mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 11:19:37 +00:00
drm/amdgpu: add option for force enable multipipe policy for compute
Useful for testing the effects of multipipe compute without recompiling. Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Andres Rodriguez <andresx7@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
0f7607d484
commit
4a75aefe3f
3 changed files with 11 additions and 0 deletions
|
@ -121,6 +121,7 @@ extern int amdgpu_cntl_sb_buf_per_se;
|
|||
extern int amdgpu_param_buf_per_se;
|
||||
extern int amdgpu_job_hang_limit;
|
||||
extern int amdgpu_lbpw;
|
||||
extern int amdgpu_compute_multipipe;
|
||||
|
||||
#ifdef CONFIG_DRM_AMDGPU_SI
|
||||
extern int amdgpu_si_support;
|
||||
|
|
|
@ -122,6 +122,7 @@ int amdgpu_cntl_sb_buf_per_se = 0;
|
|||
int amdgpu_param_buf_per_se = 0;
|
||||
int amdgpu_job_hang_limit = 0;
|
||||
int amdgpu_lbpw = -1;
|
||||
int amdgpu_compute_multipipe = -1;
|
||||
|
||||
MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
|
||||
module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
|
||||
|
@ -265,6 +266,9 @@ module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
|
|||
MODULE_PARM_DESC(lbpw, "Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable, -1 = auto)");
|
||||
module_param_named(lbpw, amdgpu_lbpw, int, 0444);
|
||||
|
||||
MODULE_PARM_DESC(compute_multipipe, "Force compute queues to be spread across pipes (1 = enable, 0 = disable, -1 = auto)");
|
||||
module_param_named(compute_multipipe, amdgpu_compute_multipipe, int, 0444);
|
||||
|
||||
#ifdef CONFIG_DRM_AMDGPU_SI
|
||||
|
||||
#if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
|
||||
|
|
|
@ -111,6 +111,12 @@ void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_s
|
|||
|
||||
static bool amdgpu_gfx_is_multipipe_capable(struct amdgpu_device *adev)
|
||||
{
|
||||
if (amdgpu_compute_multipipe != -1) {
|
||||
DRM_INFO("amdgpu: forcing compute pipe policy %d\n",
|
||||
amdgpu_compute_multipipe);
|
||||
return amdgpu_compute_multipipe == 1;
|
||||
}
|
||||
|
||||
/* FIXME: spreading the queues across pipes causes perf regressions
|
||||
* on POLARIS11 compute workloads */
|
||||
if (adev->asic_type == CHIP_POLARIS11)
|
||||
|
|
Loading…
Reference in a new issue