diff options
| author | Karen Chen <Karen.Chen@amd.com> | 2025-10-15 11:13:07 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-10-28 09:57:44 -0400 |
| commit | dbf58a9dad4d80286c5c17e199f595eb0dd3be5a (patch) | |
| tree | 717ca1f0113596ad828bf83dcdd4fd624cee5931 /drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h | |
| parent | e6a8a000cfe6a1106c17ab4a47eb6dd21596968c (diff) | |
drm/amd/display: Add more DC HW state info to underflow logging
[Why]
Debugging underflow issues frequently requires knowing the
HW state at the time of underflow. To enable capturing this
HW state information, interface functions are needed for the
various DC HW blocks.
[How]
This change adds the interface functions to read HW state for
the following DC HW blocks:
- HUBBUB
- HUBP
- DPP
- MPC
- OPP
- DSC
- OPTC
- DCCG
Reviewed-by: George Shen <george.shen@amd.com>
Signed-off-by: Karen Chen <Karen.Chen@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h index 2ce47c403840..dafc8490efb5 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h @@ -137,6 +137,14 @@ struct dcn_hubbub_state { uint32_t dram_state_cntl; }; +struct dcn_hubbub_reg_state { + uint32_t det0_ctrl; + uint32_t det1_ctrl; + uint32_t det2_ctrl; + uint32_t det3_ctrl; + uint32_t compbuf_ctrl; +}; + struct hubbub_system_latencies { uint32_t max_latency_ns; uint32_t avg_latency_ns; @@ -216,6 +224,8 @@ struct hubbub_funcs { void (*init_watermarks)(struct hubbub *hubbub); + void (*hubbub_read_reg_state)(struct hubbub *hubbub, struct dcn_hubbub_reg_state *hubbub_reg_state); + /** * @program_det_size: * @@ -242,8 +252,6 @@ struct hubbub_funcs { void (*program_compbuf_segments)(struct hubbub *hubbub, unsigned compbuf_size_seg, bool safe_to_increase); void (*wait_for_det_update)(struct hubbub *hubbub, int hubp_inst); bool (*program_arbiter)(struct hubbub *hubbub, struct dml2_display_arb_regs *arb_regs, bool safe_to_lower); - void (*get_det_sizes)(struct hubbub *hubbub, uint32_t *curr_det_sizes, uint32_t *target_det_sizes); - uint32_t (*compbuf_config_error)(struct hubbub *hubbub); struct hubbub_perfmon_funcs { void (*reset)(struct hubbub *hubbub); void (*start_measuring_max_memory_latency_ns)( |