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| author | Alex Deucher <alexander.deucher@amd.com> | 2020-12-07 13:12:29 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-12-08 23:06:37 -0500 |
| commit | 300186795254f848900de2f1485b8b31dda3dbc0 (patch) | |
| tree | 8719ce78da583321a7c7d3f50473fffac39f6bc9 | |
| parent | 64f2c15892ae9dd8f0073f576601b1c9582d823b (diff) | |
drm/amdgpu: fix size calculation with stolen vga memory
If we need to keep the stolen vga memory, make sure it is
at least as big as the legacy vga size.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index ff3afc82e73a..02af47ddddbc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -501,6 +501,9 @@ void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev) else size = amdgpu_gmc_get_vbios_fb_size(adev); + 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)) size = 0; |