On Mon, Dec 11, 2017 at 02:19:43AM +0300, Dmitry Osipenko wrote: > HW reset isn't actually broken on Tegra20, but there is a dependency on > first display controller to be taken out of reset for the second to be > enabled successfully. > > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > drivers/gpu/drm/tegra/dc.c | 77 +++++++++++++++++++++++++++++----------------- > drivers/gpu/drm/tegra/dc.h | 4 ++- > 2 files changed, 51 insertions(+), 30 deletions(-) > > diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c > index fc70351b9017..6139d3e9cedf 100644 > --- a/drivers/gpu/drm/tegra/dc.c > +++ b/drivers/gpu/drm/tegra/dc.c > @@ -24,6 +24,8 @@ > #include <drm/drm_atomic_helper.h> > #include <drm/drm_plane_helper.h> > > +static struct tegra_dc *dc0; I'd like to avoid the global variable. Perhaps you can use the driver_for_each_device() or driver_find_device() functions to find the correct device? Thierry
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