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drm/amdgpu: Fix atomics on GFX12

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If PCIe supports atomics, configure register to prevent DF from
breaking atomics in separate load/store operations.

Signed-off-by: David Belanger <david.belanger@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 666f14cab2)
This commit is contained in:
David Belanger
2024-06-10 16:38:55 -04:00
committed by Alex Deucher
parent a03ebf1163
commit 73048bda46
8 changed files with 143 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/soc24.c
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@@ -484,6 +484,10 @@ static int soc24_common_hw_init(void *handle)
*/
if (adev->nbio.funcs->remap_hdp_registers)
adev->nbio.funcs->remap_hdp_registers(adev);
if (adev->df.funcs->hw_init)
adev->df.funcs->hw_init(adev);
/* enable the doorbell aperture */
soc24_enable_doorbell_aperture(adev, true);