From 7d0a31e8cc3bd51cd2d33931d72a0513020c5d0a Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Thu, 29 Aug 2019 19:30:02 +0800 Subject: [PATCH] drm/amdgpu: switch to amdgpu_ras_late_init for sdma v4 block (v2) call helper function in late init phase to handle ras init for sdma ip block v2: call ras_late_fini to do clean up when fail to enable interrupt Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Reviewed-by: Tao Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 98 +++++++------------------- 1 file changed, 24 insertions(+), 74 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index f4d353bf57c1..82980efd3ee6 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1696,7 +1696,6 @@ static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev, static int sdma_v4_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - struct ras_common_if **ras_if = &adev->sdma.ras_if; struct ras_ih_if ih_info = { .cb = sdma_v4_0_process_ras_data_cb, }; @@ -1704,87 +1703,38 @@ static int sdma_v4_0_late_init(void *handle) .sysfs_name = "sdma_err_count", .debugfs_name = "sdma_err_inject", }; - struct ras_common_if ras_block = { - .block = AMDGPU_RAS_BLOCK__SDMA, - .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE, - .sub_block_index = 0, - .name = "sdma", - }; int r, i; - if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { - amdgpu_ras_feature_enable_on_boot(adev, &ras_block, 0); - return 0; - } - - /* handle resume path. */ - if (*ras_if) { - /* resend ras TA enable cmd during resume. - * prepare to handle failure. - */ - ih_info.head = **ras_if; - r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); - if (r) { - if (r == -EAGAIN) { - /* request a gpu reset. will run again. */ - amdgpu_ras_request_reset_on_boot(adev, - AMDGPU_RAS_BLOCK__SDMA); - return 0; - } - /* fail to enable ras, cleanup all. */ - goto irq; - } - /* enable successfully. continue. */ - goto resume; - } - - *ras_if = kmalloc(sizeof(**ras_if), GFP_KERNEL); - if (!*ras_if) - return -ENOMEM; - - **ras_if = ras_block; - - r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); - if (r) { - if (r == -EAGAIN) { - amdgpu_ras_request_reset_on_boot(adev, - AMDGPU_RAS_BLOCK__SDMA); - r = 0; - } - goto feature; + if (!adev->sdma.ras_if) { + adev->sdma.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL); + if (!adev->sdma.ras_if) + return -ENOMEM; + adev->sdma.ras_if->block = AMDGPU_RAS_BLOCK__SDMA; + adev->sdma.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; + adev->sdma.ras_if->sub_block_index = 0; + strcpy(adev->sdma.ras_if->name, "sdma"); } + fs_info.head = ih_info.head = *adev->sdma.ras_if; - ih_info.head = **ras_if; - fs_info.head = **ras_if; - - r = amdgpu_ras_interrupt_add_handler(adev, &ih_info); + r = amdgpu_ras_late_init(adev, adev->sdma.ras_if, + &fs_info, &ih_info); if (r) - goto interrupt; - - amdgpu_ras_debugfs_create(adev, &fs_info); + goto free; - r = amdgpu_ras_sysfs_create(adev, &fs_info); - if (r) - goto sysfs; -resume: - for (i = 0; i < adev->sdma.num_instances; i++) { - r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, - AMDGPU_SDMA_IRQ_INSTANCE0 + i); - if (r) - goto irq; + if (amdgpu_ras_is_supported(adev, adev->sdma.ras_if->block)) { + for (i = 0; i < adev->sdma.num_instances; i++) { + r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, + AMDGPU_SDMA_IRQ_INSTANCE0 + i); + if (r) + goto late_fini; + } } - return 0; -irq: - amdgpu_ras_sysfs_remove(adev, *ras_if); -sysfs: - amdgpu_ras_debugfs_remove(adev, *ras_if); - amdgpu_ras_interrupt_remove_handler(adev, &ih_info); -interrupt: - amdgpu_ras_feature_enable(adev, *ras_if, 0); -feature: - kfree(*ras_if); - *ras_if = NULL; + return 0; +late_fini: + amdgpu_ras_late_fini(adev, adev->sdma.ras_if, &ih_info); +free: + kfree(adev->sdma.ras_if); return r; } -- 2.30.2