diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-06-17 15:45:51 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-07-01 16:10:35 -0400 |
| commit | ea04ef19ebdcd22e8a21054a19c2c8fefae011ce (patch) | |
| tree | 8e78cfe001edd073807e32d1f3f92d3652189832 | |
| parent | fe4b8c98dd1fcfab6e6c18bbc0f0f31a64bba7a5 (diff) | |
drm/amd/display: Add debug option for disabling SLDO optimizations
[Why]
DM can hook this up to disable SLDO optimizations in firmware during
DMCUB initialization for debug purposes.
[How]
Add the option and pass it through dmub_srv.
Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@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/dmub_srv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c | 1 |
3 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index 85dcf6b4fe92..6589bb9aea6b 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -299,6 +299,7 @@ struct dmub_srv_hw_params { enum dmub_memory_access_type mem_access_type; enum dmub_ips_disable_type disable_ips; bool disallow_phy_access; + bool disable_sldo_opt; }; /** 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 605dd9d45167..5ff0a865705f 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -684,7 +684,8 @@ union dmub_fw_boot_options { uint32_t ips_pg_disable: 1; /* 1 to disable ONO domains power gating*/ uint32_t ips_disable: 3; /* options to disable ips support*/ uint32_t ips_sequential_ono: 1; /**< 1 to enable sequential ONO IPS sequence */ - uint32_t reserved : 8; /**< reserved */ + uint32_t disable_sldo_opt: 1; /**< 1 to disable SLDO optimizations */ + uint32_t reserved : 7; /**< reserved */ } bits; /**< boot bits */ uint32_t all; /**< 32-bit access to bits */ }; diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c index 80da117356c0..916ed022e96b 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c @@ -424,6 +424,7 @@ void dmub_dcn35_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmu boot_options.bits.disable_clk_gate = params->disable_clock_gate; boot_options.bits.ips_disable = params->disable_ips; boot_options.bits.ips_sequential_ono = params->ips_sequential_ono; + boot_options.bits.disable_sldo_opt = params->disable_sldo_opt; REG_WRITE(DMCUB_SCRATCH14, boot_options.all); } |