diff options
| author | Eric Anholt <eric@anholt.net> | 2006-11-10 14:40:40 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2006-11-10 14:40:44 -0800 |
| commit | d51555fba4e57c059fd184c1e54822d7e5b62a2f (patch) | |
| tree | 4bd100ec097549a5d0de15133f36c8e8a9026634 | |
| parent | dd1dcfab0ab0f2d0c25077fa663209e2762f26e8 (diff) | |
Fix clock range for single-channel LVDS.
| -rw-r--r-- | src/i830_display.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/i830_display.c b/src/i830_display.c index 36036603..f661c4ed 100644 --- a/src/i830_display.c +++ b/src/i830_display.c @@ -189,7 +189,10 @@ i830FindBestPLL(ScrnInfoPtr pScrn, int pipe, int target, int refclk, min_p1 = 1; max_p1 = 8; if (i830PipeHasType (pScrn, pipe, I830_OUTPUT_LVDS)) { - if (target < 200000) /* XXX: Is this the right cutoff? */ + /* The single-channel range is 25-112Mhz, and dual-channel + * is 80-224Mhz. Prefer single channel as much as possible. + */ + if (target < 112000) p2 = 14; else p2 = 7; |