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[v2] drm/radeon: reduce memory footprint for debugging

Message ID 1409834784-11967-1-git-send-email-andriy.shevchenko@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andy Shevchenko Sept. 4, 2014, 12:46 p.m. UTC 
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>
---
 drivers/gpu/drm/radeon/atombios_dp.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 95ea276..95d5d4a 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -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);