[PATCH 6.1 0980/1146] drm/rockchip: use pm_runtime_resume_and_get() instead of pm_runtime_get_sync()

Greg Kroah-Hartman
2022-12-28T16:54:05Z

From: Yuan Can <yuancan@huawei.com>

[ Upstream commit e3558747ebe15306e6d0b75bd6d211436be4a7d5 ]

Replace pm_runtime_get_sync() with pm_runtime_resume_and_get() to avoid
device usage counter leak.

Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220615062644.96837-1-yuancan@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 2 +-
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++--
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
index f4df9820b295..912eb4e94c59 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
@@ -1221,7 +1221,7 @@ static int dw_mipi_dsi_dphy_power_on(struct phy *phy)
return i;
}

- ret = pm_runtime_get_sync(dsi->dev);
+ ret = pm_runtime_resume_and_get(dsi->dev);
if (ret < 0) {
DRM_DEV_ERROR(dsi->dev, "failed to enable device: %d\n", ret);
return ret;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index c356de5dd220..fa1f4ee6d195 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -602,7 +602,7 @@ static int vop_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
struct vop *vop = to_vop(crtc);
int ret, i;

- ret = pm_runtime_get_sync(vop->dev);
+ ret = pm_runtime_resume_and_get(vop->dev);
if (ret < 0) {
DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
return ret;
@@ -1983,7 +1983,7 @@ static int vop_initial(struct vop *vop)
return PTR_ERR(vop->dclk);
}

- ret = pm_runtime_get_sync(vop->dev);
+ ret = pm_runtime_resume_and_get(vop->dev);
if (ret < 0) {
DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
return ret;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 105a548d0abe..8cecf81a5ae0 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -822,7 +822,7 @@ static void vop2_enable(struct vop2 *vop2)
{
int ret;

- ret = pm_runtime_get_sync(vop2->dev);
+ ret = pm_runtime_resume_and_get(vop2->dev);
if (ret < 0) {
drm_err(vop2->drm, "failed to get pm runtime: %d\n", ret);
return;
--
2.35.1