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Commit d2830bdb authored by Keith Packard's avatar Keith Packard
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drm/i915: Document a few more BDB_GENERAL_FEATURES bits from PCH BIOS 



This includes whether an eDP panel is present, and whether that should
use SSC (and at what frequency)

Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
parent abd06860

drivers/gpu/drm/i915/intel_bios.h

+4 −1
Original line number Diff line number Diff line
@@ -135,7 +135,10 @@ struct bdb_general_features { 
        /* bits 5 */

	u8 int_crt_support:1;

	u8 int_tv_support:1;

	u8 rsvd11:6; /* finish byte */

	u8 int_efp_support:1;

	u8 dp_ssc_enb:1;	/* PCH attached eDP supports SSC */

	u8 dp_ssc_freq:1;	/* SSC freq for PCH attached eDP */

	u8 rsvd11:3; /* finish byte */

} __attribute__((packed));



/* pre-915 */