From 65dae8ff4c7d5dde1016d1736c6740a0f80e68e3 Mon Sep 17 00:00:00 2001 From: Daniel Miess Date: Wed, 14 Jun 2023 13:09:14 -0400 Subject: [PATCH] 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 Acked-by: Hamza Mahfooz Signed-off-by: Daniel Miess Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 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 a840b00..ef49b4d 100644 --- 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); -- 2.7.4