diff options
| author |   Aurabindo Pillai <aurabindo.pillai@amd.com> | 2023-04-06 15:01:32 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2023-04-21 08:50:21 -0400 |
| commit | 053065a43ca6466575d9d3c9110e305fdcf303d3 (patch) | |
| tree | 822fe403739a819a5f467981635b4b2e00223004 | |
| parent | drm/amdgpu: Fix integer overflow in amdgpu_cs_pass1 (diff) | |
| download | wireguard-linux-053065a43ca6466575d9d3c9110e305fdcf303d3.tar.xz wireguard-linux-053065a43ca6466575d9d3c9110e305fdcf303d3.zip | |
drm/amd/display: Add FAMS related definitions and documenation for enum fields
[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>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 17 |
1 files changed, 15 insertions, 2 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 54b7786f5681..b32a5c977d17 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -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, |