drm/lima: add resume/suspend callback for each ip

For called when PM do resume/suspend.

Tested-by: Bhushan Shah <[email protected]>
Reviewed-by: Vasily Khoruzhick <[email protected]>
Signed-off-by: Qiang Yu <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/gpu/drm/lima/lima_pmu.c b/drivers/gpu/drm/lima/lima_pmu.c
index d476569f2043..e397e1146e96 100644
--- a/drivers/gpu/drm/lima/lima_pmu.c
+++ b/drivers/gpu/drm/lima/lima_pmu.c
@@ -63,7 +63,7 @@ static u32 lima_pmu_get_ip_mask(struct lima_ip *ip)
 	return ret;
 }
 
-int lima_pmu_init(struct lima_ip *ip)
+static int lima_pmu_hw_init(struct lima_ip *ip)
 {
 	int err;
 	u32 stat;
@@ -88,7 +88,7 @@ int lima_pmu_init(struct lima_ip *ip)
 	return 0;
 }
 
-void lima_pmu_fini(struct lima_ip *ip)
+static void lima_pmu_hw_fini(struct lima_ip *ip)
 {
 	u32 stat;
 
@@ -109,3 +109,23 @@ void lima_pmu_fini(struct lima_ip *ip)
 			lima_pmu_wait_cmd(ip);
 	}
 }
+
+int lima_pmu_resume(struct lima_ip *ip)
+{
+	return lima_pmu_hw_init(ip);
+}
+
+void lima_pmu_suspend(struct lima_ip *ip)
+{
+	lima_pmu_hw_fini(ip);
+}
+
+int lima_pmu_init(struct lima_ip *ip)
+{
+	return lima_pmu_hw_init(ip);
+}
+
+void lima_pmu_fini(struct lima_ip *ip)
+{
+	lima_pmu_hw_fini(ip);
+}