drm: Add support for alternate clocks of 4k modes
drm: Add support for alternate clocks of 4k modes

v2: Fix hmdi typo (Simon Farnsworth, Ville Syrjälä)

Suggested-by: Ville Syrjälä <cd6e8d405ca90be3a03d5427c5b24fbd2d68dcc4@linux.intel.com>
Signed-off-by: Damien Lespiau <64bd3cb94f359c1a3ce68dae5e26b40578526277@intel.com>
Reviewed-by: Ville Syrjälä <cd6e8d405ca90be3a03d5427c5b24fbd2d68dcc4@linux.intel.com>
Reviewed-by: Simon Farnsworth <20871d6e2bc9386118bca8a660f80e632ec37194@onelan.co.uk>
Reviewed-by: Thierry Reding <3055038c414aef68bf32c33b8118623e7554e0f2@nvidia.com>
Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs