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drm/i915/bios: amend child device config parameters

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Add both some new and some old fields to child device config
parameters. Prepare for switching to just one child device config. Use
naming from struct old_child_dev_config for common fields.

No functional changes.

Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bbf66c934eb5c655fd7dda6c1bb8f218c8edc209.1503600621.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2017-08-24 21:53:59 +03:00
parent 6e64462694
commit f865f7e1c7
1 changed files with 27 additions and 4 deletions
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31
drivers/gpu/drm/i915/intel_vbt_defs.h
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@@ -260,13 +260,28 @@ 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. */
struct common_child_dev_config {
u16 handle;
u16 device_type;
u8 not_common1[12];
u8 i2c_speed;
u8 dp_onboard_redriver; /* 158 */
u8 dp_ondock_redriver; /* 158 */
u8 hdmi_level_shifter_value:4; /* 169 */
u8 hdmi_max_data_rate:4; /* 204 */
u16 dtd_buf_ptr; /* 161 */
u8 edidless_efp:1; /* 161 */
u8 compression_enable:1; /* 198 */
u8 compression_method:1; /* 198 */
u8 ganged_edp:1; /* 202 */
u8 reserved0:4;
u8 compression_structure_index:4; /* 198 */
u8 reserved1:4;
u8 slave_port; /* 202 */
u8 reserved2;
u16 addin_offset;
u8 dvo_port;
u8 not_common2[2];
u8 i2c_pin;
u8 slave_addr;
u8 ddc_pin;
u16 edid_ptr;
u8 dvo_cfg; /* See DEVICE_CFG_* above */
@@ -281,7 +296,15 @@ struct common_child_dev_config {
u8 tmds_support:1;
u8 support_reserved:5;
u8 aux_channel;
u8 not_common3[11];
u8 dongle_detect;
u8 capabilities;
u8 dvo_wiring; /* See DEVICE_WIRE_* above */
u8 mipi_bridge_type; /* 171 */
u16 extended_type;
u8 dvo_function;
u8 flags2; /* 195 */
u8 dp_gpio_index; /* 195 */
u16 dp_gpio_pin_num; /* 195 */
u8 iboost_level;
} __packed;