drm/gma500/cdv: Unpin framebuffer on crtc disable

[pandora-kernel.git] / drivers / staging / gma500 / cdv_intel_display.c

diff --git a/drivers/staging/gma500/cdv_intel_display.c b/drivers/staging/gma500/cdv_intel_display.c
index 7b97c60..626ae47 100644 (file)
--- a/drivers/staging/gma500/cdv_intel_display.c
+++ b/drivers/staging/gma500/cdv_intel_display.c
@@ -1457,6 +1457,19 @@ static void cdv_intel_crtc_destroy(struct drm_crtc *crtc)
        kfree(psb_intel_crtc);
 }
 
+static void cdv_intel_crtc_disable(struct drm_crtc *crtc)
+{
+       struct gtt_range *gt;
+       struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+       crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+       if (crtc->fb) {
+               gt = to_psb_fb(crtc->fb)->gtt;
+               psb_gtt_unpin(gt);
+       }
+}
+
 const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
        .dpms = cdv_intel_crtc_dpms,
        .mode_fixup = cdv_intel_crtc_mode_fixup,
@@ -1464,6 +1477,7 @@ const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
        .mode_set_base = cdv_intel_pipe_set_base,
        .prepare = cdv_intel_crtc_prepare,
        .commit = cdv_intel_crtc_commit,
+       .disable = cdv_intel_crtc_disable,
 };
 
 const struct drm_crtc_funcs cdv_intel_crtc_funcs = {