OMAP: DSS2: OMAPFB: Refactor overlay address calculations
Split the overlay address calculations into their own function.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 4b4506d..2ac20d2 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -822,6 +822,40 @@
return offset;
}
+static void omapfb_calc_addr(const struct omapfb_info *ofbi,
+ const struct fb_var_screeninfo *var,
+ const struct fb_fix_screeninfo *fix,
+ int rotation, u32 *paddr, void __iomem **vaddr)
+{
+ u32 data_start_p;
+ void __iomem *data_start_v;
+ int offset;
+
+ if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+ data_start_p = omapfb_get_region_rot_paddr(ofbi, rotation);
+ data_start_v = NULL;
+ } else {
+ data_start_p = omapfb_get_region_paddr(ofbi);
+ data_start_v = omapfb_get_region_vaddr(ofbi);
+ }
+
+ if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+ offset = calc_rotation_offset_vrfb(var, fix, rotation);
+ else
+ offset = calc_rotation_offset_dma(var, fix, rotation);
+
+ data_start_p += offset;
+ data_start_v += offset;
+
+ if (offset)
+ DBG("offset %d, %d = %d\n",
+ var->xoffset, var->yoffset, offset);
+
+ DBG("paddr %x, vaddr %p\n", data_start_p, data_start_v);
+
+ *paddr = data_start_p;
+ *vaddr = data_start_v;
+}
/* setup overlay according to the fb */
static int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
@@ -832,9 +866,8 @@
struct fb_var_screeninfo *var = &fbi->var;
struct fb_fix_screeninfo *fix = &fbi->fix;
enum omap_color_mode mode = 0;
- int offset;
- u32 data_start_p;
- void __iomem *data_start_v;
+ u32 data_start_p = 0;
+ void __iomem *data_start_v = NULL;
struct omap_overlay_info info;
int xres, yres;
int screen_width;
@@ -861,28 +894,8 @@
yres = var->yres;
}
-
- if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
- data_start_p = omapfb_get_region_rot_paddr(ofbi, rotation);
- data_start_v = NULL;
- } else {
- data_start_p = omapfb_get_region_paddr(ofbi);
- data_start_v = omapfb_get_region_vaddr(ofbi);
- }
-
- if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
- offset = calc_rotation_offset_vrfb(var, fix, rotation);
- else
- offset = calc_rotation_offset_dma(var, fix, rotation);
-
- data_start_p += offset;
- data_start_v += offset;
-
- if (offset)
- DBG("offset %d, %d = %d\n",
- var->xoffset, var->yoffset, offset);
-
- DBG("paddr %x, vaddr %p\n", data_start_p, data_start_v);
+ omapfb_calc_addr(ofbi, var, fix, rotation,
+ &data_start_p, &data_start_v);
r = fb_mode_to_dss_mode(var, &mode);
if (r) {