diff options
| author | Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> | 2022-02-20 17:46:49 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-04 13:03:29 -0500 |
| commit | 24bf9fd19740df5aedb3bc801206f81dcb4acc4f (patch) | |
| tree | be558531851f35a26d1e32c4472e5cbffb380728 /drivers/gpu/drm/amd/amdgpu | |
| parent | 9e08564727fc7770b30715fb81348aee54fa50c3 (diff) | |
drm/amdgpu: Set correct DMA mask for aldebaran
Aldebaran has 48-bit physical address support
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index e3b78b4cbd64..431742eb7811 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1553,7 +1553,7 @@ static void gmc_v9_0_save_registers(struct amdgpu_device *adev) static int gmc_v9_0_sw_init(void *handle) { - int r, vram_width = 0, vram_type = 0, vram_vendor = 0; + int r, vram_width = 0, vram_type = 0, vram_vendor = 0, dma_addr_bits; struct amdgpu_device *adev = (struct amdgpu_device *)handle; adev->gfxhub.funcs->init(adev); @@ -1669,12 +1669,13 @@ static int gmc_v9_0_sw_init(void *handle) */ adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ - r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); + dma_addr_bits = adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) ? 48:44; + r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(dma_addr_bits)); if (r) { printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); return r; } - adev->need_swiotlb = drm_need_swiotlb(44); + adev->need_swiotlb = drm_need_swiotlb(dma_addr_bits); r = gmc_v9_0_mc_init(adev); if (r) |