From 9ce53745edd515ebfc1d5f9bd3ded77dabce27fd Mon Sep 17 00:00:00 2001 From: Madhav Chauhan Date: Thu, 2 Mar 2017 00:01:22 +0530 Subject: [PATCH] drm/i915/glk: Fix DSI enable I/O sequence One of the if statement covers the next line in enable I/O sequence. This patch correct the same by adding error message. Fixes: 4644848369c0 ("drm/i915/glk: Add MIPIIO Enable/disable sequence") Reported-by: Chris Wilson Signed-off-by: Madhav Chauhan Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1488393082-30660-1-git-send-email-madhav.chauhan@intel.com --- drivers/gpu/drm/i915/intel_dsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index dd38b6835528..323fc097c3ee 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -425,6 +425,7 @@ static void glk_dsi_device_ready(struct intel_encoder *encoder) if (intel_wait_for_register(dev_priv, MIPI_CTRL(port), GLK_ULPS_NOT_ACTIVE, GLK_ULPS_NOT_ACTIVE, 20)) + DRM_ERROR("ULPS is still active\n"); /* Exit ULPS */ val = I915_READ(MIPI_DEVICE_READY(port)); -- 2.20.1