diff options
| author | Daniel Miess <daniel.miess@amd.com> | 2023-06-07 11:11:44 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-23 17:52:40 +0200 |
| commit | d4008eadfce5d7791bf078f5e51ba5b735fd8c09 (patch) | |
| tree | dd316fcc675d2863c89cfba92f335fc76042b091 | |
| parent | b2f599c014f3aabc76c185f42e39de64b86deede (diff) | |
| download | linux-d4008eadfce5d7791bf078f5e51ba5b735fd8c09.tar.gz | |
drm/amd/display: disable RCO for DCN314
commit 85e41f1ed5d94a26fe4e57003c399936d291ed70 upstream.
[Why]
RCO is causing error messages on some DCN314 systems
[How]
Force disable RCO for DCN314
Fixes: 17fbdbda9cc8 ("drm/amd/display: Enable dcn314 DPP RCO")
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c index 97c6a79dfba6..b74705c1c8dc 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c @@ -296,7 +296,7 @@ static void dccg314_dpp_root_clock_control( { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); - if (dccg->dpp_clock_gated[dpp_inst] == clock_on) + if (dccg->dpp_clock_gated[dpp_inst] != clock_on) return; if (clock_on) { 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 012f6369dae2..503ab45b4ace 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -1933,6 +1933,10 @@ static bool dcn314_resource_construct( dc->debug = debug_defaults_drv; else dc->debug = debug_defaults_diags; + + /* Disable root clock optimization */ + dc->debug.root_clock_optimization.u32All = 0; + // Init the vm_helper if (dc->vm_helper) vm_helper_init(dc->vm_helper, 16); |