OMAPDSS: OMAPFB : Add support for VRAM size read

Add support to read vram size set by board file.
This value is then used in to create framebuffers in
vram. If the board file doesnt set the memory region
then vram which can fit in only 1 flip chain buffer
is allocated.

Change-Id: I5c53af56eafe70ae1fba0212f2a17e66e4381c88
Signed-off-by: Dandawate Saket <dsaket@ti.com>

diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index ca585ef37f2528d36d0534200a911db95b07baff..c6214e5d18c9a3d78d2dde56bba7ad4fb2617f50 100644 (file)
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -1566,6 +1566,23 @@ static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev)
                memset(&vram_paddrs, 0, sizeof(vram_paddrs));
        }
 
+       if (fbdev->dev->platform_data) {
+               struct omapfb_platform_data *opd;
+               opd = fbdev->dev->platform_data;
+               for (i = 0; i < opd->mem_desc.region_cnt; ++i) {
+                       if (!vram_sizes[i]) {
+                               unsigned long size;
+                               unsigned long paddr;
+
+                               size = opd->mem_desc.region[i].size;
+                               paddr = opd->mem_desc.region[i].paddr;
+
+                               vram_sizes[i] = size;
+                               vram_paddrs[i] = paddr;
+                       }
+               }
+       }
+
        for (i = 0; i < fbdev->num_fbs; i++) {
                /* allocate memory automatically only for fb0, or if
                 * excplicitly defined with vram or plat data option */