static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct exynos_drm_overlay *overlay = &exynos_crtc->overlay;
exynos_drm_fn_encoder(crtc, overlay,
exynos_drm_encoder_crtc_mode_set);
exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
exynos_drm_encoder_crtc_commit);
}
static int
exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode, int x, int y,
struct drm_framebuffer *old_fb)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct drm_plane *plane = exynos_crtc->plane;
unsigned int crtc_w;
unsigned int crtc_h;
int pipe = exynos_crtc->pipe;
int ret;
/*
* copy the mode data adjusted by mode_fixup() into crtc->mode
* so that hardware can be seet to proper mode.
*/
memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
crtc_w = crtc->primary->fb->width - x;
crtc_h = crtc->primary->fb->height - y;
ret = exynos_plane_mode_set(plane, crtc, crtc->primary->fb, 0, 0, crtc_w, crtc_h,
x, y, crtc_w, crtc_h);
if (ret)
return ret;
plane->crtc = crtc;
plane->fb = crtc->primary->fb;
exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe);
return 0;
}
static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct drm_device *dev = crtc->dev;
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
if (exynos_crtc->dpms == mode) {
DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
return;
}
mutex_lock(&dev->struct_mutex);
exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
exynos_crtc->dpms = mode;
mutex_unlock(&dev->struct_mutex);
}
static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
if (exynos_crtc->dpms == mode) {
DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
return;
}
if (mode > DRM_MODE_DPMS_ON) {
/* wait for the completion of page flip. */
wait_event(exynos_crtc->pending_flip_queue,
atomic_read(&exynos_crtc->pending_flip) == 0);
drm_vblank_off(crtc->dev, exynos_crtc->pipe);
}
exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
exynos_crtc->dpms = mode;
}