On Tue, Sep 10, 2013 at 10:02:48AM +0200, Daniel Vetter wrote: > Instead of just a flag bit for each of the positive/negative sync > modes drm actually uses a separate flag for each ... This upsets the > modeset checker since the adjusted mode filled out at modeset time > doesn't match the one reconstructed at check time (since the > ->get_config callback already gets this right). > > Reported-by: Knut Petersen <Knut_Petersen@xxxxxxxxxxx> > Cc: Knut Petersen <Knut_Petersen@xxxxxxxxxxx> > References: http://www.gossamer-threads.com/lists/linux/kernel/1778688?do=post_view_threaded > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > --- > drivers/gpu/drm/i915/intel_sdvo.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c > index 85037b9..5033c74 100644 > --- a/drivers/gpu/drm/i915/intel_sdvo.c > +++ b/drivers/gpu/drm/i915/intel_sdvo.c > @@ -866,8 +866,12 @@ static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode, > mode->flags |= DRM_MODE_FLAG_INTERLACE; > if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE) > mode->flags |= DRM_MODE_FLAG_PHSYNC; > + else > + mode->flags |= DRM_MODE_FLAG_NHSYNC; > if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE) > mode->flags |= DRM_MODE_FLAG_PVSYNC; > + else > + mode->flags |= DRM_MODE_FLAG_NVSYNC; Actually it seems we don't recreate the mode from scratch here, so we should also clear the negative sync flags (and the interlace flag too) before we set them. > } > > static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo) > -- > 1.8.4.rc3 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
