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[RFC,37/37] Tegra: SOR: Don't always assume a valid mode

Message ID 1426739616-10635-37-git-send-email-daniels@collabora.com (mailing list archive)
State New, archived
Headers show

Commit Message

Daniel Stone March 19, 2015, 4:33 a.m. UTC 
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(-)
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Patch

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;