Update pcie link speed registers for smu v13.0.6 &
populate gpu metric table with pcie link speed rather than
gen for smu v13_0_0, smu v13_0_6 & smu v13_0_7
v2:
Update ESM register address
Used macro to convert pcie gen to speed
v3:
Chaged macro to inline function for pcie gen to speed
Signed-off-by: Asad Kamal <asad.kamal@xxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v11_0.h | 1 -
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 1 -
.../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 7 ++++++-
.../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 16 ++++++++++++++--
.../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 7 ++++++-
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 2 ++
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h | 8 ++++++++
7 files changed, 36 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v11_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v11_0.h
index 1b4e0e4716ea..a0e5ad0381d6 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v11_0.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v11_0.h
@@ -64,7 +64,6 @@
#define LINK_SPEED_MAX 3
static const __maybe_unused uint16_t link_width[] = {0, 1, 2, 4, 8, 12, 16};
-static const __maybe_unused uint16_t link_speed[] = {25, 50, 80, 160};
static const
struct smu_temperature_range __maybe_unused smu11_thermal_policy[] = {
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 895cda8e6934..6863186937f7 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
@@ -83,7 +83,6 @@ MODULE_FIRMWARE("amdgpu/smu_13_0_10.bin");
#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT 0xE
static const int link_width[] = {0, 1, 2, 4, 8, 12, 16};
-static const int link_speed[] = {25, 50, 80, 160};
const int pmfw_decoded_link_speed[5] = {1, 2, 3, 4, 5};
const int pmfw_decoded_link_width[7] = {0, 1, 2, 4, 8, 12, 16};
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 48b03524a52d..f4e2ac4a8713 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -102,6 +102,8 @@
#define PP_OD_FEATURE_UCLK_FMAX 3
#define PP_OD_FEATURE_GFX_VF_CURVE 4
+#define LINK_SPEED_MAX 3
+
static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] = {
MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 1),
MSG_MAP(GetSmuVersion, PPSMC_MSG_GetSmuVersion, 1),
@@ -1759,7 +1761,10 @@ static ssize_t smu_v13_0_0_get_gpu_metrics(struct smu_context *smu,
gpu_metrics->current_fan_speed = metrics->AvgFanRpm;
gpu_metrics->pcie_link_width = metrics->PcieWidth;
- gpu_metrics->pcie_link_speed = metrics->PcieRate;
+ if ((metrics->PcieRate - 1) > LINK_SPEED_MAX)
+ gpu_metrics->pcie_link_speed = pcie_gen_to_speed(1);
+ else
+ gpu_metrics->pcie_link_speed = pcie_gen_to_speed(metrics->PcieRate);
gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
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 21275e496852..d1a9be37bece 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
@@ -80,12 +80,17 @@
/* possible frequency drift (1Mhz) */
#define EPSILON 1
-#define smnPCIE_ESM_CTRL 0x193D0
+#define smnPCIE_ESM_CTRL 0x93D0
#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
+#define smnPCIE_LC_SPEED_CNTL 0x1a340290
+#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK 0xE0
+#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT 0x5
+#define LINK_SPEED_MAX 4
+
static const struct cmn2asic_msg_mapping smu_v13_0_6_message_map[SMU_MSG_MAX_COUNT] = {
MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 0),
MSG_MAP(GetSmuVersion, PPSMC_MSG_GetSmuVersion, 1),
@@ -1936,6 +1941,7 @@ smu_v13_0_6_get_current_pcie_link_width_level(struct smu_context *smu)
static int smu_v13_0_6_get_current_pcie_link_speed(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
+ uint32_t speed_level;
uint32_t esm_ctrl;
/* TODO: confirm this on real target */
@@ -1943,7 +1949,13 @@ static int smu_v13_0_6_get_current_pcie_link_speed(struct smu_context *smu)
if ((esm_ctrl >> 15) & 0x1FFFF)
return (((esm_ctrl >> 8) & 0x3F) + 128);
- return smu_v13_0_get_current_pcie_link_speed(smu);
+ speed_level = (RREG32_PCIE(smnPCIE_LC_SPEED_CNTL) &
+ PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK)
+ >> PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT;
+ if (speed_level > LINK_SPEED_MAX)
+ speed_level = 0;
+
+ return pcie_gen_to_speed(speed_level + 1);
}
static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index 690f89fcbbe3..df88206aaf13 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -78,6 +78,8 @@
#define PP_OD_FEATURE_UCLK_FMAX 3
#define PP_OD_FEATURE_GFX_VF_CURVE 4
+#define LINK_SPEED_MAX 3
+
static struct cmn2asic_msg_mapping smu_v13_0_7_message_map[SMU_MSG_MAX_COUNT] = {
MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 1),
MSG_MAP(GetSmuVersion, PPSMC_MSG_GetSmuVersion, 1),
@@ -1735,7 +1737,10 @@ static ssize_t smu_v13_0_7_get_gpu_metrics(struct smu_context *smu,
gpu_metrics->current_fan_speed = metrics->AvgFanRpm;
gpu_metrics->pcie_link_width = metrics->PcieWidth;
- gpu_metrics->pcie_link_speed = metrics->PcieRate;
+ if ((metrics->PcieRate - 1) > LINK_SPEED_MAX)
+ gpu_metrics->pcie_link_speed = pcie_gen_to_speed(1);
+ else
+ gpu_metrics->pcie_link_speed = pcie_gen_to_speed(metrics->PcieRate);
gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index 442d267088bc..12618a583e97 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -39,6 +39,8 @@
#define MP1_C2PMSG_90__CONTENT_MASK 0xFFFFFFFFL
+const int link_speed[] = {25, 50, 80, 160, 320, 640};
+
#undef __SMU_DUMMY_MAP
#define __SMU_DUMMY_MAP(type) #type
static const char * const __smu_message_names[] = {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
index d7cd358a53bd..7d0251422228 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
@@ -30,6 +30,14 @@
#define FDO_PWM_MODE_STATIC 1
#define FDO_PWM_MODE_STATIC_RPM 5
+extern const int link_speed[];
+
+/* Helper to Convert from PCIE Gen 1/2/3/4/5/6 to 0.1 GT/s speed units */
+static inline int pcie_gen_to_speed(uint32_t gen)
+{
+ return ((gen <= 0) ? link_speed[0] : link_speed[gen - 1]);
+}
+
int smu_cmn_send_msg_without_waiting(struct smu_context *smu,
uint16_t msg_index,
uint32_t param);
--
2.34.1
