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path: root/sys-kernel/linux-image-redcore-lts/files/5.4-amdgpu-dc_link-drop-some-asserts.patch
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diff -Naur linux-5.3.5/drivers/gpu/drm/amd/display/dc/core/dc_link.c linux-5.3.5-p/drivers/gpu/drm/amd/display/dc/core/dc_link.c
--- linux-5.3.5/drivers/gpu/drm/amd/display/dc/core/dc_link.c	2019-10-07 19:01:58.000000000 +0200
+++ linux-5.3.5-p/drivers/gpu/drm/amd/display/dc/core/dc_link.c	2019-10-10 23:30:11.410468583 +0200
@@ -1721,10 +1721,6 @@
 				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);
-
 			/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
 			 * needs to be set to 1 on every 0xA-0xC write.
 			 */
@@ -1740,9 +1736,6 @@
 						dal_ddc_service_query_ddc_data(
 						pipe_ctx->stream->link->ddc,
 						slave_address, &offset, 1, &value, 1);
-					if (!i2c_success)
-						/* Write failure */
-						ASSERT(i2c_success);
 				}
 
 				buffer[0] = offset;
@@ -1753,9 +1746,6 @@
 				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);
 			}
 		}
 	}
@@ -1774,9 +1764,6 @@
 					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);
 
 				/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
 				 * needs to be set to 1 on every 0xA-0xC write.
@@ -1793,9 +1780,6 @@
 								dal_ddc_service_query_ddc_data(
 								pipe_ctx->stream->link->ddc,
 								slave_address, &offset, 1, &value, 1);
-						if (!i2c_success)
-							/* Write failure */
-							ASSERT(i2c_success);
 					}
 
 					buffer[0] = offset;
@@ -1806,9 +1790,6 @@
 					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);
 				}
 			}
 		}
@@ -1825,9 +1806,6 @@
 		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);
 
 		/* Write offset 0x00 to 0x23 */
 		buffer[0] = 0x00;
@@ -1837,9 +1815,6 @@
 		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);
 
 		/* Write offset 0xff to 0x00 */
 		buffer[0] = 0xff;
@@ -1849,10 +1824,6 @@
 		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);
-
 	}
 }
 
@@ -1877,9 +1848,6 @@
 	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);
 
 	/* Write offset 0x0A to 0x17 */
 	buffer[0] = 0x0A;
@@ -1889,9 +1857,6 @@
 	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);
 
 	/* Write offset 0x0B to 0xDA or 0xD8 */
 	buffer[0] = 0x0B;
@@ -1901,9 +1866,6 @@
 	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);
 
 	/* Write offset 0x0A to 0x17 */
 	buffer[0] = 0x0A;
@@ -1913,9 +1875,6 @@
 	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);
 
 	/* Write offset 0x0C to 0x1D or 0x91 */
 	buffer[0] = 0x0C;
@@ -1925,9 +1884,6 @@
 	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);
 
 	/* Write offset 0x0A to 0x17 */
 	buffer[0] = 0x0A;
@@ -1937,9 +1893,6 @@
 	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);
 
 
 	if (is_vga_mode) {
@@ -1953,9 +1906,7 @@
 		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);
+
 
 		/* Write offset 0x00 to 0x23 */
 		buffer[0] = 0x00;
@@ -1965,9 +1916,6 @@
 		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);
 
 		/* Write offset 0xff to 0x00 */
 		buffer[0] = 0xff;
@@ -1977,9 +1925,6 @@
 		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);
 	}
 }
 
@@ -2008,9 +1953,6 @@
 		i2c_success = %d\n",
 		slave_address, buffer[3], buffer[4], buffer[5], buffer[6], i2c_success?1:0);
 
-	if (!i2c_success)
-		/* Write failure */
-		ASSERT(i2c_success);
 }
 
 static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)