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Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
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-----Original Message-----
From: Kamal, Asad <Asad.Kamal@xxxxxxx>
Sent: Friday, February 16, 2024 20:59
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Lazar, Lijo <Lijo.Lazar@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Ma, Le <Le.Ma@xxxxxxx>; Zhang, Morris <Shiwu.Zhang@xxxxxxx>; Kamal, Asad <Asad.Kamal@xxxxxxx>
Subject: [PATCH 3/3] drm/amdgpu: Remove pcie bw sys entry
Remove pcie bw sys entry for asics not supporting such function
Signed-off-by: Asad Kamal <asad.kamal@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/soc15.c | 1 - drivers/gpu/drm/amd/pm/amdgpu_pm.c | 3 ++-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 7fc55e3262eb..20a4582885cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -895,7 +895,6 @@ static const struct amdgpu_asic_funcs aqua_vanjaram_asic_funcs =
.get_config_memsize = &soc15_get_config_memsize,
.need_full_reset = &soc15_need_full_reset,
.init_doorbell_index = &aqua_vanjaram_doorbell_index_init,
- .get_pcie_usage = &vega20_get_pcie_usage,
.need_reset_on_init = &soc15_need_reset_on_init,
.get_pcie_replay_count = &amdgpu_nbio_get_pcie_replay_count,
.supports_baco = &soc15_supports_baco, diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 087d57850304..1ff7fc821871 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2174,7 +2174,8 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
*states = ATTR_STATE_UNSUPPORTED;
} else if (DEVICE_ATTR_IS(pcie_bw)) {
/* PCIe Perf counters won't work on APU nodes */
- if (adev->flags & AMD_IS_APU)
+ if (adev->flags & AMD_IS_APU ||
+ !adev->asic_funcs->get_pcie_usage)
*states = ATTR_STATE_UNSUPPORTED;
} else if (DEVICE_ATTR_IS(unique_id)) {
switch (gc_ver) {
--
2.42.0
