From ec3f714e0c5acf684b8c3d983a37f90c024bd2b7 Mon Sep 17 00:00:00 2001 From: xinhui pan 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 Reviewed-by: Evan Quan --- 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