[Intel-gfx] [PATCH 30/24] drm/i915/icl: update VBT's child_device_config flags2 field

[Rodrigo Vivi]

On Thu, May 24, 2018 at 04:42:41PM -0700, Paulo Zanoni wrote:
> 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 at intel.com>
> Credits-to: Animesh Manna <animesh.manna at intel.com>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_vbt_defs.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h
> index 7c798c18600e..4dc907e47262 100644
> --- a/drivers/gpu/drm/i915/intel_vbt_defs.h
> +++ b/drivers/gpu/drm/i915/intel_vbt_defs.h
> @@ -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 */

The reversal order always confuses me :P

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>


>  	u8 dp_gpio_index;					/* 195 */
>  	u16 dp_gpio_pin_num;					/* 195 */
>  	u8 dp_iboost_level:4;					/* 196 */
> -- 
> 2.14.3
> 
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