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Commit 7bd87769 authored by Trigger Huang's avatar Trigger Huang Committed by Alex Deucher
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drm/amdgpu: Support PSP VMR ring for Vega10 VF 

Add VMR ring support for Vega10 SR-IOV VF if PSP supported
Signed-off-by: default avatarTrigger Huang <Trigger.Huang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 470b4250
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Inline Side-by-side
Showing with 99 additions and 32 deletions
drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
View file @ 7bd87769
......@@ -50,6 +50,10 @@ MODULE_FIRMWARE("amdgpu/vega12_asd.bin");
static uint32_t sos_old_versions[] = {1517616, 1510592, 1448594, 1446554};
static bool psp_v3_1_support_vmr_ring(struct psp_context *psp);
static int psp_v3_1_ring_stop(struct psp_context *psp,
enum psp_ring_type ring_type);
static int psp_v3_1_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
......@@ -296,27 +300,57 @@ static int psp_v3_1_ring_create(struct psp_context *psp,
psp_v3_1_reroute_ih(psp);
/* 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_v3_1_support_vmr_ring(psp)) {
ret = psp_v3_1_ring_stop(psp, ring_type);
if (ret) {
DRM_ERROR("psp_v3_1_ring_stop_sriov failed!\n");
return ret;
}
/* 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);
/* No size initialization for sriov */
/* Write the ring initialization command to C2PMSG_101 */
psp_ring_reg = ring_type;
psp_ring_reg = psp_ring_reg << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg);
/* there might be hardware handshake issue 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 hardware handshake issue 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;
}
......@@ -327,16 +361,31 @@ static int psp_v3_1_ring_stop(struct psp_context *psp,
unsigned int psp_ring_reg = 0;
struct amdgpu_device *adev = psp->adev;
/* Write the ring destroy command to C2PMSG_64 */
psp_ring_reg = 3 << 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, 0x80000000, false);
if (psp_v3_1_support_vmr_ring(psp)) {
/* Write the Destroy GPCOM ring command to C2PMSG_101 */
psp_ring_reg = GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg);
/* there might be handshake issue 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, 0x80000000, false);
} else {
/* Write the ring destroy command to C2PMSG_64 */
psp_ring_reg = 3 << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
/* there might be handshake issue 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);
}
return ret;
}
......@@ -375,7 +424,10 @@ static int psp_v3_1_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_v3_1_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 +456,13 @@ static int psp_v3_1_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_v3_1_support_vmr_ring(psp)) {
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_write_ptr_reg);
/* send interrupt to PSP for SRIOV ring write pointer update */
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;
}
......@@ -574,6 +632,14 @@ static int psp_v3_1_mode1_reset(struct psp_context *psp)
return 0;
}
static bool psp_v3_1_support_vmr_ring(struct psp_context *psp)
{
if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version >= 0x80455)
return true;
return false;
}
static const struct psp_funcs psp_v3_1_funcs = {
.init_microcode = psp_v3_1_init_microcode,
.bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv,
......@@ -586,6 +652,7 @@ static const struct psp_funcs psp_v3_1_funcs = {
.compare_sram_data = psp_v3_1_compare_sram_data,
.smu_reload_quirk = psp_v3_1_smu_reload_quirk,
.mode1_reset = psp_v3_1_mode1_reset,
.support_vmr_ring = psp_v3_1_support_vmr_ring,
};
void psp_v3_1_set_psp_funcs(struct psp_context *psp)
......
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