[4.2.y-ckt stable] Patch "drm/amdgpu: iceland use CI based MC IP" has been added to the 4.2.y-ckt tree

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    drm/amdgpu: iceland use CI based MC IP

to the linux-4.2.y-queue branch of the 4.2.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-4.2.y-queue

This patch is scheduled to be released in version 4.2.8-ckt5.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 4.2.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

---8<------------------------------------------------------------

>From c3435e422325594b23da498677d6a83270723e80 Mon Sep 17 00:00:00 2001
From: Ken Wang <Qingqing.Wang at amd.com>
Date: Wed, 3 Feb 2016 19:16:54 +0800
Subject: drm/amdgpu: iceland use CI based MC IP
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit 429c45deae6e57f1bb91bfb05b671063fb0cef60 upstream.

Reviewed-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Ken Wang <Qingqing.Wang at amd.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 10 +++++++++-
 drivers/gpu/drm/amd/amdgpu/vi.c       |  7 ++++---
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index c735b86..9557571 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -42,6 +42,7 @@ static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev);

 MODULE_FIRMWARE("radeon/boniare_mc.bin");
 MODULE_FIRMWARE("radeon/hawaii_mc.bin");
+MODULE_FIRMWARE("amdgpu/topaz_mc.bin");

 /**
  * gmc8_mc_wait_for_idle - wait for MC idle callback.
@@ -132,13 +133,20 @@ static int gmc_v7_0_init_microcode(struct amdgpu_device *adev)
 	case CHIP_HAWAII:
 		chip_name = "hawaii";
 		break;
+	case CHIP_TOPAZ:
+		chip_name = "topaz";
+		break;
 	case CHIP_KAVERI:
 	case CHIP_KABINI:
 		return 0;
 	default: BUG();
 	}

-	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+	if(adev->asic_type == CHIP_TOPAZ)
+		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
+	else
+		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+
 	err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
 	if (err)
 		goto out;
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 9ffa56c..5acaefc 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -60,6 +60,7 @@
 #include "vi.h"
 #include "vi_dpm.h"
 #include "gmc_v8_0.h"
+#include "gmc_v7_0.h"
 #include "gfx_v8_0.h"
 #include "sdma_v2_4.h"
 #include "sdma_v3_0.h"
@@ -1027,10 +1028,10 @@ static const struct amdgpu_ip_block_version topaz_ip_blocks[] =
 	},
 	{
 		.type = AMD_IP_BLOCK_TYPE_GMC,
-		.major = 8,
-		.minor = 0,
+		.major = 7,
+		.minor = 4,
 		.rev = 0,
-		.funcs = &gmc_v8_0_ip_funcs,
+		.funcs = &gmc_v7_0_ip_funcs,
 	},
 	{
 		.type = AMD_IP_BLOCK_TYPE_IH,
--
2.7.0