[PATCH v2 1/2] drm/amdgpu: Use indirect buffer and save response status for TA load/invoke
Candice Li
candice.li at amd.com
Wed Apr 20 11:13:56 UTC 2022
The upcoming TA debugfs interface needs to use indirect buffer
when performing TA invoke and check psp response status for TA
load and invoke.
Signed-off-by: John Clements <john.clements at amd.com>
Signed-off-by: Candice Li <candice.li at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 54 +++++++++++++++++++++----
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 26 ++++++++++++
2 files changed, 72 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index a6acec1a6155d0..f6527aa19238a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -46,8 +46,6 @@ static int psp_sysfs_init(struct amdgpu_device *adev);
static void psp_sysfs_fini(struct amdgpu_device *adev);
static int psp_load_smu_fw(struct psp_context *psp);
-static int psp_ta_unload(struct psp_context *psp, struct ta_context *context);
-static int psp_ta_load(struct psp_context *psp, struct ta_context *context);
static int psp_rap_terminate(struct psp_context *psp);
static int psp_securedisplay_terminate(struct psp_context *psp);
@@ -862,7 +860,7 @@ static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
cmd->cmd.cmd_unload_ta.session_id = session_id;
}
-static int psp_ta_unload(struct psp_context *psp, struct ta_context *context)
+int psp_ta_unload(struct psp_context *psp, struct ta_context *context)
{
int ret;
struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
@@ -944,7 +942,7 @@ static void psp_prep_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
cmd->cmd.cmd_load_ta.cmd_buf_len = context->mem_context.shared_mem_size;
}
-static int psp_ta_init_shared_buf(struct psp_context *psp,
+int psp_ta_init_shared_buf(struct psp_context *psp,
struct ta_mem_context *mem_ctx)
{
/*
@@ -958,7 +956,7 @@ static int psp_ta_init_shared_buf(struct psp_context *psp,
&mem_ctx->shared_buf);
}
-static void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
+void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
{
amdgpu_bo_free_kernel(&mem_ctx->shared_bo, &mem_ctx->shared_mc_addr,
&mem_ctx->shared_buf);
@@ -969,6 +967,42 @@ static int psp_xgmi_init_shared_buf(struct psp_context *psp)
return psp_ta_init_shared_buf(psp, &psp->xgmi_context.context.mem_context);
}
+static void psp_prep_ta_invoke_indirect_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+ uint32_t ta_cmd_id,
+ struct ta_context *context)
+{
+ cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD;
+ cmd->cmd.cmd_invoke_cmd.session_id = context->session_id;
+ cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
+
+ cmd->cmd.cmd_invoke_cmd.buf.num_desc = 1;
+ cmd->cmd.cmd_invoke_cmd.buf.total_size = context->mem_context.shared_mem_size;
+ cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_size = context->mem_context.shared_mem_size;
+ cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_lo =
+ lower_32_bits(context->mem_context.shared_mc_addr);
+ cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_hi =
+ upper_32_bits(context->mem_context.shared_mc_addr);
+}
+
+int psp_ta_invoke_indirect(struct psp_context *psp,
+ uint32_t ta_cmd_id,
+ struct ta_context *context)
+{
+ int ret;
+ struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
+
+ psp_prep_ta_invoke_indirect_cmd_buf(cmd, ta_cmd_id, context);
+
+ ret = psp_cmd_submit_buf(psp, NULL, cmd,
+ psp->fence_buf_mc_addr);
+
+ context->resp_status = cmd->resp.status;
+
+ release_psp_cmd_buf(psp);
+
+ return ret;
+}
+
static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t ta_cmd_id,
uint32_t session_id)
@@ -978,7 +1012,7 @@ static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
}
-static int psp_ta_invoke(struct psp_context *psp,
+int psp_ta_invoke(struct psp_context *psp,
uint32_t ta_cmd_id,
struct ta_context *context)
{
@@ -990,12 +1024,14 @@ static int psp_ta_invoke(struct psp_context *psp,
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
+ context->resp_status = cmd->resp.status;
+
release_psp_cmd_buf(psp);
return ret;
}
-static int psp_ta_load(struct psp_context *psp, struct ta_context *context)
+int psp_ta_load(struct psp_context *psp, struct ta_context *context)
{
int ret;
struct psp_gfx_cmd_resp *cmd;
@@ -1010,6 +1046,8 @@ static int psp_ta_load(struct psp_context *psp, struct ta_context *context)
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
+ context->resp_status = cmd->resp.status;
+
if (!ret) {
context->session_id = cmd->resp.session_id;
}
@@ -1415,7 +1453,7 @@ int psp_ras_enable_features(struct psp_context *psp,
return 0;
}
-static int psp_ras_terminate(struct psp_context *psp)
+int psp_ras_terminate(struct psp_context *psp)
{
int ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index ff7d533eb746ce..cf8d3199b35bf0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -48,6 +48,17 @@ enum psp_shared_mem_size {
PSP_SECUREDISPLAY_SHARED_MEM_SIZE = 0x4000,
};
+enum ta_type_id {
+ TA_TYPE_XGMI = 1,
+ TA_TYPE_RAS,
+ TA_TYPE_HDCP,
+ TA_TYPE_DTM,
+ TA_TYPE_RAP,
+ TA_TYPE_SECUREDISPLAY,
+
+ TA_TYPE_MAX_INDEX,
+};
+
struct psp_context;
struct psp_xgmi_node_info;
struct psp_xgmi_topology_info;
@@ -151,9 +162,11 @@ struct ta_mem_context {
struct ta_context {
bool initialized;
uint32_t session_id;
+ uint32_t resp_status;
struct ta_mem_context mem_context;
struct psp_bin_desc bin_desc;
enum psp_gfx_cmd_id ta_load_type;
+ enum ta_type_id ta_type;
};
struct ta_cp_context {
@@ -407,6 +420,18 @@ int psp_gpu_reset(struct amdgpu_device *adev);
int psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx,
uint64_t cmd_gpu_addr, int cmd_size);
+int psp_ta_init_shared_buf(struct psp_context *psp,
+ struct ta_mem_context *mem_ctx);
+void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx);
+int psp_ta_unload(struct psp_context *psp, struct ta_context *context);
+int psp_ta_load(struct psp_context *psp, struct ta_context *context);
+int psp_ta_invoke(struct psp_context *psp,
+ uint32_t ta_cmd_id,
+ struct ta_context *context);
+int psp_ta_invoke_indirect(struct psp_context *psp,
+ uint32_t ta_cmd_id,
+ struct ta_context *context);
+
int psp_xgmi_initialize(struct psp_context *psp, bool set_extended_data, bool load_ta);
int psp_xgmi_terminate(struct psp_context *psp);
int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
@@ -425,6 +450,7 @@ int psp_ras_enable_features(struct psp_context *psp,
union ta_ras_cmd_input *info, bool enable);
int psp_ras_trigger_error(struct psp_context *psp,
struct ta_ras_trigger_error_input *info);
+int psp_ras_terminate(struct psp_context *psp);
int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
--
2.17.1
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