From 30d631c8216e6609085b97fb4fa43c977e5764d6 Mon Sep 17 00:00:00 2001
From: Alexander von Gluck IV <kallisti5@unixzen.com>
Date: Thu, 30 Jun 2016 15:09:59 -0500
Subject: [PATCH] radeon_hd: Add new Polaris GPU, untested

---
 headers/private/graphics/radeon_hd/radeon_hd.h           | 6 ++++--
 src/add-ons/kernel/drivers/graphics/radeon_hd/driver.cpp | 9 ++++++++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/headers/private/graphics/radeon_hd/radeon_hd.h b/headers/private/graphics/radeon_hd/radeon_hd.h
index b9ca70e535..a832b1d1c2 100644
--- a/headers/private/graphics/radeon_hd/radeon_hd.h
+++ b/headers/private/graphics/radeon_hd/radeon_hd.h
@@ -111,7 +111,8 @@ enum radeon_chipset {
 	RADEON_HAWAII,		// DCE 8.5
 	RADEON_TOPAZ,		//Volcanic Islands, NO DCE
 	RADEON_TONGA,		// DCE 10.0
-	RADEON_CARRIZO		// DCE 11.0
+	RADEON_CARRIZO,		// DCE 11.0
+	RADEON_POLARIS		//Artic Islands, DCE 12.0
 };
 
 // !! Must match chipset families above
@@ -168,7 +169,8 @@ static const char radeon_chip_name[][MAX_NAME_LENGTH] = {
 	"Hawaii",
 	"Topaz",
 	"Tonga",
-	"Carrizo"
+	"Carrizo",
+	"Polaris"
 };
 
 
diff --git a/src/add-ons/kernel/drivers/graphics/radeon_hd/driver.cpp b/src/add-ons/kernel/drivers/graphics/radeon_hd/driver.cpp
index dec0630c6c..5a70eecc6e 100644
--- a/src/add-ons/kernel/drivers/graphics/radeon_hd/driver.cpp
+++ b/src/add-ons/kernel/drivers/graphics/radeon_hd/driver.cpp
@@ -497,7 +497,14 @@ const struct supported_device {
 	{0x9874, 11, 0, RADEON_CARRIZO, CHIP_APU, "Radeon HD Carrizo"},
 	{0x9875, 11, 0, RADEON_CARRIZO, CHIP_APU, "Radeon HD Carrizo"},
 	{0x9876, 11, 0, RADEON_CARRIZO, CHIP_APU, "Radeon HD Carrizo"},
-	{0x9877, 11, 0, RADEON_CARRIZO, CHIP_APU, "Radeon HD Carrizo"}
+	{0x9877, 11, 0, RADEON_CARRIZO, CHIP_APU, "Radeon HD Carrizo"},
+
+	// Introduced: 2016
+	// Codename: Artic Islands / Polaris
+	// Process: 14 nm
+	// Radeon RX 460 TBA
+	// Radeon RX 470 TBA
+	{0x67df, 12, 0, RADEON_POLARIS, CHIP_STD, "Radeon RX480"}
 };