From: Asad Kamal Date: Thu, 10 Aug 2023 14:08:40 +0000 (+0800) Subject: drm/amd/pm: Update pci link speed for smu v13.0.6 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f1d1abd616ba008ca679af0e793217ec11c55113;p=linux.git drm/amd/pm: Update pci link speed for smu v13.0.6 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 Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher --- 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 1b4e0e4716ea7..a0e5ad0381d66 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 52e9c7611013a..f1282fc4b90ab 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 784a9d26d6bd1..8b7403ba89d7c 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), @@ -1760,7 +1762,10 @@ 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 94043a037f8cf..6ed9cd0a1e4ed 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), @@ -1930,6 +1935,7 @@ 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 */ @@ -1937,7 +1943,13 @@ 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 32b0bb9d03851..94ef5b4d116d7 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), @@ -1736,7 +1738,10 @@ 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 442d267088bcd..12618a583e97c 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 d7cd358a53bdc..cc590e27d88ac 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);