drm/i915: Update execlists tasklet naming

intel_lrc_irq_handler and i915_guc_irq_handler are HW submission related
tasklet functions. Name them with "submission_tasklet" suffix and
remove intel/i915 prefix as they are static. Also rename irq_tasklet
as just tasklet for clarity.

v2: s/_bh/_tasklet (Chris)

Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/1510839162-25197-2-git-send-email-sagar.a.kamble@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index bf8fea7..61ba321 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2933,13 +2933,13 @@ i915_gem_reset_prepare_engine(struct intel_engine_cs *engine)
         * Prevent request submission to the hardware until we have
         * completed the reset in i915_gem_reset_finish(). If a request
         * is completed by one engine, it may then queue a request
-        * to a second via its engine->irq_tasklet *just* as we are
+        * to a second via its execlists->tasklet *just* as we are
         * calling engine->init_hw() and also writing the ELSP.
-        * Turning off the engine->irq_tasklet until the reset is over
+        * Turning off the execlists->tasklet until the reset is over
         * prevents the race.
         */
-       tasklet_kill(&engine->execlists.irq_tasklet);
-       tasklet_disable(&engine->execlists.irq_tasklet);
+       tasklet_kill(&engine->execlists.tasklet);
+       tasklet_disable(&engine->execlists.tasklet);
 
        /*
         * We're using worker to queue preemption requests from the tasklet in
@@ -3128,7 +3128,7 @@ void i915_gem_reset(struct drm_i915_private *dev_priv)
 
 void i915_gem_reset_finish_engine(struct intel_engine_cs *engine)
 {
-       tasklet_enable(&engine->execlists.irq_tasklet);
+       tasklet_enable(&engine->execlists.tasklet);
        kthread_unpark(engine->breadcrumbs.signaler);
 
        intel_uncore_forcewake_put(engine->i915, FORCEWAKE_ALL);

diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 0ba2fc0..7f3e63d 100644 (file)
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -650,7 +650,7 @@ static void inject_preempt_context(struct work_struct *work)
        if (WARN_ON(intel_guc_send(guc, data, ARRAY_SIZE(data)))) {
                execlists_clear_active(&engine->execlists,
                                       EXECLISTS_ACTIVE_PREEMPT);
-               tasklet_schedule(&engine->execlists.irq_tasklet);
+               tasklet_schedule(&engine->execlists.tasklet);
        }
 }
 
@@ -799,7 +799,7 @@ unlock:
        spin_unlock_irq(&engine->timeline->lock);
 }
 
-static void i915_guc_irq_handler(unsigned long data)
+static void guc_submission_tasklet(unsigned long data)
 {
        struct intel_engine_cs * const engine = (struct intel_engine_cs *)data;
        struct intel_engine_execlists * const execlists = &engine->execlists;
@@ -1439,7 +1439,7 @@ int i915_guc_submission_enable(struct drm_i915_private *dev_priv)
 
        for_each_engine(engine, dev_priv, id) {
                struct intel_engine_execlists * const execlists = &engine->execlists;
-               execlists->irq_tasklet.func = i915_guc_irq_handler;
+               execlists->tasklet.func = guc_submission_tasklet;
                engine->park = i915_guc_submission_park;
                engine->unpark = i915_guc_submission_unpark;
        }

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ff00e46..4fb183a 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1404,7 +1404,7 @@ gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir, int test_shift)
        }
 
        if (tasklet)
-               tasklet_hi_schedule(&execlists->irq_tasklet);
+               tasklet_hi_schedule(&execlists->tasklet);
 }
 
 static irqreturn_t gen8_gt_irq_ack(struct drm_i915_private *dev_priv,

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index a42b738..9897c7f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1585,7 +1585,7 @@ void intel_engines_park(struct drm_i915_private *i915)
        for_each_engine(engine, i915, id) {
                /* Flush the residual irq tasklets first. */
                intel_engine_disarm_breadcrumbs(engine);
-               tasklet_kill(&engine->execlists.irq_tasklet);
+               tasklet_kill(&engine->execlists.tasklet);
 
                /*
                 * We are committed now to parking the engines, make sure there

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index ebd9596..be6c39a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -781,7 +781,7 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine)
  * Check the unread Context Status Buffers and manage the submission of new
  * contexts to the ELSP accordingly.
  */
-static void intel_lrc_irq_handler(unsigned long data)
+static void execlists_submission_tasklet(unsigned long data)
 {
        struct intel_engine_cs * const engine = (struct intel_engine_cs *)data;
        struct intel_engine_execlists * const execlists = &engine->execlists;
@@ -947,7 +947,7 @@ static void insert_request(struct intel_engine_cs *engine,
 
        list_add_tail(&pt->link, &ptr_mask_bits(p, 1)->requests);
        if (ptr_unmask_bits(p, 1))
-               tasklet_hi_schedule(&engine->execlists.irq_tasklet);
+               tasklet_hi_schedule(&engine->execlists.tasklet);
 }
 
 static void execlists_submit_request(struct drm_i915_gem_request *request)
@@ -1503,7 +1503,7 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine)
 
        /* After a GPU reset, we may have requests to replay */
        if (execlists->first)
-               tasklet_schedule(&execlists->irq_tasklet);
+               tasklet_schedule(&execlists->tasklet);
 
        return 0;
 }
@@ -1881,8 +1881,9 @@ void intel_logical_ring_cleanup(struct intel_engine_cs *engine)
         * Tasklet cannot be active at this point due intel_mark_active/idle
         * so this is just for documentation.
         */
-       if (WARN_ON(test_bit(TASKLET_STATE_SCHED, &engine->execlists.irq_tasklet.state)))
-               tasklet_kill(&engine->execlists.irq_tasklet);
+       if (WARN_ON(test_bit(TASKLET_STATE_SCHED,
+                            &engine->execlists.tasklet.state)))
+               tasklet_kill(&engine->execlists.tasklet);
 
        dev_priv = engine->i915;
 
@@ -1906,7 +1907,7 @@ static void execlists_set_default_submission(struct intel_engine_cs *engine)
        engine->submit_request = execlists_submit_request;
        engine->cancel_requests = execlists_cancel_requests;
        engine->schedule = execlists_schedule;
-       engine->execlists.irq_tasklet.func = intel_lrc_irq_handler;
+       engine->execlists.tasklet.func = execlists_submission_tasklet;
 
        engine->park = NULL;
        engine->unpark = NULL;
@@ -1968,8 +1969,8 @@ logical_ring_setup(struct intel_engine_cs *engine)
 
        engine->execlists.fw_domains = fw_domains;
 
-       tasklet_init(&engine->execlists.irq_tasklet,
-                    intel_lrc_irq_handler, (unsigned long)engine);
+       tasklet_init(&engine->execlists.tasklet,
+                    execlists_submission_tasklet, (unsigned long)engine);
 
        logical_ring_default_vfuncs(engine);
        logical_ring_default_irqs(engine);

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 15a15cb..c00804e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -193,9 +193,9 @@ struct i915_priolist {
  */
 struct intel_engine_execlists {
        /**
-        * @irq_tasklet: softirq tasklet for bottom handler
+        * @tasklet: softirq tasklet for bottom handler
         */
-       struct tasklet_struct irq_tasklet;
+       struct tasklet_struct tasklet;
 
        /**
         * @default_priolist: priority list for I915_PRIORITY_NORMAL