staging: drm/omap: Disable DMM debugfs for OMAP3

OMAP3 does not contain a DMM/Tiler block.  As such, we should not
be exposing any DMM debugfs entries on OMAP3 platforms.

Added inline helper function to verify existence of DMM.

Signed-off-by: Andy Gross <andy.gross@ti.com>
Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Gross 2012-03-05 10:48:37 -06:00 committed by Greg Kroah-Hartman
parent f6b6036e56
commit 132390c79e
2 changed files with 13 additions and 8 deletions

View File

@ -112,12 +112,10 @@ int omap_debugfs_init(struct drm_minor *minor)
return ret;
}
/* TODO: only do this if has_dmm.. but this fxn gets called before
* dev_load() so we don't know this yet..
*/
ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
ARRAY_SIZE(omap_dmm_debugfs_list),
minor->debugfs_root, minor);
if (dmm_is_available())
ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
ARRAY_SIZE(omap_dmm_debugfs_list),
minor->debugfs_root, minor);
if (ret) {
dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
@ -131,8 +129,9 @@ void omap_debugfs_cleanup(struct drm_minor *minor)
{
drm_debugfs_remove_files(omap_debugfs_list,
ARRAY_SIZE(omap_debugfs_list), minor);
drm_debugfs_remove_files(omap_dmm_debugfs_list,
ARRAY_SIZE(omap_dmm_debugfs_list), minor);
if (dmm_is_available())
drm_debugfs_remove_files(omap_dmm_debugfs_list,
ARRAY_SIZE(omap_dmm_debugfs_list), minor);
}
#endif

View File

@ -16,6 +16,7 @@
#ifndef OMAP_DMM_TILER_H
#define OMAP_DMM_TILER_H
#include <plat/cpu.h>
#include "omap_drv.h"
#include "tcm.h"
@ -132,4 +133,9 @@ struct omap_dmm_platform_data {
int irq;
};
static inline int dmm_is_available(void)
{
return cpu_is_omap44xx();
}
#endif