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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.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index ffeaa2f5588d..5cd2733aa2ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -1068,6 +1068,30 @@ static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops)
return 0;
}
+static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp)
+{
+ uint32_t data;
+ struct amdgpu_device *adev = psp->adev;
+
+ if (psp_v11_0_support_vmr_ring(psp))
+ data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
+ else
+ data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+
+ return data;
+}
+
+static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
+{
+ struct amdgpu_device *adev = psp->adev;
+
+ if (psp_v11_0_support_vmr_ring(psp)) {
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
+ } else
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
+}
+
static const struct psp_funcs psp_v11_0_funcs = {
.init_microcode = psp_v11_0_init_microcode,
.bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
@@ -1091,6 +1115,8 @@ static const struct psp_funcs psp_v11_0_funcs = {
.mem_training_init = psp_v11_0_memory_training_init,
.mem_training_fini = psp_v11_0_memory_training_fini,
.mem_training = psp_v11_0_memory_training,
+ .ring_get_wptr = psp_v11_0_ring_get_wptr,
+ .ring_set_wptr = psp_v11_0_ring_set_wptr,
};
void psp_v11_0_set_psp_funcs(struct psp_context *psp)