348a00341e
If we try to commit the display list while an update is pending, we have missed our opportunity. The display list manager will hold the commit until the next interrupt. In this event, we skip the pipeline completion callback handler so that the pipeline will not mistakenly report frame completion to the user. Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/*
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* vsp1_dl.h -- R-Car VSP1 Display List
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*
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* Copyright (C) 2015 Renesas Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __VSP1_DL_H__
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#define __VSP1_DL_H__
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#include <linux/types.h>
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struct vsp1_device;
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struct vsp1_dl_fragment;
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struct vsp1_dl_list;
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struct vsp1_dl_manager;
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void vsp1_dlm_setup(struct vsp1_device *vsp1);
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struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1,
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unsigned int index,
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unsigned int prealloc);
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void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm);
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void vsp1_dlm_reset(struct vsp1_dl_manager *dlm);
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void vsp1_dlm_irq_display_start(struct vsp1_dl_manager *dlm);
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bool vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm);
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struct vsp1_dl_list *vsp1_dl_list_get(struct vsp1_dl_manager *dlm);
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void vsp1_dl_list_put(struct vsp1_dl_list *dl);
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void vsp1_dl_list_write(struct vsp1_dl_list *dl, u32 reg, u32 data);
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void vsp1_dl_list_commit(struct vsp1_dl_list *dl);
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struct vsp1_dl_body *vsp1_dl_fragment_alloc(struct vsp1_device *vsp1,
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unsigned int num_entries);
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void vsp1_dl_fragment_free(struct vsp1_dl_body *dlb);
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void vsp1_dl_fragment_write(struct vsp1_dl_body *dlb, u32 reg, u32 data);
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int vsp1_dl_list_add_fragment(struct vsp1_dl_list *dl,
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struct vsp1_dl_body *dlb);
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int vsp1_dl_list_add_chain(struct vsp1_dl_list *head, struct vsp1_dl_list *dl);
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#endif /* __VSP1_DL_H__ */
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