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>
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 0f4a9a8..d5b6d00 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -712,7 +712,8 @@ 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 */
chansize = 128;