[AMD Official Use Only - Internal Distribution Only]
Minor typo. See below. With that fixed Reviewed-By: Harish Kasiviswanathan <Harish.Kasiviswanathan@xxxxxxx>
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Oak Zeng
Sent: Thursday, April 1, 2021 3:37 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Kuehling, Felix <Felix.Kuehling@xxxxxxx>; Lazar, Lijo <Lijo.Lazar@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Zeng, Oak <Oak.Zeng@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>
Subject: [PATCH 3/4] drm/amdgpu: Introduce new SETUP_TMR interface
This new interface passes both virtual and physical address to PSP. It is backword compatible with old interface.
<backward>
v2: use a function to simply tmr physical address calc (Lijo)
<simplify>
Signed-off-by: Oak Zeng <Oak.Zeng@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 12 +++++++++--- drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h | 11 ++++++++++-
2 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 9e769cf..123ab31 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -328,8 +328,12 @@ psp_cmd_submit_buf(struct psp_context *psp,
static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
struct psp_gfx_cmd_resp *cmd,
- uint64_t tmr_mc, uint32_t size)
+ uint64_t tmr_mc, struct amdgpu_bo *tmr_bo)
{
+ struct amdgpu_device *adev = psp->adev;
+ uint32_t size = amdgpu_bo_size(tmr_bo);
+ uint64_t tmr_pa = amdgpu_gmc_vram_pa(adev, tmr_bo);
+
if (amdgpu_sriov_vf(psp->adev))
cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
else
@@ -337,6 +341,9 @@ static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
cmd->cmd.cmd_setup_tmr.buf_phy_addr_lo = lower_32_bits(tmr_mc);
cmd->cmd.cmd_setup_tmr.buf_phy_addr_hi = upper_32_bits(tmr_mc);
cmd->cmd.cmd_setup_tmr.buf_size = size;
+ cmd->cmd.cmd_setup_tmr.bitfield.virt_phy_addr = 1;
+ cmd->cmd.cmd_setup_tmr.system_phy_addr_lo = lower_32_bits(tmr_pa);
+ cmd->cmd.cmd_setup_tmr.system_phy_addr_hi = upper_32_bits(tmr_pa);
}
static void psp_prep_load_toc_cmd_buf(struct psp_gfx_cmd_resp *cmd, @@ -466,8 +473,7 @@ static int psp_tmr_load(struct psp_context *psp)
if (!cmd)
return -ENOMEM;
- psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr,
- amdgpu_bo_size(psp->tmr_bo));
+ psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr, psp->tmr_bo);
DRM_INFO("reserve 0x%lx from 0x%llx for PSP TMR\n",
amdgpu_bo_size(psp->tmr_bo), psp->tmr_mc_addr);
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h b/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
index dd4d65f..96064c3 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
+++ b/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
@@ -185,10 +185,19 @@ struct psp_gfx_cmd_setup_tmr
uint32_t buf_phy_addr_lo; /* bits [31:0] of GPU Virtual address of TMR buffer (must be 4 KB aligned) */
uint32_t buf_phy_addr_hi; /* bits [63:32] of GPU Virtual address of TMR buffer */
uint32_t buf_size; /* buffer size in bytes (must be multiple of 4 KB) */
+ union {
+ struct {
+ uint32_t sriov_enabled:1; /* whether the device runs under SR-IOV*/
+ uint32_t virt_phy_addr:1; /* driver passes both virtual and physical address to PSP*/
+ uint32_t reserved:30;
+ } bitfield;
+ uint32_t tmr_flags;
+ };
+ uint32_t system_phy_addr_lo; /* bits [31:0] of system physical address of TMR buffer (must be 4 KB aligned) */
+ uint32_t system_phy_addr_hi; /* bits [63:32] of system physical address of TMR buffer */
};
-
/* FW types for GFX_CMD_ID_LOAD_IP_FW command. Limit 31. */ enum psp_gfx_fw_type {
GFX_FW_TYPE_NONE = 0, /* */
--
2.7.4
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