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 (file)
--- 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;