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| author |   Aaro Koskinen <aaro.koskinen@iki.fi> | 2011-02-13 22:11:26 +0000 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2011-03-22 15:20:33 +0900 |
| commit | 5e8700bf6db24ccf6814c765519d8986f1c16357 (patch) | |
| tree | ed9406ae1693566ede33d4e45d21889d5b16956b /drivers/video/sis | |
| parent | sisfb: add subroutine for detecting XGI Z9 (diff) | |
| download | linux-dev-5e8700bf6db24ccf6814c765519d8986f1c16357.tar.xz linux-dev-5e8700bf6db24ccf6814c765519d8986f1c16357.zip | |
sisfb: add RAM type detection for XGI Z9
Detect the XGI Z9 RAM type as "documented" by the XGI's xgifb driver.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/sis')
| -rw-r--r-- | drivers/video/sis/sis_main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index f0c48e84bcdb..de0356788375 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -4955,7 +4955,13 @@ sisfb_post_xgi_ramtype(struct sis_video_info *ivideo) v1 = bios[0x1d2]; } if (!(ramtype & 0x80)) { - if (ivideo->chip == XGI_20) { + if (sisfb_xgi_is21(ivideo)) { + SiS_SetRegAND(SISCR, 0xb4, 0xfd); /* GPIO control */ + SiS_SetRegOR(SISCR, 0x4a, 0x80); /* GPIOH EN */ + reg = SiS_GetReg(SISCR, 0x48); + SiS_SetRegOR(SISCR, 0xb4, 0x02); + ramtype = reg & 0x01; /* GPIOH */ + } else if (ivideo->chip == XGI_20) { SiS_SetReg(SISCR, 0x97, v1); reg = SiS_GetReg(SISCR, 0x97); if (reg & 0x10) { |