mirror of https://gitee.com/openkylin/linux.git
063c886197
Spec describe all values in MHz. We handle our clocks in KHz. This includes the best_dco_centrality that was forgot in the same unity as spec. Consequently we couldn't get a good divider for high frequenies. Hence HDMI 2.0 wasn't working. Spec tells 999999 for initial best_dco_centrality meaning the max value in MHz. Since we convert dco from MHz to KHz we also need to convert this initial best_doc_centrality to 999999000 or 999999999 or even better, to the max that its variable allow. This patch also replaces the use of "* KHz(1)" with the values directly on KHz to avoid future confusion. v2: Use U32_MAX instead of random 99999 as spec tells. (Ville). Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Shashank Sharma <shashank.sharma@intel.com> Cc: Mika Kahola <mika.kahola@intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: James Ausmus <james.ausmus@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171114234223.10600-1-rodrigo.vivi@intel.com |
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