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drm/amd/display: Document part of the DMUB cmd

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Add a simple documentation in the dmub_cmd.

Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2022-10-20 11:46:45 -04:00 committed by Alex Deucher
parent f7f697403f
commit 1fb695d9e6
1 changed files with 12 additions and 1 deletions
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13
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
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@ -729,6 +729,7 @@ enum dmub_cmd_type {
/**
* Command type used for all VBIOS interface commands.
*/
/**
* Command type used for all SECURE_DISPLAY commands.
*/
@ -3147,14 +3148,23 @@ struct dmub_rb_cmd_get_usbc_cable_id {
} data;
};
/**
* Command type of a DMUB_CMD__SECURE_DISPLAY command
*/
enum dmub_cmd_secure_display_type {
DMUB_CMD__SECURE_DISPLAY_TEST_CMD = 0,
DMUB_CMD__SECURE_DISPLAY_TEST_CMD = 0, /* test command to only check if inbox message works */
DMUB_CMD__SECURE_DISPLAY_CRC_STOP_UPDATE,
DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY
};
/**
* Definition of a DMUB_CMD__SECURE_DISPLAY command
*/
struct dmub_rb_cmd_secure_display {
struct dmub_cmd_header header;
/**
* Data passed from driver to dmub firmware.
*/
struct dmub_cmd_roi_info {
uint16_t x_start;
uint16_t x_end;
@ -3373,6 +3383,7 @@ union dmub_rb_cmd {
* Definition of a DMUB_CMD__SECURE_DISPLAY command.
*/
struct dmub_rb_cmd_secure_display secure_display;
/**
* Definition of a DMUB_CMD__DPIA_HPD_INT_ENABLE command.
*/