Check return pointer from intel_crtc_for_plane() before dereferencing
it, as it can be NULL.
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Caz Yokoyama <caz.yokoyama@xxxxxxxxx>
Cc: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
Signed-off-by: Harish Chegondi <harish.chegondi@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index bdf97a8c9ef3..c7a4d8d971d7 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2373,7 +2373,7 @@ static void i9xx_update_wm(struct drm_i915_private *dev_priv)
else
fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_A);
crtc = intel_crtc_for_plane(dev_priv, PLANE_A);
- if (intel_crtc_active(crtc)) {
+ if (crtc && intel_crtc_active(crtc)) {
const struct drm_display_mode *pipe_mode =
&crtc->config->hw.pipe_mode;
const struct drm_framebuffer *fb =
@@ -2403,7 +2403,7 @@ static void i9xx_update_wm(struct drm_i915_private *dev_priv)
else
fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_B);
crtc = intel_crtc_for_plane(dev_priv, PLANE_B);
- if (intel_crtc_active(crtc)) {
+ if (crtc && intel_crtc_active(crtc)) {
const struct drm_display_mode *pipe_mode =
&crtc->config->hw.pipe_mode;
const struct drm_framebuffer *fb =
--
2.31.1
