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OMAPDSS: OMAPFB: check for matching memory size early

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If the size of memory region that is being set up is the same as before,
we don't have to do memory and layer busy checks.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Grazvydas Ignotas 2012-03-09 02:42:49 +02:00 committed by Tomi Valkeinen
parent 2c83af49ca
commit f3fb3bbc7f
1 changed files with 7 additions and 6 deletions
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5
drivers/video/omap2/omapfb/omapfb-ioctl.c
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@ -225,6 +225,9 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
down_write_nested(&rg->lock, rg->id);
atomic_inc(&rg->lock_count);
if (rg->size == size && rg->type == mi->type)
goto out;
if (atomic_read(&rg->map_count)) {
r = -EBUSY;
goto out;
@ -247,13 +250,11 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
}
}
if (rg->size != size || rg->type != mi->type) {
r = omapfb_realloc_fbmem(fbi, size, mi->type);
if (r) {
dev_err(fbdev->dev, "realloc fbmem failed\n");
goto out;
}
}
out:
atomic_dec(&rg->lock_count);