diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index bc4bd5e7ac94..4dd469188e2b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -722,7 +722,10 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev) adev->gmc.vram_width = amdgpu_atomfirmware_get_vram_width(adev); if (!adev->gmc.vram_width) { /* hbm memory channel size */ - chansize = 128; + if (adev->flags & AMD_IS_APU) + chansize = 64; + else + chansize = 128; tmp = RREG32_SOC15(DF, 0, mmDF_CS_AON0_DramBaseAddress0); tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK; |