linux-kernel - [PATCH 5.6 206/254] drm/amdgpu: unify fw_write

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Message-Id: <20200416131351.819382596@linuxfoundation.org>
Date:   Thu, 16 Apr 2020 15:24:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Aaron Liu <aaron.liu@....com>,
        Yuxian Dai <Yuxian.Dai@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Huang Rui <ray.huang@....com>
Subject: [PATCH 5.6 206/254] drm/amdgpu: unify fw_write_wait for new gfx9 asics

From: Aaron Liu <aaron.liu@....com>

commit 2960758cce2310774de60bbbd8d6841d436c54d9 upstream.

Make the fw_write_wait default case true since presumably all new
gfx9 asics will have updated firmware. That is using unique WAIT_REG_MEM
packet with opration=1.

Signed-off-by: Aaron Liu <aaron.liu@....com>
Tested-by: Aaron Liu <aaron.liu@....com>
Tested-by: Yuxian Dai <Yuxian.Dai@....com>
Acked-by: Alex Deucher <alexander.deucher@....com>
Acked-by: Huang Rui <ray.huang@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1158,6 +1158,8 @@ static void gfx_v9_0_check_fw_write_wait
 			adev->gfx.mec_fw_write_wait = true;
 		break;
 	default:
+		adev->gfx.me_fw_write_wait = true;
+		adev->gfx.mec_fw_write_wait = true;
 		break;
 	}
 }