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...+++++ > drivers/gpu/drm/nouveau/nouveau_bo.h | 20 ++++++++++++++++++++ > drivers/gpu/drm/nouveau/nouveau_gem.c | 8 +++++++- > 3 files changed, 59 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c > index b6dc85c614be..0886f47e5244 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_bo.c > +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c > @@ -407,6 +407,8 @@ nouveau_bo_validate(struct nouveau_bo *nvbo, bool interruptible, > { > int ret; > > + nouveau_bo_sync_for_device(nvbo); > + > ret =...

...en calling those functions. --- drivers/gpu/drm/nouveau/nouveau_bo.c | 2 ++ drivers/gpu/drm/nouveau/nouveau_display.c | 17 +++++++++++++---- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index b6dc85c614be..33eb7164525a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1431,6 +1431,8 @@ nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence) struct nouveau_fence *new_fence = nouveau_fence_ref(fence); struct nouveau_fence *old_fence = N...

...32 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_bo.h | 20 ++++++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_gem.c | 8 +++++++- 3 files changed, 59 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index b6dc85c614be..0886f47e5244 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -407,6 +407,8 @@ nouveau_bo_validate(struct nouveau_bo *nvbo, bool interruptible, { int ret; + nouveau_bo_sync_for_device(nvbo); + ret = ttm_bo_validate(&nvbo->bo, &nvbo-&...

This small series introduces TTM helper functions as well as Nouveau hooks that are needed to ensure buffer coherency on ARM. Most of this series is a forward-port of some patches Lucas Stach sent last year and that are also needed for Nouveau GK20A support: http://lists.freedesktop.org/archives/nouveau/2013-August/014026.html Another patch takes care of flushing the CPU write-buffer when

For this v2 I have fixed the patches that are non-controversial (all Lucas' :)) and am resubmitting them in the hope that they will get merged. This will just leave the issue of Nouveau system-memory buffers mapping to be solved. This issue is quite complex, so let me summarize the situation and the data I have at hand. ARM caching is like a quantum world where Murphy's law constantly

...struct nouveau_vma *); void (*flush)(struct nouveau_bar *); + + /* whether the BAR supports to be ioremapped WC or should be uncached */ + bool iomap_uncached; }; static inline struct nouveau_bar * diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index b6dc85c614be..4db886f9f793 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -500,18 +500,25 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, man->default_caching = TTM_PL_FLAG_CACHED; break; case TTM_PL_VRAM: + man->flags = TTM_...

This series depends on the previously posted reservation api patches. 2 of them are not yet in for-next-fences branch of git://git.linaro.org/people/sumit.semwal/linux-3.x.git The missing patches are still in my vmwgfx_wip branch at git://people.freedesktop.org/~mlankhorst/linux All ttm drivers are converted to the fence api, fence_lock is removed and rcu is used in its place. qxl is the first

This series applies on top of the driver-core-next branch of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git Before converting ttm to the new fence interface I had to fix some drivers to require a reservation before poking with fence_obj. After flipping the switch RCU becomes available instead, and the extra reservations can be dropped again. :-) I've done at least basic