diff options
Diffstat (limited to 'drivers/video/fbdev/controlfb.c')
| -rw-r--r-- | drivers/video/fbdev/controlfb.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c index 50fc52f34db0..5442318b21b6 100644 --- a/drivers/video/fbdev/controlfb.c +++ b/drivers/video/fbdev/controlfb.c @@ -48,12 +48,37 @@ #include <linux/nvram.h> #include <linux/adb.h> #include <linux/cuda.h> +#ifdef CONFIG_PPC_PMAC #include <asm/prom.h> #include <asm/btext.h> +#endif #include "macmodes.h" #include "controlfb.h" +#ifndef CONFIG_PPC_PMAC +#define invalid_vram_cache(addr) +#undef in_8 +#undef out_8 +#undef in_le32 +#undef out_le32 +#define in_8(addr) 0 +#define out_8(addr, val) +#define in_le32(addr) 0 +#define out_le32(addr, val) +#define pgprot_cached_wthru(prot) (prot) +#else +static void invalid_vram_cache(void __force *addr) +{ + eieio(); + dcbf(addr); + mb(); + eieio(); + dcbf(addr); + mb(); +} +#endif + struct fb_par_control { int vmode, cmode; int xres, yres; @@ -309,7 +334,7 @@ static int controlfb_mmap(struct fb_info *info, static int controlfb_blank(int blank_mode, struct fb_info *info) { - struct fb_info_control *p = + struct fb_info_control __maybe_unused *p = container_of(info, struct fb_info_control, info); unsigned ctrl; @@ -605,12 +630,7 @@ static void __init find_vram_size(struct fb_info_control *p) out_8(&p->frame_buffer[0x600000], 0xb3); out_8(&p->frame_buffer[0x600001], 0x71); - asm volatile("eieio; dcbf 0,%0" : : "r" (&p->frame_buffer[0x600000]) - : "memory" ); - mb(); - asm volatile("eieio; dcbi 0,%0" : : "r" (&p->frame_buffer[0x600000]) - : "memory" ); - mb(); + invalid_vram_cache(&p->frame_buffer[0x600000]); bank2 = (in_8(&p->frame_buffer[0x600000]) == 0xb3) && (in_8(&p->frame_buffer[0x600001]) == 0x71); @@ -624,12 +644,7 @@ static void __init find_vram_size(struct fb_info_control *p) out_8(&p->frame_buffer[0], 0x5a); out_8(&p->frame_buffer[1], 0xc7); - asm volatile("eieio; dcbf 0,%0" : : "r" (&p->frame_buffer[0]) - : "memory" ); - mb(); - asm volatile("eieio; dcbi 0,%0" : : "r" (&p->frame_buffer[0]) - : "memory" ); - mb(); + invalid_vram_cache(&p->frame_buffer[0]); bank1 = (in_8(&p->frame_buffer[0]) == 0x5a) && (in_8(&p->frame_buffer[1]) == 0xc7); |