Quoting Chris Wilson (2017-12-17 13:28:51) > A useful bit of information for inspecting GPU stalls from > intel_engine_dump() are the error registers, IPEIR and IPEHR. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_engine_cs.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c > index 510e0bc3a377..05bd9e17452c 100644 > --- a/drivers/gpu/drm/i915/intel_engine_cs.c > +++ b/drivers/gpu/drm/i915/intel_engine_cs.c > @@ -1757,6 +1757,13 @@ void intel_engine_dump(struct intel_engine_cs *engine, > addr = intel_engine_get_last_batch_head(engine); > drm_printf(m, " BBADDR: 0x%08x_%08x\n", > upper_32_bits(addr), lower_32_bits(addr)); > + addr = I915_READ(RING_DMA_FADD(engine->mmio_base)); if (GEN >= 8) addr |= (u64)I915_READ(RING_DMA_FADD_UDW) << 32; -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
