drm/amdgpu: simplify DPCD debug output

Use %*ph rather than walking the array.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
index 7287aa8c27cf611f9721c8ac8da4bd1c4a5e7f70..d54c4b81f0f3860eb704e8e6ddd2470869dbde65 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
@@ -358,16 +358,15 @@ int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector)
 {
        struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;
        u8 msg[DP_DPCD_SIZE];
-       int ret, i;
+       int ret;
 
        ret = drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, DP_DPCD_REV, msg,
                               DP_DPCD_SIZE);
        if (ret > 0) {
                memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE);
-               DRM_DEBUG_KMS("DPCD: ");
-               for (i = 0; i < DP_DPCD_SIZE; i++)
-                       DRM_DEBUG_KMS("%02x ", msg[i]);
-               DRM_DEBUG_KMS("\n");
+
+               DRM_DEBUG_KMS("DPCD: %*ph\n", (int)sizeof(dig_connector->dpcd),
+                             dig_connector->dpcd);
 
                amdgpu_atombios_dp_probe_oui(amdgpu_connector);