diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index afcb1f189162..d6b67be4715d 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -325,6 +325,7 @@ static u64 execlists_update_context(struct drm_i915_gem_request *rq) rq->ctx->ppgtt ?: rq->i915->mm.aliasing_ppgtt; u32 *reg_state = ce->lrc_reg_state; + GEM_BUG_ON(!IS_ALIGNED(rq->tail, 8)); reg_state[CTX_RING_TAIL+1] = rq->tail; /* True 32b PPGTT with dynamic page allocation: update PDP @@ -1283,6 +1284,7 @@ static void reset_common_ring(struct intel_engine_cs *engine, /* Reset WaIdleLiteRestore:bdw,skl as well */ request->tail = request->wa_tail - WA_TAIL_DWORDS * sizeof(u32); + GEM_BUG_ON(!IS_ALIGNED(request->tail, 8)); } static int intel_logical_ring_emit_pdps(struct drm_i915_gem_request *req) @@ -1494,6 +1496,7 @@ static void gen8_emit_breadcrumb(struct drm_i915_gem_request *request, u32 *cs) *cs++ = MI_USER_INTERRUPT; *cs++ = MI_NOOP; request->tail = intel_ring_offset(request, cs); + GEM_BUG_ON(!IS_ALIGNED(request->tail, 8)); gen8_emit_wa_tail(request, cs); } @@ -1521,6 +1524,7 @@ static void gen8_emit_breadcrumb_render(struct drm_i915_gem_request *request, *cs++ = MI_USER_INTERRUPT; *cs++ = MI_NOOP; request->tail = intel_ring_offset(request, cs); + GEM_BUG_ON(!IS_ALIGNED(request->tail, 8)); gen8_emit_wa_tail(request, cs); } |
