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From ec3f714e0c5acf684b8c3d983a37f90c024bd2b7 Mon Sep 17 00:00:00 2001
From: xinhui pan <xinhui.pan@amd.com>
Date: Tue, 9 Apr 2019 16:53:08 +0800
Subject: [PATCH 1738/2940] drm/amdgpu: Add a check to avoid panic because of
unexpected irqs
IP initialize ras in late_init, because of the BUGs of PSP or any
other components, driver receives unexpected irqs. It is ok to add such
check anyway.
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 8 +++++++-
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 +++++++-
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 8 +++++++-
3 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 6e208cc04e70..c05754e19beb 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4841,10 +4841,16 @@ static int gfx_v9_0_cp_ecc_error_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
+ struct ras_common_if *ras_if = adev->gfx.ras_if;
struct ras_dispatch_if ih_data = {
- .head = *adev->gfx.ras_if,
.entry = entry,
};
+
+ if (!ras_if)
+ return 0;
+
+ ih_data.head = *ras_if;
+
DRM_ERROR("CP ECC ERROR IRQ\n");
amdgpu_ras_interrupt_dispatch(adev, &ih_data);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 841b47b54dde..3927fbb11c0d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -247,10 +247,16 @@ static int gmc_v9_0_process_ecc_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
+ struct ras_common_if *ras_if = adev->gmc.ras_if;
struct ras_dispatch_if ih_data = {
- .head = *adev->gmc.ras_if,
.entry = entry,
};
+
+ if (!ras_if)
+ return 0;
+
+ ih_data.head = *ras_if;
+
amdgpu_ras_interrupt_dispatch(adev, &ih_data);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 55ca603a3511..279e09f610a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1865,10 +1865,16 @@ static int sdma_v4_0_process_ecc_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
+ struct ras_common_if *ras_if = adev->sdma.ras_if;
struct ras_dispatch_if ih_data = {
- .head = *adev->sdma.ras_if,
.entry = entry,
};
+
+ if (!ras_if)
+ return 0;
+
+ ih_data.head = *ras_if;
+
amdgpu_ras_interrupt_dispatch(adev, &ih_data);
return 0;
}
--
2.17.1
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