From d52d6de2809a31b58a62f9ecba58bfd8fbf1bc63 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Fri, 19 Jul 2019 19:09:38 +0800 Subject: [PATCH] drm/amdgpu: set sdma irq src num according to sdma instances Otherwise, it will cause driver access non-existing sdma registers in gpu reset code path Signed-off-by: Hawking Zhang Reviewed-by: Le Ma Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 921a6dd9..dd8f520 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2416,10 +2416,23 @@ static const struct amdgpu_irq_src_funcs sdma_v4_0_ecc_irq_funcs = { static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev) { - adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; + switch (adev->sdma.num_instances) { + case 1: + adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE1; + adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE1; + break; + case 8: + adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; + adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_LAST; + break; + case 2: + default: + adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE2; + adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE2; + break; + } adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs; adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs; - adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_LAST; adev->sdma.ecc_irq.funcs = &sdma_v4_0_ecc_irq_funcs; } -- 2.7.4