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| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2014-09-01 14:12:01 +0300 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-03 11:05:29 +0200 |
| commit | a8e98153627dfbb10ff4dd65729676115a932b2e (patch) | |
| tree | 7510a01abcf39ec743ca18c29df2a66e1e99ec34 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | drm/i915: Don't use WaGsvRC0ResidenncyMethod on chv (diff) | |
| download | linux-dev-a8e98153627dfbb10ff4dd65729676115a932b2e.tar.xz linux-dev-a8e98153627dfbb10ff4dd65729676115a932b2e.zip | |
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 <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[danvet: Add cast since %*ph expects and int for the size parameter.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 6 |
1 files changed, 1 insertions, 5 deletions
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 */ |