From: Daniel Miess <[email protected]>
[Why]
Power gating is causing error messages on some DCN314 systems
[How]
Force disable power gating for DCN314
Fixes: 6d642c58a814 ("drm/amd/display: Re-enable DPP/HUBP Power Gating")
Reviewed-by: Nicholas Kazlauskas <[email protected]>
Acked-by: Hamza Mahfooz <[email protected]>
Signed-off-by: Daniel Miess <[email protected]>
---
.../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 a840b008d660..ef49b4d7742f 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);
--
2.40.1
