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path: root/drivers/gpu/drm/i915/intel_tv.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_tv.c')
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 9ca917931afb..5b28b4e7ebe7 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1213,20 +1213,17 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
tv_ctl |= TV_TRILEVEL_SYNC;
if (tv_mode->pal_burst)
tv_ctl |= TV_PAL_BURST;
+
scctl1 = 0;
- /* dda1 implies valid video levels */
- if (tv_mode->dda1_inc) {
+ if (tv_mode->dda1_inc)
scctl1 |= TV_SC_DDA1_EN;
- }
-
if (tv_mode->dda2_inc)
scctl1 |= TV_SC_DDA2_EN;
-
if (tv_mode->dda3_inc)
scctl1 |= TV_SC_DDA3_EN;
-
scctl1 |= tv_mode->sc_reset;
- scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
+ if (video_levels)
+ scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT;
scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT |