From e7934e0a0e25ac7bbfe061e26cf2cb3b95414d01 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Mon, 26 Sep 2011 14:25:57 -0700 Subject: [PATCH 4/9] 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: Keith Packard (cherry picked from commit d2830bdb84fac6e84e45ffe1a4c9bec762295d7d) BugLink: http://bugs.launchpad.net/bugs/614238 Signed-off-by: Seth Forshee --- 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 02b1b62..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 */ -- 1.7.0.4