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drm/i915/icl: update VBT's child_device_config flags2 field 

Some bits from the flags2 field are going to be used in the next
patches, so replace the whole-byte definition with the actual bits and
document their versions.

This patch is based on a patch by Animesh Manna.

Cc: Animesh Manna <animesh.manna@intel.com>
Credits-to: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180614221018.19044-2-paulo.r.zanoni@intel.com
This commit is contained in:
Paulo Zanoni 2018-06-14 15:10:18 -07:00
parent 9378985eb0
commit f677bd558d
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/intel_vbt_defs.h
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@ -420,7 +420,9 @@ struct child_device_config {
u16 extended_type;
u8 dvo_function;
u8 dp_usb_type_c:1; /* 195 */
u8 flags2_reserved:7; /* 195 */
u8 tbt:1; /* 209 */
u8 flags2_reserved:2; /* 195 */
u8 dp_port_trace_length:4; /* 209 */
u8 dp_gpio_index; /* 195 */
u16 dp_gpio_pin_num; /* 195 */
u8 dp_iboost_level:4; /* 196 */