Having removed the urge to modify the engine_mask at runtime, we can
promote the num_engines from a runtime calculation to a static and push
it into the device_info tables.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Cc: Jani Nikula <jani.nik...@intel.com>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 3 --
drivers/gpu/drm/i915/gt/intel_ringbuffer.c | 2 +-
drivers/gpu/drm/i915/gt/selftest_lrc.c | 4 +-
drivers/gpu/drm/i915/i915_pci.c | 45 +++++++++----------
drivers/gpu/drm/i915/intel_device_info.h | 3 +-
.../gpu/drm/i915/selftests/i915_gem_context.c | 4 +-
drivers/gpu/drm/i915/selftests/i915_request.c | 2 +-
7 files changed, 27 insertions(+), 36 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 862cf1040f88..b2cd6c6785be 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -383,9 +383,6 @@ int intel_engines_init_mmio(struct drm_i915_private *i915)
goto cleanup;
}
- RUNTIME_INFO(i915)->num_engines =
- hweight32(INTEL_INFO(i915)->engine_mask);
-
i915_check_and_clear_faults(i915);
return 0;
diff --git a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
index 7a4804c47466..2edeedb748ed 100644
--- a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
@@ -1568,7 +1568,7 @@ static inline int mi_set_context(struct i915_request *rq,
u32 flags)
struct intel_engine_cs *engine = rq->engine;
enum intel_engine_id id;
const int num_engines =
- IS_HSW_GT1(i915) ? RUNTIME_INFO(i915)->num_engines - 1 : 0;
+ IS_HSW_GT1(i915) ? INTEL_INFO(i915)->num_engines - 1 : 0;
bool force_restore = false;
int len;
u32 *cs;
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c
b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 84538f69185b..6f223f7facde 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -1185,7 +1185,7 @@ static int smoke_crescendo(struct preempt_smoke *smoke,
unsigned int flags)
pr_info("Submitted %lu crescendo:%x requests across %d engines and %d
contexts\n",
count, flags,
- RUNTIME_INFO(smoke->i915)->num_engines, smoke->ncontext);
+ INTEL_INFO(smoke->i915)->num_engines, smoke->ncontext);
return 0;
}
@@ -1213,7 +1213,7 @@ static int smoke_random(struct preempt_smoke *smoke,
unsigned int flags)
pr_info("Submitted %lu random:%x requests across %d engines and %d
contexts\n",
count, flags,
- RUNTIME_INFO(smoke->i915)->num_engines, smoke->ncontext);
+ INTEL_INFO(smoke->i915)->num_engines, smoke->ncontext);
return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index ffa2ee70a03d..431a4a2c20e1 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -35,6 +35,7 @@
#define PLATFORM(x) .platform = (x)
#define GEN(x) .gen = (x), .gen_mask = BIT((x) - 1)
+#define ENGINES(x) .engine_mask = (x), .num_engines = hweight8(x)
#define I845_PIPE_OFFSETS \
.pipe_offsets = { \
@@ -145,6 +146,7 @@
#define I830_FEATURES \
GEN(2), \
+ ENGINES(BIT(RCS0)), \
.is_mobile = 1, \
.num_pipes = 2, \
.display.has_overlay = 1, \
@@ -154,7 +156,6 @@
.gpu_reset_clobbers_display = true, \
.hws_needs_physical = 1, \
.unfenced_needs_alignment = 1, \
- .engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = false, \
I9XX_PIPE_OFFSETS, \
@@ -164,6 +165,7 @@
#define I845_FEATURES \
GEN(2), \
+ ENGINES(BIT(RCS0)), \
.num_pipes = 1, \
.display.has_overlay = 1, \
.display.overlay_needs_physical = 1, \
@@ -171,7 +173,6 @@
.gpu_reset_clobbers_display = true, \
.hws_needs_physical = 1, \
.unfenced_needs_alignment = 1, \
- .engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = false, \
I845_PIPE_OFFSETS, \
@@ -202,10 +203,10 @@ static const struct intel_device_info intel_i865g_info = {
#define GEN3_FEATURES \
GEN(3), \
+ ENGINES(BIT(RCS0)), \
.num_pipes = 2, \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
- .engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
I9XX_PIPE_OFFSETS, \
@@ -286,11 +287,11 @@ static const struct intel_device_info
intel_pineview_m_info = {
#define GEN4_FEATURES \
GEN(4), \
+ ENGINES(BIT(RCS0)), \
.num_pipes = 2, \
.display.has_hotplug = 1, \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
- .engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
I9XX_PIPE_OFFSETS, \
@@ -320,25 +321,25 @@ static const struct intel_device_info intel_i965gm_info =
{
static const struct intel_device_info intel_g45_info = {
GEN4_FEATURES,
PLATFORM(INTEL_G45),
- .engine_mask = BIT(RCS0) | BIT(VCS0),
+ ENGINES(BIT(RCS0) | BIT(VCS0)),
.gpu_reset_clobbers_display = false,
};
static const struct intel_device_info intel_gm45_info = {
GEN4_FEATURES,
PLATFORM(INTEL_GM45),
+ ENGINES(BIT(RCS0) | BIT(VCS0)),
.is_mobile = 1,
.display.has_fbc = 1,
.display.supports_tv = 1,
- .engine_mask = BIT(RCS0) | BIT(VCS0),
.gpu_reset_clobbers_display = false,
};
#define GEN5_FEATURES \
GEN(5), \
+ ENGINES(BIT(RCS0) | BIT(VCS0)), \
.num_pipes = 2, \
.display.has_hotplug = 1, \
- .engine_mask = BIT(RCS0) | BIT(VCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
/* ilk does support rc6, but we do not implement [power] contexts */ \
@@ -362,10 +363,10 @@ static const struct intel_device_info
intel_ironlake_m_info = {
#define GEN6_FEATURES \
GEN(6), \
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0)), \
.num_pipes = 2, \
.display.has_hotplug = 1, \
.display.has_fbc = 1, \
- .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
.has_coherent_ggtt = true, \
.has_llc = 1, \
.has_rc6 = 1, \
@@ -410,10 +411,10 @@ static const struct intel_device_info
intel_sandybridge_m_gt2_info = {
#define GEN7_FEATURES \
GEN(7), \
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0)), \
.num_pipes = 3, \
.display.has_hotplug = 1, \
.display.has_fbc = 1, \
- .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
.has_coherent_ggtt = true, \
.has_llc = 1, \
.has_rc6 = 1, \
@@ -468,6 +469,7 @@ static const struct intel_device_info
intel_ivybridge_q_info = {
static const struct intel_device_info intel_valleyview_info = {
PLATFORM(INTEL_VALLEYVIEW),
GEN(7),
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0)),
.is_lp = 1,
.num_pipes = 2,
.has_runtime_pm = 1,
@@ -479,7 +481,6 @@ static const struct intel_device_info intel_valleyview_info
= {
.ppgtt_size = 31,
.has_snoop = true,
.has_coherent_ggtt = false,
- .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
.display_mmio_offset = VLV_DISPLAY_BASE,
I9XX_PIPE_OFFSETS,
I9XX_CURSOR_OFFSETS,
@@ -489,7 +490,7 @@ static const struct intel_device_info intel_valleyview_info
= {
#define G75_FEATURES \
GEN7_FEATURES, \
- .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0)), \
.display.has_ddi = 1, \
.has_fpga_dbg = 1, \
.display.has_psr = 1, \
@@ -553,18 +554,17 @@ static const struct intel_device_info
intel_broadwell_rsvd_info = {
static const struct intel_device_info intel_broadwell_gt3_info = {
BDW_PLATFORM,
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)),
.gt = 3,
- .engine_mask =
- BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};
static const struct intel_device_info intel_cherryview_info = {
PLATFORM(INTEL_CHERRYVIEW),
GEN(8),
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0)),
.num_pipes = 3,
.display.has_hotplug = 1,
.is_lp = 1,
- .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
.has_64bit_reloc = 1,
.has_runtime_pm = 1,
.has_rc6 = 1,
@@ -616,9 +616,7 @@ static const struct intel_device_info
intel_skylake_gt2_info = {
#define SKL_GT3_PLUS_PLATFORM \
SKL_PLATFORM, \
- .engine_mask = \
- BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
-
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1))
static const struct intel_device_info intel_skylake_gt3_info = {
SKL_GT3_PLUS_PLATFORM,
@@ -632,9 +630,9 @@ static const struct intel_device_info
intel_skylake_gt4_info = {
#define GEN9_LP_FEATURES \
GEN(9), \
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0)), \
.is_lp = 1, \
.display.has_hotplug = 1, \
- .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
.num_pipes = 3, \
.has_64bit_reloc = 1, \
.display.has_ddi = 1, \
@@ -689,9 +687,8 @@ static const struct intel_device_info
intel_kabylake_gt2_info = {
static const struct intel_device_info intel_kabylake_gt3_info = {
KBL_PLATFORM,
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)),
.gt = 3,
- .engine_mask =
- BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};
#define CFL_PLATFORM \
@@ -710,9 +707,8 @@ static const struct intel_device_info
intel_coffeelake_gt2_info = {
static const struct intel_device_info intel_coffeelake_gt3_info = {
CFL_PLATFORM,
+ ENGINES(BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)),
.gt = 3,
- .engine_mask =
- BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};
#define GEN10_FEATURES \
@@ -754,15 +750,14 @@ static const struct intel_device_info
intel_cannonlake_info = {
static const struct intel_device_info intel_icelake_11_info = {
GEN11_FEATURES,
PLATFORM(INTEL_ICELAKE),
- .engine_mask =
- BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
+ ENGINES(BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2)),
};
static const struct intel_device_info intel_elkhartlake_info = {
GEN11_FEATURES,
PLATFORM(INTEL_ELKHARTLAKE),
+ ENGINES(BIT(RCS0) | BIT(BCS0) | BIT(VCS0)),
.is_alpha_support = 1,
- .engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0),
.ppgtt_size = 36,
};
diff --git a/drivers/gpu/drm/i915/intel_device_info.h
b/drivers/gpu/drm/i915/intel_device_info.h
index 5a2e17d6146b..0deda1efd37d 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -149,6 +149,7 @@ struct intel_device_info {
u8 gen;
u8 gt; /* GT number, 0 if undefined */
intel_engine_mask_t engine_mask; /* Engines supported by the HW */
+ u8 num_engines;
enum intel_platform platform;
@@ -202,8 +203,6 @@ struct intel_runtime_info {
u8 num_sprites[I915_MAX_PIPES];
u8 num_scalers[I915_MAX_PIPES];
- u8 num_engines;
-
/* Slice/subslice/EU info */
struct sseu_dev_info sseu;
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c
b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
index b62f005e4d50..43d014472ac6 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
@@ -1257,7 +1257,7 @@ static int igt_ctx_readonly(void *arg)
}
}
pr_info("Submitted %lu dwords (across %u engines)\n",
- ndwords, RUNTIME_INFO(i915)->num_engines);
+ ndwords, INTEL_INFO(i915)->num_engines);
dw = 0;
idx = 0;
@@ -1586,7 +1586,7 @@ static int igt_vm_isolation(void *arg)
count += this;
}
pr_info("Checked %lu scratch offsets across %d engines\n",
- count, RUNTIME_INFO(i915)->num_engines);
+ count, INTEL_INFO(i915)->num_engines);
out_rpm:
intel_runtime_pm_put(i915, wakeref);
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c
b/drivers/gpu/drm/i915/selftests/i915_request.c
index b60591531e4a..8fe9a43c99d9 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -1211,7 +1211,7 @@ static int live_breadcrumbs_smoketest(void *arg)
num_fences += atomic_long_read(&t[id].num_fences);
}
pr_info("Completed %lu waits for %lu fences across %d engines and %d
cpus\n",
- num_waits, num_fences, RUNTIME_INFO(i915)->num_engines, ncpus);
+ num_waits, num_fences, INTEL_INFO(i915)->num_engines, ncpus);
mutex_lock(&i915->drm.struct_mutex);
ret = igt_live_test_end(&live) ?: ret;
--
2.20.1
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