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author | Asad Kamal <asad.kamal@amd.com> | 2023-08-10 20:44:54 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-16 15:46:39 -0400 |
commit | d621114ffba56b032e91ee82d6469b2f9f0b2427 (patch) | |
tree | b34fc8343034b692ecaeb64ddecb88dd826a4184 | |
parent | 8d036427f0042a91136e6f19a39542eedec4e96c (diff) | |
download | linux-stable-d621114ffba56b032e91ee82d6469b2f9f0b2427.tar.gz linux-stable-d621114ffba56b032e91ee82d6469b2f9f0b2427.tar.bz2 linux-stable-d621114ffba56b032e91ee82d6469b2f9f0b2427.zip |
drm/amd/pm: Update pci link width for smu v13.0.6
Update addresses of PCIE link width registers,
& link width format used to populate gpu metrics
table for smu v13.0.6
v2:
Removed ESM register update
v3:
Updated patch subject and message
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 4fafcfbe3e5f..dc6104a04dce 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -81,9 +81,10 @@ #define EPSILON 1 #define smnPCIE_ESM_CTRL 0x193D0 -#define smnPCIE_LC_LINK_WIDTH_CNTL 0x1ab40288 +#define smnPCIE_LC_LINK_WIDTH_CNTL 0x1a340288 #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK 0x00000070L #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT 0x4 +#define MAX_LINK_WIDTH 6 static const struct cmn2asic_msg_mapping smu_v13_0_6_message_map[SMU_MSG_MAX_COUNT] = { MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 0), @@ -1969,6 +1970,7 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table struct amdgpu_device *adev = smu->adev; int ret = 0, inst0, xcc0; MetricsTable_t *metrics; + u16 link_width_level; inst0 = adev->sdma.instance[0].aid_id; xcc0 = GET_INST(GC, 0); @@ -2019,8 +2021,12 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table gpu_metrics->throttle_status = 0; if (!(adev->flags & AMD_IS_APU)) { + link_width_level = smu_v13_0_6_get_current_pcie_link_width_level(smu); + if (link_width_level > MAX_LINK_WIDTH) + link_width_level = 0; + gpu_metrics->pcie_link_width = - smu_v13_0_6_get_current_pcie_link_width_level(smu); + DECODE_LANE_WIDTH(link_width_level); gpu_metrics->pcie_link_speed = smu_v13_0_6_get_current_pcie_link_speed(smu); } |