diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch b/target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch deleted file mode 100644 index d9d1048a92..0000000000 --- a/target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch +++ /dev/null @@ -1,54 +0,0 @@ -From cfa018eec8227589076e45fd65f654e525349ff5 Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Mon, 19 Oct 2015 08:32:24 -0700 -Subject: [PATCH] drm/vc4: Use job_lock to protect seqno_cb_list. - -We're (mostly) not supposed to be using struct_mutex in drivers these -days. - -Signed-off-by: Eric Anholt <eric@anholt.net> ---- - drivers/gpu/drm/vc4/vc4_gem.c | 8 +++++--- - 1 file changed, 5 insertions(+), 3 deletions(-) - ---- a/drivers/gpu/drm/vc4/vc4_gem.c -+++ b/drivers/gpu/drm/vc4/vc4_gem.c -@@ -474,7 +474,6 @@ vc4_job_handle_completed(struct vc4_dev - vc4_complete_exec(exec); - spin_lock_irqsave(&vc4->job_lock, irqflags); - } -- spin_unlock_irqrestore(&vc4->job_lock, irqflags); - - list_for_each_entry_safe(cb, cb_temp, &vc4->seqno_cb_list, work.entry) { - if (cb->seqno <= vc4->finished_seqno) { -@@ -482,6 +481,8 @@ vc4_job_handle_completed(struct vc4_dev - schedule_work(&cb->work); - } - } -+ -+ spin_unlock_irqrestore(&vc4->job_lock, irqflags); - } - - static void vc4_seqno_cb_work(struct work_struct *work) -@@ -496,18 +497,19 @@ int vc4_queue_seqno_cb(struct drm_device - { - struct vc4_dev *vc4 = to_vc4_dev(dev); - int ret = 0; -+ unsigned long irqflags; - - cb->func = func; - INIT_WORK(&cb->work, vc4_seqno_cb_work); - -- mutex_lock(&dev->struct_mutex); -+ spin_lock_irqsave(&vc4->job_lock, irqflags); - if (seqno > vc4->finished_seqno) { - cb->seqno = seqno; - list_add_tail(&cb->work.entry, &vc4->seqno_cb_list); - } else { - schedule_work(&cb->work); - } -- mutex_unlock(&dev->struct_mutex); -+ spin_unlock_irqrestore(&vc4->job_lock, irqflags); - - return ret; - } |