Messages in this thread | | | Date | Mon, 24 Oct 2022 12:56:24 +0200 | Subject | Re: [PATCH v1] drm: Switch drm_client_buffer_delete() to unlocked drm_gem_vunmap | From | Christian König <> |
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Am 20.10.22 um 23:33 schrieb Dmitry Osipenko: > The drm_client_buffer_delete() wasn't switched to unlocked GEM vunmapping > by accident when rest of drm_client code transitioned to the unlocked > variants of the vmapping functions. Make drm_client_buffer_delete() use > the unlocked variant. This fixes lockdep warning splat about missing > reservation lock when framebuffer is released. > > Reported-by: kernel test robot <yujie.liu@intel.com> > Link: https://lore.kernel.org/dri-devel/890f70db-68b0-8456-ca3c-c5496ef90517@collabora.com/T/ > Fixes: 79e2cf2e7a19 ("drm/gem: Take reservation lock for vmap/vunmap operations") > Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
The code was properly added recently between review and pushing. Let's get that upstream ASAP.
Acked-by: Christian König <christian.koenig@amd.com>
> --- > drivers/gpu/drm/drm_client.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c > index fbcb1e995384..38e1be991caa 100644 > --- a/drivers/gpu/drm/drm_client.c > +++ b/drivers/gpu/drm/drm_client.c > @@ -235,7 +235,7 @@ static void drm_client_buffer_delete(struct drm_client_buffer *buffer) > { > struct drm_device *dev = buffer->client->dev; > > - drm_gem_vunmap(buffer->gem, &buffer->map); > + drm_gem_vunmap_unlocked(buffer->gem, &buffer->map); > > if (buffer->gem) > drm_gem_object_put(buffer->gem);
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