mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-03-09 12:09:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/powerplay: support to print pcie levels for sienna_cichlid

Browse Source 
Support to print PCIE clk levels for sienna_cichlid.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao
2020-03-10 12:22:34 +08:00
committed by Alex Deucher
parent 08ccfe084c
commit b7d25b5f67
2 changed files with 34 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c
View File

@@ -37,6 +37,7 @@
#include "smu_v11_0_pptable.h"
#include "smu_v11_0_7_ppsmc.h"
#include "nbio/nbio_2_3_sh_mask.h"
#include "asic_reg/mp/mp_11_0_sh_mask.h"
#define FEATURE_MASK(feature) (1ULL << feature)
@@ -508,10 +509,16 @@ static bool sienna_cichlid_is_support_fine_grained_dpm(struct smu_context *smu,
static int sienna_cichlid_print_clk_levels(struct smu_context *smu,
enum smu_clk_type clk_type, char *buf)
{
struct amdgpu_device *adev = smu->adev;
struct smu_table_context *table_context = &smu->smu_table;
struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
struct smu_11_0_dpm_context *dpm_context = smu_dpm->dpm_context;
PPTable_t *pptable = (PPTable_t *)table_context->driver_pptable;
int i, size = 0, ret = 0;
uint32_t cur_value = 0, value = 0, count = 0;
uint32_t freq_values[3] = {0};
uint32_t mark_index = 0;
uint32_t gen_speed, lane_width;
switch (clk_type) {
case SMU_GFXCLK:
@@ -562,6 +569,30 @@ static int sienna_cichlid_print_clk_levels(struct smu_context *smu,
}
break;
case SMU_PCIE:
gen_speed = (RREG32_PCIE(smnPCIE_LC_SPEED_CNTL) &
PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK)
>> PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT;
lane_width = (RREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL) &
PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK)
>> PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT;
for (i = 0; i < NUM_LINK_LEVELS; i++)
size += sprintf(buf + size, "%d: %s %s %dMhz %s\n", i,
(dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 0) ? "2.5GT/s," :
(dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 1) ? "5.0GT/s," :
(dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 2) ? "8.0GT/s," :
(dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 3) ? "16.0GT/s," : "",
(dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 1) ? "x1" :
(dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 2) ? "x2" :
(dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 3) ? "x4" :
(dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 4) ? "x8" :
(dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 5) ? "x12" :
(dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 6) ? "x16" : "",
pptable->LclkFreq[i],
(gen_speed == dpm_context->dpm_tables.pcie_table.pcie_gen[i]) &&
(lane_width == dpm_context->dpm_tables.pcie_table.pcie_lane[i]) ?
"*" : "");
break;
default:
break;
}

3
drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.h
View File

@@ -25,4 +25,7 @@
extern void sienna_cichlid_set_ppt_funcs(struct smu_context *smu);
#define smnPCIE_LC_SPEED_CNTL 0x11140290
#define smnPCIE_LC_LINK_WIDTH_CNTL 0x11140288
#endif