diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_io_utils.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_io_utils.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_io_utils.c b/drivers/gpu/drm/msm/msm_io_utils.c index 7b504617833a..d02cd29ce829 100644 --- a/drivers/gpu/drm/msm/msm_io_utils.c +++ b/drivers/gpu/drm/msm/msm_io_utils.c @@ -5,6 +5,8 @@ * Author: Rob Clark <robdclark@gmail.com> */ +#include <linux/interconnect.h> + #include "msm_drv.h" /* @@ -124,3 +126,23 @@ void msm_hrtimer_work_init(struct msm_hrtimer_work *work, work->worker = worker; kthread_init_work(&work->work, fn); } + +struct icc_path *msm_icc_get(struct device *dev, const char *name) +{ + struct device *mdss_dev = dev->parent; + struct icc_path *path; + + path = of_icc_get(dev, name); + if (path) + return path; + + /* + * If there are no interconnects attached to the corresponding device + * node, of_icc_get() will return NULL. + * + * If the MDP5/DPU device node doesn't have interconnects, lookup the + * path in the parent (MDSS) device. + */ + return of_icc_get(mdss_dev, name); + +} |