The function msleep(1) can be delay to 10+ ms sometimes, which contributes a big delay during the full access time. Changing msleep(1) to usleep_range(10, 100) and it can reduce about 50ms delay during full access time. Signed-off-by: pengzhou <PengJu.Zhou@xxxxxxx> Change-Id: I151a07c55068d5c429553ef0e6668f024c0c0f3d --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 523d22db094b..ef69051681cf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -282,7 +282,7 @@ psp_cmd_submit_buf(struct psp_context *psp, ras_intr = amdgpu_ras_intr_triggered(); if (ras_intr) break; - msleep(1); + usleep_range(10, 100); amdgpu_asic_invalidate_hdp(psp->adev, NULL); } -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
