1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 3e670d344a20..e1db25e48688 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -141,6 +141,39 @@ static void cik_fini_cg(struct radeon_device *rdev);
 static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev,
                                           bool enable);
 
+/**
+ * cik_get_allowed_info_register - fetch the register for the info ioctl
+ *
+ * @rdev: radeon_device pointer
+ * @reg: register offset in bytes
+ * @val: register value
+ *
+ * Returns 0 for success or -EINVAL for an invalid register
+ *
+ */
+int cik_get_allowed_info_register(struct radeon_device *rdev,
+                                  u32 reg, u32 *val)
+{
+        switch (reg) {
+        case GRBM_STATUS:
+        case GRBM_STATUS2:
+        case GRBM_STATUS_SE0:
+        case GRBM_STATUS_SE1:
+        case GRBM_STATUS_SE2:
+        case GRBM_STATUS_SE3:
+        case SRBM_STATUS:
+        case SRBM_STATUS2:
+        case (SDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET):
+        case (SDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET):
+        case UVD_STATUS:
+        /* TODO VCE */
+                *val = RREG32(reg);
+                return 0;
+        default:
+                return -EINVAL;
+        }
+}
+
 /* get temperature in millidegrees */
 int ci_get_temp(struct radeon_device *rdev)
 {