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drm/amd/powerplay: implement smu send message functions for smu11 (v3)

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Add function of smu send message for smu11

v2: fix the missing ) in define of smu_send_smc_msg_with_param
v3: Use adev usec timeout for smu as well, the origin time 10 us is not enough. (Ray)

Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang
2018-12-11 17:16:10 +08:00
committed by Alex Deucher
parent 6667889b45
commit b0b4b413a9
2 changed files with 91 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@@ -52,6 +52,9 @@ struct smu_funcs
int (*write_watermarks_table)(struct smu_context *smu);
int (*set_last_dcef_min_deep_sleep_clk)(struct smu_context *smu);
int (*system_features_control)(struct smu_context *smu, bool en);
int (*send_smc_msg)(struct smu_context *smu, uint16_t msg);
int (*send_smc_msg_with_param)(struct smu_context *smu, uint16_t msg, uint32_t param);
};
#define smu_init_microcode(smu) \
@@ -90,7 +93,10 @@ struct smu_funcs
((smu)->funcs->set_last_dcef_min_deep_sleep_clk ? (smu)->funcs->set_last_dcef_min_deep_sleep_clk((smu)) : 0)
#define smu_system_features_control(smu, en) \
((smu)->funcs->system_features_control ? (smu)->funcs->system_features_control((smu), (en)) : 0)
#define smu_send_smc_msg(smu, msg) \
((smu)->funcs->send_smc_msg? (smu)->funcs->send_smc_msg((smu), (msg)) : 0)
#define smu_send_smc_msg_with_param(smu, msg, param) \
((smu)->funcs->send_smc_msg_with_param? (smu)->funcs->send_smc_msg_with_param((smu), (msg), (param)) : 0)
extern const struct amd_ip_funcs smu_ip_funcs;

84
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View File

@@ -26,9 +26,91 @@
#include "amdgpu_smu.h"
#include "smu_v11_0.h"
#include "smu_v11_0_ppsmc.h"
#include "soc15_common.h"
#include "asic_reg/thm/thm_11_0_2_offset.h"
#include "asic_reg/thm/thm_11_0_2_sh_mask.h"
#include "asic_reg/mp/mp_9_0_offset.h"
#include "asic_reg/mp/mp_9_0_sh_mask.h"
#include "asic_reg/nbio/nbio_7_4_offset.h"
MODULE_FIRMWARE("amdgpu/vega20_smc.bin");
static int smu_v11_0_send_msg_without_waiting(struct smu_context *smu,
uint16_t msg)
{
struct amdgpu_device *adev = smu->adev;
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
return 0;
}
static int smu_v11_0_wait_for_response(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
uint32_t cur_value, i;
for (i = 0; i < adev->usec_timeout; i++) {
cur_value = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0)
break;
udelay(1);
}
/* timeout means wrong logic */
if (i == adev->usec_timeout)
return -ETIME;
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90) == PPSMC_Result_OK ? 0:-EIO;
}
static int smu_v11_0_send_msg(struct smu_context *smu, uint16_t msg)
{
struct amdgpu_device *adev = smu->adev;
int ret = 0;
smu_v11_0_wait_for_response(smu);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
smu_v11_0_send_msg_without_waiting(smu, msg);
ret = smu_v11_0_wait_for_response(smu);
if (ret)
pr_err("Failed to send message 0x%x, response 0x%x\n", msg,
ret);
return ret;
}
static int
smu_v11_0_send_msg_with_param(struct smu_context *smu, uint16_t msg,
uint32_t param)
{
struct amdgpu_device *adev = smu->adev;
int ret = 0;
ret = smu_v11_0_wait_for_response(smu);
if (ret)
pr_err("Failed to send message 0x%x, response 0x%x\n", msg,
ret);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, param);
smu_v11_0_send_msg_without_waiting(smu, msg);
ret = smu_v11_0_wait_for_response(smu);
if (ret)
pr_err("Failed to send message 0x%x, response 0x%x\n", msg,
ret);
return ret;
}
static int smu_v11_0_init_microcode(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
@@ -93,6 +175,8 @@ static const struct smu_funcs smu_v11_0_funcs = {
.init_microcode = smu_v11_0_init_microcode,
.load_microcode = smu_v11_0_load_microcode,
.check_fw_status = smu_v11_0_check_fw_status,
.send_smc_msg = smu_v11_0_send_msg,
.send_smc_msg_with_param = smu_v11_0_send_msg_with_param,
};
void smu_v11_0_set_smu_funcs(struct smu_context *smu)