Am 17.09.2014 um 14:35 schrieb Maarten Lankhorst: > Not the whole world is a radeon! :-) > > Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com> > --- > drivers/gpu/drm/radeon/cik.c | 2 +- > drivers/gpu/drm/radeon/cik_sdma.c | 2 +- > drivers/gpu/drm/radeon/evergreen_dma.c | 2 +- > drivers/gpu/drm/radeon/r600.c | 2 +- > drivers/gpu/drm/radeon/r600_dma.c | 2 +- > drivers/gpu/drm/radeon/radeon.h | 7 ++++--- > drivers/gpu/drm/radeon/radeon_cs.c | 27 ++++++++++++++++++++------- > drivers/gpu/drm/radeon/radeon_fence.c | 3 +++ > drivers/gpu/drm/radeon/radeon_semaphore.c | 24 ++++++++++++++++++------ > drivers/gpu/drm/radeon/radeon_vm.c | 4 ++-- > drivers/gpu/drm/radeon/rv770_dma.c | 2 +- > drivers/gpu/drm/radeon/si_dma.c | 2 +- > 12 files changed, 54 insertions(+), 25 deletions(-) > > diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c > index 0d761f73a7fa..1440b6e9281e 100644 > --- a/drivers/gpu/drm/radeon/cik.c > +++ b/drivers/gpu/drm/radeon/cik.c > @@ -3993,7 +3993,7 @@ struct radeon_fence *cik_copy_cpdma(struct > radeon_device *rdev, > return ERR_PTR(r); > } > > - radeon_semaphore_sync_resv(sem, resv, false); > + radeon_semaphore_sync_resv(rdev, sem, resv, false, false); > radeon_semaphore_sync_rings(rdev, sem, ring->idx); > > for (i = 0; i < num_loops; i++) { > diff --git a/drivers/gpu/drm/radeon/cik_sdma.c > b/drivers/gpu/drm/radeon/cik_sdma.c > index c01a6100c318..315c595418ec 100644 > --- a/drivers/gpu/drm/radeon/cik_sdma.c > +++ b/drivers/gpu/drm/radeon/cik_sdma.c > @@ -571,7 +571,7 @@ struct radeon_fence *cik_copy_dma(struct radeon_device > *rdev, > return ERR_PTR(r); > } > > - radeon_semaphore_sync_resv(sem, resv, false); > + radeon_semaphore_sync_resv(rdev, sem, resv, false, false); > radeon_semaphore_sync_rings(rdev, sem, ring->idx); > > for (i = 0; i < num_loops; i++) { > diff --git a/drivers/gpu/drm/radeon/evergreen_dma.c > b/drivers/gpu/drm/radeon/evergreen_dma.c > index 946f37d0b469..5a5686792068 100644 > --- a/drivers/gpu/drm/radeon/evergreen_dma.c > +++ b/drivers/gpu/drm/radeon/evergreen_dma.c > @@ -133,7 +133,7 @@ struct radeon_fence *evergreen_copy_dma(struct > radeon_device *rdev, > return ERR_PTR(r); > } > > - radeon_semaphore_sync_resv(sem, resv, false); > + radeon_semaphore_sync_resv(rdev, sem, resv, false, false); > radeon_semaphore_sync_rings(rdev, sem, ring->idx); > > for (i = 0; i < num_loops; i++) { > diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c > index 25f367ac4637..35c22ee9bc4a 100644 > --- a/drivers/gpu/drm/radeon/r600.c > +++ b/drivers/gpu/drm/radeon/r600.c > @@ -2912,7 +2912,7 @@ struct radeon_fence *r600_copy_cpdma(struct > radeon_device *rdev, > return ERR_PTR(r); > } > > - radeon_semaphore_sync_resv(sem, resv, false); > + radeon_semaphore_sync_resv(rdev, sem, resv, false, false); > radeon_semaphore_sync_rings(rdev, sem, ring->idx); > > radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); > diff --git a/drivers/gpu/drm/radeon/r600_dma.c > b/drivers/gpu/drm/radeon/r600_dma.c > index fc54224ce87b..674af8db7a35 100644 > --- a/drivers/gpu/drm/radeon/r600_dma.c > +++ b/drivers/gpu/drm/radeon/r600_dma.c > @@ -470,7 +470,7 @@ struct radeon_fence *r600_copy_dma(struct radeon_device > *rdev, > return ERR_PTR(r); > } > > - radeon_semaphore_sync_resv(sem, resv, false); > + radeon_semaphore_sync_resv(rdev, sem, resv, false, false); > radeon_semaphore_sync_rings(rdev, sem, ring->idx); > > for (i = 0; i < num_loops; i++) { > diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h > index 9aa75c1af4f4..6cdc5e62fe12 100644 > --- a/drivers/gpu/drm/radeon/radeon.h > +++ b/drivers/gpu/drm/radeon/radeon.h > @@ -587,9 +587,10 @@ bool radeon_semaphore_emit_wait(struct radeon_device > *rdev, int ring, > struct radeon_semaphore *semaphore); > void radeon_semaphore_sync_fence(struct radeon_semaphore *semaphore, > struct radeon_fence *fence); > -void radeon_semaphore_sync_resv(struct radeon_semaphore *semaphore, > - struct reservation_object *resv, > - bool shared); > +int radeon_semaphore_sync_resv(struct radeon_device *rdev, > + struct radeon_semaphore *semaphore, > + struct reservation_object *resv, > + bool shared, bool intr); > int radeon_semaphore_sync_rings(struct radeon_device *rdev, > struct radeon_semaphore *semaphore, > int waiting_ring); > diff --git a/drivers/gpu/drm/radeon/radeon_cs.c > b/drivers/gpu/drm/radeon/radeon_cs.c > index f662de41ba49..a4a608c8b1ba 100644 > --- a/drivers/gpu/drm/radeon/radeon_cs.c > +++ b/drivers/gpu/drm/radeon/radeon_cs.c > @@ -249,20 +249,21 @@ static int radeon_cs_get_ring(struct radeon_cs_parser > *p, u32 ring, s32 priority > return 0; > } > > -static void radeon_cs_sync_rings(struct radeon_cs_parser *p) > +static int radeon_cs_sync_rings(struct radeon_cs_parser *p) > { > - int i; > + int i, r = 0; > > - for (i = 0; i < p->nrelocs; i++) { > + for (i = 0; !r && i < p->nrelocs; i++) { > struct reservation_object *resv; > > if (!p->relocs[i].robj) > continue; > > resv = p->relocs[i].robj->tbo.resv; > - radeon_semaphore_sync_resv(p->ib.semaphore, resv, > - p->relocs[i].tv.shared); > + r = radeon_semaphore_sync_resv(p->rdev, p->ib.semaphore, resv, > + p->relocs[i].tv.shared, true);
Break on the first error? > } > + return r; > } > > /* XXX: note that this is called from the legacy UMS CS ioctl as well */ > @@ -472,13 +473,19 @@ static int radeon_cs_ib_chunk(struct radeon_device > *rdev, > return r; > } > > + r = radeon_cs_sync_rings(parser); > + if (r) { > + if (r != -ERESTARTSYS) > + DRM_ERROR("Failed to sync rings: %i\n", r); > + return r; > + } > + > if (parser->ring == R600_RING_TYPE_UVD_INDEX) > radeon_uvd_note_usage(rdev); > else if ((parser->ring == TN_RING_TYPE_VCE1_INDEX) || > (parser->ring == TN_RING_TYPE_VCE2_INDEX)) > radeon_vce_note_usage(rdev); > > - radeon_cs_sync_rings(parser); > r = radeon_ib_schedule(rdev, &parser->ib, NULL, true); > if (r) { > DRM_ERROR("Failed to schedule IB !\n"); > @@ -565,7 +572,13 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device > *rdev, > if (r) { > goto out; > } > - radeon_cs_sync_rings(parser); > + > + r = radeon_cs_sync_rings(parser); > + if (r) { > + if (r != -ERESTARTSYS) > + DRM_ERROR("Failed to sync rings: %i\n", r); > + goto out; > + } > radeon_semaphore_sync_fence(parser->ib.semaphore, vm->fence); > > if ((rdev->family >= CHIP_TAHITI) && > diff --git a/drivers/gpu/drm/radeon/radeon_fence.c > b/drivers/gpu/drm/radeon/radeon_fence.c > index af9f2d6bd7d0..0262fe2580d2 100644 > --- a/drivers/gpu/drm/radeon/radeon_fence.c > +++ b/drivers/gpu/drm/radeon/radeon_fence.c > @@ -541,6 +541,9 @@ int radeon_fence_wait(struct radeon_fence *fence, bool > intr) > uint64_t seq[RADEON_NUM_RINGS] = {}; > long r; > > + if (unlikely(!to_radeon_fence(&fence->base))) > + return fence_wait(&fence->base, intr); > + > seq[fence->ring] = fence->seq; > r = radeon_fence_wait_seq_timeout(fence->rdev, seq, intr, > MAX_SCHEDULE_TIMEOUT); > if (r < 0) { > diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c > b/drivers/gpu/drm/radeon/radeon_semaphore.c > index 4d4b0773638a..68311da39c09 100644 > --- a/drivers/gpu/drm/radeon/radeon_semaphore.c > +++ b/drivers/gpu/drm/radeon/radeon_semaphore.c > @@ -124,27 +124,39 @@ void radeon_semaphore_sync_fence(struct > radeon_semaphore *semaphore, > * > * Sync to the fence using this semaphore object > */ > -void radeon_semaphore_sync_resv(struct radeon_semaphore *sema, > - struct reservation_object *resv, > - bool shared) > +int radeon_semaphore_sync_resv(struct radeon_device *rdev, > + struct radeon_semaphore *sema, > + struct reservation_object *resv, > + bool shared, bool intr) > { > struct reservation_object_list *flist; > struct fence *f; > + struct radeon_fence *fence; > unsigned i; > + int r = 0; > > /* always sync to the exclusive fence */ > f = reservation_object_get_excl(resv); > - radeon_semaphore_sync_fence(sema, (struct radeon_fence*)f); > + fence = f ? to_radeon_fence(f) : NULL; > + if (fence && fence->rdev == rdev) > + radeon_semaphore_sync_fence(sema, fence); > + else if (f) > + r = fence_wait(f, intr); Error handling? If anything goes wrong while waiting on the exclusive fence we would overwrite the error with the result of the shared fences. > > flist = reservation_object_get_list(resv); > if (shared || !flist) > - return; > + return r; > > for (i = 0; i < flist->shared_count; ++i) { > f = rcu_dereference_protected(flist->shared[i], > reservation_object_held(resv)); > - radeon_semaphore_sync_fence(sema, (struct radeon_fence*)f); > + fence = to_radeon_fence(f); > + if (fence && fence->rdev == rdev) > + radeon_semaphore_sync_fence(sema, fence); > + else if (!r) > + r = fence_wait(f, intr); Again break on the first error. > } Maybe print the error that something went wrong here instead. Apart from that approach look good to me, Christian. > + return r; > } > > /** > diff --git a/drivers/gpu/drm/radeon/radeon_vm.c > b/drivers/gpu/drm/radeon/radeon_vm.c > index ce870959dff8..f6e76c18d7eb 100644 > --- a/drivers/gpu/drm/radeon/radeon_vm.c > +++ b/drivers/gpu/drm/radeon/radeon_vm.c > @@ -698,7 +698,7 @@ int radeon_vm_update_page_directory(struct radeon_device > *rdev, > if (ib.length_dw != 0) { > radeon_asic_vm_pad_ib(rdev, &ib); > > - radeon_semaphore_sync_resv(ib.semaphore, pd->tbo.resv, false); > + radeon_semaphore_sync_resv(rdev, ib.semaphore, pd->tbo.resv, > false, false); > radeon_semaphore_sync_fence(ib.semaphore, vm->last_id_use); > WARN_ON(ib.length_dw > ndw); > r = radeon_ib_schedule(rdev, &ib, NULL, false); > @@ -825,7 +825,7 @@ static void radeon_vm_update_ptes(struct radeon_device > *rdev, > unsigned nptes; > uint64_t pte; > > - radeon_semaphore_sync_resv(ib->semaphore, pt->tbo.resv, false); > + radeon_semaphore_sync_resv(rdev, ib->semaphore, pt->tbo.resv, > false, false); > > if ((addr & ~mask) == (end & ~mask)) > nptes = end - addr; > diff --git a/drivers/gpu/drm/radeon/rv770_dma.c > b/drivers/gpu/drm/radeon/rv770_dma.c > index c112764adfdf..6ac25027d506 100644 > --- a/drivers/gpu/drm/radeon/rv770_dma.c > +++ b/drivers/gpu/drm/radeon/rv770_dma.c > @@ -67,7 +67,7 @@ struct radeon_fence *rv770_copy_dma(struct radeon_device > *rdev, > return ERR_PTR(r); > } > > - radeon_semaphore_sync_resv(sem, resv, false); > + radeon_semaphore_sync_resv(rdev, sem, resv, false, false); > radeon_semaphore_sync_rings(rdev, sem, ring->idx); > > for (i = 0; i < num_loops; i++) { > diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c > index 9b0dfbc913f3..381ce21dea2d 100644 > --- a/drivers/gpu/drm/radeon/si_dma.c > +++ b/drivers/gpu/drm/radeon/si_dma.c > @@ -252,7 +252,7 @@ struct radeon_fence *si_copy_dma(struct radeon_device > *rdev, > return ERR_PTR(r); > } > > - radeon_semaphore_sync_resv(sem, resv, false); > + radeon_semaphore_sync_resv(rdev, sem, resv, false, false); > radeon_semaphore_sync_rings(rdev, sem, ring->idx); > > for (i = 0; i < num_loops; i++) {