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drm/amd/amdgpu_dm/mst: Remove useless sideband tracing

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We already trace DPCD reads/writes on both MST and SST, there's no
reason to have this code here (plus, toggling these things with a
define at the top of the file isn't how we do things in the kernel).

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lyude Paul 2020-03-31 17:22:23 -04:00 committed by Alex Deucher
parent a500194e73
commit a98c4cd926
1 changed files with 0 additions and 43 deletions
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43
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
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@ -41,53 +41,10 @@
#include "amdgpu_dm_debugfs.h"
#endif
#if defined(CONFIG_DRM_AMD_DC_DCN)
#include "dc/dcn20/dcn20_resource.h"
#endif
/* #define TRACE_DPCD */
#ifdef TRACE_DPCD
#define SIDE_BAND_MSG(address) (address >= DP_SIDEBAND_MSG_DOWN_REQ_BASE && address < DP_SINK_COUNT_ESI)
static inline char *side_band_msg_type_to_str(uint32_t address)
{
static char str[10] = {0};
if (address < DP_SIDEBAND_MSG_UP_REP_BASE)
strcpy(str, "DOWN_REQ");
else if (address < DP_SIDEBAND_MSG_DOWN_REP_BASE)
strcpy(str, "UP_REP");
else if (address < DP_SIDEBAND_MSG_UP_REQ_BASE)
strcpy(str, "DOWN_REP");
else
strcpy(str, "UP_REQ");
return str;
}
static void log_dpcd(uint8_t type,
uint32_t address,
uint8_t *data,
uint32_t size,
bool res)
{
DRM_DEBUG_KMS("Op: %s, addr: %04x, SideBand Msg: %s, Op res: %s\n",
(type == DP_AUX_NATIVE_READ) ||
(type == DP_AUX_I2C_READ) ?
"Read" : "Write",
address,
SIDE_BAND_MSG(address) ?
side_band_msg_type_to_str(address) : "Nop",
res ? "OK" : "Fail");
if (res) {
print_hex_dump(KERN_INFO, "Body: ", DUMP_PREFIX_NONE, 16, 1, data, size, false);
}
}
#endif
static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
struct drm_dp_aux_msg *msg)
{