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.
Signed-off-by: Yongqiang Sun <yongqiang.sun@xxxxxxx>
Change-Id: Ia1d1c4392fb792fa0186250dfc6270f35ffd6bed
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index f18d050a14cf..7021e8f390bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -643,6 +643,15 @@ 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;
--
2.25.1
