diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 75 |
1 files changed, 64 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 2ec2e60dc670..32bf3a408d46 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -499,7 +499,8 @@ void intel_engine_setup_common(struct intel_engine_cs *engine) intel_engine_init_cmd_parser(engine); } -int intel_engine_create_scratch(struct intel_engine_cs *engine, int size) +int intel_engine_create_scratch(struct intel_engine_cs *engine, + unsigned int size) { struct drm_i915_gem_object *obj; struct i915_vma *vma; @@ -533,7 +534,7 @@ err_unref: return ret; } -static void intel_engine_cleanup_scratch(struct intel_engine_cs *engine) +void intel_engine_cleanup_scratch(struct intel_engine_cs *engine) { i915_vma_unpin_and_release(&engine->scratch); } @@ -1077,6 +1078,28 @@ void intel_engines_reset_default_submission(struct drm_i915_private *i915) } /** + * intel_engines_sanitize: called after the GPU has lost power + * @i915: the i915 device + * + * Anytime we reset the GPU, either with an explicit GPU reset or through a + * PCI power cycle, the GPU loses state and we must reset our state tracking + * to match. Note that calling intel_engines_sanitize() if the GPU has not + * been reset results in much confusion! + */ +void intel_engines_sanitize(struct drm_i915_private *i915) +{ + struct intel_engine_cs *engine; + enum intel_engine_id id; + + GEM_TRACE("\n"); + + for_each_engine(engine, i915, id) { + if (engine->reset.reset) + engine->reset.reset(engine, NULL); + } +} + +/** * intel_engines_park: called when the GT is transitioning from busy->idle * @i915: the i915 device * @@ -1168,9 +1191,6 @@ void intel_engine_lost_context(struct intel_engine_cs *engine) lockdep_assert_held(&engine->i915->drm.struct_mutex); - engine->legacy_active_context = NULL; - engine->legacy_active_ppgtt = NULL; - ce = fetch_and_zero(&engine->last_retired_context); if (ce) intel_context_unpin(ce); @@ -1260,7 +1280,7 @@ static void hexdump(struct drm_printer *m, const void *buf, size_t len) rowsize, sizeof(u32), line, sizeof(line), false) >= sizeof(line)); - drm_printf(m, "%08zx %s\n", pos, line); + drm_printf(m, "[%04zx] %s\n", pos, line); prev = buf + pos; skip = false; @@ -1275,6 +1295,8 @@ static void intel_engine_print_registers(const struct intel_engine_cs *engine, &engine->execlists; u64 addr; + if (engine->id == RCS && IS_GEN(dev_priv, 4, 7)) + drm_printf(m, "\tCCID: 0x%08x\n", I915_READ(CCID)); drm_printf(m, "\tRING_START: 0x%08x\n", I915_READ(RING_START(engine->mmio_base))); drm_printf(m, "\tRING_HEAD: 0x%08x\n", @@ -1396,6 +1418,39 @@ static void intel_engine_print_registers(const struct intel_engine_cs *engine, } } +static void print_request_ring(struct drm_printer *m, struct i915_request *rq) +{ + void *ring; + int size; + + drm_printf(m, + "[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]:\n", + rq->head, rq->postfix, rq->tail, + rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u, + rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u); + + size = rq->tail - rq->head; + if (rq->tail < rq->head) + size += rq->ring->size; + + ring = kmalloc(size, GFP_ATOMIC); + if (ring) { + const void *vaddr = rq->ring->vaddr; + unsigned int head = rq->head; + unsigned int len = 0; + + if (rq->tail < head) { + len = rq->ring->size - head; + memcpy(ring, vaddr + head, len); + head = 0; + } + memcpy(ring + len, vaddr + head, size - len); + + hexdump(m, ring, size); + kfree(ring); + } +} + void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m, const char *header, ...) @@ -1446,11 +1501,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, rq = i915_gem_find_active_request(engine); if (rq) { print_request(m, rq, "\t\tactive "); - drm_printf(m, - "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n", - rq->head, rq->postfix, rq->tail, - rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u, - rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u); + drm_printf(m, "\t\tring->start: 0x%08x\n", i915_ggtt_offset(rq->ring->vma)); drm_printf(m, "\t\tring->head: 0x%08x\n", @@ -1461,6 +1512,8 @@ void intel_engine_dump(struct intel_engine_cs *engine, rq->ring->emit); drm_printf(m, "\t\tring->space: 0x%08x\n", rq->ring->space); + + print_request_ring(m, rq); } rcu_read_unlock(); |