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Subject[PATCH 1/2] drm/amd/amdgpu_dm/mst: Remove useless sideband tracing
Date
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).

Signed-off-by: Lyude Paul <lyude@redhat.com>
---
.../display/amdgpu_dm/amdgpu_dm_mst_types.c | 43 -------------------
1 file changed, 43 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index e8208df420d9..7f2293016446 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -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)
{
--
2.25.1
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