It is possible that there is no drm_framebuffer associated with a given
plane state.
Signed-off-by: Paul Cercueil <p...@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,
--
2.24.0
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