On Tue, Sep 10, 2013 at 12:38:24PM +0300, Ville Syrjälä wrote: > 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_peter...@t-online.de> > > Cc: Knut Petersen <knut_peter...@t-online.de> > > References: > > http://www.gossamer-threads.com/lists/linux/kernel/1778688?do=post_view_threaded > > Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch> > > --- > > 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.
... and we seem to be missing a drm_mode_set_crtcinfo() call too. > > > } > > > > static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo) > > -- > > 1.8.4.rc3 > > > > _______________________________________________ > > Intel-gfx mailing list > > intel-...@lists.freedesktop.org > > http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > -- > Ville Syrjälä > Intel OTC -- Ville Syrjälä Intel OTC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
