sync modesetting code with X.org

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index 5a621df5bf02..16c9c192b4be 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -1359,6 +1359,10 @@ intelfbhw_program_mode(struct intelfb_info *dinfo,
         /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */
         mdelay(20);
 
+        OUTREG(DVOB, INREG(DVOB) & ~PORT_ENABLE);
+        OUTREG(DVOC, INREG(DVOC) & ~PORT_ENABLE);
+        OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE);
+
         /* Disable Sync */
         tmp = INREG(ADPA);
         tmp &= ~ADPA_DPMS_CONTROL_MASK;
@@ -1374,14 +1378,11 @@ intelfbhw_program_mode(struct intelfb_info *dinfo,
         OUTREG(dpll_reg, tmp);
 
         /* Set PLL parameters */
-        OUTREG(dpll_reg, *dpll & ~DPLL_VCO_ENABLE);
         OUTREG(fp0_reg, *fp0);
         OUTREG(fp1_reg, *fp1);
 
         /* Enable PLL */
-        tmp = INREG(dpll_reg);
-        tmp |= DPLL_VCO_ENABLE;
-        OUTREG(dpll_reg, tmp);
+        OUTREG(dpll_reg, *dpll);
 
         /* Set DVOs B/C */
         OUTREG(DVOB, hw->dvob);