linux-kernel - [PATCH 5.1 075/115] drm/amdgpu: keep stolen memory on picasso

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Message-Id: <20190617210803.859605462@linuxfoundation.org>
Date:   Mon, 17 Jun 2019 23:09:35 +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, Flora Cui <flora.cui@....com>,
        Feifei Xu <Feifei.Xu@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.1 075/115] drm/amdgpu: keep stolen memory on picasso

[ Upstream commit 379109351f4f6f2405cf54e7a296055f589c3ad1 ]

otherwise screen corrupts during modprobe.

Signed-off-by: Flora Cui <flora.cui@....com>
Reviewed-by: Feifei Xu <Feifei.Xu@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 2fe8397241ea..1611bef19a2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -715,6 +715,7 @@ static bool gmc_v9_0_keep_stolen_memory(struct amdgpu_device *adev)
 	case CHIP_VEGA10:
 		return true;
 	case CHIP_RAVEN:
+		return (adev->pdev->device == 0x15d8);
 	case CHIP_VEGA12:
 	case CHIP_VEGA20:
 	default:
-- 
2.20.1