[Intel-gfx] [PATCH 0/3 V2] drm/i915: enable sdvo lvds scaling function

[Ma Ling]

Currently we implemented basic sdvo lvds function,
But except for sdvo lvds fixed mode, we can not switch
to other modes, otherwise display get black. The patch
intends to work for all modes whose HDisplay and VDisplay
are lower than fixed mode.

[PATCH 1/3 V2] drm/i915: duplicate fixed mode for sdvo lvds
[PATCH 2/3 V2] drm/i915: valid all possible modes to be set
[PATCH 3/3 V2] drm/i915: just mode line to fit our requirement
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