diff options
| author | Adam Jackson <ajax@redhat.com> | 2010-05-28 17:17:37 -0400 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-06-01 10:19:37 -0700 |
| commit | 9bc354998f8aa8a83b0cd430e8fcf2cbc3be7367 (patch) | |
| tree | 23ae978bf9926a6d653cf49fb7fcd54ce2542504 /drivers | |
| parent | a1786bd270b08834a735e06c3d5430eeb0baf017 (diff) | |
| download | lwn-9bc354998f8aa8a83b0cd430e8fcf2cbc3be7367.tar.gz lwn-9bc354998f8aa8a83b0cd430e8fcf2cbc3be7367.zip | |
drm/i915: Honor sync polarity from VBT panel timing descriptors
I'm actually kind of shocked that it works at all otherwise.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 4c748d8f73d6..96f75d7f6633 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -95,6 +95,16 @@ fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode, panel_fixed_mode->clock = dvo_timing->clock * 10; panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED; + if (dvo_timing->hsync_positive) + panel_fixed_mode->flags |= DRM_MODE_FLAG_PHSYNC; + else + panel_fixed_mode->flags |= DRM_MODE_FLAG_NHSYNC; + + if (dvo_timing->vsync_positive) + panel_fixed_mode->flags |= DRM_MODE_FLAG_PVSYNC; + else + panel_fixed_mode->flags |= DRM_MODE_FLAG_NVSYNC; + /* Some VBTs have bogus h/vtotal values */ if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal) panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1; |