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author | Peter Zijlstra <peterz@infradead.org> | 2020-07-08 11:38:59 +0200 |
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committer | Peter Zijlstra <peterz@infradead.org> | 2020-07-08 11:38:59 +0200 |
commit | faa2fd7cbad4609d06d7904c0a80cf2f8cd23678 (patch) | |
tree | 3a5bfcc8879b719aec97cb73ed6e020cde502546 /drivers/gpu/drm/tegra/hub.c | |
parent | sched/core: Remove mmdrop() definition (diff) | |
parent | sched: Fix unreliable rseq cpu_id for new tasks (diff) | |
download | wireguard-linux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.tar.xz wireguard-linux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.zip |
Merge branch 'sched/urgent'
Diffstat (limited to 'drivers/gpu/drm/tegra/hub.c')
-rw-r--r-- | drivers/gpu/drm/tegra/hub.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index 8183e617bf6b..22a03f7ffdc1 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -149,7 +149,9 @@ int tegra_display_hub_prepare(struct tegra_display_hub *hub) for (i = 0; i < hub->soc->num_wgrps; i++) { struct tegra_windowgroup *wgrp = &hub->wgrps[i]; - tegra_windowgroup_enable(wgrp); + /* Skip orphaned window group whose parent DC is disabled */ + if (wgrp->parent) + tegra_windowgroup_enable(wgrp); } return 0; @@ -166,7 +168,9 @@ void tegra_display_hub_cleanup(struct tegra_display_hub *hub) for (i = 0; i < hub->soc->num_wgrps; i++) { struct tegra_windowgroup *wgrp = &hub->wgrps[i]; - tegra_windowgroup_disable(wgrp); + /* Skip orphaned window group whose parent DC is disabled */ + if (wgrp->parent) + tegra_windowgroup_disable(wgrp); } } @@ -944,6 +948,15 @@ static int tegra_display_hub_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to register host1x client: %d\n", err); + err = devm_of_platform_populate(&pdev->dev); + if (err < 0) + goto unregister; + + return err; + +unregister: + host1x_client_unregister(&hub->client); + pm_runtime_disable(&pdev->dev); return err; } |