[Intel-gfx] [PATCH] drm/i915/glk: Fix DSI enable I/O sequence

Madhav Chauhan madhav.chauhan at intel.com
Wed Mar 1 18:31:22 UTC 2017


One of the if statement covers the next line in enable I/O sequence.
This patch correct the same by adding error message.

Signed-off-by: Madhav Chauhan <madhav.chauhan at 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 8e97bae3..c92004b 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));
-- 
1.9.1



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