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drm/amdgpu: create amdgpu_vkms (v4)

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Modify the VKMS driver into an api that dce_virtual can use to create
virtual displays that obey drm's atomic modesetting api.

v2: Made local functions static.

v3: Switched vkms_output kzalloc for kcalloc.
    Cleanup patches by moving display mode fixes to this patch.

v4: Update atomic_check and atomic_update to comply with new kms api.

Signed-off-by: Ryan Taylor <Ryan.Taylor@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ryan Taylor
2021-06-07 11:53:06 -07:00
committed by Alex Deucher
parent d7b5dae099
commit 84ec374bd5
7 changed files with 493 additions and 11 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -1231,7 +1231,7 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
int ret, retry = 0;
bool supports_atomic = false;
if (!amdgpu_virtual_display &&
if (amdgpu_virtual_display ||
amdgpu_device_asic_has_dc_support(flags & AMD_ASIC_MASK))
supports_atomic = true;