Some Village Tronic Picasso IV graphics cards identify as a 64 MiB Zorro device in Zorro III mode.
While the total graphics memory size is the same on such cards, the offset of the graphics memory differs. Add a quirk to handle this. Based on src/sys/arch/amiga/dev/grf_cl.c from NetBSD. Signed-off-by: Geert Uytterhoeven <[email protected]> -- Untested, due to lack of hardware --- drivers/video/cirrusfb.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 816433f..6ea505c 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -314,7 +314,7 @@ static const struct zorrocl zcl_picasso4_z3 __devinitconst = { .type = BT_PICASSO4, .regoffset = 0x00600000, .ramsize = 4 * MB_, - .ramoffset = 0x01000000, + .ramoffset = 0x01000000, /* 0x02000000 for 64 MiB boards */ }; static const struct zorrocl zcl_picasso4_z2 __devinitconst = { @@ -2259,6 +2259,10 @@ static int __devinit cirrusfb_zorro_register(struct zorro_dev *z, ramsize = zcl->ramsize; if (ramsize) { rambase = zorro_resource_start(z) + zcl->ramoffset; + if (zorro_resource_len(z) == 64 * MB_) { + /* Quirk for 64 MiB Picasso IV */ + rambase += zcl->ramoffset; + } } else { struct zorro_dev *ram = zorro_find_device(zcl->ramid, NULL); if (!ram || !zorro_resource_len(ram)) { -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
