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>
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@ -112,12 +112,10 @@ int omap_debugfs_init(struct drm_minor *minor)
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return ret;
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}
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/* TODO: only do this if has_dmm.. but this fxn gets called before
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* dev_load() so we don't know this yet..
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*/
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ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
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ARRAY_SIZE(omap_dmm_debugfs_list),
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minor->debugfs_root, minor);
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if (dmm_is_available())
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ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
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ARRAY_SIZE(omap_dmm_debugfs_list),
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minor->debugfs_root, minor);
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if (ret) {
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dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
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@ -131,8 +129,9 @@ void omap_debugfs_cleanup(struct drm_minor *minor)
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{
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drm_debugfs_remove_files(omap_debugfs_list,
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ARRAY_SIZE(omap_debugfs_list), minor);
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drm_debugfs_remove_files(omap_dmm_debugfs_list,
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ARRAY_SIZE(omap_dmm_debugfs_list), minor);
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if (dmm_is_available())
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drm_debugfs_remove_files(omap_dmm_debugfs_list,
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ARRAY_SIZE(omap_dmm_debugfs_list), minor);
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}
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#endif
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@ -16,6 +16,7 @@
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#ifndef OMAP_DMM_TILER_H
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#define OMAP_DMM_TILER_H
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#include <plat/cpu.h>
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#include "omap_drv.h"
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#include "tcm.h"
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@ -132,4 +133,9 @@ struct omap_dmm_platform_data {
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int irq;
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};
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static inline int dmm_is_available(void)
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{
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return cpu_is_omap44xx();
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}
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#endif
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