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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-11-28 02:29:45 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2017-11-28 02:29:45 +0300 |
| commit | a99c6d4fdc0470c3137d834d578441d057a5ebd0 (patch) | |
| tree | 26be32f53c49d521990ee44c96b1ca3809dfd6cb /drivers/gpu/drm/amd/amdkfd/kfd_module.c | |
| parent | 8f8fb9b9d05c44e452ebefac5f01f8f32ffe306c (diff) | |
| download | linux-a99c6d4fdc0470c3137d834d578441d057a5ebd0.tar.xz | |
drm/amdkfd: map multiple processes to HW scheduler
Allow HWS to to execute multiple processes on the hardware
concurrently. The number of concurrent processes is limited by
the number of VMIDs allocated to the HWS.
A module parameter can be used for limiting this further or turn
it off altogether (mainly for debugging purposes).
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_module.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_module.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index ee8adf654cd0..4e060c864c21 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -50,6 +50,11 @@ module_param(sched_policy, int, 0444); MODULE_PARM_DESC(sched_policy, "Scheduling policy (0 = HWS (Default), 1 = HWS without over-subscription, 2 = Non-HWS (Used for debugging only)"); +int hws_max_conc_proc = 8; +module_param(hws_max_conc_proc, int, 0444); +MODULE_PARM_DESC(hws_max_conc_proc, + "Max # processes HWS can execute concurrently when sched_policy=0 (0 = no concurrency, #VMIDs for KFD = Maximum(default))"); + int cwsr_enable = 1; module_param(cwsr_enable, int, 0444); MODULE_PARM_DESC(cwsr_enable, "CWSR enable (0 = Off, 1 = On (Default))"); |