From: Ville Syrjälä Date: Fri, 15 Jul 2022 20:20:35 +0000 (+0300) Subject: drm/i915: Properly define the DP redriver VBT bits X-Git-Tag: v6.6.17~3937^2~17^2~1086 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f04b1d91aeec5f981b3a8f10b7321fed544d68d6;p=platform%2Fkernel%2Flinux-rpi.git drm/i915: Properly define the DP redriver VBT bits Split the DP redriver bytes into bitfields. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20220715202044.11153-4-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 951a8ca..5b05cb0b 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;