On Tue, Dec 08, 2015 at 04:51:16PM +0000, Dave Gordon wrote: > In various places, a GEM object is filled with data by means of CPU > writes. In such cases, the object should be marked dirty, to ensure that > the data is not discarded if the object is evicted under memory > pressure. > > This incorporates and supercedes Alex Dai's earlier patch > [PATCH v1] drm/i915/guc: Fix a fw content lost issue after it is evicted > > Signed-off-by: Dave Gordon <[email protected]> > Cc: Chris Wilson <[email protected]> > Cc: Alex Dai <[email protected]> > --- > drivers/gpu/drm/i915/i915_cmd_parser.c | 1 + > drivers/gpu/drm/i915/i915_gem.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c > b/drivers/gpu/drm/i915/i915_cmd_parser.c > index 814d894..292bd5d 100644 > --- a/drivers/gpu/drm/i915/i915_cmd_parser.c > +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c > @@ -945,6 +945,7 @@ static u32 *copy_batch(struct drm_i915_gem_object > *dest_obj, > drm_clflush_virt_range(src, batch_len); > > memcpy(dst, src, batch_len); > + dest_obj->dirty = 1;
There is no bug here. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
