diff options
| author | Antti Koskipaa <antti.koskipaa@linux.intel.com> | 2015-07-10 14:10:55 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-08-14 19:13:09 +0300 |
| commit | 75067ddecf21271631bc018d2fb23ddd09b66aae (patch) | |
| tree | 025b3cfb003926340197383bc9858a47ecc5a8ca /drivers/gpu/drm/i915/intel_bios.h | |
| parent | 622147fdad5425f6f572f84ce709303e5e0500b7 (diff) | |
| download | linux-75067ddecf21271631bc018d2fb23ddd09b66aae.tar.xz | |
drm/i915: Per-DDI I_boost override
An OEM may request increased I_boost beyond the recommended values
by specifying an I_boost value to be applied to all swing entries for
a port. These override values are specified in VBT.
v2: rebase and remove unused iboost_bit variable
Issue: VIZ-5676
Signed-off-by: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index f7ad6a585129..6d909efbf43f 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -231,6 +231,10 @@ struct old_child_dev_config { /* This one contains field offsets that are known to be common for all BDB * versions. Notice that the meaning of the contents contents may still change, * but at least the offsets are consistent. */ + +/* Definitions for flags_1 */ +#define IBOOST_ENABLE (1<<3) + struct common_child_dev_config { u16 handle; u16 device_type; @@ -239,8 +243,13 @@ struct common_child_dev_config { u8 not_common2[2]; u8 ddc_pin; u16 edid_ptr; + u8 obsolete; + u8 flags_1; + u8 not_common3[13]; + u8 iboost_level; } __packed; + /* This field changes depending on the BDB version, so the most reliable way to * read it is by checking the BDB version and reading the raw pointer. */ union child_device_config { |