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| author |   Jonathan Kim <jonathan.kim@amd.com> | 2020-08-04 16:26:20 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-09-15 17:52:42 -0400 |
| commit | 7c679ef6678c7718d6c7284e6f9dd8dd4c27d4e4 (patch) | |
| tree | d068d493010778a3abcbab7c8fb5b3071ff8cc96 /drivers/gpu/drm/amd/amdgpu/df_v3_6.c | |
| parent | drm/radeon: revert "Prefer lower feedback dividers" (diff) | |
| download | linux-dev-7c679ef6678c7718d6c7284e6f9dd8dd4c27d4e4.tar.xz linux-dev-7c679ef6678c7718d6c7284e6f9dd8dd4c27d4e4.zip | |
drm/amdgpu: stop resetting xgmi perfmons on disable
Disabling perf events does not specify reset in ABI so stop doing it in
hardware.
Signed-off-by: Jonathan Kim <Jonathan.Kim@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/df_v3_6.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/df_v3_6.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c index 2eab808fffeb..7b89fd2aa44a 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c @@ -455,7 +455,8 @@ static int df_v3_6_pmc_get_ctrl_settings(struct amdgpu_device *adev, uint32_t *lo_base_addr, uint32_t *hi_base_addr, uint32_t *lo_val, - uint32_t *hi_val) + uint32_t *hi_val, + bool is_enable) { uint32_t eventsel, instance, unitmask; @@ -477,7 +478,8 @@ static int df_v3_6_pmc_get_ctrl_settings(struct amdgpu_device *adev, instance_5432 = (instance >> 2) & 0xf; instance_76 = (instance >> 6) & 0x3; - *lo_val = (unitmask << 8) | (instance_10 << 6) | eventsel | (1 << 22); + *lo_val = (unitmask << 8) | (instance_10 << 6) | eventsel; + *lo_val = is_enable ? *lo_val | (1 << 22) : *lo_val & ~(1 << 22); *hi_val = (instance_76 << 29) | instance_5432; DRM_DEBUG_DRIVER("config=%llx addr=%08x:%08x val=%08x:%08x", @@ -572,14 +574,14 @@ static void df_v3_6_reset_perfmon_cntr(struct amdgpu_device *adev, } static int df_v3_6_pmc_start(struct amdgpu_device *adev, uint64_t config, - int is_enable) + int is_add) { uint32_t lo_base_addr, hi_base_addr, lo_val, hi_val; int err = 0, ret = 0; switch (adev->asic_type) { case CHIP_VEGA20: - if (is_enable) + if (is_add) return df_v3_6_pmc_add_cntr(adev, config); df_v3_6_reset_perfmon_cntr(adev, config); @@ -589,7 +591,8 @@ static int df_v3_6_pmc_start(struct amdgpu_device *adev, uint64_t config, &lo_base_addr, &hi_base_addr, &lo_val, - &hi_val); + &hi_val, + true); if (ret) return ret; @@ -612,7 +615,7 @@ static int df_v3_6_pmc_start(struct amdgpu_device *adev, uint64_t config, } static int df_v3_6_pmc_stop(struct amdgpu_device *adev, uint64_t config, - int is_disable) + int is_remove) { uint32_t lo_base_addr, hi_base_addr, lo_val, hi_val; int ret = 0; @@ -624,15 +627,17 @@ static int df_v3_6_pmc_stop(struct amdgpu_device *adev, uint64_t config, &lo_base_addr, &hi_base_addr, &lo_val, - &hi_val); + &hi_val, + false); if (ret) return ret; - df_v3_6_reset_perfmon_cntr(adev, config); - if (is_disable) + if (is_remove) { + df_v3_6_reset_perfmon_cntr(adev, config); df_v3_6_pmc_release_cntr(adev, config); + } break; default: |