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authorKeith Packard <keithp@keithp.com>2011-09-26 14:25:57 -0700
committerKeith Packard <keithp@keithp.com>2011-09-27 11:12:39 -0700
commitd2830bdb84fac6e84e45ffe1a4c9bec762295d7d (patch)
tree372c2f24ba4d00e45af78200826d75d46093fc00
parentabd06860185fc613776adae792772e076d77caf2 (diff)
downloadblackbird-op-linux-d2830bdb84fac6e84e45ffe1a4c9bec762295d7d.tar.gz
blackbird-op-linux-d2830bdb84fac6e84e45ffe1a4c9bec762295d7d.zip
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 <keithp@keithp.com>
-rw-r--r--drivers/gpu/drm/i915/intel_bios.h5
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 02b1b62415df..72fb500bf39f 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 */
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