From 2af8153126e1cdd93891a9edef76fbbd497e90ab Mon Sep 17 00:00:00 2001
From: Kevin Wang <kevin1.wang@amd.com>
Date: Tue, 5 Nov 2019 18:53:30 +0800
Subject: drm/amdgpu: fix sysfs interface pcie_replay_count error on navi asic
Git-commit: 2af8153126e1cdd93891a9edef76fbbd497e90ab
Patch-mainline: v5.5-rc1
References: bsc#1152489
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 <kevin1.wang@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
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 a55a2e83fb19..af68f9815f28 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -539,6 +539,16 @@ 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;
@@ -586,6 +596,7 @@ 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)
--
2.28.0