1. When VRAM pressue and trigger huge evictions there is performance drop, this patch fix it. 2. Also reserve priority for KFD using
Change-Id: Idcd2db65be69d62bcbd7dfaa3bcf9bc964d6d122 Signed-off-by: Roger.He <hongbo...@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 +--- include/drm/ttm/ttm_bo_driver.h | 2 +- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 434c931..d6b2de9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -405,10 +405,8 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, if (unlikely(r != 0)) return r; - bo->tbo.priority = ilog2(bo->tbo.num_pages); if (kernel) - bo->tbo.priority *= 2; - bo->tbo.priority = min(bo->tbo.priority, TTM_MAX_BO_PRIORITY - 1); + bo->tbo.priority = 1; if (flags & AMDGPU_GEM_CREATE_VRAM_CLEARED && bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) { diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index c3d74be..7777d14 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -42,7 +42,7 @@ #include <linux/spinlock.h> #include <linux/reservation.h> -#define TTM_MAX_BO_PRIORITY 16U +#define TTM_MAX_BO_PRIORITY 4U struct ttm_backend_func { /** -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx