>From 53711271c3f22c8038f4961a9f9c2035b3e82d7f Mon Sep 17 00:00:00 2001
From: Sujeet Baranwal <s-baranwal@xxxxxx>
Date: Tue, 1 Jun 2010 19:29:24 +0530
Subject: [PATCH] OMAP: DSS2: Switching GFX from LCD to TV
1. Added a sysfs entry for setting overlay input_size
in order to switch the GFX pipeline from LCD to TV.
2. the following sysfx entry has been added
echo "width,height" > /sys/devices/platform/omapdss/overlay0/input_size
Signed-off-by: Srinivas Pulukuru <srinivas.pulukuru@xxxxxx>
Signed-off-by: Sujeet Baranwal <s-baranwal@xxxxxx>
Acked-by: Axel Castaneda <x0055901@xxxxxx>
Signed-off-by: Mukund Mittal <mmittal@xxxxxx>
Signed-off-by: Rajkumar N <rajkumar.nagarajan@xxxxxx>
---
drivers/video/omap2/dss/overlay.c | 33 +++++++++++++++++++++++++++++-
drivers/video/omap2/omapfb/omapfb-main.c | 7 ++++++
2 files changed, 39 insertions(+), 1 deletions(-)
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 8233658..4e9966f 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -117,6 +117,36 @@ static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
ovl->info.width, ovl->info.height);
}
+static ssize_t overlay_input_size_store(struct omap_overlay *ovl,
+ const char *buf, size_t size)
+{
+ int r;
+ char *last;
+ struct omap_overlay_info info;
+
+ ovl->get_overlay_info(ovl, &info);
+
+ info.width = simple_strtoul(buf, &last, 10);
+ ++last;
+ if (last - buf >= size)
+ return -EINVAL;
+
+ info.height = simple_strtoul(last, &last, 10);
+
+ r = ovl->set_overlay_info(ovl, &info);
+ if (r)
+ return r;
+
+ if (ovl->manager) {
+ r = ovl->manager->apply(ovl->manager);
+ if (r)
+ return r;
+ }
+
+ return size;
+}
+
+
static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", ovl->info.screen_width);
@@ -268,7 +298,8 @@ struct overlay_attribute {
static OVERLAY_ATTR(name, S_IRUGO, overlay_name_show, NULL);
static OVERLAY_ATTR(manager, S_IRUGO|S_IWUSR,
overlay_manager_show, overlay_manager_store);
-static OVERLAY_ATTR(input_size, S_IRUGO, overlay_input_size_show, NULL);
+static OVERLAY_ATTR(input_size, S_IRUGO|S_IWUSR,
+ overlay_input_size_show, overlay_input_size_store);
static OVERLAY_ATTR(screen_width, S_IRUGO, overlay_screen_width_show, NULL);
static OVERLAY_ATTR(position, S_IRUGO|S_IWUSR,
overlay_position_show, overlay_position_store);
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 4b4506d..73ecc9f 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -46,6 +46,8 @@ static char *def_vram;
static int def_vrfb;
static int def_rotate;
static int def_mirror;
+unsigned int omapfb_size;
+module_param_named(fb_size, omapfb_size, int, 0644);
#ifdef DEBUG
unsigned int omapfb_debug;
@@ -1444,6 +1446,11 @@ static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
}
}
+ if (omapfb_size) {
+ if (omapfb_size > size)
+ size = omapfb_size;
+ }
+
if (!size)
return 0;
--
1.5.4.3
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