drm/radeon: Use pflip irqs for pageflip completion if possible. (v2)

[linux-2.6-block.git] / drivers / gpu / drm / radeon / evergreen.c

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index cb2043973583f6c2d8602021902e447a1154f1be..4fedd14e670aeb33e07fadcf5ff2564c2cc2681c 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -4964,7 +4964,8 @@ restart_ih:
                case 16: /* D5 page flip */
                case 18: /* D6 page flip */
                        DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
-                       radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
+                       if (radeon_use_pflipirq > 0)
+                               radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
                        break;
                case 42: /* HPD hotplug */
                        switch (src_data) {