From fff3b6983608a0e513eb2e874325827207e3f485 Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Wed, 25 Apr 2018 17:53:13 -0400 Subject: [PATCH 4287/5725] drm/amdkfd: Fix pm_debugfs_runlist Guard it with #if defined(CONFIG_DEBUG_FS) and take the pm->lock while dumping the runlist IB. Change-Id: If52078d2003c34b44e8f19996c0263d6211dea13 Signed-off-by: Felix Kuehling Signed-off-by: Kalyan Alle --- drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c index c6f3218..cd380ad 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c @@ -400,17 +400,25 @@ void pm_release_ib(struct packet_manager *pm) mutex_unlock(&pm->lock); } +#if defined(CONFIG_DEBUG_FS) + int pm_debugfs_runlist(struct seq_file *m, void *data) { struct packet_manager *pm = data; + mutex_lock(&pm->lock); + if (!pm->allocated) { seq_puts(m, " No active runlist\n"); - return 0; + goto out; } seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, pm->ib_buffer_obj->cpu_ptr, pm->ib_size_bytes, false); +out: + mutex_unlock(&pm->lock); return 0; } + +#endif -- 2.7.4