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authorDave Airlie <airlied@redhat.com>2018-07-19 05:46:24 +1000
committerDave Airlie <airlied@redhat.com>2018-07-19 05:46:30 +1000
commit539c475dadc430bd0f1601902fcacc1e55ffe85a (patch)
tree6dc3e9ca56165cb46baa84febcb885ed52452cf2 /drivers/gpu/drm/i915/i915_request.c
parent0c2fd59ae315e28f8868edf80df21a502f933fec (diff)
parent82edc7e8b8c06151bdc653935bc13b83e2f0fcfa (diff)
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Merge tag 'drm-intel-next-2018-07-09' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
Higlights here goes to many PSR fixes and improvements; to the Ice lake work with power well support and begin of DSI support addition. Also there were many improvements on execlists and interrupts for minimal latency on command submission; and many fixes on selftests, mostly caught by our CI. General driver: - Clean-up on aux irq (Lucas) - Mark expected switch fall-through for dealing with static analysis tools (Gustavo) Gem: - Different fixes for GuC (Chris, Anusha, Michal) - Avoid self-relocation BIAS if no relocation (Chris) - Improve debugging cases in on EINVAL return and vma allocation (Chris) - Fixes and improvements on context destroying and freeing (Chris) - Wait for engines to idle before retiring (Chris) - Many improvements on execlists and interrupts for minimal latency on command submission (Chris) - Many fixes in selftests, specially on cases highlighted on CI (Chris) - Other fixes and improvements around GGTT (Chris) - Prevent background reaping of active objects (Chris) Display: - Parallel modeset cleanup to fix driver reset (Chris) - Get AUX power domain for DP main link (Imre) - Clean-up on PSR unused func pointers (Rodrigo) - Many PSR/PSR2 fixes and improvements (DK, Jose, Tarun) - Add a PSR1 live status (Vathsala) - Replace old drm_*_{un/reference} with put,get functions (Thomas) - FBC fixes (Maarten) - Abstract and document the usage of picking macros (Jani) - Remove unnecessary check for unsupported modifiers for NV12. (DK) - Interrupt fixes for display (Ville) - Clean up on sdvo code (Ville) - Clean up on current DSI code (Jani) - Remove support for legacy debugfs crc interface (Maarten) - Simplify get_encoder_power_domains (Imre) Icelake: - MG PLL fixes (Imre) - Add hw workaround for alpha blending (Vandita) - Add power well support (Imre) - Add Interrupt Support (Anusha) - Start to add support for DSI on Ice Lake (Madhav) Signed-off-by: Dave Airlie <airlied@redhat.com> # gpg: Signature made Tue 10 Jul 2018 08:41:37 AM AEST # gpg: using RSA key FA625F640EEB13CA # gpg: Good signature from "Rodrigo Vivi <rodrigo.vivi@intel.com>" # gpg: aka "Rodrigo Vivi <rodrigo.vivi@gmail.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 6D20 7068 EEDD 6509 1C2C E2A3 FA62 5F64 0EEB 13CA Link: https://patchwork.freedesktop.org/patch/msgid/20180710234349.GA16562@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.c')
-rw-r--r--drivers/gpu/drm/i915/i915_request.c35
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index e1dbb544046f..5c2c93cbab12 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -206,7 +206,8 @@ static int reset_all_global_seqno(struct drm_i915_private *i915, u32 seqno)
/* Carefully retire all requests without writing to the rings */
ret = i915_gem_wait_for_idle(i915,
I915_WAIT_INTERRUPTIBLE |
- I915_WAIT_LOCKED);
+ I915_WAIT_LOCKED,
+ MAX_SCHEDULE_TIMEOUT);
if (ret)
return ret;
@@ -503,7 +504,7 @@ static void move_to_timeline(struct i915_request *request,
GEM_BUG_ON(request->timeline == &request->engine->timeline);
lockdep_assert_held(&request->engine->timeline.lock);
- spin_lock_nested(&request->timeline->lock, SINGLE_DEPTH_NESTING);
+ spin_lock(&request->timeline->lock);
list_move_tail(&request->link, &timeline->requests);
spin_unlock(&request->timeline->lock);
}
@@ -735,7 +736,8 @@ i915_request_alloc(struct intel_engine_cs *engine, struct i915_gem_context *ctx)
/* Ratelimit ourselves to prevent oom from malicious clients */
ret = i915_gem_wait_for_idle(i915,
I915_WAIT_LOCKED |
- I915_WAIT_INTERRUPTIBLE);
+ I915_WAIT_INTERRUPTIBLE,
+ MAX_SCHEDULE_TIMEOUT);
if (ret)
goto err_unreserve;
@@ -1013,6 +1015,27 @@ i915_request_await_object(struct i915_request *to,
return ret;
}
+void i915_request_skip(struct i915_request *rq, int error)
+{
+ void *vaddr = rq->ring->vaddr;
+ u32 head;
+
+ GEM_BUG_ON(!IS_ERR_VALUE((long)error));
+ dma_fence_set_error(&rq->fence, error);
+
+ /*
+ * As this request likely depends on state from the lost
+ * context, clear out all the user operations leaving the
+ * breadcrumb at the end (so we get the fence notifications).
+ */
+ head = rq->infix;
+ if (rq->postfix < head) {
+ memset(vaddr + head, 0, rq->ring->size - head);
+ head = 0;
+ }
+ memset(vaddr + head, 0, rq->postfix - head);
+}
+
/*
* NB: This function is not allowed to fail. Doing so would mean the the
* request is not being tracked for completion but the work itself is
@@ -1196,7 +1219,7 @@ static bool __i915_spin_request(const struct i915_request *rq,
* takes to sleep on a request, on the order of a microsecond.
*/
- irq = atomic_read(&engine->irq_count);
+ irq = READ_ONCE(engine->breadcrumbs.irq_count);
timeout_us += local_clock_us(&cpu);
do {
if (i915_seqno_passed(intel_engine_get_seqno(engine), seqno))
@@ -1208,7 +1231,7 @@ static bool __i915_spin_request(const struct i915_request *rq,
* assume we won't see one in the near future but require
* the engine->seqno_barrier() to fixup coherency.
*/
- if (atomic_read(&engine->irq_count) != irq)
+ if (READ_ONCE(engine->breadcrumbs.irq_count) != irq)
break;
if (signal_pending_state(state, current))
@@ -1285,7 +1308,7 @@ long i915_request_wait(struct i915_request *rq,
if (flags & I915_WAIT_LOCKED)
add_wait_queue(errq, &reset);
- intel_wait_init(&wait, rq);
+ intel_wait_init(&wait);
restart:
do {