Skip to content

L
linux
Commit 5ec996df authored by Xiangliang Yu's avatar Xiangliang Yu Committed by Alex Deucher
Browse files
Options

drm/amdgpu/psp: Add support VMR ring for VF 

PSP only support VMR ring for SRIOV vf since v45 and all commands will
be send to VMR ring for executing.

VMR ring use C2PMSG 101 ~ 103 instead of C2PMSG 64 ~ 71.
Signed-off-by: default avatarXiangliang Yu <Xiangliang.Yu@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d63cda5b
Hide whitespace changes
Inline Side-by-side
Showing with 85 additions and 31 deletions
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View file @ 5ec996df
......@@ -155,10 +155,22 @@ psp_cmd_submit_buf(struct psp_context *psp,
return ret;
}
static void psp_prep_tmr_cmd_buf(struct psp_gfx_cmd_resp *cmd,
bool psp_support_vmr_ring(struct psp_context *psp)
{
if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
return true;
else
return false;
}
static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
struct psp_gfx_cmd_resp *cmd,
uint64_t tmr_mc, uint32_t size)
{
cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
if (psp_support_vmr_ring(psp))
cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
else
cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
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;
......@@ -192,7 +204,7 @@ static int psp_tmr_load(struct psp_context *psp)
if (!cmd)
return -ENOMEM;
psp_prep_tmr_cmd_buf(cmd, psp->tmr_mc_addr, PSP_TMR_SIZE);
psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr, PSP_TMR_SIZE);
DRM_INFO("reserve 0x%x from 0x%llx for PSP TMR SIZE\n",
PSP_TMR_SIZE, psp->tmr_mc_addr);
......
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
View file @ 5ec996df
......@@ -217,6 +217,7 @@ extern const struct amdgpu_ip_block_version psp_v10_0_ip_block;
int psp_gpu_reset(struct amdgpu_device *adev);
int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
bool psp_support_vmr_ring(struct psp_context *psp);
extern const struct amdgpu_ip_block_version psp_v11_0_ip_block;
......
drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
View file @ 5ec996df
......@@ -43,6 +43,8 @@ enum psp_gfx_crtl_cmd_id
GFX_CTRL_CMD_ID_ENABLE_INT = 0x00050000, /* enable PSP-to-Gfx interrupt */
GFX_CTRL_CMD_ID_DISABLE_INT = 0x00060000, /* disable PSP-to-Gfx interrupt */
GFX_CTRL_CMD_ID_MODE1_RST = 0x00070000, /* trigger the Mode 1 reset */
GFX_CTRL_CMD_ID_CONSUME_CMD = 0x000A0000, /* send interrupt to psp for updating write pointer of vf */
GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING = 0x000C0000, /* destroy GPCOM ring */
GFX_CTRL_CMD_ID_MAX = 0x000F0000, /* max command ID */
};
......@@ -89,7 +91,8 @@ enum psp_gfx_cmd_id
GFX_CMD_ID_LOAD_IP_FW = 0x00000006, /* load HW IP FW */
GFX_CMD_ID_DESTROY_TMR = 0x00000007, /* destroy TMR region */
GFX_CMD_ID_SAVE_RESTORE = 0x00000008, /* save/restore HW IP FW */
GFX_CMD_ID_SETUP_VMR = 0x00000009, /* setup VMR region */
GFX_CMD_ID_DESTROY_VMR = 0x0000000A, /* destroy VMR region */
};
......
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
View file @ 5ec996df
......@@ -173,6 +173,7 @@ static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
if (sol_reg) {
psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
return 0;
}
......@@ -298,26 +299,47 @@ static int psp_v11_0_ring_create(struct psp_context *psp,
struct psp_ring *ring = &psp->km_ring;
struct amdgpu_device *adev = psp->adev;
/* 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);
/* Write high address of the ring to C2PMSG_70 */
psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
/* Write size of ring to C2PMSG_71 */
psp_ring_reg = ring->ring_size;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
/* Write the ring initialization command to C2PMSG_64 */
psp_ring_reg = ring_type;
psp_ring_reg = psp_ring_reg << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_64 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x8000FFFF, false);
if (psp_support_vmr_ring(psp)) {
/* Write low address of the ring to C2PMSG_102 */
psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
/* Write high address of the ring to C2PMSG_103 */
psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
/* Write the ring initialization command to C2PMSG_101 */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_101 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
0x80000000, 0x8000FFFF, false);
} else {
/* 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);
/* Write high address of the ring to C2PMSG_70 */
psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
/* Write size of ring to C2PMSG_71 */
psp_ring_reg = ring->ring_size;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
/* Write the ring initialization command to C2PMSG_64 */
psp_ring_reg = ring_type;
psp_ring_reg = psp_ring_reg << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_64 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x8000FFFF, false);
}
return ret;
}
......@@ -328,15 +350,24 @@ static int psp_v11_0_ring_stop(struct psp_context *psp,
int ret = 0;
struct amdgpu_device *adev = psp->adev;
/* Write the ring destroy command to C2PMSG_64 */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_DESTROY_RINGS);
/* Write the ring destroy command*/
if (psp_support_vmr_ring(psp))
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
else
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
GFX_CTRL_CMD_ID_DESTROY_RINGS);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_64 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x80000000, false);
/* Wait for response flag (bit 31) */
if (psp_support_vmr_ring(psp))
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
0x80000000, 0x80000000, false);
else
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x80000000, false);
return ret;
}
......@@ -375,7 +406,10 @@ static int psp_v11_0_cmd_submit(struct psp_context *psp,
uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
/* KM (GPCOM) prepare write pointer */
psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
if (psp_support_vmr_ring(psp))
psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
else
psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
/* Update KM RB frame pointer to new frame */
/* write_frame ptr increments by size of rb_frame in bytes */
......@@ -404,7 +438,11 @@ static int psp_v11_0_cmd_submit(struct psp_context *psp,
/* Update the write Pointer in DWORDs */
psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
if (psp_support_vmr_ring(psp)) {
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_write_ptr_reg);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
} else
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
return 0;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7