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drm/amdgpu: fix regression in vbios reservation handling on headless

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[ Upstream commit 7eded018bfeccb365963bb51be731a9f99aeea59 ]

We need to move the check under the non-headless case, otherwise
we always reserve the VGA save size.

Fixes: 157fe68d74 ("drm/amdgpu: fix size calculation with stolen vga memory")
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alex Deucher 2020-12-14 11:00:47 -05:00 committed by Greg Kroah-Hartman
parent 33e8ef090b
commit c51e3679eb
1 changed files with 5 additions and 4 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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@ -494,13 +494,14 @@ void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev)
break;
}
if (!amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_DCE))
if (!amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_DCE)) {
size = 0;
else
} else {
size = amdgpu_gmc_get_vbios_fb_size(adev);
if (adev->mman.keep_stolen_vga_memory)
size = max(size, (unsigned)AMDGPU_VBIOS_VGA_ALLOCATION);
if (adev->mman.keep_stolen_vga_memory)
size = max(size, (unsigned)AMDGPU_VBIOS_VGA_ALLOCATION);
}
/* set to 0 if the pre-OS buffer uses up most of vram */
if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024))