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drm/i915/sdvo: Fully translate sync flags in the dtd->mode conversion

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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@t-online.de>
Cc: Knut Petersen <Knut_Petersen@t-online.de>
References: http://www.gossamer-threads.com/lists/linux/kernel/1778688?do=post_view_threaded
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-09-10 10:02:48 +02:00
parent 7e7cb34f62
commit 3cea210f2c
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_sdvo.c
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@ -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;
}
static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)