[PATCH] atyfb: Improve power management
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>
diff --git a/drivers/video/aty/atyfb.h b/drivers/video/aty/atyfb.h
index c9b35c6..f72faff 100644
--- a/drivers/video/aty/atyfb.h
+++ b/drivers/video/aty/atyfb.h
@@ -185,6 +185,7 @@
int mtrr_aper;
int mtrr_reg;
#endif
+ u32 mem_cntl;
};
/*
@@ -314,6 +315,7 @@
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 */