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path: root/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v11_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/psp_v11_0.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index ace6e6c5629c..ffeaa2f5588d 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -244,7 +244,7 @@ static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
/* Copy PSP KDB binary to memory */
memcpy(psp->fw_pri_buf, psp->kdb_start_addr, psp->kdb_bin_size);
- /* Provide the sys driver to bootloader */
+ /* Provide the PSP KDB to bootloader */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
(uint32_t)(psp->fw_pri_mc_addr >> 20));
psp_gfxdrv_command_reg = PSP_BL__LOAD_KEY_DATABASE;
@@ -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);