* [PATCH] drm/vmwgfx: Reserve fence slots on buffer objects in cotables
@ 2022-04-22 16:13 Zack Rusin
2022-04-22 19:23 ` Christian König
0 siblings, 1 reply; 2+ messages in thread
From: Zack Rusin @ 2022-04-22 16:13 UTC (permalink / raw)
To: dri-devel; +Cc: krastevm, Christian König, mombasawalam
From: Zack Rusin <zackr@vmware.com>
The buffer objects created by cotables were missing fence reservations.
They are created from vmw_validation_res_validate which makes them miss
the ttm_eu_reserve_buffers which is called from vmw_validation_bo_reserve.
Cotables are the only resources which create a buffer object in the
create callback so make sure the code also reserves the slots.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Fixes: c8d4c18bfbc4 ("dma-buf/drivers: make reserving a shared slot mandatory v4")
---
drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 16f986b6cbea..79b30dc9d825 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -478,6 +478,10 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
vmw_bo_unreference(&old_buf);
res->id = vcotbl->type;
+ ret = dma_resv_reserve_fences(bo->base.resv, 1);
+ if (unlikely(ret))
+ goto out_wait;
+
/* Release the pin acquired in vmw_bo_init */
ttm_bo_unpin(bo);
--
2.32.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/vmwgfx: Reserve fence slots on buffer objects in cotables
2022-04-22 16:13 [PATCH] drm/vmwgfx: Reserve fence slots on buffer objects in cotables Zack Rusin
@ 2022-04-22 19:23 ` Christian König
0 siblings, 0 replies; 2+ messages in thread
From: Christian König @ 2022-04-22 19:23 UTC (permalink / raw)
To: Zack Rusin, dri-devel; +Cc: krastevm, mombasawalam
Am 22.04.22 um 18:13 schrieb Zack Rusin:
> From: Zack Rusin <zackr@vmware.com>
>
> The buffer objects created by cotables were missing fence reservations.
> They are created from vmw_validation_res_validate which makes them miss
> the ttm_eu_reserve_buffers which is called from vmw_validation_bo_reserve.
>
> Cotables are the only resources which create a buffer object in the
> create callback so make sure the code also reserves the slots.
>
> Signed-off-by: Zack Rusin <zackr@vmware.com>
> Fixes: c8d4c18bfbc4 ("dma-buf/drivers: make reserving a shared slot mandatory v4")
Reviewed-by: Christian König <christian.koenig@amd.com>
> ---
> drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
> index 16f986b6cbea..79b30dc9d825 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
> @@ -478,6 +478,10 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
> vmw_bo_unreference(&old_buf);
> res->id = vcotbl->type;
>
> + ret = dma_resv_reserve_fences(bo->base.resv, 1);
> + if (unlikely(ret))
> + goto out_wait;
> +
> /* Release the pin acquired in vmw_bo_init */
> ttm_bo_unpin(bo);
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-04-22 19:24 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-22 16:13 [PATCH] drm/vmwgfx: Reserve fence slots on buffer objects in cotables Zack Rusin
2022-04-22 19:23 ` Christian König
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.