leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu/psp11: wait for sOS ready for ring creation

Browse Source 
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojie Yuan 2019-10-18 18:46:38 +08:00 committed by Alex Deucher
parent 967a3b85ba
commit d7e7f1ea25
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
View File

@ -467,6 +467,14 @@ static int psp_v11_0_ring_create(struct psp_context *psp,
0x80000000, 0x8000FFFF, false);
} else {
/* Wait for sOS ready for ring creation */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x80000000, false);
if (ret) {
DRM_ERROR("Failed to wait for sOS ready for ring creation\n");
return ret;
}
/* Write low address of the ring to C2PMSG_69 */
psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);