DISPC_K2G)
                return;
 
        OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer),
-                       !!enable, 0, 0);
+                       !!enable, GENMASK(0, 0));
 }
 
 /* CSC */
 enum csc_ctm {
        CSC_RR, CSC_RG, CSC_RB,

-- 
2.50.1

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