> -----Original Message-----
> From: amd-gfx [mailto:[email protected]] On Behalf
> Of Monk Liu
> Sent: Friday, September 30, 2016 1:00 AM
> To: [email protected]
> Cc: Liu, Monk
> Subject: [PATCH] drm/amdgpu:fix exclusive mode game texture blank(v2)
>
> this fix DOTA and other exclusive & full screen game
> textrue blank bug, the root cause is that when no ctx
> switch between two DMAframe, CE go too faster and step
> to the next DMAframe, thus DE and CE are not working on
> the same DAMframe.
>
> Change-Id: I92714a1d434bb05e94220a2db9b4a6113b0c2efc
> Signed-off-by: Monk Liu <[email protected]>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> index 38261a0..4863426 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> @@ -129,6 +129,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring,
> unsigned num_ibs,
>
> unsigned i;
> int r = 0;
> + unsigned extra_nop = 0;
>
> if (num_ibs == 0)
> return -EINVAL;
> @@ -155,6 +156,10 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring,
> unsigned num_ibs,
> alloc_size = amdgpu_ring_get_dma_frame_size(ring) +
> num_ibs * amdgpu_ring_get_emit_ib_size(ring);
>
> + if (job && !job->vm_needs_flush && ring->type ==
> AMDGPU_RING_TYPE_GFX) {
> + extra_nop = 128;
> + }
Don't you need to increase the alloc_size? Also, can we add this to the asic
specific gfx code?
> +
> r = amdgpu_ring_alloc(ring, alloc_size);
> if (r) {
> dev_err(adev->dev, "scheduling IB failed (%d).\n", r);
> @@ -165,6 +170,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring,
> unsigned num_ibs,
> patch_offset = amdgpu_ring_init_cond_exec(ring);
>
> if (vm) {
> + amdgpu_ring_insert_nop(ring, extra_nop); /* prevent CE go
> too fast than DE */
> +
> r = amdgpu_vm_flush(ring, job);
> if (r) {
> amdgpu_ring_undo(ring);
> --
> 1.9.1
>
> _______________________________________________
> amd-gfx mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
