diff options
| author | Daniel Miess <daniel.miess@amd.com> | 2023-05-23 21:21:59 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-15 17:44:31 +0300 |
| commit | 4cc1cebe08bff0d2b75f16aa65ec61360e09a647 (patch) | |
| tree | a9cbad5e9af2a68cee04354ea2bdeb61367dd418 /drivers | |
| parent | 1c982c9ffefd00120f2293bfd15fec5af475dc28 (diff) | |
| download | linux-4cc1cebe08bff0d2b75f16aa65ec61360e09a647.tar.xz | |
drm/amd/display: Re-enable DPP/HUBP Power Gating
[Why & How]
Bugs preventing DPP/HUBP power gating have been addressed
so this should be reenabled on dcn314 for sufficient
hardware rev versions
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c index 7957ad4d6a34..a840b008d660 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -874,8 +874,8 @@ static const struct dc_debug_options debug_defaults_drv = { .force_abm_enable = false, .timing_trace = false, .clock_trace = true, - .disable_dpp_power_gate = true, - .disable_hubp_power_gate = true, + .disable_dpp_power_gate = false, + .disable_hubp_power_gate = false, .disable_pplib_clock_request = false, .pipe_split_policy = MPC_SPLIT_DYNAMIC, .force_single_disp_pipe_split = false, @@ -1883,6 +1883,13 @@ static bool dcn314_resource_construct( /* Use pipe context based otg sync logic */ dc->config.use_pipe_ctx_sync_logic = true; + /* Disable pipe power gating when unsupported */ + if (ctx->asic_id.hw_internal_rev == 0x01 || + ctx->asic_id.hw_internal_rev == 0x80) { + dc->debug.disable_dpp_power_gate = true; + dc->debug.disable_hubp_power_gate = true; + } + /* read VBIOS LTTPR caps */ { if (ctx->dc_bios->funcs->get_lttpr_caps) { |