In almost all functions the base address register is written, so it
makes sense to have a helper function for this.

v3: Wrap line as pointed out by Emil Velikov
    <emil.l.velikov at gmail.com>.

Signed-off-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de>
---
 exynos/exynos_fimg2d.c | 88 +++++++++++++++++++-------------------------------
 1 file changed, 34 insertions(+), 54 deletions(-)

diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c
index 5314c36..17d7342 100644
--- a/exynos/exynos_fimg2d.c
+++ b/exynos/exynos_fimg2d.c
@@ -41,6 +41,11 @@

 #define MIN(a, b)      ((a) < (b) ? (a) : (b))

+enum g2d_base_addr_reg {
+       g2d_dst = 0,
+       g2d_src
+};
+
 static unsigned int g2d_get_scaling(unsigned int src, unsigned int dst)
 {
        /*
@@ -134,6 +139,26 @@ static int g2d_add_cmd(struct g2d_context *ctx, unsigned 
long cmd,
 }

 /*
+ * g2d_add_base_addr - helper function to set dst/src base address register.
+ *
+ * @ctx: a pointer to g2d_context structure.
+ * @img: a pointer to the dst/src g2d_image structure.
+ * @reg: the register that should be set.
+ */
+static void g2d_add_base_addr(struct g2d_context *ctx, struct g2d_image *img,
+                       enum g2d_base_addr_reg reg)
+{
+       const unsigned long cmd = (reg == g2d_dst) ?
+               DST_BASE_ADDR_REG : SRC_BASE_ADDR_REG;
+
+       if (img->buf_type == G2D_IMGBUF_USERPTR)
+               g2d_add_cmd(ctx, cmd | G2D_BUF_USERPTR,
+                               (unsigned long)&img->user_ptr[0]);
+       else
+               g2d_add_cmd(ctx, cmd, img->bo[0]);
+}
+
+/*
  * g2d_reset - reset fimg2d hardware.
  *
  * @ctx: a pointer to g2d_context structure.
@@ -278,13 +303,7 @@ g2d_solid_fill(struct g2d_context *ctx, struct g2d_image 
*img,

        g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL);
        g2d_add_cmd(ctx, DST_COLOR_MODE_REG, img->color_mode);
-
-       if (img->buf_type == G2D_IMGBUF_USERPTR)
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                               (unsigned long)&img->user_ptr[0]);
-       else
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG, img->bo[0]);
-
+       g2d_add_base_addr(ctx, img, g2d_dst);
        g2d_add_cmd(ctx, DST_STRIDE_REG, img->stride);

        if (x + w > img->width)
@@ -341,22 +360,12 @@ g2d_copy(struct g2d_context *ctx, struct g2d_image *src,

        g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR);
        g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode);
-       if (dst->buf_type == G2D_IMGBUF_USERPTR)
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                               (unsigned long)&dst->user_ptr[0]);
-       else
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]);
-
+       g2d_add_base_addr(ctx, dst, g2d_dst);
        g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride);

        g2d_add_cmd(ctx, SRC_SELECT_REG, G2D_SELECT_MODE_NORMAL);
        g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode);
-       if (src->buf_type == G2D_IMGBUF_USERPTR)
-               g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                               (unsigned long)&src->user_ptr[0]);
-       else
-               g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]);
-
+       g2d_add_base_addr(ctx, src, g2d_src);
        g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride);

        src_w = w;
@@ -444,12 +453,7 @@ g2d_copy_with_scale(struct g2d_context *ctx, struct 
g2d_image *src,

        g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR);
        g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode);
-       if (dst->buf_type == G2D_IMGBUF_USERPTR)
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                               (unsigned long)&dst->user_ptr[0]);
-       else
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]);
-
+       g2d_add_base_addr(ctx, dst, g2d_dst);
        g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride);

        g2d_add_cmd(ctx, SRC_SELECT_REG, G2D_SELECT_MODE_NORMAL);
@@ -459,11 +463,7 @@ g2d_copy_with_scale(struct g2d_context *ctx, struct 
g2d_image *src,
        if (src->repeat_mode == G2D_REPEAT_MODE_PAD)
                g2d_add_cmd(ctx, SRC_PAD_VALUE_REG, dst->color);

-       if (src->buf_type == G2D_IMGBUF_USERPTR)
-               g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                               (unsigned long)&src->user_ptr[0]);
-       else
-               g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]);
+       g2d_add_base_addr(ctx, src, g2d_src);

        g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride);

@@ -567,12 +567,7 @@ g2d_blend(struct g2d_context *ctx, struct g2d_image *src,
                g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL);

        g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode);
-       if (dst->buf_type == G2D_IMGBUF_USERPTR)
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                               (unsigned long)&dst->user_ptr[0]);
-       else
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]);
-
+       g2d_add_base_addr(ctx, dst, g2d_dst);
        g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride);

        g2d_add_cmd(ctx, SRC_SELECT_REG, src->select_mode);
@@ -580,12 +575,7 @@ g2d_blend(struct g2d_context *ctx, struct g2d_image *src,

        switch (src->select_mode) {
        case G2D_SELECT_MODE_NORMAL:
-               if (src->buf_type == G2D_IMGBUF_USERPTR)
-                       g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                                       (unsigned long)&src->user_ptr[0]);
-               else
-                       g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]);
-
+               g2d_add_base_addr(ctx, src, g2d_src);
                g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride);
                break;
        case G2D_SELECT_MODE_FGCOLOR:
@@ -690,12 +680,7 @@ g2d_scale_and_blend(struct g2d_context *ctx, struct 
g2d_image *src,
                g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL);

        g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode);
-       if (dst->buf_type == G2D_IMGBUF_USERPTR)
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                               (unsigned long)&dst->user_ptr[0]);
-       else
-               g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]);
-
+       g2d_add_base_addr(ctx, dst, g2d_dst);
        g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride);

        g2d_add_cmd(ctx, SRC_SELECT_REG, src->select_mode);
@@ -703,12 +688,7 @@ g2d_scale_and_blend(struct g2d_context *ctx, struct 
g2d_image *src,

        switch (src->select_mode) {
        case G2D_SELECT_MODE_NORMAL:
-               if (src->buf_type == G2D_IMGBUF_USERPTR)
-                       g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR,
-                                       (unsigned long)&src->user_ptr[0]);
-               else
-                       g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]);
-
+               g2d_add_base_addr(ctx, src, g2d_src);
                g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride);
                break;
        case G2D_SELECT_MODE_FGCOLOR:
-- 
2.0.5

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