From 714fbf80392248170c2e67cd77062e2cab0d8a82 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Wed, 18 Jan 2017 10:31:18 +0800 Subject: [PATCH] drm/amdgpu:set cond_exec polling value to 1 in ring_init MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit no need to set it per ib_schedule(), hw won't override this polling address. Signed-off-by: Monk Liu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 3 --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 4 +++- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 972e84e4344e..38dded50ae8a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -175,9 +175,6 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, if (ring->funcs->emit_hdp_flush) amdgpu_ring_emit_hdp_flush(ring); - /* always set cond_exec_polling to CONTINUE */ - *ring->cond_exe_cpu_addr = 1; - skip_preamble = ring->current_ctx == fence_ctx; need_ctx_switch = ring->current_ctx != fence_ctx; if (job && ring->funcs->emit_cntxcntl) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index a47628395914..7c842b7f1004 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -207,6 +207,8 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, } ring->cond_exe_gpu_addr = adev->wb.gpu_addr + (ring->cond_exe_offs * 4); ring->cond_exe_cpu_addr = &adev->wb.wb[ring->cond_exe_offs]; + /* always set cond_exec_polling to CONTINUE */ + *ring->cond_exe_cpu_addr = 1; r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type); if (r) { @@ -307,7 +309,7 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf, while (size) { if (*pos >= (ring->ring_size + 12)) return result; - + value = ring->ring[(*pos - 12)/4]; r = put_user(value, (uint32_t*)buf); if (r) -- 2.20.1