summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_display.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0e359225a197..5647ce4b3ec7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6377,7 +6377,9 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base)
intel_crtc->cursor_visible = visible;
}
/* and commit changes on next vblank */
+ POSTING_READ(CURCNTR(pipe));
I915_WRITE(CURBASE(pipe), base);
+ POSTING_READ(CURBASE(pipe));
}
static void ivb_update_cursor(struct drm_crtc *crtc, u32 base)
@@ -6402,7 +6404,9 @@ static void ivb_update_cursor(struct drm_crtc *crtc, u32 base)
intel_crtc->cursor_visible = visible;
}
/* and commit changes on next vblank */
+ POSTING_READ(CURCNTR_IVB(pipe));
I915_WRITE(CURBASE_IVB(pipe), base);
+ POSTING_READ(CURBASE_IVB(pipe));
}
/* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */