Patch "drm/amdgpu: iceland use CI based MC IP" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

drm/amdgpu: iceland use CI based MC IP

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
drm-amdgpu-iceland-use-ci-based-mc-ip.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Ken Wang <[email protected]>
Date: Wed, 3 Feb 2016 19:16:54 +0800
Subject: drm/amdgpu: iceland use CI based MC IP
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From: Ken Wang <[email protected]>

commit 429c45deae6e57f1bb91bfb05b671063fb0cef60 upstream.

---
 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(-)

@@ -42,6 +42,7 @@ static void gmc_v7_0_set_irq_funcs(struc
 
 MODULE_FIRMWARE("radeon/bonaire_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(struc
 	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;

@@ -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"

@@ -1128,10 +1129,10 @@ static const struct amdgpu_ip_block_vers
 	},
 	{
 		.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,

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/drm-amdgpu-drop-topaz-support-from-gmc8-module.patch queue-4.4/drm-amdgpu-remove-exp-hardware-support-from-iceland.patch queue-4.4/drm-amdgpu-pull-topaz-gmc-bits-into-gmc_v7.patch queue-4.4/drm-amdgpu-the-vi-specific-exe-bit-should-only-apply-to-gmc-v8.0-above.patch queue-4.4/drm-amdgpu-move-gmc7-support-out-of-cik-dependency.patch queue-4.4/drm-amdgpu-iceland-use-ci-based-mc-ip.patch queue-4.4/drm-amdgpu-fix-tonga-smu-resume.patch queue-4.4/drm-amdgpu-don-t-load-mec2-on-topaz.patch queue-4.4/drm-amdgpu-no-need-to-load-mc-firmware-on-fiji.patch