On Fri, 15 Jul 2022, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Split the DP redriver bytes into bitfields.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_vbt_defs.h | 16 +++++++++++-----
> 1 file changed, 11 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> index e997b8bcc6b8..a88c5ef51cd8 100644
> --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> @@ -393,8 +393,14 @@ struct child_device_config {
> u8 device_id[10]; /* ascii string */
> struct {
> u8 i2c_speed;
> - u8 dp_onboard_redriver; /* 158+ */
> - u8 dp_ondock_redriver; /* 158+ */
> + u8 dp_onboard_redriver_preemph:3; /* 158+ */
> + u8 dp_onboard_redriver_vswing:3; /* 158+ */
> + u8 dp_onboard_redriver_present:1; /* 158+ */
> + u8 reserved0:1;
> + u8 dp_ondock_redriver_preemph:3; /* 158+ */
> + u8 dp_ondock_redriver_vswing:3; /* 158+ */
> + u8 dp_ondock_redriver_present:1; /* 158+ */
> + u8 reserved1:1;
> u8 hdmi_level_shifter_value:5; /* 158+ */
> u8 hdmi_max_data_rate:3; /* 204+ */
> u16 dtd_buf_ptr; /* 161+ */
> @@ -402,11 +408,11 @@ struct child_device_config {
> u8 compression_enable:1; /* 198+ */
> u8 compression_method_cps:1; /* 198+ */
> u8 ganged_edp:1; /* 202+ */
> - u8 reserved0:4;
> + u8 reserved2:4;
> u8 compression_structure_index:4; /* 198+ */
> - u8 reserved1:4;
> + u8 reserved3:4;
> u8 slave_port; /* 202+ */
> - u8 reserved2;
> + u8 reserved4;
> } __packed;
> } __packed;
--
Jani Nikula, Intel Open Source Graphics Center
