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authorVille Syrjälä <ville.syrjala@linux.intel.com>2022-07-15 23:20:35 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2022-09-05 15:15:09 +0300
commitf04b1d91aeec5f981b3a8f10b7321fed544d68d6 (patch)
treed27abc101c2b9f4d9a36c0510bbcc487b476a041
parent46d4eedab5a1fbadfd5dfc915a92cd13fb3bf325 (diff)
downloadlinux-f04b1d91aeec5f981b3a8f10b7321fed544d68d6.tar.xz
drm/i915: Properly define the DP redriver VBT bits
Split the DP redriver bytes into bitfields. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220715202044.11153-4-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
-rw-r--r--drivers/gpu/drm/i915/display/intel_vbt_defs.h16
1 files 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 951a8ca4db7b..5b05cb0b6ba7 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;