From: Allen Pais <allen.l...@gmail.com>

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly
and remove the .data field.

Signed-off-by: Romain Perier <romain.per...@gmail.com>
Signed-off-by: Allen Pais <allen.l...@gmail.com>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c           | 31 ++++++++++---------
 .../gpu/drm/i915/gt/uc/intel_guc_submission.c |  8 +++--
 2 files changed, 22 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c 
b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 24322ef08aa4..c45e42b9f239 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -3130,9 +3130,10 @@ static bool preempt_timeout(const struct intel_engine_cs 
*const engine)
  * Check the unread Context Status Buffers and manage the submission of new
  * contexts to the ELSP accordingly.
  */
-static void execlists_submission_tasklet(unsigned long data)
+static void execlists_submission_tasklet(struct tasklet_struct *t)
 {
-       struct intel_engine_cs * const engine = (struct intel_engine_cs *)data;
+       struct intel_engine_cs * const engine = from_tasklet(engine, t,
+                                                    execlists.tasklet);
        bool timeout = preempt_timeout(engine);
 
        process_csb(engine);
@@ -4306,9 +4307,10 @@ static void execlists_reset_rewind(struct 
intel_engine_cs *engine, bool stalled)
        spin_unlock_irqrestore(&engine->active.lock, flags);
 }
 
-static void nop_submission_tasklet(unsigned long data)
+static void nop_submission_tasklet(struct tasklet_struct *t)
 {
-       struct intel_engine_cs * const engine = (struct intel_engine_cs *)data;
+       struct intel_engine_cs * const engine = from_tasklet(engine, t,
+                                                    execlists.tasklet);
 
        /* The driver is wedged; don't process any more events. */
        WRITE_ONCE(engine->execlists.queue_priority_hint, INT_MIN);
@@ -4391,7 +4393,8 @@ static void execlists_reset_cancel(struct intel_engine_cs 
*engine)
        execlists->queue = RB_ROOT_CACHED;
 
        GEM_BUG_ON(__tasklet_is_enabled(&execlists->tasklet));
-       execlists->tasklet.func = nop_submission_tasklet;
+       execlists->tasklet.func = (void (*)(unsigned long))
+                                 nop_submission_tasklet;
 
        spin_unlock_irqrestore(&engine->active.lock, flags);
 }
@@ -4986,7 +4989,8 @@ void intel_execlists_set_default_submission(struct 
intel_engine_cs *engine)
 {
        engine->submit_request = execlists_submit_request;
        engine->schedule = i915_schedule;
-       engine->execlists.tasklet.func = execlists_submission_tasklet;
+       engine->execlists.tasklet.func = (void (*)(unsigned long))
+               execlists_submission_tasklet;
 
        engine->reset.prepare = execlists_reset_prepare;
        engine->reset.rewind = execlists_reset_rewind;
@@ -5113,8 +5117,7 @@ int intel_execlists_submission_setup(struct 
intel_engine_cs *engine)
        struct intel_uncore *uncore = engine->uncore;
        u32 base = engine->mmio_base;
 
-       tasklet_init(&engine->execlists.tasklet,
-                    execlists_submission_tasklet, (unsigned long)engine);
+       tasklet_setup(&engine->execlists.tasklet, execlists_submission_tasklet);
        timer_setup(&engine->execlists.timer, execlists_timeslice, 0);
        timer_setup(&engine->execlists.preempt, execlists_preempt, 0);
 
@@ -5509,9 +5512,10 @@ static intel_engine_mask_t 
virtual_submission_mask(struct virtual_engine *ve)
        return mask;
 }
 
-static void virtual_submission_tasklet(unsigned long data)
+static void virtual_submission_tasklet(struct tasklet_struct *t)
 {
-       struct virtual_engine * const ve = (struct virtual_engine *)data;
+       struct virtual_engine *  ve = from_tasklet(ve, t,
+                                                  base.execlists.tasklet);
        const int prio = READ_ONCE(ve->base.execlists.queue_priority_hint);
        intel_engine_mask_t mask;
        unsigned int n;
@@ -5724,9 +5728,8 @@ intel_execlists_create_virtual(struct intel_engine_cs 
**siblings,
 
        INIT_LIST_HEAD(virtual_queue(ve));
        ve->base.execlists.queue_priority_hint = INT_MIN;
-       tasklet_init(&ve->base.execlists.tasklet,
-                    virtual_submission_tasklet,
-                    (unsigned long)ve);
+       tasklet_setup(&ve->base.execlists.tasklet,
+                    virtual_submission_tasklet);
 
        intel_context_init(&ve->context, &ve->base);
 
@@ -5748,7 +5751,7 @@ intel_execlists_create_virtual(struct intel_engine_cs 
**siblings,
                 * layering if we handle cloning of the requests and
                 * submitting a copy into each backend.
                 */
-               if (sibling->execlists.tasklet.func !=
+               if (sibling->execlists.tasklet.func != (void (*)(unsigned long))
                    execlists_submission_tasklet) {
                        err = -ENODEV;
                        goto err_put;
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c 
b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index fdfeb4b9b0f5..3013ff54431c 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -344,9 +344,10 @@ static void __guc_dequeue(struct intel_engine_cs *engine)
        execlists->active = execlists->inflight;
 }
 
-static void guc_submission_tasklet(unsigned long data)
+static void guc_submission_tasklet(struct tasklet_struct *t)
 {
-       struct intel_engine_cs * const engine = (struct intel_engine_cs *)data;
+       struct intel_engine_cs * const engine = from_tasklet(engine, t,
+                                                            execlists.tasklet);
        struct intel_engine_execlists * const execlists = &engine->execlists;
        struct i915_request **port, *rq;
        unsigned long flags;
@@ -591,7 +592,8 @@ static void guc_set_default_submission(struct 
intel_engine_cs *engine)
         */
        intel_execlists_set_default_submission(engine);
 
-       engine->execlists.tasklet.func = guc_submission_tasklet;
+       engine->execlists.tasklet.func =
+                               (void (*)(unsigned long))guc_submission_tasklet;
 
        /* do not use execlists park/unpark */
        engine->park = engine->unpark = NULL;
-- 
2.17.1

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