diff options
| author | Dominik Kaszewski <dominik.kaszewski@amd.com> | 2025-04-15 15:55:13 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-05 12:55:30 -0400 |
| commit | 2f2c97089d69009d7085570a51f548c1f10b03c1 (patch) | |
| tree | 76cd30e7c89b343e36c02a5455a3a3b3112d586a /drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | |
| parent | bd3e84bc98f81b44f2c43936bdadc3241d654259 (diff) | |
drm/amd/display: Prepare for Fused I2C-over-AUX
[Why]
Passive DP-HDMI dongles use I2C-over-AUX protocol which is currently
not supported using HDCP Locality Check FW path.
[How]
Prepare code for switching to I2C-over-AUX protocol. Passive dongle
detection to be added in another commit.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Dominik Kaszewski <dominik.kaszewski@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index b11cf41c2d51..3ae31449983a 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -5447,7 +5447,8 @@ struct dmub_cmd_fused_request { struct dmub_cmd_fused_request_location_i2c { uint8_t is_aux : 1; // False uint8_t ddc_line : 3; - uint8_t _reserved0 : 4; + uint8_t over_aux : 1; + uint8_t _reserved0 : 3; uint8_t address; uint8_t offset; uint8_t length; |