drm/amd/display: add retimer log for HWQ tuning use.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 61 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 567867915d32..1adfcdd588d6 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -54,6 +54,9 @@
 	DC_LOG_HW_HOTPLUG(  \
 		__VA_ARGS__)
 
+#define RETIMER_REDRIVER_INFO(...) \
+	DC_LOG_RETIMER_REDRIVER(  \
+		__VA_ARGS__)
 /*******************************************************************************
  * Private structures
  ******************************************************************************/
@@ -1547,6 +1550,7 @@ static void write_i2c_retimer_setting(
 	uint8_t value = 0;
 	int i = 0;
 	bool i2c_success = false;
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
 
 	memset(&buffer, 0, sizeof(buffer));
 
@@ -1560,6 +1564,9 @@ static void write_i2c_retimer_setting(
 			buffer[1] = settings->reg_settings[i].i2c_reg_val;
 			i2c_success = i2c_write(pipe_ctx, slave_address,
 						buffer, sizeof(buffer));
+			RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+				offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+				slave_address, buffer[0], buffer[1], i2c_success?1:0);
 
 			if (!i2c_success)
 				/* Write failure */
@@ -1590,6 +1597,9 @@ static void write_i2c_retimer_setting(
 				buffer[1] = value | apply_rx_tx_change;
 				i2c_success = i2c_write(pipe_ctx, slave_address,
 						buffer, sizeof(buffer));
+				RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+					offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+					slave_address, buffer[0], buffer[1], i2c_success?1:0);
 				if (!i2c_success)
 					/* Write failure */
 					ASSERT(i2c_success);
@@ -1607,6 +1617,9 @@ static void write_i2c_retimer_setting(
 				buffer[1] = settings->reg_settings_6g[i].i2c_reg_val;
 				i2c_success = i2c_write(pipe_ctx, slave_address,
 							buffer, sizeof(buffer));
+				RETIMER_REDRIVER_INFO("above 340Mhz: retimer write to slave_address = 0x%x,\
+					offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+					slave_address, buffer[0], buffer[1], i2c_success?1:0);
 
 				if (!i2c_success)
 					/* Write failure */
@@ -1637,6 +1650,9 @@ static void write_i2c_retimer_setting(
 					buffer[1] = value | apply_rx_tx_change;
 					i2c_success = i2c_write(pipe_ctx, slave_address,
 							buffer, sizeof(buffer));
+					RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+						offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+						slave_address, buffer[0], buffer[1], i2c_success?1:0);
 					if (!i2c_success)
 						/* Write failure */
 						ASSERT(i2c_success);
@@ -1653,6 +1669,9 @@ static void write_i2c_retimer_setting(
 		buffer[1] = 0x01;
 		i2c_success = i2c_write(pipe_ctx, slave_address,
 				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+				offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+				slave_address, buffer[0], buffer[1], i2c_success?1:0);
 		if (!i2c_success)
 			/* Write failure */
 			ASSERT(i2c_success);
@@ -1662,6 +1681,9 @@ static void write_i2c_retimer_setting(
 		buffer[1] = 0x23;
 		i2c_success = i2c_write(pipe_ctx, slave_address,
 				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+			offset = 0x%d, reg_val = 0x%d, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
 		if (!i2c_success)
 			/* Write failure */
 			ASSERT(i2c_success);
@@ -1671,6 +1693,9 @@ static void write_i2c_retimer_setting(
 		buffer[1] = 0x00;
 		i2c_success = i2c_write(pipe_ctx, slave_address,
 				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+			offset = 0x%d, reg_val = 0x%d, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
 		if (!i2c_success)
 			/* Write failure */
 			ASSERT(i2c_success);
@@ -1686,6 +1711,7 @@ static void write_i2c_default_retimer_setting(
 	uint8_t slave_address = (0xBA >> 1);
 	uint8_t buffer[2];
 	bool i2c_success = false;
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
 
 	memset(&buffer, 0, sizeof(buffer));
 
@@ -1695,6 +1721,9 @@ static void write_i2c_default_retimer_setting(
 	buffer[1] = 0x13;
 	i2c_success = i2c_write(pipe_ctx, slave_address,
 			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer writes default setting to slave_address = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
 	if (!i2c_success)
 		/* Write failure */
 		ASSERT(i2c_success);
@@ -1704,6 +1733,9 @@ static void write_i2c_default_retimer_setting(
 	buffer[1] = 0x17;
 	i2c_success = i2c_write(pipe_ctx, slave_address,
 			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
 	if (!i2c_success)
 		/* Write failure */
 		ASSERT(i2c_success);
@@ -1713,6 +1745,9 @@ static void write_i2c_default_retimer_setting(
 	buffer[1] = is_over_340mhz ? 0xDA : 0xD8;
 	i2c_success = i2c_write(pipe_ctx, slave_address,
 			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
 	if (!i2c_success)
 		/* Write failure */
 		ASSERT(i2c_success);
@@ -1722,6 +1757,9 @@ static void write_i2c_default_retimer_setting(
 	buffer[1] = 0x17;
 	i2c_success = i2c_write(pipe_ctx, slave_address,
 			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
 	if (!i2c_success)
 		/* Write failure */
 		ASSERT(i2c_success);
@@ -1731,6 +1769,9 @@ static void write_i2c_default_retimer_setting(
 	buffer[1] = is_over_340mhz ? 0x1D : 0x91;
 	i2c_success = i2c_write(pipe_ctx, slave_address,
 			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
 	if (!i2c_success)
 		/* Write failure */
 		ASSERT(i2c_success);
@@ -1740,6 +1781,9 @@ static void write_i2c_default_retimer_setting(
 	buffer[1] = 0x17;
 	i2c_success = i2c_write(pipe_ctx, slave_address,
 			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
 	if (!i2c_success)
 		/* Write failure */
 		ASSERT(i2c_success);
@@ -1753,6 +1797,9 @@ static void write_i2c_default_retimer_setting(
 		buffer[1] = 0x01;
 		i2c_success = i2c_write(pipe_ctx, slave_address,
 				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+			offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
 		if (!i2c_success)
 			/* Write failure */
 			ASSERT(i2c_success);
@@ -1762,6 +1809,9 @@ static void write_i2c_default_retimer_setting(
 		buffer[1] = 0x23;
 		i2c_success = i2c_write(pipe_ctx, slave_address,
 				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+			offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
 		if (!i2c_success)
 			/* Write failure */
 			ASSERT(i2c_success);
@@ -1771,6 +1821,9 @@ static void write_i2c_default_retimer_setting(
 		buffer[1] = 0x00;
 		i2c_success = i2c_write(pipe_ctx, slave_address,
 				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write default setting to slave_addr = 0x%x,\
+			offset = 0x%x, reg_val= 0x%x, i2c_success = %d end here\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
 		if (!i2c_success)
 			/* Write failure */
 			ASSERT(i2c_success);
@@ -1784,6 +1837,7 @@ static void write_i2c_redriver_setting(
 	uint8_t slave_address = (0xF0 >> 1);
 	uint8_t buffer[16];
 	bool i2c_success = false;
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
 
 	memset(&buffer, 0, sizeof(buffer));
 
@@ -1795,6 +1849,11 @@ static void write_i2c_redriver_setting(
 
 	i2c_success = i2c_write(pipe_ctx, slave_address,
 					buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("redriver write 0 to all 16 reg offset expect following:\n\
+		\t slave_addr = 0x%x, offset[3] = 0x%x, offset[4] = 0x%x,\
+		offset[5] = 0x%x,offset[6] is_over_340mhz = 0x%x,\
+		i2c_success = %d\n",
+		slave_address, buffer[3], buffer[4], buffer[5], buffer[6], i2c_success?1:0);
 
 	if (!i2c_success)
 		/* Write failure */
diff --git a/drivers/gpu/drm/amd/display/include/logger_types.h b/drivers/gpu/drm/amd/display/include/logger_types.h
index ad3695e67b76..bc5732668092 100644
--- a/drivers/gpu/drm/amd/display/include/logger_types.h
+++ b/drivers/gpu/drm/amd/display/include/logger_types.h
@@ -62,6 +62,7 @@
 #define DC_LOG_EVENT_UNDERFLOW(...) DRM_DEBUG_KMS(__VA_ARGS__)
 #define DC_LOG_IF_TRACE(...) pr_debug("[IF_TRACE]:"__VA_ARGS__)
 #define DC_LOG_PERF_TRACE(...) DRM_DEBUG_KMS(__VA_ARGS__)
+#define DC_LOG_RETIMER_REDRIVER(...) DRM_DEBUG_KMS(__VA_ARGS__)
 
 struct dal_logger;
 
@@ -99,7 +100,7 @@ enum dc_log_type {
 	LOG_IF_TRACE,
 	LOG_PERF_TRACE,
 	LOG_DISPLAYSTATS,
-
+	LOG_HDMI_RETIMER_REDRIVER,
 	LOG_SECTION_TOTAL_COUNT
 };