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Diffstat (limited to 'kernel/drivers/gpu/drm/mgag200')
-rw-r--r--kernel/drivers/gpu/drm/mgag200/mgag200_mode.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/drivers/gpu/drm/mgag200/mgag200_mode.c b/kernel/drivers/gpu/drm/mgag200/mgag200_mode.c
index c99d3fe12..e5bb40e58 100644
--- a/kernel/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/kernel/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -194,7 +194,7 @@ static int mga_g200se_set_plls(struct mga_device *mdev, long clock)
}
}
- fvv = pllreffreq * testn / testm;
+ fvv = pllreffreq * (n + 1) / (m + 1);
fvv = (fvv - 800000) / 50000;
if (fvv > 15)
@@ -214,6 +214,14 @@ static int mga_g200se_set_plls(struct mga_device *mdev, long clock)
WREG_DAC(MGA1064_PIX_PLLC_M, m);
WREG_DAC(MGA1064_PIX_PLLC_N, n);
WREG_DAC(MGA1064_PIX_PLLC_P, p);
+
+ if (mdev->unique_rev_id >= 0x04) {
+ WREG_DAC(0x1a, 0x09);
+ msleep(20);
+ WREG_DAC(0x1a, 0x01);
+
+ }
+
return 0;
}