Commit e7e164db authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter
Browse files

drm/i915: Assert that the transcoder is indeed off before modifying it

Inspired by a recent regression that seems to confuse pch transcoder
state, let's be a bit more paranoid.


Cc: Jesse Barnes <>
Signed-off-by: default avatarChris Wilson <>
[danvet: Pimped commit message.]
Signed-off-by: default avatarDaniel Vetter <>
parent c14f5286
......@@ -2782,6 +2782,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
int pipe = intel_crtc->pipe;
u32 reg, temp;
assert_transcoder_disabled(dev_priv, pipe);
/* For PCH output, training FDI link */
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment