void evdi_flip_scanout_buffer(struct evdi_device *evdi) { struct evdi_painter *painter = evdi->painter; painter_lock(painter); if (painter->new_scanout_fb) drm_framebuffer_reference(&painter->new_scanout_fb->base); if (painter->scanout_fb) drm_framebuffer_unreference(&painter->scanout_fb->base); painter->scanout_fb = painter->new_scanout_fb; painter_unlock(painter); }
static void pageflip_cb(struct msm_fence_cb *cb) { struct mdp4_crtc *mdp4_crtc = container_of(cb, struct mdp4_crtc, pageflip_cb); struct drm_crtc *crtc = &mdp4_crtc->base; struct drm_framebuffer *fb = crtc->primary->fb; if (!fb) return; drm_framebuffer_reference(fb); mdp4_plane_set_scanout(mdp4_crtc->plane, fb); update_scanout(crtc, fb); }
static void update_fb(struct drm_crtc *crtc, bool async, struct drm_framebuffer *new_fb) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct drm_framebuffer *old_fb = mdp4_crtc->fb; if (old_fb) drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb); /* grab reference to incoming scanout fb: */ drm_framebuffer_reference(new_fb); mdp4_crtc->base.fb = new_fb; mdp4_crtc->fb = new_fb; if (!async) { /* enable vblank to pick up the old_fb */ mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); } }
static struct drm_plane_state * mdp5_plane_duplicate_state(struct drm_plane *plane) { struct mdp5_plane_state *mdp5_state; if (WARN_ON(!plane->state)) return NULL; mdp5_state = kmemdup(to_mdp5_plane_state(plane->state), sizeof(*mdp5_state), GFP_KERNEL); if (mdp5_state && mdp5_state->base.fb) drm_framebuffer_reference(mdp5_state->base.fb); mdp5_state->mode_changed = false; mdp5_state->pending = false; return &mdp5_state->base; }
static int omap_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h) { struct omap_plane *omap_plane = to_omap_plane(plane); omap_plane->enabled = true; if (plane->fb) drm_framebuffer_unreference(plane->fb); drm_framebuffer_reference(fb); return omap_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h, NULL, NULL); }
static int mdp4_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 mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct mdp4_kms *mdp4_kms = get_kms(crtc); enum mdp4_dma dma = mdp4_crtc->dma; int ret, ovlp = mdp4_crtc->ovlp; mode = adjusted_mode; DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", mdp4_crtc->name, mode->base.id, mode->name, mode->vrefresh, mode->clock, mode->hdisplay, mode->hsync_start, mode->hsync_end, mode->htotal, mode->vdisplay, mode->vsync_start, mode->vsync_end, mode->vtotal, mode->type, mode->flags); /* grab extra ref for update_scanout() */ drm_framebuffer_reference(crtc->primary->fb); ret = mdp4_plane_mode_set(mdp4_crtc->plane, crtc, crtc->primary->fb, 0, 0, mode->hdisplay, mode->vdisplay, x << 16, y << 16, mode->hdisplay << 16, mode->vdisplay << 16); if (ret) { drm_framebuffer_unreference(crtc->primary->fb); dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", mdp4_crtc->name, ret); return ret; } mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_SIZE(dma), MDP4_DMA_SRC_SIZE_WIDTH(mode->hdisplay) | MDP4_DMA_SRC_SIZE_HEIGHT(mode->vdisplay)); /* take data from pipe: */ mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_BASE(dma), 0); mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_STRIDE(dma), crtc->primary->fb->pitches[0]); mdp4_write(mdp4_kms, REG_MDP4_DMA_DST_SIZE(dma), MDP4_DMA_DST_SIZE_WIDTH(0) | MDP4_DMA_DST_SIZE_HEIGHT(0)); mdp4_write(mdp4_kms, REG_MDP4_OVLP_BASE(ovlp), 0); mdp4_write(mdp4_kms, REG_MDP4_OVLP_SIZE(ovlp), MDP4_OVLP_SIZE_WIDTH(mode->hdisplay) | MDP4_OVLP_SIZE_HEIGHT(mode->vdisplay)); mdp4_write(mdp4_kms, REG_MDP4_OVLP_STRIDE(ovlp), crtc->primary->fb->pitches[0]); mdp4_write(mdp4_kms, REG_MDP4_OVLP_CFG(ovlp), 1); if (dma == DMA_E) { mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(0), 0x00ff0000); mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(1), 0x00ff0000); mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(2), 0x00ff0000); } update_fb(crtc, crtc->primary->fb); update_scanout(crtc, crtc->primary->fb); return 0; }