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drm/omap: force runtime PM suspend on system suspend 

Use SET_LATE_SYSTEM_SLEEP_PM_OPS in DSS submodules to force runtime PM
suspend and resume.

We use suspend late version so that omapdrm's system suspend callback is
called first, as that will disable all the display outputs after which
it's safe to force DSS into suspend.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200618095153.611071-1-tomi.valkeinen@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Fixes: cef7663003 ("drm/omap: Prepare DSS for probing without legacy platform data")
Cc: stable@vger.kernel.org # v5.7+
Tested-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tomi Valkeinen 2020-06-18 12:51:52 +03:00
parent a72a6a16d5
commit ecfdedd7da
4 changed files with 4 additions and 0 deletions
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1
drivers/gpu/drm/omapdrm/dss/dispc.c
View File

@ -4915,6 +4915,7 @@ static int dispc_runtime_resume(struct device *dev)
static const struct dev_pm_ops dispc_pm_ops = {
.runtime_suspend = dispc_runtime_suspend,
.runtime_resume = dispc_runtime_resume,
SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
};
struct platform_driver omap_dispchw_driver = {

1
drivers/gpu/drm/omapdrm/dss/dsi.c
View File

@ -5467,6 +5467,7 @@ static int dsi_runtime_resume(struct device *dev)
static const struct dev_pm_ops dsi_pm_ops = {
.runtime_suspend = dsi_runtime_suspend,
.runtime_resume = dsi_runtime_resume,
SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
};
struct platform_driver omap_dsihw_driver = {

1
drivers/gpu/drm/omapdrm/dss/dss.c
View File

@ -1614,6 +1614,7 @@ static int dss_runtime_resume(struct device *dev)
static const struct dev_pm_ops dss_pm_ops = {
.runtime_suspend = dss_runtime_suspend,
.runtime_resume = dss_runtime_resume,
SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
};
struct platform_driver omap_dsshw_driver = {

1
drivers/gpu/drm/omapdrm/dss/venc.c
View File

@ -902,6 +902,7 @@ static int venc_runtime_resume(struct device *dev)
static const struct dev_pm_ops venc_pm_ops = {
.runtime_suspend = venc_runtime_suspend,
.runtime_resume = venc_runtime_resume,
SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
};
static const struct of_device_id venc_of_match[] = {