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authorYongqiang Sun <yongqiang.sun@amd.com>2022-03-15 16:43:41 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-03-15 22:01:12 +0300
commitfaad5ccac1eaae584f9ac2ea66278bd137edcbe3 (patch)
tree13d38091c5741a80020d1d0d7a7ba39b164c3c53 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
parent3f543552846b9ae47c8442af1c506207bdcc00d2 (diff)
downloadlinux-faad5ccac1eaae584f9ac2ea66278bd137edcbe3.tar.xz
drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.
MI25 SRIOV guest driver loading failed due to allocated memory overlaps with firmware reserved area. Allocate stolen reserved memory for MI25 SRIOV specifically to avoid the memory overlap. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index a25ae3b51256..ca2cfb65f976 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -639,6 +639,15 @@ void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev)
*/
switch (adev->asic_type) {
case CHIP_VEGA10:
+ adev->mman.keep_stolen_vga_memory = true;
+ /*
+ * VEGA10 SRIOV VF needs some firmware reserved area.
+ */
+ if (amdgpu_sriov_vf(adev)) {
+ adev->mman.stolen_reserved_offset = 0x100000;
+ adev->mman.stolen_reserved_size = 0x600000;
+ }
+ break;
case CHIP_RAVEN:
case CHIP_RENOIR:
adev->mman.keep_stolen_vga_memory = true;