Add i915_ggtt_require_binder() to indicate that i915
needs to create binder context which will be used
by subsequent patch to enable i915_address_space vfuncs
that will use GPU commands to update GGTT.
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Reviewed-by: Oak Zeng <oak.zeng@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 +-
drivers/gpu/drm/i915/gt/intel_gtt.c | 4 ++++
drivers/gpu/drm/i915/gt/intel_gtt.h | 2 ++
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 0a58fe812ec5..9d44ca70fef5 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1477,7 +1477,7 @@ static int engine_init_common(struct intel_engine_cs *engine)
* engines as well but BCS should be less busy engine so pick that for
* GGTT updates.
*/
- if (engine->id == BCS0) {
+ if (i915_ggtt_require_binder(engine->i915) && engine->id == BCS0) {
bce = create_ggtt_bind_context(engine);
if (IS_ERR(bce)) {
intel_engine_destroy_pinned_context(ce);
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c
index 13944a14ea2d..4c89eb8d9af7 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.c
@@ -21,6 +21,10 @@
#include "intel_gt_regs.h"
#include "intel_gtt.h"
+bool i915_ggtt_require_binder(struct drm_i915_private *i915)
+{
+ return false;
+}
static bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *i915)
{
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.h b/drivers/gpu/drm/i915/gt/intel_gtt.h
index 41e530d0a4e9..b471edac2699 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.h
@@ -691,4 +691,6 @@ static inline struct sgt_dma {
return (struct sgt_dma){ sg, addr, addr + sg_dma_len(sg) };
}
+bool i915_ggtt_require_binder(struct drm_i915_private *i915);
+
#endif
--
2.41.0
