diff options
| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2023-11-09 10:37:55 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2023-12-01 13:04:42 +0300 |
| commit | 4b0bdf9383a999498b88df4c1a1e3f0910b86d53 (patch) | |
| tree | 05950e7c23ef736fa76820c1248e2dc7626d9ccb /drivers/gpu/drm/tidss/tidss_drv.c | |
| parent | a0a9e7b4690b1d78f146fbc8c78a630856ed3015 (diff) | |
| download | linux-4b0bdf9383a999498b88df4c1a1e3f0910b86d53.tar.xz | |
drm/tidss: Use PM autosuspend
Use runtime PM autosuspend feature, with 1s timeout, to avoid
unnecessary suspend-resume cycles when, e.g. the userspace temporarily
turns off the crtcs when configuring the outputs.
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20231109-tidss-probe-v2-2-ac91b5ea35c0@ideasonboard.com
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/tidss/tidss_drv.c')
| -rw-r--r-- | drivers/gpu/drm/tidss/tidss_drv.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c index bb1297820856..09e30de2dd48 100644 --- a/drivers/gpu/drm/tidss/tidss_drv.c +++ b/drivers/gpu/drm/tidss/tidss_drv.c @@ -43,7 +43,9 @@ void tidss_runtime_put(struct tidss_device *tidss) dev_dbg(tidss->dev, "%s\n", __func__); - r = pm_runtime_put_sync(tidss->dev); + pm_runtime_mark_last_busy(tidss->dev); + + r = pm_runtime_put_autosuspend(tidss->dev); WARN_ON(r < 0); } @@ -144,6 +146,9 @@ static int tidss_probe(struct platform_device *pdev) pm_runtime_enable(dev); + pm_runtime_set_autosuspend_delay(dev, 1000); + pm_runtime_use_autosuspend(dev); + #ifndef CONFIG_PM /* If we don't have PM, we need to call resume manually */ dispc_runtime_resume(tidss->dispc); @@ -192,6 +197,7 @@ err_runtime_suspend: #ifndef CONFIG_PM dispc_runtime_suspend(tidss->dispc); #endif + pm_runtime_dont_use_autosuspend(dev); pm_runtime_disable(dev); return ret; @@ -215,6 +221,7 @@ static void tidss_remove(struct platform_device *pdev) /* If we don't have PM, we need to call suspend manually */ dispc_runtime_suspend(tidss->dispc); #endif + pm_runtime_dont_use_autosuspend(dev); pm_runtime_disable(dev); /* devm allocated dispc goes away with the dev so mark it NULL */ |