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drm/radeon: reduce memory footprint for 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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andy Shevchenko 2014-09-04 15:46:24 +03:00 committed by Alex Deucher
parent 1952f24d0f
commit df8fbc231b
1 changed files with 2 additions and 5 deletions
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7
drivers/gpu/drm/radeon/atombios_dp.c
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@ -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);