Revision c1230df7e19e0f27655c0eb9d966c7e03be7cc50 authored by Paulo Zanoni on 03 May 2012, 01:55:43 UTC, committed by Daniel Vetter on 03 May 2012, 13:55:38 UTC
While testing with the intel_infoframes tool on gen4, I see that when
video DIP is disabled, what we write to the DATA memory is not exactly
what we read back later.

This regression has been introduce in

commit 64a8fc0145a1d0fdc25fc9367c2e6c621955fb3b
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Thu Sep 22 11:16:00 2011 +0530

    drm/i915: fix ILK+ infoframe support

That commit was setting VIDEO_DIP_CTL to 0 when initializing, which
caused the problem.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43947
Cc: stable@kernel.org
Tested-by: Yang Guang <guang.a.yang@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
[danvet: Pimped commit message by using the usual commit citation
layout.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
1 parent 6200497
Raw File
sbuslib.h
/* sbuslib.h: SBUS fb helper library interfaces */
#ifndef _SBUSLIB_H
#define _SBUSLIB_H

struct sbus_mmap_map {
	unsigned long voff;
	unsigned long poff;
	unsigned long size;
};

#define SBUS_MMAP_FBSIZE(n) (-n)
#define SBUS_MMAP_EMPTY	0x80000000

extern void sbusfb_fill_var(struct fb_var_screeninfo *var,
			    struct device_node *dp, int bpp);
struct vm_area_struct;
extern int sbusfb_mmap_helper(struct sbus_mmap_map *map,
			      unsigned long physbase, unsigned long fbsize,
			      unsigned long iospace,
			      struct vm_area_struct *vma);
int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
			struct fb_info *info,
			int type, int fb_depth, unsigned long fb_size);
int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,
			unsigned long arg);

#endif /* _SBUSLIB_H */
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