From: Emily Nie <Emily.Nie@xxxxxxx>
[Why]
IGT displays Dmesg warnings which are likely false
[How]
Disabling p-state checks leading to this warning for DCN31 and DCN314
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Signed-off-by: Emily Nie <Emily.Nie@xxxxxxx>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 23 +++++++++++++++++++
.../dc/resource/dcn31/dcn31_resource.c | 2 +-
.../dc/resource/dcn314/dcn314_resource.c | 2 +-
3 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index fdc1d2d1afd9..1d47719e7af1 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1307,6 +1307,29 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
DRM_INFO("DMUB hardware initialized: version=0x%08X\n",
adev->dm.dmcub_fw_version);
+ /* Keeping sanity checks off if
+ * DCN31 >= 4.0.59.0
+ * DCN314 >= 8.0.16.0
+ * Otherwise, turn on sanity checks
+ */
+ switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) {
+ case IP_VERSION(3, 1, 2):
+ case IP_VERSION(3, 1, 3):
+ if (adev->dm.dmcub_fw_version &&
+ adev->dm.dmcub_fw_version >= DMUB_FW_VERSION(4, 0, 0) &&
+ adev->dm.dmcub_fw_version < DMUB_FW_VERSION(4, 0, 59))
+ adev->dm.dc->debug.sanity_checks = true;
+ break;
+ case IP_VERSION(3, 1, 4):
+ if (adev->dm.dmcub_fw_version &&
+ adev->dm.dmcub_fw_version >= DMUB_FW_VERSION(4, 0, 0) &&
+ adev->dm.dmcub_fw_version < DMUB_FW_VERSION(8, 0, 16))
+ adev->dm.dc->debug.sanity_checks = true;
+ break;
+ default:
+ break;
+ }
+
return 0;
}
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
index f71a5b8286b2..c16cf1c8f7f9 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
@@ -868,7 +868,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.max_downscale_src_width = 4096,/*upto true 4K*/
.disable_pplib_wm_range = false,
.scl_reset_length10 = true,
- .sanity_checks = true,
+ .sanity_checks = false,
.underflow_assert_delay_us = 0xFFFFFFFF,
.dwb_fi_phase = -1, // -1 = disable,
.dmub_command_table = true,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
index 8aa10da68432..c0f48c78e968 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
@@ -888,7 +888,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.max_downscale_src_width = 4096,/*upto true 4k*/
.disable_pplib_wm_range = false,
.scl_reset_length10 = true,
- .sanity_checks = true,
+ .sanity_checks = false,
.underflow_assert_delay_us = 0xFFFFFFFF,
.dwb_fi_phase = -1, // -1 = disable,
.dmub_command_table = true,
--
2.46.1
