The patch below does not apply to the 4.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 951e09624a9f417f0b64c872f71feb6738905086 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Tue, 2 Feb 2016 16:22:15 -0500
Subject: [PATCH] drm/amdgpu: load MEC ucode manually on iceland
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The smc doesn't handle it.
Reviewed-by: Ken Wang <Qingqing.Wang@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 87c3332f45e3..8f8ec37ecd88 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3851,10 +3851,16 @@ static int gfx_v8_0_cp_resume(struct amdgpu_device *adev)
if (r)
return -EINVAL;
- r = adev->smu.smumgr_funcs->check_fw_load_finish(adev,
- AMDGPU_UCODE_ID_CP_MEC1);
- if (r)
- return -EINVAL;
+ if (adev->asic_type == CHIP_TOPAZ) {
+ r = gfx_v8_0_cp_compute_load_microcode(adev);
+ if (r)
+ return r;
+ } else {
+ r = adev->smu.smumgr_funcs->check_fw_load_finish(adev,
+ AMDGPU_UCODE_ID_CP_MEC1);
+ if (r)
+ return -EINVAL;
+ }
}
}
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