This is a note to let you know that I've just added the patch titled
drm/amd: Disable PP_PCIE_DPM_MASK when dynamic speed switching not supported
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-disable-pp_pcie_dpm_mask-when-dynamic-speed-.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b7031604771e576fba4ca074c34cb5c0d352e1ed
Author: Mario Limonciello <mario.limonciello@xxxxxxx>
Date: Mon Oct 23 15:42:00 2023 -0500
drm/amd: Disable PP_PCIE_DPM_MASK when dynamic speed switching not supported
[ Upstream commit fbf1035b033a51eee48d5f42e781b02fff272ca0 ]
Rather than individual ASICs checking for the quirk, set the quirk at the
driver level.
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 69f72bca229c9..b9fd755419fb4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2103,6 +2103,8 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_SIENNA_CICHLID)
adev->pm.pp_feature &= ~PP_OVERDRIVE_MASK;
+ if (!amdgpu_device_pcie_dynamic_switching_supported())
+ adev->pm.pp_feature &= ~PP_PCIE_DPM_MASK;
total = true;
for (i = 0; i < adev->num_ip_blocks; i++) {
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
index 5a2371484a58c..11372fcc59c8f 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -1823,9 +1823,7 @@ static void smu7_init_dpm_defaults(struct pp_hwmgr *hwmgr)
data->mclk_dpm_key_disabled = hwmgr->feature_mask & PP_MCLK_DPM_MASK ? false : true;
data->sclk_dpm_key_disabled = hwmgr->feature_mask & PP_SCLK_DPM_MASK ? false : true;
- data->pcie_dpm_key_disabled =
- !amdgpu_device_pcie_dynamic_switching_supported() ||
- !(hwmgr->feature_mask & PP_PCIE_DPM_MASK);
+ data->pcie_dpm_key_disabled = !(hwmgr->feature_mask & PP_PCIE_DPM_MASK);
/* need to set voltage control types before EVV patching */
data->voltage_control = SMU7_VOLTAGE_CONTROL_NONE;
data->vddci_control = SMU7_VOLTAGE_CONTROL_NONE;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 0cc5d9769d382..a7f4f82d23b4b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -2108,7 +2108,7 @@ static int sienna_cichlid_update_pcie_parameters(struct smu_context *smu,
min_lane_width = min_lane_width > max_lane_width ?
max_lane_width : min_lane_width;
- if (!amdgpu_device_pcie_dynamic_switching_supported()) {
+ if (!(smu->adev->pm.pp_feature & PP_PCIE_DPM_MASK)) {
pcie_table->pcie_gen[0] = max_gen_speed;
pcie_table->pcie_lane[0] = max_lane_width;
} else {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index a280c1ed007f6..4aeb84572e5b8 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -2430,7 +2430,7 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu,
uint32_t smu_pcie_arg;
int ret, i;
- if (!amdgpu_device_pcie_dynamic_switching_supported()) {
+ if (!(smu->adev->pm.pp_feature & PP_PCIE_DPM_MASK)) {
if (pcie_table->pcie_gen[num_of_levels - 1] < pcie_gen_cap)
pcie_gen_cap = pcie_table->pcie_gen[num_of_levels - 1];
