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authorDaniel Miess <daniel.miess@amd.com>2023-06-07 18:11:44 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-06-23 22:37:48 +0300
commit85e41f1ed5d94a26fe4e57003c399936d291ed70 (patch)
tree925a34df458da6e493957c001fe59c79231f979d /drivers
parent65dae8ff4c7d5dde1016d1736c6740a0f80e68e3 (diff)
downloadlinux-85e41f1ed5d94a26fe4e57003c399936d291ed70.tar.xz
drm/amd/display: disable RCO for DCN314
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c3
2 files changed, 4 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 cf23d7bc560a..0746ed31d1d1 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
@@ -332,7 +332,7 @@ 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 ef49b4d7742f..6a9024aa3285 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -1908,6 +1908,9 @@ static bool dcn314_resource_construct(
dc->debug.disable_dpp_power_gate = true;
dc->debug.disable_hubp_power_gate = true;
+ /* 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);