On 10/12/2018 06:08 PM, Emily Deng wrote:
For sriov, when first run windows guest, then run linux guest, the gds
vmid0 size will be reset to 0 by windows guest. So if the value has been
reset to 0, then set the value to the default value in linux guest.
v2:
Fixed value instead of reading mmGDS_VMID0_SIZE.
Signed-off-by: Emily Deng <Emily.Deng@xxxxxxx>
Reviewed-by: Junwei Zhang <Jerry.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index ae86238..a8acdd6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4875,7 +4875,20 @@ static void gfx_v9_0_set_rlc_funcs(struct amdgpu_device *adev)
static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev)
{
/* init asci gds info */
- adev->gds.mem.total_size = RREG32_SOC15(GC, 0, mmGDS_VMID0_SIZE);
+ switch (adev->asic_type) {
+ case CHIP_VEGA10:
+ case CHIP_VEGA12:
+ case CHIP_VEGA20:
+ adev->gds.mem.total_size = 0x10000;
+ break;
+ case CHIP_RAVEN:
+ adev->gds.mem.total_size = 0x1000;
+ break;
+ default:
+ adev->gds.mem.total_size = 0x10000;
+ break;
+ }
+
adev->gds.gws.total_size = 64;
adev->gds.oa.total_size = 16;
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