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=29141 Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> Reported-by: Adam Hill <sidepip...@yahoo.co.uk> --- drivers/gpu/drm/i915/intel_display.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index eb0f8ff..c0ab92f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2056,7 +2056,7 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode) I915_WRITE(transconf_reg, temp | TRANS_ENABLE); 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"); } -- 1.7.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
