1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index 6a4b020dd0b4..5a26eb4545aa 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -156,19 +156,20 @@ u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
         struct drm_device *dev = rdev->ddev;
         struct drm_crtc *crtc;
         struct radeon_crtc *radeon_crtc;
-        u32 line_time_us, vblank_lines;
+        u32 vblank_in_pixels;
         u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
 
         if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
                 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
                         radeon_crtc = to_radeon_crtc(crtc);
                         if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
-                                line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
-                                        radeon_crtc->hw_mode.clock;
-                                vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
-                                        radeon_crtc->hw_mode.crtc_vdisplay +
-                                        (radeon_crtc->v_border * 2);
-                                vblank_time_us = vblank_lines * line_time_us;
+                                vblank_in_pixels =
+                                        radeon_crtc->hw_mode.crtc_htotal *
+                                        (radeon_crtc->hw_mode.crtc_vblank_end -
+                                         radeon_crtc->hw_mode.crtc_vdisplay +
+                                         (radeon_crtc->v_border * 2));
+
+                                vblank_time_us = vblank_in_pixels * 1000 / radeon_crtc->hw_mode.clock;
                                 break;
                         }
                 }