Patch "drm/amdgpu/gmc: move vram type fetching into sw_init" has been added to the 4.5-stable tree

Patch "drm/amdgpu/gmc: move vram type fetching into sw_init" has been added to the 4.5-stable tree

[gregkh]

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

    drm/amdgpu/gmc: move vram type fetching into sw_init

to the 4.5-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-gmc-move-vram-type-fetching-into-sw_init.patch
and it can be found in the queue-4.5 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From d1518a1db31a25682ea09c4b135fa72d9883be42 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 31 Mar 2016 16:07:38 -0400
Subject: drm/amdgpu/gmc: move vram type fetching into sw_init

From: Alex Deucher <alexander.deucher@amd.com>

commit d1518a1db31a25682ea09c4b135fa72d9883be42 upstream.

early_init gets called before atom asic init so on non-posted
cards, the vram type is not initialized.

Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c |   16 ++++++++--------
 drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c |   16 ++++++++--------
 2 files changed, 16 insertions(+), 16 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -902,14 +902,6 @@ static int gmc_v7_0_early_init(void *han
 	gmc_v7_0_set_gart_funcs(adev);
 	gmc_v7_0_set_irq_funcs(adev);
 
-	if (adev->flags & AMD_IS_APU) {
-		adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
-	} else {
-		u32 tmp = RREG32(mmMC_SEQ_MISC0);
-		tmp &= MC_SEQ_MISC0__MT__MASK;
-		adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp);
-	}
-
 	return 0;
 }
 
@@ -930,6 +922,14 @@ static int gmc_v7_0_sw_init(void *handle
 	if (r)
 		return r;
 
+	if (adev->flags & AMD_IS_APU) {
+		adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
+	} else {
+		u32 tmp = RREG32(mmMC_SEQ_MISC0);
+		tmp &= MC_SEQ_MISC0__MT__MASK;
+		adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp);
+	}
+
 	r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault);
 	if (r)
 		return r;
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -856,14 +856,6 @@ static int gmc_v8_0_early_init(void *han
 	gmc_v8_0_set_gart_funcs(adev);
 	gmc_v8_0_set_irq_funcs(adev);
 
-	if (adev->flags & AMD_IS_APU) {
-		adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
-	} else {
-		u32 tmp = RREG32(mmMC_SEQ_MISC0);
-		tmp &= MC_SEQ_MISC0__MT__MASK;
-		adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp);
-	}
-
 	return 0;
 }
 
@@ -884,6 +876,14 @@ static int gmc_v8_0_sw_init(void *handle
 	if (r)
 		return r;
 
+	if (adev->flags & AMD_IS_APU) {
+		adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
+	} else {
+		u32 tmp = RREG32(mmMC_SEQ_MISC0);
+		tmp &= MC_SEQ_MISC0__MT__MASK;
+		adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp);
+	}
+
 	r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault);
 	if (r)
 		return r;


Patches currently in stable-queue which might be from alexander.deucher@amd.com are

queue-4.5/drm-radeon-add-a-dpm-quirk-for-all-r7-370-parts.patch
queue-4.5/drm-radeon-add-a-dpm-quirk-for-sapphire-dual-x-r7-370-2g-d5.patch
queue-4.5/drm-radeon-add-another-r7-370-quirk.patch
queue-4.5/drm-amd-powerplay-fix-segment-fault-issue-in-multi-display-case.patch
queue-4.5/drm-amdgpu-gmc-use-proper-register-for-vram-type-on-fiji.patch
queue-4.5/drm-amdgpu-gmc-move-vram-type-fetching-into-sw_init.patch