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drm/mgag200: Add an crtc_disable callback to the crtc helper funcs

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Signed-off-by: Egbert Eich <eich@suse.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Egbert Eich 2013-07-17 15:07:22 +02:00 committed by Dave Airlie
parent 030f19f0e2
commit 64c2907664
1 changed files with 19 additions and 0 deletions
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19
drivers/gpu/drm/mgag200/mgag200_mode.c
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@ -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,