Re: [PATCH v1] gpu: host1x: Fix hang on Tegra186+

On Thu, Dec 23, 2021 at 05:46:50PM +0300, Dmitry Osipenko wrote:

Tegra186+ hangs if host1x hardware is disabled at a kernel boot time because we touch hardware before runtime PM is resumed. Move sync point assignment initialization to the RPM-resume callback. Older SoCs were unaffected because they skip that sync point initialization.

Tested-by: Jon Hunter jonathanh@nvidia.com # T186 Reported-by: Jon Hunter jonathanh@nvidia.com # T186 Fixes: 6b6776e2ab8a ("gpu: host1x: Add initial runtime PM and OPP support") Signed-off-by: Dmitry Osipenko digetx@gmail.com

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drivers/gpu/host1x/syncpt.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)

Applied, thanks.

Thierry