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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: 4644848369 ("drm/i915/glk: Add MIPIIO Enable/disable sequence")
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1488393082-30660-1-git-send-email-madhav.chauhan@intel.com
This commit is contained in:
Madhav Chauhan 2017-03-02 00:01:22 +05:30 committed by Jani Nikula
parent 13e867f6fa
commit 9ce53745ed
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/intel_dsi.c
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@ -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));