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authorEvan Quan <evan.quan@amd.com>2019-02-21 10:41:21 +0300
committerAlex Deucher <alexander.deucher@amd.com>2019-02-28 06:20:30 +0300
commit084a56c723b34e493684e5f2ac9692c452564dce (patch)
treee6ccef35f2cde20c4f598b2306ec6bd52322f3b5 /drivers/gpu
parent65543b28893a81c7a7987d5b25387ff03243dd81 (diff)
downloadlinux-084a56c723b34e493684e5f2ac9692c452564dce.tar.xz
drm/amd/powerplay: show the right override pcie parameters
Instead of the hard-coded ones from VBIOS. Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c46
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h4
2 files changed, 34 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 90ce402a1b2c..9aa7bec1b5fe 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -783,6 +783,8 @@ static int vega20_init_smc_table(struct pp_hwmgr *hwmgr)
static int vega20_override_pcie_parameters(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+ struct vega20_hwmgr *data =
+ (struct vega20_hwmgr *)(hwmgr->backend);
uint32_t pcie_gen = 0, pcie_width = 0, smu_pcie_arg;
int ret;
@@ -819,6 +821,10 @@ static int vega20_override_pcie_parameters(struct pp_hwmgr *hwmgr)
"[OverridePcieParameters] Attempt to override pcie params failed!",
return ret);
+ data->pcie_parameters_override = 1;
+ data->pcie_gen_level1 = pcie_gen;
+ data->pcie_width_level1 = pcie_width;
+
return 0;
}
@@ -3099,7 +3105,7 @@ static int vega20_print_clock_levels(struct pp_hwmgr *hwmgr,
&(data->dpm_table.fclk_table);
int i, now, size = 0;
int ret = 0;
- uint32_t gen_speed, lane_width;
+ uint32_t gen_speed, lane_width, current_gen_speed, current_lane_width;
switch (type) {
case PP_SCLK:
@@ -3187,28 +3193,36 @@ static int vega20_print_clock_levels(struct pp_hwmgr *hwmgr,
break;
case PP_PCIE:
- gen_speed = (RREG32_PCIE(smnPCIE_LC_SPEED_CNTL) &
+ current_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) &
+ current_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++)
+ for (i = 0; i < NUM_LINK_LEVELS; i++) {
+ if (i == 1 && data->pcie_parameters_override) {
+ gen_speed = data->pcie_gen_level1;
+ lane_width = data->pcie_width_level1;
+ } else {
+ gen_speed = pptable->PcieGenSpeed[i];
+ lane_width = pptable->PcieLaneCount[i];
+ }
size += sprintf(buf + size, "%d: %s %s %dMhz %s\n", i,
- (pptable->PcieGenSpeed[i] == 0) ? "2.5GT/s," :
- (pptable->PcieGenSpeed[i] == 1) ? "5.0GT/s," :
- (pptable->PcieGenSpeed[i] == 2) ? "8.0GT/s," :
- (pptable->PcieGenSpeed[i] == 3) ? "16.0GT/s," : "",
- (pptable->PcieLaneCount[i] == 1) ? "x1" :
- (pptable->PcieLaneCount[i] == 2) ? "x2" :
- (pptable->PcieLaneCount[i] == 3) ? "x4" :
- (pptable->PcieLaneCount[i] == 4) ? "x8" :
- (pptable->PcieLaneCount[i] == 5) ? "x12" :
- (pptable->PcieLaneCount[i] == 6) ? "x16" : "",
+ (gen_speed == 0) ? "2.5GT/s," :
+ (gen_speed == 1) ? "5.0GT/s," :
+ (gen_speed == 2) ? "8.0GT/s," :
+ (gen_speed == 3) ? "16.0GT/s," : "",
+ (lane_width == 1) ? "x1" :
+ (lane_width == 2) ? "x2" :
+ (lane_width == 3) ? "x4" :
+ (lane_width == 4) ? "x8" :
+ (lane_width == 5) ? "x12" :
+ (lane_width == 6) ? "x16" : "",
pptable->LclkFreq[i],
- (gen_speed == pptable->PcieGenSpeed[i]) &&
- (lane_width == pptable->PcieLaneCount[i]) ?
+ (current_gen_speed == gen_speed) &&
+ (current_lane_width == lane_width) ?
"*" : "");
+ }
break;
case OD_SCLK:
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
index ccaf415400a7..a5bc758ae097 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
@@ -526,6 +526,10 @@ struct vega20_hwmgr {
unsigned long metrics_time;
SmuMetrics_t metrics_table;
+
+ bool pcie_parameters_override;
+ uint32_t pcie_gen_level1;
+ uint32_t pcie_width_level1;
};
#define VEGA20_DPM2_NEAR_TDP_DEC 10