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authorThierry Reding <treding@nvidia.com>2018-09-21 13:27:42 +0300
committerThierry Reding <treding@nvidia.com>2018-09-26 17:03:51 +0300
commit759d706f7cb4adbec1c222f7550dc8fa2683c089 (patch)
tree2f70d5ae22a0452844bd301f9fe3b83318dca64b /README
parent47022003f94d1eecf49b9b7a7804814faaea9f08 (diff)
downloadlinux-759d706f7cb4adbec1c222f7550dc8fa2683c089.tar.xz
drm/tegra: dc: Do not register DC without primary plane
Tegra194 contains a fourth display controller that does not own any windows. Therefore, we cannot currently assign a primary plane to it which causes KMS to eventually crash. Do not register the display controller if it owns no windows to work around this. Note that we still have to enable and probe the display controller because for some reason all display controllers need to be powered (and/or clocked) before any registers can be accessed in any of the display controllers. Signed-off-by: Thierry Reding <treding@nvidia.com>
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