Oops, sorry I have a wrong watch on the patch KIQ still go directly -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Liu, Monk Sent: 2017å¹´12æ??14æ?¥ 15:34 To: Grodzovsky, Andrey <Andrey.Grodzovsky at amd.com>; amd-gfx at lists.freedesktop.org; Koenig, Christian <Christian.Koenig at amd.com> Cc: Grodzovsky, Andrey <Andrey.Grodzovsky at amd.com>; maraeo at gmail.com Subject: RE: [PATCH] drm/amdgpu: Simplify amdgpu_lockup_timeout usage. - timeout = msecs_to_jiffies(amdgpu_lockup_timeout); - if (timeout == 0) { - /* - * FIXME: - * Delayed workqueue cannot use it directly, - * so the scheduler will not use delayed workqueue if - * MAX_SCHEDULE_TIMEOUT is set. - * Currently keep it simple and silly. - */ - timeout = MAX_SCHEDULE_TIMEOUT; - } r = drm_sched_init(&ring->sched, &amdgpu_sched_ops, num_hw_submission, amdgpu_job_hang_limit, - timeout, ring->name); + msecs_to_jiffies(amdgpu_lockup_timeout), ring->name); What's the background for above change ? why use scheduler for KIQ ? -----Original Message----- From: Andrey Grodzovsky [mailto:andrey.grodzovsky@xxxxxxx] Sent: 2017å¹´12æ??14æ?¥ 3:45 To: amd-gfx at lists.freedesktop.org; Koenig, Christian <Christian.Koenig at amd.com> Cc: maraeo at gmail.com; Liu, Monk <Monk.Liu at amd.com>; Grodzovsky, Andrey <Andrey.Grodzovsky at amd.com> Subject: [PATCH] drm/amdgpu: Simplify amdgpu_lockup_timeout usage. With introduction of amdgpu_gpu_recovery we don't need any more to rely on amdgpu_lockup_timeout == 0 for disabling GPU reset. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 ++++++- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 14 +------------- drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 2 +- drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c | 2 +- 5 files changed, 11 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index a074502..98fb9f9d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1229,6 +1229,11 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev) amdgpu_vram_page_split); amdgpu_vram_page_split = 1024; } + + if (amdgpu_lockup_timeout == 0) { + dev_warn(adev->dev, "lockup_timeout msut be > 0, adjusting to 10000\n"); + amdgpu_lockup_timeout = 10000; + } } /** @@ -2831,7 +2836,7 @@ bool amdgpu_need_backup(struct amdgpu_device *adev) if (adev->flags & AMD_IS_APU) return false; - return amdgpu_lockup_timeout > 0 ? true : false; + return amdgpu_gpu_recovery; } static int amdgpu_recover_vram_from_shadow(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index b734cd6..1fc5499 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -90,7 +90,7 @@ int amdgpu_disp_priority = 0; int amdgpu_hw_i2c = 0; int amdgpu_pcie_gen2 = -1; int amdgpu_msi = -1; -int amdgpu_lockup_timeout = 0; +int amdgpu_lockup_timeout = 10000; int amdgpu_dpm = -1; int amdgpu_fw_load_type = -1; int amdgpu_aspm = -1; @@ -166,7 +166,7 @@ module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444); MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(msi, amdgpu_msi, int, 0444); -MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 0 = disable)"); +MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms > 0 (default +10000)"); module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444); MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)"); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 854baf0..9484aed 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -410,7 +410,6 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, unsigned num_hw_submission) { - long timeout; int r; /* Check that num_hw_submission is a power of two */ @@ -434,20 +433,9 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, /* No need to setup the GPU scheduler for KIQ ring */ if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ) { - timeout = msecs_to_jiffies(amdgpu_lockup_timeout); - if (timeout == 0) { - /* - * FIXME: - * Delayed workqueue cannot use it directly, - * so the scheduler will not use delayed workqueue if - * MAX_SCHEDULE_TIMEOUT is set. - * Currently keep it simple and silly. - */ - timeout = MAX_SCHEDULE_TIMEOUT; - } r = drm_sched_init(&ring->sched, &amdgpu_sched_ops, num_hw_submission, amdgpu_job_hang_limit, - timeout, ring->name); + msecs_to_jiffies(amdgpu_lockup_timeout), ring->name); if (r) { DRM_ERROR("Failed to create scheduler on ring %s.\n", ring->name); diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c index 7ade56d..43e74ec 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c @@ -277,7 +277,7 @@ static int xgpu_ai_mailbox_rcv_irq(struct amdgpu_device *adev, int r; /* trigger gpu-reset by hypervisor only if TDR disbaled */ - if (amdgpu_lockup_timeout == 0) { + if (!amdgpu_gpu_recovery) { /* see what event we get */ r = xgpu_ai_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION); diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c index e05823d..da7c261 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c @@ -545,7 +545,7 @@ static int xgpu_vi_mailbox_rcv_irq(struct amdgpu_device *adev, int r; /* trigger gpu-reset by hypervisor only if TDR disbaled */ - if (amdgpu_lockup_timeout == 0) { + if (!amdgpu_gpu_recovery) { /* see what event we get */ r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION); -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
