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drv/i915: Pull display_clock_mode out of VBT table

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This tells the driver whether a CK505 clock source is available on
pre-PCH hardware. If so, it should be used as the non-SSC source,
leaving the internal clock for use as the SSC source.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Chris Wison <chris@chris-wilson.co.uk>
This commit is contained in:
Keith Packard
2011-09-26 14:24:14 -07:00
parent 562396b9e4
commit abd0686018
3 changed files with 8 additions and 3 deletions
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4
drivers/gpu/drm/i915/intel_bios.h
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@@ -120,7 +120,9 @@ struct bdb_general_features {
u8 ssc_freq:1;
u8 enable_lfp_on_override:1;
u8 disable_ssc_ddt:1;
u8 rsvd8:3; /* finish byte */
u8 rsvd7:1;
u8 display_clock_mode:1;
u8 rsvd8:1; /* finish byte */
/* bits 3 */
u8 disable_smooth_vision:1;