Am Mittwoch, den 14.08.2019, 11:59 +0200 schrieb Guido Günther: > Hi, > On Fri, Aug 09, 2019 at 02:04:23PM +0200, Lucas Stach wrote: > > In preparation to having a context per process, etnaviv_gem_mapping_get > > should not use the current GPU context, but needs to be told which > > context to use. > > > > > > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > > > > Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/etnaviv/etnaviv_gem.c | 22 ++++++++++++-------- > > drivers/gpu/drm/etnaviv/etnaviv_gem.h | 3 ++- > > drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 3 ++- > > 3 files changed, 17 insertions(+), 11 deletions(-) > > > > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c > > index 0ccc3c4dffc4..04c8170f76cd 100644 > > --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c > > +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c > > @@ -248,7 +248,8 @@ void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping) > > } > > > > struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( > > > > - struct drm_gem_object *obj, struct etnaviv_gpu *gpu) > > > > + struct drm_gem_object *obj, struct etnaviv_gpu *gpu, > > > > + struct etnaviv_iommu_context *mmu_context) > > { > > > > struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); > > > > struct etnaviv_vram_mapping *mapping; > > @@ -256,7 +257,7 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( > > > > int ret = 0; > > > > > > mutex_lock(&etnaviv_obj->lock); > > > > - mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, gpu->mmu_context); > > > > + mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, mmu_context); > > > > if (mapping) { > > > > /* > > > > * Holding the object lock prevents the use count changing > > @@ -265,12 +266,12 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( > > > > * the MMU owns this mapping to close this race. > > > > */ > > > > if (mapping->use == 0) { > > > > - mutex_lock(&gpu->mmu_context->lock); > > > > - if (mapping->context == gpu->mmu_context) > > > > + mutex_lock(&mmu_context->lock); > > > > + if (mapping->context == mmu_context) > > > > mapping->use += 1; > > > > else > > > > mapping = NULL; > > > > - mutex_unlock(&gpu->mmu_context->lock); > > > > + mutex_unlock(&mmu_context->lock); > > > > if (mapping) > > > > goto out; > > > > } else { > > @@ -303,11 +304,12 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( > > > > list_del(&mapping->obj_node); > > > > } > > > > > > - mapping->context = gpu->mmu_context; > > > > + etnaviv_iommu_context_get(mmu_context); > > > > + mapping->context = mmu_context; > > > > mapping->use = 1; > > > > > > - ret = etnaviv_iommu_map_gem(gpu->mmu_context, etnaviv_obj, > > > > - gpu->memory_base, mapping); > > > > + ret = etnaviv_iommu_map_gem(mmu_context, etnaviv_obj, gpu->memory_base, > > > > + mapping); > > > > if (ret < 0) > > kfree(mapping); > > Does this error path need a etnaviv_iommu_context_put()? Good catch! Thanks, I'll fix this. Regards, Lucas > > apart from that > > > Reviewed-by: Guido Günther <agx@xxxxxxxxxxx> > > -- Guido _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel