[igt-dev] [PATCH i-g-t] i915: Improve static engine map for legacy
Chris Wilson
chris at chris-wilson.co.uk
Thu May 23 08:06:49 UTC 2019
We need to keep igt working on linus and dif, or Joonas gets very upset.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Cc: Andi Shyti <andi.shyti at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
lib/i915/gem_context.c | 2 +-
lib/i915/gem_engine_topology.c | 15 +++-------
lib/igt_gt.c | 54 ++++------------------------------
lib/igt_gt.h | 17 -----------
tests/i915/gem_ctx_isolation.c | 21 +++++--------
tools/intel_reg.c | 4 +--
6 files changed, 19 insertions(+), 94 deletions(-)
diff --git a/lib/i915/gem_context.c b/lib/i915/gem_context.c
index f94d89cb4..07ab78174 100644
--- a/lib/i915/gem_context.c
+++ b/lib/i915/gem_context.c
@@ -290,7 +290,7 @@ bool gem_context_has_engine(int fd, uint32_t ctx, uint64_t engine)
* wouldn't produce any result.
*/
if ((engine & ~(3<<13)) == I915_EXEC_BSD) {
- if (engine & (3 << 13) && !gem_has_bsd2(fd))
+ if (engine & (2 << 13) && !gem_has_bsd2(fd))
return false;
}
diff --git a/lib/i915/gem_engine_topology.c b/lib/i915/gem_engine_topology.c
index d0c8bd5aa..fdd1b9516 100644
--- a/lib/i915/gem_engine_topology.c
+++ b/lib/i915/gem_engine_topology.c
@@ -223,22 +223,15 @@ struct intel_engine_data intel_init_engine_list(int fd, uint32_t ctx_id)
struct intel_execution_engine2 *__e2 =
&engine_data.engines[engine_data.nengines];
- if (!igt_only_list_subtests()) {
- __e2->flags = gem_class_instance_to_eb_flags(fd,
- e2->class, e2->instance);
-
- if (!gem_has_ring(fd, __e2->flags))
- continue;
- } else {
- __e2->flags = -1; /* 0xfff... */
- }
-
__e2->name = e2->name;
__e2->instance = e2->instance;
__e2->class = e2->class;
+ __e2->flags = e2->flags;
__e2->is_virtual = false;
- engine_data.nengines++;
+ if (igt_only_list_subtests() ||
+ gem_has_ring(fd, e2->flags))
+ engine_data.nengines++;
}
return engine_data;
}
diff --git a/lib/igt_gt.c b/lib/igt_gt.c
index 6b7c037e6..78e3cd089 100644
--- a/lib/igt_gt.c
+++ b/lib/igt_gt.c
@@ -585,12 +585,12 @@ bool gem_can_store_dword(int fd, unsigned int engine)
}
const struct intel_execution_engine2 intel_execution_engines2[] = {
- { "rcs0", I915_ENGINE_CLASS_RENDER, 0 },
- { "bcs0", I915_ENGINE_CLASS_COPY, 0 },
- { "vcs0", I915_ENGINE_CLASS_VIDEO, 0 },
- { "vcs1", I915_ENGINE_CLASS_VIDEO, 1 },
- { "vcs2", I915_ENGINE_CLASS_VIDEO, 2 },
- { "vecs0", I915_ENGINE_CLASS_VIDEO_ENHANCE, 0 },
+ { "rcs0", I915_ENGINE_CLASS_RENDER, 0, I915_EXEC_RENDER },
+ { "bcs0", I915_ENGINE_CLASS_COPY, 0, I915_EXEC_BLT },
+ { "vcs0", I915_ENGINE_CLASS_VIDEO, 0, I915_EXEC_BSD | I915_EXEC_BSD_RING1 },
+ { "vcs1", I915_ENGINE_CLASS_VIDEO, 1, I915_EXEC_BSD | I915_EXEC_BSD_RING2 },
+ { "vcs2", I915_ENGINE_CLASS_VIDEO, 2, -1 },
+ { "vecs0", I915_ENGINE_CLASS_VIDEO_ENHANCE, 0, I915_EXEC_VEBOX },
{ }
};
@@ -611,48 +611,6 @@ int gem_execbuf_flags_to_engine_class(unsigned int flags)
}
}
-unsigned int
-gem_class_instance_to_eb_flags(int gem_fd,
- enum drm_i915_gem_engine_class class,
- unsigned int instance)
-{
- if (class != I915_ENGINE_CLASS_VIDEO)
- igt_assert(instance == 0);
- else
- igt_assert(instance >= 0 && instance <= 1);
-
- switch (class) {
- case I915_ENGINE_CLASS_RENDER:
- return I915_EXEC_RENDER;
- case I915_ENGINE_CLASS_COPY:
- return I915_EXEC_BLT;
- case I915_ENGINE_CLASS_VIDEO:
- if (instance == 0) {
- if (gem_has_bsd2(gem_fd))
- return I915_EXEC_BSD | I915_EXEC_BSD_RING1;
- else
- return I915_EXEC_BSD;
-
- } else {
- return I915_EXEC_BSD | I915_EXEC_BSD_RING2;
- }
- case I915_ENGINE_CLASS_VIDEO_ENHANCE:
- return I915_EXEC_VEBOX;
- case I915_ENGINE_CLASS_INVALID:
- default:
- igt_assert(0);
- };
-}
-
-bool gem_has_engine(int gem_fd,
- enum drm_i915_gem_engine_class class,
- unsigned int instance)
-{
- return gem_has_ring(gem_fd,
- gem_class_instance_to_eb_flags(gem_fd, class,
- instance));
-}
-
bool gem_ring_is_physical_engine(int fd, unsigned ring)
{
if (ring == I915_EXEC_DEFAULT)
diff --git a/lib/igt_gt.h b/lib/igt_gt.h
index 77318e2a8..73b5002a0 100644
--- a/lib/igt_gt.h
+++ b/lib/igt_gt.h
@@ -102,21 +102,4 @@ extern const struct intel_execution_engine2 {
int gem_execbuf_flags_to_engine_class(unsigned int flags);
-unsigned int
-gem_class_instance_to_eb_flags(int gem_fd,
- enum drm_i915_gem_engine_class class,
- unsigned int instance);
-
-bool gem_has_engine(int gem_fd,
- enum drm_i915_gem_engine_class class,
- unsigned int instance);
-
-static inline
-void gem_require_engine(int gem_fd,
- enum drm_i915_gem_engine_class class,
- unsigned int instance)
-{
- igt_require(gem_has_engine(gem_fd, class, instance));
-}
-
#endif /* IGT_GT_H */
diff --git a/tests/i915/gem_ctx_isolation.c b/tests/i915/gem_ctx_isolation.c
index bcd0f4812..5b054c81d 100644
--- a/tests/i915/gem_ctx_isolation.c
+++ b/tests/i915/gem_ctx_isolation.c
@@ -321,8 +321,7 @@ static uint32_t read_regs(int fd,
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = to_user_pointer(obj);
execbuf.buffer_count = 2;
- execbuf.flags =
- gem_class_instance_to_eb_flags(fd, e->class, e->instance);
+ execbuf.flags = e->flags;
execbuf.rsvd1 = ctx;
gem_execbuf(fd, &execbuf);
gem_close(fd, obj[1].handle);
@@ -377,8 +376,7 @@ static void write_regs(int fd,
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = to_user_pointer(&obj);
execbuf.buffer_count = 1;
- execbuf.flags =
- gem_class_instance_to_eb_flags(fd, e->class, e->instance);
+ execbuf.flags = e->flags;
execbuf.rsvd1 = ctx;
gem_execbuf(fd, &execbuf);
gem_close(fd, obj.handle);
@@ -448,8 +446,7 @@ static void restore_regs(int fd,
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = to_user_pointer(obj);
execbuf.buffer_count = 2;
- execbuf.flags =
- gem_class_instance_to_eb_flags(fd, e->class, e->instance);
+ execbuf.flags = e->flags;
execbuf.rsvd1 = ctx;
gem_execbuf(fd, &execbuf);
gem_close(fd, obj[1].handle);
@@ -559,8 +556,7 @@ static void nonpriv(int fd,
0x0505c0c0,
0xdeadbeef
};
- unsigned int engine =
- gem_class_instance_to_eb_flags(fd, e->class, e->instance);
+ unsigned int engine = e->flags;
unsigned int num_values = ARRAY_SIZE(values);
/* Sigh -- hsw: we need cmdparser access to our own registers! */
@@ -616,9 +612,7 @@ static void isolation(int fd,
0xaaaaaaaa,
0xdeadbeef
};
- unsigned int engine = gem_class_instance_to_eb_flags(fd,
- e->class,
- e->instance);
+ unsigned int engine = e->flags;
unsigned int num_values =
flags & (DIRTY1 | DIRTY2) ? ARRAY_SIZE(values) : 1;
@@ -729,8 +723,7 @@ static void preservation(int fd,
0xdeadbeef
};
const unsigned int num_values = ARRAY_SIZE(values);
- unsigned int engine =
- gem_class_instance_to_eb_flags(fd, e->class, e->instance);
+ unsigned int engine = e->flags;
uint32_t ctx[num_values +1 ];
uint32_t regs[num_values + 1][2];
igt_spin_t *spin;
@@ -840,7 +833,7 @@ igt_main
igt_subtest_group {
igt_fixture {
igt_require(has_context_isolation & (1 << e->class));
- gem_require_engine(fd, e->class, e->instance);
+ gem_require_ring(fd, e->flags);
igt_fork_hang_detector(fd);
}
diff --git a/tools/intel_reg.c b/tools/intel_reg.c
index 1247b70b0..e517956b8 100644
--- a/tools/intel_reg.c
+++ b/tools/intel_reg.c
@@ -329,9 +329,7 @@ static int register_srm(struct config *config, struct reg *reg,
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = to_user_pointer(obj);
execbuf.buffer_count = 2;
- execbuf.flags = gem_class_instance_to_eb_flags(fd,
- engine->class,
- engine->instance);
+ execbuf.flags = engine->flags;
if (secure)
execbuf.flags |= I915_EXEC_SECURE;
--
2.20.1
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