drm/etnaviv: fix deadlock in GPU coredump

[linux-2.6-microblaze.git] / drivers / gpu / drm / etnaviv / etnaviv_dump.c

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
index 698db54..648cf02 100644 (file)
--- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
@@ -180,6 +180,8 @@ void etnaviv_core_dump(struct etnaviv_gem_submit *submit)
                              etnaviv_cmdbuf_get_va(&submit->cmdbuf,
                                        &gpu->mmu_context->cmdbuf_mapping));
 
+       mutex_unlock(&gpu->mmu_context->lock);
+
        /* Reserve space for the bomap */
        if (n_bomap_pages) {
                bomap_start = bomap = iter.data;
@@ -221,8 +223,6 @@ void etnaviv_core_dump(struct etnaviv_gem_submit *submit)
                                         obj->base.size);
        }
 
-       mutex_unlock(&gpu->mmu_context->lock);
-
        etnaviv_core_dump_header(&iter, ETDUMP_BUF_END, iter.data);
 
        dev_coredumpv(gpu->dev, iter.start, iter.data - iter.start, GFP_KERNEL);