Signed-off-by: Egbert Eich eich@suse.com --- drivers/gpu/drm/mgag200/mgag200_mode.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 251784a..2fe1f64 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1251,6 +1251,24 @@ static void mga_crtc_destroy(struct drm_crtc *crtc) kfree(mga_crtc); }
+static void mga_crtc_disable(struct drm_crtc *crtc) +{ + int ret; + DRM_DEBUG_KMS("\n"); + mga_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->fb) { + struct mga_framebuffer *mga_fb = to_mga_framebuffer(crtc->fb); + struct drm_gem_object *obj = mga_fb->obj; + struct mgag200_bo *bo = gem_to_mga_bo(obj); + ret = mgag200_bo_reserve(bo, false); + if (ret) + return; + mgag200_bo_push_sysram(bo); + mgag200_bo_unreserve(bo); + } + crtc->fb = NULL; +} + /* These provide the minimum set of functions required to handle a CRTC */ static const struct drm_crtc_funcs mga_crtc_funcs = { .cursor_set = mga_crtc_cursor_set, @@ -1261,6 +1279,7 @@ static const struct drm_crtc_funcs mga_crtc_funcs = { };
static const struct drm_crtc_helper_funcs mga_helper_funcs = { + .disable = mga_crtc_disable, .dpms = mga_crtc_dpms, .mode_fixup = mga_crtc_mode_fixup, .mode_set = mga_crtc_mode_set,