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[PATCH] atyfb: Improve power management

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Some register were only set in aty_init() which is not called on resume.  I
added the aty_resume_chip() function to reset those registers on resume.

Susped-to-ram now works on a HP Omnibook 6000 with acpi_sleep=s3_bios.

Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ville Syrjala
2006-12-08 02:40:45 -08:00
committed by Linus Torvalds
parent 4ec3fd71e4
commit efc08a75d3
3 changed files with 68 additions and 34 deletions
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2
drivers/video/aty/atyfb.h
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@ -185,6 +185,7 @@ struct atyfb_par {
int mtrr_aper;
int mtrr_reg;
#endif
u32 mem_cntl;
};
/*
@ -314,6 +315,7 @@ struct aty_pll_ops {
void (*set_pll) (const struct fb_info * info, const union aty_pll * pll);
void (*get_pll) (const struct fb_info *info, union aty_pll * pll);
int (*init_pll) (const struct fb_info * info, union aty_pll * pll);
void (*resume_pll)(const struct fb_info *info, union aty_pll *pll);
};
extern const struct aty_pll_ops aty_pll_ati18818_1; /* ATI 18818 */