drm/i915: Remove "i2c_speed" nonsense from child device table
I have no evidence for this byte being used this way, and lots of
counterexamples. Restore the struct to its empirical definition and
patch up gmbus setup to match.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
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 a8cad2b..8af3735 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -202,8 +202,7 @@
struct child_device_config {
u16 handle;
u16 device_type;
- u8 i2c_speed;
- u8 rsvd[9];
+ u8 device_id[10]; /* ascii string */
u16 addin_offset;
u8 dvo_port; /* See Device_PORT_* above */
u8 i2c_pin;