This is a note to let you know that I've just added the patch titled
drm/amdgpu/gfx6: properly cache mc_arb_ramcfg
to the 4.12-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-gfx6-properly-cache-mc_arb_ramcfg.patch
and it can be found in the queue-4.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6653ebd48f493efe3f3598ff3fe7b3d5451665df Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Fri, 2 Jun 2017 16:30:46 -0400
Subject: drm/amdgpu/gfx6: properly cache mc_arb_ramcfg
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 6653ebd48f493efe3f3598ff3fe7b3d5451665df upstream.
This was missing for gfx6.
Acked-by: Huang Rui <ray.huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -1688,7 +1688,8 @@ static void gfx_v6_0_gpu_init(struct amd
WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
mc_shared_chmap = RREG32(mmMC_SHARED_CHMAP);
- mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG);
+ adev->gfx.config.mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG);
+ mc_arb_ramcfg = adev->gfx.config.mc_arb_ramcfg;
adev->gfx.config.num_tile_pipes = adev->gfx.config.max_tile_pipes;
adev->gfx.config.mem_max_burst_length_bytes = 256;
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-4.12/drm-amdgpu-gfx6-properly-cache-mc_arb_ramcfg.patch