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From 3beae0414b764d920c9e960bb10ae3723e665046 Mon Sep 17 00:00:00 2001
From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Tue, 6 Feb 2018 17:29:35 -0500
Subject: [PATCH 3530/4131] drm/amdgpu: Avoid get vram info from atom bios on
emulation mode
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 75adf9b..be40aa7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -711,7 +711,8 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
int chansize, numchan;
int r;
- adev->gmc.vram_width = amdgpu_atomfirmware_get_vram_width(adev);
+ if (amdgpu_emu_mode != 1)
+ adev->gmc.vram_width = amdgpu_atomfirmware_get_vram_width(adev);
if (!adev->gmc.vram_width) {
/* hbm memory channel size */
if (adev->flags & AMD_IS_APU)
--
2.7.4
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