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    Subject[PATCH 4/9] drm/i915: Document a few more BDB_GENERAL_FEATURES bits from PCH BIOS
    Date
    This includes whether an eDP panel is present, and whether that should
    use SSC (and at what frequency)

    Signed-off-by: Keith Packard <keithp@keithp.com>
    ---
    drivers/gpu/drm/i915/intel_bios.h | 5 ++++-
    1 files changed, 4 insertions(+), 1 deletions(-)

    diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
    index 02b1b624..72fb500 100644
    --- a/drivers/gpu/drm/i915/intel_bios.h
    +++ b/drivers/gpu/drm/i915/intel_bios.h
    @@ -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 */
    --
    1.7.6.3


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