From 6f110828854e327b49da8fd84846facc3d2e87f8 Mon Sep 17 00:00:00 2001 From: Kevin Wang Date: Tue, 5 Nov 2019 18:53:30 +0800 Subject: [PATCH 4385/4736] drm/amdgpu: fix sysfs interface pcie_replay_count error on navi asic the asic callback function of get_pcie_replay_count is not implement on navi asic, it will cause null pinter error when read this interface. Signed-off-by: Kevin Wang Reviewed-by: Kent Russell --- drivers/gpu/drm/amd/amdgpu/nv.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 88e3665f7b09..b33da33214eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -538,6 +538,16 @@ static bool nv_need_reset_on_init(struct amdgpu_device *adev) return false; } +static uint64_t nv_get_pcie_replay_count(struct amdgpu_device *adev) +{ + + /* TODO + * dummy implement for pcie_replay_count sysfs interface + * */ + + return 0; +} + static void nv_init_doorbell_index(struct amdgpu_device *adev) { adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ; @@ -585,6 +595,7 @@ static const struct amdgpu_asic_funcs nv_asic_funcs = .need_full_reset = &nv_need_full_reset, .get_pcie_usage = &nv_get_pcie_usage, .need_reset_on_init = &nv_need_reset_on_init, + .get_pcie_replay_count = &nv_get_pcie_replay_count, }; static int nv_common_early_init(void *handle) -- 2.17.1