drm/radeon: reduce memory footprint for debugging
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 4 Sep 2014 12:46:24 +0000 (15:46 +0300)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 9 Sep 2014 14:55:35 +0000 (10:55 -0400)
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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/atombios_dp.c

index b1e11f8434e28badd30572219b1d095a6a06adc4..ac14b67621d36f7a068de85103e06ba644915ea3 100644 (file)
@@ -405,16 +405,13 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector)
        u8 msg[DP_DPCD_SIZE];
        int ret;
 
-       char dpcd_hex_dump[DP_DPCD_SIZE * 3];
-
        ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg,
                               DP_DPCD_SIZE);
        if (ret > 0) {
                memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE);
 
-               hex_dump_to_buffer(dig_connector->dpcd, sizeof(dig_connector->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(dig_connector->dpcd),
+                             dig_connector->dpcd);
 
                radeon_dp_probe_oui(radeon_connector);