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EDID detailed timings have a resolution of 10kHz for the pixel clock, so they can't represent certain CEA/HDMI modes accurately. If we see a mode coming in via detailed timings which otherwise matches one of the CEA/HDMI modes except the clock is just a bit off, let's assume that the intention was for that mode to be one of the CEA/HDMI modes and go ahead and fix up the clock to match the CEA/HDMI spec exactly (well, as close as we can get with the 1 kHz resolution we use). This should help code that's looking for an exact clock match (eg. i915 audio N/CTS setup). Cc: Adam Jackson <ajax@redhat.com> Cc: Clint Taylor <clinton.a.taylor@intel.com> Cc: Libin Yang <libin.yang@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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