diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-06-04 10:34:34 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-06-04 10:36:58 +1000 |
| commit | 40229b6ad539cebad5ebe8ca373796ca2422efdb (patch) | |
| tree | 2df95422abe1999e3db2ab06c45aba2fbf7e2e06 /linux-core | |
| parent | 3ed17803d826b10f8f94d09acf12877e9738823c (diff) | |
drm: make mode comparison more betterer.
This compares the clocks after converting to fb pico timings so we
get the same answer if the X and fb modes are the same.
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_modes.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/linux-core/drm_modes.c b/linux-core/drm_modes.c index bf0d85ee..3ed427fb 100644 --- a/linux-core/drm_modes.c +++ b/linux-core/drm_modes.c @@ -276,8 +276,15 @@ EXPORT_SYMBOL(drm_mode_duplicate); */ bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2) { - if (mode1->clock == mode2->clock && - mode1->hdisplay == mode2->hdisplay && + /* do clock check convert to PICOS so fb modes get matched + * the same */ + if (mode1->clock && mode2->clock) { + if (KHZ2PICOS(mode1->clock) != KHZ2PICOS(mode2->clock)) + return false; + } else if (mode1->clock != mode2->clock) + return false; + + if (mode1->hdisplay == mode2->hdisplay && mode1->hsync_start == mode2->hsync_start && mode1->hsync_end == mode2->hsync_end && mode1->htotal == mode2->htotal && |