disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
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@@ -352,6 +352,7 @@
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 	uint32_t count = 0;
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 	unsigned int table_index = 0;
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 	bool find_valid = false;
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+	struct atom_gpio_pin_assignment *pin;
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 	if (!info)
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 		return BP_RESULT_BADINPUT;
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@@ -379,20 +380,17 @@
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 			- sizeof(struct atom_common_table_header))
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 				/ sizeof(struct atom_gpio_pin_assignment);
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+	pin = (struct atom_gpio_pin_assignment *) header->gpio_pin;
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+
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 	for (table_index = 0; table_index < count; table_index++) {
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-		if (((record->i2c_id & I2C_HW_CAP) == (
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-		header->gpio_pin[table_index].gpio_id &
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-						I2C_HW_CAP)) &&
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-		((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
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-		(header->gpio_pin[table_index].gpio_id &
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-					I2C_HW_ENGINE_ID_MASK)) &&
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-		((record->i2c_id & I2C_HW_LANE_MUX) ==
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-		(header->gpio_pin[table_index].gpio_id &
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-						I2C_HW_LANE_MUX))) {
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+		if (((record->i2c_id & I2C_HW_CAP) 				== (pin->gpio_id & I2C_HW_CAP)) &&
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+		    ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)	== (pin->gpio_id & I2C_HW_ENGINE_ID_MASK)) &&
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+		    ((record->i2c_id & I2C_HW_LANE_MUX) 		== (pin->gpio_id & I2C_HW_LANE_MUX))) {
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 			/* still valid */
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 			find_valid = true;
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 			break;
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 		}
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+		pin = (struct atom_gpio_pin_assignment *)((uint8_t *)pin + sizeof(struct atom_gpio_pin_assignment));
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 	}
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 	/* If we don't find the entry that we are looking for then
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@@ -408,11 +406,8 @@
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 	info->i2c_slave_address = record->i2c_slave_addr;
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 	/* TODO: check how to get register offset for en, Y, etc. */
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-	info->gpio_info.clk_a_register_index =
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-			le16_to_cpu(
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-			header->gpio_pin[table_index].data_a_reg_index);
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-	info->gpio_info.clk_a_shift =
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-			header->gpio_pin[table_index].gpio_bitshift;
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+	info->gpio_info.clk_a_register_index = le16_to_cpu(pin->data_a_reg_index);
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+	info->gpio_info.clk_a_shift = pin->gpio_bitshift;
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 	return BP_RESULT_OK;
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 }