From: Andy Shevchenko Date: Mon, 1 Sep 2014 11:12:01 +0000 (+0300) Subject: drm: i915: reduce memory footprint when debugging X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a8e98153627dfbb10ff4dd65729676115a932b2e;p=linux-beck.git drm: i915: reduce memory footprint when debugging There is no need to use hex_dump_to_buffer() since we have a kernel helper to dump up to 64 bytes just via printk(). In our case the actual size is 15 bytes. Signed-off-by: Andy Shevchenko Reviewed-by: Jani Nikula [danvet: Add cast since %*ph expects and int for the size parameter.] Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 93bc0267c4b0..9d655a6b1c61 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3368,15 +3368,11 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) struct drm_device *dev = dig_port->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - char dpcd_hex_dump[sizeof(intel_dp->dpcd) * 3]; - if (intel_dp_dpcd_read_wake(&intel_dp->aux, 0x000, intel_dp->dpcd, sizeof(intel_dp->dpcd)) < 0) return false; /* aux transfer failed */ - hex_dump_to_buffer(intel_dp->dpcd, sizeof(intel_dp->dpcd), - 32, 1, dpcd_hex_dump, sizeof(dpcd_hex_dump), false); - DRM_DEBUG_KMS("DPCD: %s\n", dpcd_hex_dump); + DRM_DEBUG_KMS("DPCD: %*ph\n", (int) sizeof(intel_dp->dpcd), intel_dp->dpcd); if (intel_dp->dpcd[DP_DPCD_REV] == 0) return false; /* DPCD not present */