From: Kees Cook Date: Tue, 17 Oct 2017 09:53:04 +0300 Subject: drm/i915: Convert timers to use timer_setup() Git-commit: 39cbf2aa41b6d6e8d94b5506bf0e0e896ccf635a Patch-mainline: v4.15-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Daniel Vetter Cc: Jani Nikula Cc: David Airlie Cc: Chris Wilson Cc: Joonas Lahtinen Cc: Tvrtko Ursulin Cc: Oscar Mateo Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Joonas Lahtinen Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20171017065304.3358-1-joonas.lahtinen@linux.intel.com Acked-by: Petr Tesarik --- drivers/gpu/drm/i915/i915_sw_fence.c | 8 +++----- drivers/gpu/drm/i915/intel_breadcrumbs.c | 18 ++++++++---------- drivers/gpu/drm/i915/selftests/mock_engine.c | 8 +++----- 3 files changed, 14 insertions(+), 20 deletions(-) --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -369,9 +369,9 @@ struct i915_sw_dma_fence_cb { struct irq_work work; }; -static void timer_i915_sw_fence_wake(unsigned long data) +static void timer_i915_sw_fence_wake(struct timer_list *t) { - struct i915_sw_dma_fence_cb *cb = (struct i915_sw_dma_fence_cb *)data; + struct i915_sw_dma_fence_cb *cb = from_timer(cb, t, timer); struct i915_sw_fence *fence; fence = xchg(&cb->fence, NULL); @@ -434,9 +434,7 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence_await(fence); cb->dma = NULL; - __setup_timer(&cb->timer, - timer_i915_sw_fence_wake, (unsigned long)cb, - TIMER_IRQSAFE); + timer_setup(&cb->timer, timer_i915_sw_fence_wake, TIMER_IRQSAFE); init_irq_work(&cb->work, irq_i915_sw_fence_work); if (timeout) { cb->dma = dma_fence_get(dma); --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -74,9 +74,10 @@ static noinline void missed_breadcrumb(s set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings); } -static void intel_breadcrumbs_hangcheck(unsigned long data) +static void intel_breadcrumbs_hangcheck(struct timer_list *t) { - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; + struct intel_engine_cs *engine = from_timer(engine, t, + breadcrumbs.hangcheck); struct intel_breadcrumbs *b = &engine->breadcrumbs; if (!b->irq_armed) @@ -108,9 +109,10 @@ static void intel_breadcrumbs_hangcheck( } } -static void intel_breadcrumbs_fake_irq(unsigned long data) +static void intel_breadcrumbs_fake_irq(struct timer_list *t) { - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; + struct intel_engine_cs *engine = from_timer(engine, t, + breadcrumbs.fake_irq); struct intel_breadcrumbs *b = &engine->breadcrumbs; /* The timer persists in case we cannot enable interrupts, @@ -787,12 +789,8 @@ int intel_engine_init_breadcrumbs(struct spin_lock_init(&b->rb_lock); spin_lock_init(&b->irq_lock); - setup_timer(&b->fake_irq, - intel_breadcrumbs_fake_irq, - (unsigned long)engine); - setup_timer(&b->hangcheck, - intel_breadcrumbs_hangcheck, - (unsigned long)engine); + timer_setup(&b->fake_irq, intel_breadcrumbs_fake_irq, 0); + timer_setup(&b->hangcheck, intel_breadcrumbs_hangcheck, 0); /* Spawn a thread to provide a common bottom-half for all signals. * As this is an asynchronous interface we cannot steal the current --- a/drivers/gpu/drm/i915/selftests/mock_engine.c +++ b/drivers/gpu/drm/i915/selftests/mock_engine.c @@ -32,9 +32,9 @@ static struct mock_request *first_reques link); } -static void hw_delay_complete(unsigned long data) +static void hw_delay_complete(struct timer_list *t) { - struct mock_engine *engine = (typeof(engine))data; + struct mock_engine *engine = from_timer(engine, t, hw_delay); struct mock_request *request; spin_lock(&engine->hw_lock); @@ -161,9 +161,7 @@ struct intel_engine_cs *mock_engine(stru /* fake hw queue */ spin_lock_init(&engine->hw_lock); - setup_timer(&engine->hw_delay, - hw_delay_complete, - (unsigned long)engine); + timer_setup(&engine->hw_delay, hw_delay_complete, 0); INIT_LIST_HEAD(&engine->hw_queue); return &engine->base;