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drm/amd/display: Add FAMS related definitions and documenation for enum fields

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[Why&How]
Add Enum and documenation related to FAMS (Firmware Assisted Memclk
Switching) and CAB (Cache As Buffer)

Reviewed-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai
2023-04-06 15:01:32 -04:00
committed by Alex Deucher
parent 87c2213e85
commit 053065a43c
1 changed files with 15 additions and 2 deletions
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17
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
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@@ -376,6 +376,7 @@ enum dmub_fw_boot_status_bit {
DMUB_FW_BOOT_STATUS_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if init done */
DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */
DMUB_FW_BOOT_STATUS_BIT_DEFERRED_LOADED = (1 << 4), /**< 1 if VBIOS data is deferred programmed */
DMUB_FW_BOOT_STATUS_BIT_FAMS_ENABLED = (1 << 5), /**< 1 if FAMS is enabled*/
DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED = (1 << 6), /**< 1 if detection need to be triggered by driver*/
DMUB_FW_BOOT_STATUS_BIT_HW_POWER_INIT_DONE = (1 << 7), /**< 1 if hw power init is completed */
};
@@ -989,16 +990,25 @@ struct dmub_rb_cmd_mall {
};
/**
* enum dmub_cmd_cab_type - TODO:
* enum dmub_cmd_cab_type - CAB command data.
*/
enum dmub_cmd_cab_type {
/**
* No idle optimizations (i.e. no CAB)
*/
DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0,
/**
* No DCN requests for memory
*/
DMUB_CMD__CAB_NO_DCN_REQ = 1,
/**
* Fit surfaces in CAB (i.e. CAB enable)
*/
DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2,
};
/**
* struct dmub_rb_cmd_cab_for_ss - TODO:
* struct dmub_rb_cmd_cab - CAB command data.
*/
struct dmub_rb_cmd_cab_for_ss {
struct dmub_cmd_header header;
@@ -1006,6 +1016,9 @@ struct dmub_rb_cmd_cab_for_ss {
uint8_t debug_bits; /* debug bits */
};
/**
* Enum for indicating which MCLK switch mode per pipe
*/
enum mclk_switch_mode {
NONE = 0,
FPO = 1,