diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0044-DSS2-add-sysfs-entry-for-seting-the-rotate-type.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0044-DSS2-add-sysfs-entry-for-seting-the-rotate-type.patch | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0044-DSS2-add-sysfs-entry-for-seting-the-rotate-type.patch b/recipes/linux/linux-omap-pm/dss2/0044-DSS2-add-sysfs-entry-for-seting-the-rotate-type.patch deleted file mode 100644 index 19d24c3a07..0000000000 --- a/recipes/linux/linux-omap-pm/dss2/0044-DSS2-add-sysfs-entry-for-seting-the-rotate-type.patch +++ /dev/null @@ -1,76 +0,0 @@ -From a9b3500bd14609750a2337e866e1df62627c1bac Mon Sep 17 00:00:00 2001 -From: Imre Deak <imre.deak@nokia.com> -Date: Mon, 20 Apr 2009 14:55:33 +0200 -Subject: [PATCH 44/69] DSS2: add sysfs entry for seting the rotate type - -This can help in utilizing VRAM memory better. Since with VRFB rotation -we waste a lot of physical memory due to the VRFB HW design, provide the -possibility to turn it off and free the extra memory for the use by other -planes for example. ---- - drivers/video/omap2/omapfb/omapfb-sysfs.c | 42 ++++++++++++++++++++++++++++- - 1 files changed, 41 insertions(+), 1 deletions(-) - -diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c -index 2c88718..4e3da42 100644 ---- a/drivers/video/omap2/omapfb/omapfb-sysfs.c -+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c -@@ -43,6 +43,46 @@ static ssize_t show_rotate_type(struct device *dev, - return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->rotation_type); - } - -+static ssize_t store_rotate_type(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct fb_info *fbi = dev_get_drvdata(dev); -+ struct omapfb_info *ofbi = FB2OFB(fbi); -+ struct omapfb2_device *fbdev = ofbi->fbdev; -+ enum omap_dss_rotation_type rot_type; -+ int r; -+ -+ rot_type = simple_strtoul(buf, NULL, 0); -+ -+ if (rot_type != OMAP_DSS_ROT_DMA && rot_type != OMAP_DSS_ROT_VRFB) -+ return -EINVAL; -+ -+ omapfb_lock(fbdev); -+ -+ r = 0; -+ if (rot_type == ofbi->rotation_type) -+ goto out; -+ -+ r = -EBUSY; -+ if (ofbi->region.size) -+ goto out; -+ -+ ofbi->rotation_type = rot_type; -+ -+ /* -+ * Since the VRAM for this FB is not allocated at the moment we don't need to -+ * do any further parameter checking at this point. -+ */ -+ -+ r = count; -+out: -+ omapfb_unlock(fbdev); -+ -+ return r; -+} -+ -+ - static ssize_t show_mirror(struct device *dev, - struct device_attribute *attr, char *buf) - { -@@ -327,7 +367,7 @@ static ssize_t show_virt(struct device *dev, - } - - static struct device_attribute omapfb_attrs[] = { -- __ATTR(rotate_type, S_IRUGO, show_rotate_type, NULL), -+ __ATTR(rotate_type, S_IRUGO | S_IWUSR, show_rotate_type, store_rotate_type), - __ATTR(mirror, S_IRUGO | S_IWUSR, show_mirror, store_mirror), - __ATTR(size, S_IRUGO | S_IWUSR, show_size, store_size), - __ATTR(overlays, S_IRUGO | S_IWUSR, show_overlays, store_overlays), --- -1.6.2.4 - |