diff options
author | David Galiffi <David.Galiffi@amd.com> | 2022-07-20 17:54:05 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-10 15:30:05 -0400 |
commit | 86678d46272021c88638881c63d427dd10d665d6 (patch) | |
tree | 86165a04e855470bc3236f68cd12f690404a1c8b /drivers/gpu/drm/amd/display/dc/dc.h | |
parent | 0591183699fceeafb4c4141072d47775de83ecfb (diff) |
drm/amd/display: Allow alternate prefetch modes in DML for DCN32
[Why]
Driver is restricting voltage levels if system cannot switch
in vblank.
[How]
Change allow_for_pstate_or_stutter_in_vblank_final from
dm_prefetch_support_uclk_fclk_and_stutter to
dm_prefetch_support_uclk_fclk_and_stutter_if_possible.
Add support for a new registry property,
DalDMLDisallowAlternatePrefetchModes, for easier debugging.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: David Galiffi <David.Galiffi@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index d73e68c2fd51..ede8519cf790 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -752,6 +752,7 @@ struct dc_debug_options { uint32_t mst_start_top_delay; uint8_t psr_power_use_phy_fsm; enum dml_hostvm_override_opts dml_hostvm_override; + bool dml_disallow_alternate_prefetch_modes; bool use_legacy_soc_bb_mechanism; bool exit_idle_opt_for_cursor_updates; bool enable_single_display_2to1_odm_policy; |