X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fmgag200%2Fmgag200_mode.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fmgag200%2Fmgag200_mode.c;h=e5bb40e58020931af0f15257a4d2b9fe755f9182;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=c99d3fe12881de75ac9344030b68fcead8fe6a09;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

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;
 }