Quoting Matthew Auld (2020-11-27 12:06:19)
Based on a patch from Michel Thierry.
Signed-off-by: Matthew Auld matthew.auld@intel.com Cc: Joonas Lahtinen joonas.lahtinen@linux.intel.com Cc: Abdiel Janulgue abdiel.janulgue@linux.intel.com
.../drm/i915/gt/intel_execlists_submission.c | 31 ++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c index 582a9044727e..c640b90711fd 100644 --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c @@ -108,6 +108,8 @@ */ #include <linux/interrupt.h>
+#include "gem/i915_gem_lmem.h"
#include "i915_drv.h" #include "i915_perf.h" #include "i915_trace.h" @@ -4660,6 +4662,21 @@ static struct intel_timeline *pinned_timeline(struct intel_context *ce) page_unmask_bits(tl)); }
+static int context_clear_lmem(struct drm_i915_gem_object *ctx_obj) +{
void *vaddr;vaddr = i915_gem_object_pin_map(ctx_obj, I915_MAP_WC);if (IS_ERR(vaddr))return PTR_ERR(vaddr);memset64(vaddr, 0, ctx_obj->base.size / sizeof(u64));i915_gem_object_unpin_map(ctx_obj);
What? We copy over the entire object with the default state. -Chris