[PATCH] drm/amdgpu: enable separate timeout setting for every ring type V4
Quan, Evan
Evan.Quan at amd.com
Sun May 5 14:25:31 UTC 2019
Thanks! Just sent out a new patch to address this as original patch was already committed.
Regards,
Evan
> -----Original Message-----
> From: Christian König <ckoenig.leichtzumerken at gmail.com>
> Sent: 2019年4月30日 17:15
> To: Alex Deucher <alexdeucher at gmail.com>; Quan, Evan
> <Evan.Quan at amd.com>
> Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Lou, Wentao
> <Wentao.Lou at amd.com>; Daenzer, Michel <Michel.Daenzer at amd.com>;
> Koenig, Christian <Christian.Koenig at amd.com>; amd-gfx list <amd-
> gfx at lists.freedesktop.org>
> Subject: Re: [PATCH] drm/amdgpu: enable separate timeout setting for
> every ring type V4
>
> [CAUTION: External Email]
>
> Am 30.04.19 um 05:20 schrieb Alex Deucher:
> > On Mon, Apr 29, 2019 at 11:16 PM Evan Quan <evan.quan at amd.com>
> wrote:
> >> Every ring type can have its own timeout setting.
> >>
> >> - V2: update lockup_timeout parameter format and cosmetic fixes
> >> - V3: invalidate 0 and negative values
> >> - V4: update lockup_timeout parameter format
> >>
> >> Change-Id: I992f224f36bb33acd560162bffd2c3e987840a7e
> >> Signed-off-by: Evan Quan <evan.quan at amd.com>
> > Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>
> One more issue below, with that fixed the patch is Reviewed-by:
> Christian König <christian.koenig at amd.com>
>
> >
> >> ---
> >> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 7 +-
> >> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 17 +++--
> >> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 79
> ++++++++++++++++++++--
> >> drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 35 ++++++++--
> >> drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 2 +-
> >> 5 files changed, 121 insertions(+), 19 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> >> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> >> index f6965b9403eb..c9b44b8c1969 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> >> @@ -118,7 +118,6 @@ extern int amdgpu_disp_priority;
> >> extern int amdgpu_hw_i2c;
> >> extern int amdgpu_pcie_gen2;
> >> extern int amdgpu_msi;
> >> -extern int amdgpu_lockup_timeout;
> >> extern int amdgpu_dpm;
> >> extern int amdgpu_fw_load_type;
> >> extern int amdgpu_aspm;
> >> @@ -428,6 +427,7 @@ struct amdgpu_fpriv {
> >> };
> >>
> >> int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv
> >> **fpriv);
> >> +int amdgpu_device_get_job_timeout_settings(struct amdgpu_device
> >> +*adev);
> >>
> >> int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm
> *vm,
> >> unsigned size, struct amdgpu_ib *ib); @@ -1001,6
> >> +1001,11 @@ struct amdgpu_device {
> >> struct work_struct xgmi_reset_work;
> >>
> >> bool in_baco_reset;
> >> +
> >> + long gfx_timeout;
> >> + long sdma_timeout;
> >> + long video_timeout;
> >> + long compute_timeout;
> >> };
> >>
> >> static inline struct amdgpu_device *amdgpu_ttm_adev(struct
> >> ttm_bo_device *bdev) diff --git
> >> a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> >> index 80bf604019b1..b11af38a0238 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> >> @@ -912,8 +912,10 @@ static void
> amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev)
> >> * Validates certain module parameters and updates
> >> * the associated values used by the driver (all asics).
> >> */
> >> -static void amdgpu_device_check_arguments(struct amdgpu_device
> >> *adev)
> >> +static int amdgpu_device_check_arguments(struct amdgpu_device
> *adev)
> >> {
> >> + int ret = 0;
> >> +
> >> if (amdgpu_sched_jobs < 4) {
> >> dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n",
> >> amdgpu_sched_jobs); @@ -958,13 +960,16 @@
> >> static void amdgpu_device_check_arguments(struct amdgpu_device
> *adev)
> >> 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;
> >> + ret = amdgpu_device_get_job_timeout_settings(adev);
> >> + if (ret) {
> >> + dev_err(adev->dev, "invalid lockup_timeout parameter
> syntax\n");
> >> + return ret;
> >> }
> >>
> >> adev->firmware.load_type = amdgpu_ucode_get_load_type(adev,
> amdgpu_fw_load_type);
> >> amdgpu_direct_gma_size = min(amdgpu_direct_gma_size, 96);
> >> +
> >> + return ret;
> >> }
> >>
> >> /**
> >> @@ -2468,7 +2473,9 @@ int amdgpu_device_init(struct amdgpu_device
> *adev,
> >> mutex_init(&adev->lock_reset);
> >> mutex_init(&adev->virt.dpm_mutex);
> >>
> >> - amdgpu_device_check_arguments(adev);
> >> + r = amdgpu_device_check_arguments(adev);
> >> + if (r)
> >> + return r;
> >>
> >> spin_lock_init(&adev->mmio_idx_lock);
> >> spin_lock_init(&adev->smc_idx_lock);
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> >> index 71df27cd03de..609c7af8a3f0 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> >> @@ -83,6 +83,8 @@
> >>
> >> #define AMDGPU_VERSION "19.10.9.418"
> >>
> >> +#define AMDGPU_MAX_TIMEOUT_PARAM_LENTH 256
> >> +
> >> int amdgpu_vram_limit = 0;
> >> int amdgpu_vis_vram_limit = 0;
> >> int amdgpu_gart_size = -1; /* auto */ @@ -95,7 +97,7 @@ int
> >> amdgpu_disp_priority = 0;
> >> int amdgpu_hw_i2c = 0;
> >> int amdgpu_pcie_gen2 = -1;
> >> int amdgpu_msi = -1;
> >> -int amdgpu_lockup_timeout = 10000;
> >> +char
> amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENTH];
> >> int amdgpu_dpm = -1;
> >> int amdgpu_fw_load_type = -1;
> >> int amdgpu_aspm = -1;
> >> @@ -232,12 +234,21 @@ MODULE_PARM_DESC(msi, "MSI support (1 =
> enable, 0 = disable, -1 = auto)");
> >> module_param_named(msi, amdgpu_msi, int, 0444);
> >>
> >> /**
> >> - * DOC: lockup_timeout (int)
> >> - * Set GPU scheduler timeout value in ms. Value 0 is invalidated, will be
> adjusted to 10000.
> >> - * Negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET). The
> default is 10000.
> >> + * DOC: lockup_timeout (string)
> >> + * Set GPU scheduler timeout value in ms.
> >> + *
> >> + * The format can be [Non-Compute] or [GFX,Compute,SDMA,Video].
> That
> >> + is there can be one or
> >> + * multiple values specified. 0 and negative values are invalidated.
> >> + They will be adjusted
> >> + * to default timeout.
> >> + * - With one value specified, the setting will apply to all non-compute
> jobs.
> >> + * - With multiple values specified, the first one will be for GFX. The
> second one is for Compute.
> >> + * And the third and fourth ones are for SDMA and Video.
> >> + * By default(with no lockup_timeout settings), the timeout for all
> >> + non-compute(GFX, SDMA and Video)
> >> + * jobs is 10000. And there is no timeout enforced on compute jobs.
> >> */
> >> -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(lockup_timeout, "GPU lockup timeout in ms
> (default: 10000 for non-compute jobs and no timeout for compute jobs), "
> >> + "format is [Non-Compute] or
> >> +[GFX,Compute,SDMA,Video]"); module_param_string(lockup_timeout,
> >> +amdgpu_lockup_timeout, sizeof(amdgpu_lockup_timeout), 0444);
> >>
> >> /**
> >> * DOC: dpm (int)
> >> @@ -1307,6 +1318,62 @@ int amdgpu_file_to_fpriv(struct file *filp, struct
> amdgpu_fpriv **fpriv)
> >> return 0;
> >> }
> >>
> >> +int amdgpu_device_get_job_timeout_settings(struct amdgpu_device
> >> +*adev) {
> >> + char *input = amdgpu_lockup_timeout;
> >> + char *timeout_setting = NULL;
> >> + int index = 0;
> >> + long timeout;
> >> + int ret = 0;
> >> +
> >> + /*
> >> + * By default timeout for non compute jobs is 10000.
> >> + * And there is no timeout enforced on compute jobs.
> >> + */
> >> + adev->gfx_timeout = adev->sdma_timeout = adev->video_timeout
> = 10000;
> >> + adev->compute_timeout = MAX_SCHEDULE_TIMEOUT;
> >> +
> >> + if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENTH)) {
> >> + while ((timeout_setting = strsep(&input, ",")) &&
> >> + strnlen(timeout_setting,
> AMDGPU_MAX_TIMEOUT_PARAM_LENTH)) {
> >> + ret = kstrtol(timeout_setting, 0, &timeout);
> >> + if (ret)
> >> + return ret;
> >> +
> >> + /* Invalidate 0 and negative values */
> >> + if (timeout <= 0) {
> >> + index++;
> >> + continue;
> >> + }
>
> Negative values are perfectly valid and just mean infinite timeout. Take a
> look at the msecs_to_jiffies() implementation.
>
> Christian.
>
> >> +
> >> + switch (index++) {
> >> + case 0:
> >> + adev->gfx_timeout = timeout;
> >> + break;
> >> + case 1:
> >> + adev->compute_timeout = timeout;
> >> + break;
> >> + case 2:
> >> + adev->sdma_timeout = timeout;
> >> + break;
> >> + case 3:
> >> + adev->video_timeout = timeout;
> >> + break;
> >> + default:
> >> + break;
> >> + }
> >> + }
> >> + /*
> >> + * There is only one value specified and
> >> + * it should apply to all non-compute jobs.
> >> + */
> >> + if (index == 1)
> >> + adev->sdma_timeout = adev->video_timeout = adev-
> >gfx_timeout;
> >> + }
> >> +
> >> + return ret;
> >> +}
> >> +
> >> static bool
> >> amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned
> int pipe,
> >> bool in_vblank_irq, int *vpos, int
> >> *hpos, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> >> index d19ad34bef75..16b7e3a22e89 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> >> @@ -436,9 +436,13 @@ int amdgpu_fence_driver_start_ring(struct
> amdgpu_ring *ring,
> >> int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
> >> unsigned num_hw_submission)
> >> {
> >> + struct amdgpu_device *adev = ring->adev;
> >> long timeout;
> >> int r;
> >>
> >> + if (!adev)
> >> + return -EINVAL;
> >> +
> >> /* Check that num_hw_submission is a power of two */
> >> if ((num_hw_submission & (num_hw_submission - 1)) != 0)
> >> return -EINVAL;
> >> @@ -465,12 +469,31 @@ 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) {
> >> - /* for non-sriov case, no timeout enforce on compute ring */
> >> - if ((ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE)
> >> - && !amdgpu_sriov_vf(ring->adev))
> >> - timeout = MAX_SCHEDULE_TIMEOUT;
> >> - else
> >> - timeout = msecs_to_jiffies(amdgpu_lockup_timeout);
> >> + switch (ring->funcs->type) {
> >> + case AMDGPU_RING_TYPE_GFX:
> >> + timeout = adev->gfx_timeout;
> >> + break;
> >> + case AMDGPU_RING_TYPE_COMPUTE:
> >> + /*
> >> + * For non-sriov case, no timeout enforce
> >> + * on compute ring by default. Unless user
> >> + * specifies a timeout for compute ring.
> >> + *
> >> + * For sriov case, always use the timeout
> >> + * as gfx ring
> >> + */
> >> + if (!amdgpu_sriov_vf(ring->adev))
> >> + timeout = adev->compute_timeout;
> >> + else
> >> + timeout = adev->gfx_timeout;
> >> + break;
> >> + case AMDGPU_RING_TYPE_SDMA:
> >> + timeout = adev->sdma_timeout;
> >> + break;
> >> + default:
> >> + timeout = adev->video_timeout;
> >> + break;
> >> + }
> >>
> >> r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
> >> num_hw_submission,
> >> amdgpu_job_hang_limit, diff --git
> >> a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
> >> b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
> >> index 8dbad496b29f..089952a1e6b0 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
> >> @@ -343,7 +343,7 @@ static void xgpu_ai_mailbox_flr_work(struct
> >> work_struct *work)
> >>
> >> /* Trigger recovery for world switch failure if no TDR */
> >> if (amdgpu_device_should_recover_gpu(adev)
> >> - && amdgpu_lockup_timeout == MAX_SCHEDULE_TIMEOUT)
> >> + && adev->sdma_timeout == MAX_SCHEDULE_TIMEOUT)
> >> amdgpu_device_gpu_recover(adev, NULL);
> >> }
> >>
> >> --
> >> 2.21.0
> >>
> >> _______________________________________________
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> >> amd-gfx at lists.freedesktop.org
> >> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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