From 5e8700bf6db24ccf6814c765519d8986f1c16357 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Sun, 13 Feb 2011 22:11:26 +0000 Subject: [PATCH] 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 Cc: Thomas Winischhofer Signed-off-by: Paul Mundt --- drivers/video/sis/sis_main.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index f0c48e84bcd..de035678837 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) { -- 2.41.0