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>
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 @@
/* 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 */