It is possible that there is no drm_framebuffer associated with a given plane state.
Signed-off-by: Paul Cercueil paul@crapouillou.net --- drivers/gpu/drm/ingenic/ingenic-drm.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c index 2e2ed653e9c6..6dc4b06e7e68 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm.c @@ -371,14 +371,17 @@ static void ingenic_drm_plane_atomic_update(struct drm_plane *plane, struct ingenic_drm *priv = drm_plane_get_priv(plane); struct drm_plane_state *state = plane->state; unsigned int width, height, cpp; + struct drm_framebuffer *fb = state->fb;
- width = state->crtc->state->adjusted_mode.hdisplay; - height = state->crtc->state->adjusted_mode.vdisplay; - cpp = state->fb->format->cpp[plane->index]; + if (fb) { + width = state->crtc->state->adjusted_mode.hdisplay; + height = state->crtc->state->adjusted_mode.vdisplay; + cpp = fb->format->cpp[plane->index];
- priv->dma_hwdesc->addr = drm_fb_cma_get_gem_addr(state->fb, state, 0); - priv->dma_hwdesc->cmd = width * height * cpp / 4; - priv->dma_hwdesc->cmd |= JZ_LCD_CMD_EOF_IRQ; + priv->dma_hwdesc->addr = drm_fb_cma_get_gem_addr(fb, state, 0); + priv->dma_hwdesc->cmd = width * height * cpp / 4; + priv->dma_hwdesc->cmd |= JZ_LCD_CMD_EOF_IRQ; + } }
static void ingenic_drm_encoder_atomic_mode_set(struct drm_encoder *encoder,