drm/amd/display: disable power gating for DCN314

[Why]
Power gating is causing error messages on some DCN314 systems

[How]
Force disable power gating for DCN314

Fixes: 4cc1cebe08bf ("drm/amd/display: Re-enable DPP/HUBP Power Gating")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 a840b008d660305436f80fcd4cf0ff3ed73147e9..ef49b4d7742f7de34f4d64810089addcbb7ba4ac 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -1883,13 +1883,6 @@ 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) {
@@ -1910,6 +1903,11 @@ static bool dcn314_resource_construct(
                dc->debug = debug_defaults_drv;
        else
                dc->debug = debug_defaults_diags;
+
+       /* Disable pipe power gating */
+       dc->debug.disable_dpp_power_gate = true;
+       dc->debug.disable_hubp_power_gate = true;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);