[PATCH 08/67] drm/i915/gt: Move submission_method into intel_gt
Chris Wilson
chris at chris-wilson.co.uk
Sun Jan 31 21:36:11 UTC 2021
Since we setup the submission method for the engines once, it is easy to
assign an enum and use that instead of probing into the backends.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 8 +++++++-
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 12 ++++++++----
drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 8 --------
drivers/gpu/drm/i915/gt/intel_execlists_submission.h | 3 ---
drivers/gpu/drm/i915/gt/intel_gt_types.h | 7 +++++++
drivers/gpu/drm/i915/gt/intel_reset.c | 7 +++----
drivers/gpu/drm/i915/gt/selftest_execlists.c | 2 +-
drivers/gpu/drm/i915/gt/selftest_ring_submission.c | 2 +-
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 5 -----
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h | 1 -
drivers/gpu/drm/i915/i915_perf.c | 10 +++++-----
11 files changed, 32 insertions(+), 33 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index 47ee8578e511..8d9184920c51 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -13,8 +13,9 @@
#include "i915_reg.h"
#include "i915_request.h"
#include "i915_selftest.h"
-#include "gt/intel_timeline.h"
#include "intel_engine_types.h"
+#include "intel_gt_types.h"
+#include "intel_timeline.h"
#include "intel_workarounds.h"
struct drm_printer;
@@ -262,6 +263,11 @@ void intel_engine_init_active(struct intel_engine_cs *engine,
#define ENGINE_MOCK 1
#define ENGINE_VIRTUAL 2
+static inline bool intel_engine_uses_guc(const struct intel_engine_cs *engine)
+{
+ return engine->gt->submission_method >= INTEL_SUBMISSION_GUC;
+}
+
static inline bool
intel_engine_has_preempt_reset(const struct intel_engine_cs *engine)
{
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 727128c0166a..3d1bf6b3c3bf 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -891,12 +891,16 @@ int intel_engines_init(struct intel_gt *gt)
enum intel_engine_id id;
int err;
- if (intel_uc_uses_guc_submission(>->uc))
+ if (intel_uc_uses_guc_submission(>->uc)) {
+ gt->submission_method = INTEL_SUBMISSION_GUC;
setup = intel_guc_submission_setup;
- else if (HAS_EXECLISTS(gt->i915))
+ } else if (HAS_EXECLISTS(gt->i915)) {
+ gt->submission_method = INTEL_SUBMISSION_ELSP;
setup = intel_execlists_submission_setup;
- else
+ } else {
+ gt->submission_method = INTEL_SUBMISSION_RING;
setup = intel_ring_submission_setup;
+ }
for_each_engine(engine, gt, id) {
err = engine_setup_common(engine);
@@ -1461,7 +1465,7 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine,
drm_printf(m, "\tIPEHR: 0x%08x\n", ENGINE_READ(engine, IPEHR));
}
- if (intel_engine_in_guc_submission_mode(engine)) {
+ if (intel_engine_uses_guc(engine)) {
/* nothing to print yet */
} else if (HAS_EXECLISTS(dev_priv)) {
struct i915_request * const *port, *rq;
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index 5d824e1cfcba..4ddd2099a931 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -1757,7 +1757,6 @@ process_csb(struct intel_engine_cs *engine, struct i915_request **inactive)
*/
GEM_BUG_ON(!tasklet_is_locked(&execlists->tasklet) &&
!reset_in_progress(execlists));
- GEM_BUG_ON(!intel_engine_in_execlists_submission_mode(engine));
/*
* Note that csb_write, csb_status may be either in HWSP or mmio.
@@ -3897,13 +3896,6 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine,
spin_unlock_irqrestore(&engine->active.lock, flags);
}
-bool
-intel_engine_in_execlists_submission_mode(const struct intel_engine_cs *engine)
-{
- return engine->set_default_submission ==
- execlists_set_default_submission;
-}
-
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftest_execlists.c"
#endif
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.h b/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
index a8fd7adefd82..f7bd3fccfee8 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
@@ -41,7 +41,4 @@ int intel_virtual_engine_attach_bond(struct intel_engine_cs *engine,
const struct intel_engine_cs *master,
const struct intel_engine_cs *sibling);
-bool
-intel_engine_in_execlists_submission_mode(const struct intel_engine_cs *engine);
-
#endif /* __INTEL_EXECLISTS_SUBMISSION_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index 91d20daca536..626af37c7790 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -29,6 +29,12 @@ struct i915_ggtt;
struct intel_engine_cs;
struct intel_uncore;
+enum intel_submission_method {
+ INTEL_SUBMISSION_RING,
+ INTEL_SUBMISSION_ELSP,
+ INTEL_SUBMISSION_GUC,
+};
+
struct intel_gt {
struct drm_i915_private *i915;
struct intel_uncore *uncore;
@@ -108,6 +114,7 @@ struct intel_gt {
struct intel_engine_cs *engine[I915_NUM_ENGINES];
struct intel_engine_cs *engine_class[MAX_ENGINE_CLASS + 1]
[MAX_ENGINE_INSTANCE + 1];
+ enum intel_submission_method submission_method;
/*
* Default address space (either GGTT or ppGTT depending on arch).
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index a82c4d7b23bc..4a8f982a1a4f 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -1113,7 +1113,6 @@ static int intel_gt_reset_engine(struct intel_engine_cs *engine)
int __intel_engine_reset_bh(struct intel_engine_cs *engine, const char *msg)
{
struct intel_gt *gt = engine->gt;
- bool uses_guc = intel_engine_in_guc_submission_mode(engine);
int ret;
ENGINE_TRACE(engine, "flags=%lx\n", gt->reset.flags);
@@ -1129,10 +1128,10 @@ int __intel_engine_reset_bh(struct intel_engine_cs *engine, const char *msg)
"Resetting %s for %s\n", engine->name, msg);
atomic_inc(&engine->i915->gpu_error.reset_engine_count[engine->uabi_class]);
- if (!uses_guc)
- ret = intel_gt_reset_engine(engine);
- else
+ if (intel_engine_uses_guc(engine))
ret = intel_guc_reset_engine(&engine->gt->uc.guc, engine);
+ else
+ ret = intel_gt_reset_engine(engine);
if (ret) {
/* If we fail here, we expect to fallback to a global reset */
ENGINE_TRACE(engine, "Failed to reset, err: %d\n", ret);
diff --git a/drivers/gpu/drm/i915/gt/selftest_execlists.c b/drivers/gpu/drm/i915/gt/selftest_execlists.c
index 5d7fac383add..9304a35384aa 100644
--- a/drivers/gpu/drm/i915/gt/selftest_execlists.c
+++ b/drivers/gpu/drm/i915/gt/selftest_execlists.c
@@ -4715,7 +4715,7 @@ int intel_execlists_live_selftests(struct drm_i915_private *i915)
SUBTEST(live_virtual_reset),
};
- if (!HAS_EXECLISTS(i915))
+ if (i915->gt.submission_method != INTEL_SUBMISSION_ELSP)
return 0;
if (intel_gt_is_wedged(&i915->gt))
diff --git a/drivers/gpu/drm/i915/gt/selftest_ring_submission.c b/drivers/gpu/drm/i915/gt/selftest_ring_submission.c
index 3350e7c995bc..6cd9f6bc240c 100644
--- a/drivers/gpu/drm/i915/gt/selftest_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/selftest_ring_submission.c
@@ -291,7 +291,7 @@ int intel_ring_submission_live_selftests(struct drm_i915_private *i915)
SUBTEST(live_ctx_switch_wa),
};
- if (HAS_EXECLISTS(i915))
+ if (i915->gt.submission_method > INTEL_SUBMISSION_RING)
return 0;
return intel_gt_live_subtests(tests, &i915->gt);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index f72faa0b8339..17b551a0c89f 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -745,8 +745,3 @@ void intel_guc_submission_init_early(struct intel_guc *guc)
{
guc->submission_selected = __guc_submission_selected(guc);
}
-
-bool intel_engine_in_guc_submission_mode(const struct intel_engine_cs *engine)
-{
- return engine->set_default_submission == guc_set_default_submission;
-}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
index 5f7b9e6347d0..3f7005018939 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
@@ -20,7 +20,6 @@ void intel_guc_submission_fini(struct intel_guc *guc);
int intel_guc_preempt_work_create(struct intel_guc *guc);
void intel_guc_preempt_work_destroy(struct intel_guc *guc);
int intel_guc_submission_setup(struct intel_engine_cs *engine);
-bool intel_engine_in_guc_submission_mode(const struct intel_engine_cs *engine);
static inline bool intel_guc_submission_is_supported(struct intel_guc *guc)
{
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 112ba5f2ce90..89665e14ab01 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1273,11 +1273,7 @@ static int oa_get_render_ctx_id(struct i915_perf_stream *stream)
case 8:
case 9:
case 10:
- if (intel_engine_in_execlists_submission_mode(ce->engine)) {
- stream->specific_ctx_id_mask =
- (1U << GEN8_CTX_ID_WIDTH) - 1;
- stream->specific_ctx_id = stream->specific_ctx_id_mask;
- } else {
+ if (intel_engine_uses_guc(ce->engine)) {
/*
* When using GuC, the context descriptor we write in
* i915 is read by GuC and rewritten before it's
@@ -1296,6 +1292,10 @@ static int oa_get_render_ctx_id(struct i915_perf_stream *stream)
*/
stream->specific_ctx_id_mask =
(1U << (GEN8_CTX_ID_WIDTH - 1)) - 1;
+ } else {
+ stream->specific_ctx_id_mask =
+ (1U << GEN8_CTX_ID_WIDTH) - 1;
+ stream->specific_ctx_id = stream->specific_ctx_id_mask;
}
break;
--
2.20.1
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