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authorHong Liu <hong.liu@intel.com>2008-06-04 16:58:05 +0800
committerZhenyu Wang <zhenyu.z.wang@intel.com>2008-06-04 16:58:05 +0800
commitbeb72ae5aa053303f5cc419e9c9d7c6db964f160 (patch)
tree5f21d4fc2e979e8bd5f5512d76da93d26fcd38c7
parentc7fee208fd46e143965ea173984d284e1eec2a9b (diff)
Set SDVO sync polarity to default on 965
Fix fd.o bug 15766
-rw-r--r--src/i810_reg.h4
-rw-r--r--src/i830_sdvo.c4
2 files changed, 7 insertions, 1 deletions
diff --git a/src/i810_reg.h b/src/i810_reg.h
index 9da258a7..e0b0c272 100644
--- a/src/i810_reg.h
+++ b/src/i810_reg.h
@@ -1252,6 +1252,10 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define SDVO_CLOCK_OUTPUT_INVERT (1 << 18)
#define SDVOC_GANG_MODE (1 << 16)
#define SDVO_BORDER_ENABLE (1 << 7)
+/** new with 965, default is to be set */
+#define SDVO_VSYNC_ACTIVE_HIGH (1 << 4)
+#define SDVO_HSYNC_ACTIVE_HIGH (1 << 3)
+/** 915/945 only, read-only bit */
#define SDVOB_PCIE_CONCURRENCY (1 << 3)
#define SDVO_DETECTED (1 << 2)
/* Bits to be preserved when writing */
diff --git a/src/i830_sdvo.c b/src/i830_sdvo.c
index 23791274..331059bf 100644
--- a/src/i830_sdvo.c
+++ b/src/i830_sdvo.c
@@ -873,7 +873,9 @@ i830_sdvo_mode_set(xf86OutputPtr output, DisplayModePtr mode,
/* Set the SDVO control regs. */
if (IS_I965G(pI830)) {
- sdvox = SDVO_BORDER_ENABLE;
+ sdvox = SDVO_BORDER_ENABLE |
+ SDVO_VSYNC_ACTIVE_HIGH |
+ SDVO_HSYNC_ACTIVE_HIGH;
} else {
sdvox = INREG(dev_priv->output_device);
switch (dev_priv->output_device) {