diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/igt_psr.c | 10 | ||||
| -rw-r--r-- | lib/igt_psr.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/igt_psr.c b/lib/igt_psr.c index c105bb6e..82012e6d 100644 --- a/lib/igt_psr.c +++ b/lib/igt_psr.c @@ -129,3 +129,13 @@ bool psr_disable(int debugfs_fd) { return psr_set(debugfs_fd, false); } + +bool psr_sink_support(int debugfs_fd) +{ + char buf[PSR_STATUS_MAX_LEN]; + int ret; + + ret = igt_debugfs_simple_read(debugfs_fd, "i915_edp_psr_status", buf, + sizeof(buf)); + return ret > 0 && strstr(buf, "Sink_Support: yes\n"); +} diff --git a/lib/igt_psr.h b/lib/igt_psr.h index 96f7bedf..d3336c2d 100644 --- a/lib/igt_psr.h +++ b/lib/igt_psr.h @@ -34,5 +34,6 @@ bool psr_wait_entry(int debugfs_fd); bool psr_wait_exit(int debugfs_fd); bool psr_enable(int debugfs_fd); bool psr_disable(int debugfs_fd); +bool psr_sink_support(int debugfs_fd); #endif |