Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / gpu / drm / mgag200 / mgag200_mode.c

diff --git a/kernel/drivers/gpu/drm/mgag200/mgag200_mode.c b/kernel/drivers/gpu/drm/mgag200/mgag200_mode.c
index c99d3fe..e5bb40e 100644 (file)
--- 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;
 }