Messages in this thread | | | Subject | Re: [PATCH v1 1/2] drm/tegra: dc: Link DC1 to DC0 on Tegra20 | From | Dmitry Osipenko <> | Date | Mon, 11 Dec 2017 17:59:29 +0300 |
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On 11.12.2017 13:12, Thierry Reding wrote: > 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@gmail.com> >> --- >> 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?
driver_find_device() fit perfectly, thank you for the suggestion.
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