CRTCs might have a NULL mode if they're being disabled.
Signed-off-by: Daniel Stone daniels@collabora.com --- drivers/gpu/drm/tegra/sor.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index d0eaa48..0f8aa2c 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -1282,7 +1282,8 @@ tegra_sor_encoder_atomic_check(struct drm_encoder *encoder, { struct tegra_output *output = encoder_to_output(encoder); struct tegra_dc *dc = to_tegra_dc(conn_state->crtc); - unsigned long pclk = crtc_state->mode->clock * 1000; + unsigned long pclk = + crtc_state->mode ? crtc_state->mode->clock * 1000 : 0; struct tegra_sor *sor = to_sor(output); int err;