This is a note to let you know that I've just added the patch titled
drm/amdgpu: fix enable_cp_power_gating in gfx_v8.0.
to the 4.9-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-fix-enable_cp_power_gating-in-gfx_v8.0.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From eb584241226958d45aa1f07f4f6a6ea9da98b29e Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@xxxxxxx>
Date: Wed, 7 Dec 2016 17:22:25 +0800
Subject: drm/amdgpu: fix enable_cp_power_gating in gfx_v8.0.
From: Rex Zhu <Rex.Zhu@xxxxxxx>
commit eb584241226958d45aa1f07f4f6a6ea9da98b29e upstream.
the CP_PG_DISABLE bit was reversed.
Signed-off-by: Rex Zhu <Rex.Zhu@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3994,7 +3994,7 @@ static void cz_enable_sck_slow_down_on_p
static void cz_enable_cp_power_gating(struct amdgpu_device *adev, bool enable)
{
- WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 1 : 0);
+ WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 0 : 1);
}
static void gfx_v8_0_init_pg(struct amdgpu_device *adev)
Patches currently in stable-queue which might be from Rex.Zhu@xxxxxxx are
queue-4.9/drm-amdgpu-fix-enable_cp_power_gating-in-gfx_v8.0.patch
queue-4.9/drm-amdgpu-fix-init-save-restore-list-in-gfx_v8.0.patch
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