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drm/tegra: Fix support for Linux v5.9+

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The out-of-tree Tegra DRM module that is being maintained for Sidecar
supports Linux v5.9+. Recent upstream changes pulled into the
out-of-tree Tegra DRM broke support for some earlier kernels. Fix
support for all v5.9+ kernel by adding the necessary backwards
compatibility.

JIRA LS-80

Change-Id: I7fb31d979fb0bba35569cbde99815645929b1a49
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2548377
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Jon Hunter
2021-06-15 19:54:57 +01:00
committed by Laxman Dewangan
parent dce2bcb225
commit 6eb90145f1
2 changed files with 8 additions and 1 deletions
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3
drivers/gpu/drm/tegra/sor.c
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@@ -3111,8 +3111,9 @@ static int tegra_sor_init(struct host1x_client *client)
* kernel is possible.
*/
if (sor->rst) {
err = pm_runtime_resume_and_get(sor->dev);
err = pm_runtime_get_sync(sor->dev);
if (err < 0) {
pm_runtime_put_noidle(sor->dev);
dev_err(sor->dev, "failed to get runtime PM: %d\n", err);
return err;
}