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drm/amdgpu: Fix GFX 9.4.3 dma address capability

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ASICs with GFX 9.4.3 support 48-bit addressing.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2022-12-15 13:13:29 +05:30 committed by Alex Deucher
parent a0a0c69c05
commit 12c4d7edfb
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
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@ -1846,7 +1846,7 @@ static int gmc_v9_0_sw_init(void *handle)
*/
adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
dma_addr_bits = adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) ? 48:44;
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");