From: Madhav Chauhan Date: Wed, 1 Mar 2017 18:31:22 +0000 (+0530) Subject: drm/i915/glk: Fix DSI enable I/O sequence X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9ce53745edd515ebfc1d5f9bd3ded77dabce27fd;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 --- 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));