Commit 0ad6ef2c authored by Chris Wilson's avatar Chris Wilson

drm/i915/dp: Boost timeout for enabling transcoder to 100ms

Adam Hill reported that his Arrandale system required a much longer, up
to 200x500us, wait for the panel to initialise or else modesetting would
fail.

References:

  https://bugs.freedesktop.org/show_bug.cgi?id=29141Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reported-and-tested-by: default avatarAdam Hill <sidepipeuk@yahoo.co.uk>
parent 4e6cfefc
...@@ -2069,7 +2069,7 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode) ...@@ -2069,7 +2069,7 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
I915_WRITE(transconf_reg, temp | TRANS_ENABLE); I915_WRITE(transconf_reg, temp | TRANS_ENABLE);
I915_READ(transconf_reg); I915_READ(transconf_reg);
if (wait_for(I915_READ(transconf_reg) & TRANS_STATE_ENABLE, 10, 0)) if (wait_for(I915_READ(transconf_reg) & TRANS_STATE_ENABLE, 100, 1))
DRM_ERROR("failed to enable transcoder\n"); DRM_ERROR("failed to enable transcoder\n");
} }
......
Markdown is supported
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