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path: root/drivers/gpu/drm/amd/powerplay/smumgr
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr')
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c181
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.h4
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c6
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c44
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c10
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c32
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c12
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c36
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c16
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c43
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c16
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c32
12 files changed, 203 insertions, 229 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
index 5a44485526d2..1f6744a443d4 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
@@ -70,7 +70,7 @@ static int cz_send_msg_to_smc_async(struct pp_smumgr *smumgr,
result = SMUM_WAIT_FIELD_UNEQUAL(smumgr,
SMU_MP1_SRBM2P_RESP_0, CONTENT, 0);
if (result != 0) {
- printk(KERN_ERR "[ powerplay ] cz_send_msg_to_smc_async failed\n");
+ pr_err("cz_send_msg_to_smc_async failed\n");
return result;
}
@@ -100,12 +100,12 @@ static int cz_set_smc_sram_address(struct pp_smumgr *smumgr,
return -EINVAL;
if (0 != (3 & smc_address)) {
- printk(KERN_ERR "[ powerplay ] SMC address must be 4 byte aligned\n");
+ pr_err("SMC address must be 4 byte aligned\n");
return -EINVAL;
}
if (limit <= (smc_address + 3)) {
- printk(KERN_ERR "[ powerplay ] SMC address beyond the SMC RAM area\n");
+ pr_err("SMC address beyond the SMC RAM area\n");
return -EINVAL;
}
@@ -141,42 +141,6 @@ static int cz_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr,
return cz_send_msg_to_smc(smumgr, msg);
}
-static int cz_request_smu_load_fw(struct pp_smumgr *smumgr)
-{
- struct cz_smumgr *cz_smu = (struct cz_smumgr *)(smumgr->backend);
- uint32_t smc_address;
-
- if (!smumgr->reload_fw) {
- printk(KERN_INFO "[ powerplay ] skip reloading...\n");
- return 0;
- }
-
- smc_address = SMU8_FIRMWARE_HEADER_LOCATION +
- offsetof(struct SMU8_Firmware_Header, UcodeLoadStatus);
-
- cz_write_smc_sram_dword(smumgr, smc_address, 0, smc_address+4);
-
- cz_send_msg_to_smc_with_parameter(smumgr,
- PPSMC_MSG_DriverDramAddrHi,
- cz_smu->toc_buffer.mc_addr_high);
-
- cz_send_msg_to_smc_with_parameter(smumgr,
- PPSMC_MSG_DriverDramAddrLo,
- cz_smu->toc_buffer.mc_addr_low);
-
- cz_send_msg_to_smc(smumgr, PPSMC_MSG_InitJobs);
-
- cz_send_msg_to_smc_with_parameter(smumgr,
- PPSMC_MSG_ExecuteJob,
- cz_smu->toc_entry_aram);
- cz_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_ExecuteJob,
- cz_smu->toc_entry_power_profiling_index);
-
- return cz_send_msg_to_smc_with_parameter(smumgr,
- PPSMC_MSG_ExecuteJob,
- cz_smu->toc_entry_initialize_index);
-}
-
static int cz_check_fw_load_finish(struct pp_smumgr *smumgr,
uint32_t firmware)
{
@@ -198,7 +162,7 @@ static int cz_check_fw_load_finish(struct pp_smumgr *smumgr,
}
if (i >= smumgr->usec_timeout) {
- printk(KERN_ERR "[ powerplay ] SMU check loaded firmware failed.\n");
+ pr_err("SMU check loaded firmware failed.\n");
return -EINVAL;
}
@@ -250,34 +214,6 @@ static int cz_load_mec_firmware(struct pp_smumgr *smumgr)
return 0;
}
-static int cz_start_smu(struct pp_smumgr *smumgr)
-{
- int ret = 0;
- uint32_t fw_to_check = UCODE_ID_RLC_G_MASK |
- UCODE_ID_SDMA0_MASK |
- UCODE_ID_SDMA1_MASK |
- UCODE_ID_CP_CE_MASK |
- UCODE_ID_CP_ME_MASK |
- UCODE_ID_CP_PFP_MASK |
- UCODE_ID_CP_MEC_JT1_MASK |
- UCODE_ID_CP_MEC_JT2_MASK;
-
- if (smumgr->chip_id == CHIP_STONEY)
- fw_to_check &= ~(UCODE_ID_SDMA1_MASK | UCODE_ID_CP_MEC_JT2_MASK);
-
- ret = cz_request_smu_load_fw(smumgr);
- if (ret)
- printk(KERN_ERR "[ powerplay] SMU firmware load failed\n");
-
- cz_check_fw_load_finish(smumgr, fw_to_check);
-
- ret = cz_load_mec_firmware(smumgr);
- if (ret)
- printk(KERN_ERR "[ powerplay ] Mec Firmware load failed\n");
-
- return ret;
-}
-
static uint8_t cz_translate_firmware_enum_to_arg(struct pp_smumgr *smumgr,
enum cz_scratch_entry firmware_enum)
{
@@ -406,7 +342,7 @@ static int cz_smu_populate_single_scratch_task(
break;
if (i >= cz_smu->scratch_buffer_length) {
- printk(KERN_ERR "[ powerplay ] Invalid Firmware Type\n");
+ pr_err("Invalid Firmware Type\n");
return -EINVAL;
}
@@ -443,7 +379,7 @@ static int cz_smu_populate_single_ucode_load_task(
break;
if (i >= cz_smu->driver_buffer_length) {
- printk(KERN_ERR "[ powerplay ] Invalid Firmware Type\n");
+ pr_err("Invalid Firmware Type\n");
return -EINVAL;
}
@@ -729,11 +665,87 @@ static int cz_upload_pptable_settings(struct pp_smumgr *smumgr)
return 0;
}
+static int cz_request_smu_load_fw(struct pp_smumgr *smumgr)
+{
+ struct cz_smumgr *cz_smu = (struct cz_smumgr *)(smumgr->backend);
+ uint32_t smc_address;
+
+ if (!smumgr->reload_fw) {
+ pr_info("skip reloading...\n");
+ return 0;
+ }
+
+ cz_smu_populate_firmware_entries(smumgr);
+
+ cz_smu_construct_toc(smumgr);
+
+ smc_address = SMU8_FIRMWARE_HEADER_LOCATION +
+ offsetof(struct SMU8_Firmware_Header, UcodeLoadStatus);
+
+ cz_write_smc_sram_dword(smumgr, smc_address, 0, smc_address+4);
+
+ cz_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_DriverDramAddrHi,
+ cz_smu->toc_buffer.mc_addr_high);
+
+ cz_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_DriverDramAddrLo,
+ cz_smu->toc_buffer.mc_addr_low);
+
+ cz_send_msg_to_smc(smumgr, PPSMC_MSG_InitJobs);
+
+ cz_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_ExecuteJob,
+ cz_smu->toc_entry_aram);
+ cz_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_ExecuteJob,
+ cz_smu->toc_entry_power_profiling_index);
+
+ return cz_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_ExecuteJob,
+ cz_smu->toc_entry_initialize_index);
+}
+
+static int cz_start_smu(struct pp_smumgr *smumgr)
+{
+ int ret = 0;
+ uint32_t fw_to_check = 0;
+
+ fw_to_check = UCODE_ID_RLC_G_MASK |
+ UCODE_ID_SDMA0_MASK |
+ UCODE_ID_SDMA1_MASK |
+ UCODE_ID_CP_CE_MASK |
+ UCODE_ID_CP_ME_MASK |
+ UCODE_ID_CP_PFP_MASK |
+ UCODE_ID_CP_MEC_JT1_MASK |
+ UCODE_ID_CP_MEC_JT2_MASK;
+
+ if (smumgr->chip_id == CHIP_STONEY)
+ fw_to_check &= ~(UCODE_ID_SDMA1_MASK | UCODE_ID_CP_MEC_JT2_MASK);
+
+ ret = cz_request_smu_load_fw(smumgr);
+ if (ret)
+ pr_err("SMU firmware load failed\n");
+
+ cz_check_fw_load_finish(smumgr, fw_to_check);
+
+ ret = cz_load_mec_firmware(smumgr);
+ if (ret)
+ pr_err("Mec Firmware load failed\n");
+
+ return ret;
+}
+
static int cz_smu_init(struct pp_smumgr *smumgr)
{
- struct cz_smumgr *cz_smu = (struct cz_smumgr *)smumgr->backend;
uint64_t mc_addr = 0;
int ret = 0;
+ struct cz_smumgr *cz_smu;
+
+ cz_smu = kzalloc(sizeof(struct cz_smumgr), GFP_KERNEL);
+ if (cz_smu == NULL)
+ return -ENOMEM;
+
+ smumgr->backend = cz_smu;
cz_smu->toc_buffer.data_size = 4096;
cz_smu->smu_buffer.data_size =
@@ -769,12 +781,11 @@ static int cz_smu_init(struct pp_smumgr *smumgr)
cz_smu->smu_buffer.mc_addr_high = smu_upper_32_bits(mc_addr);
cz_smu->smu_buffer.mc_addr_low = smu_lower_32_bits(mc_addr);
- cz_smu_populate_firmware_entries(smumgr);
if (0 != cz_smu_populate_single_scratch_entry(smumgr,
CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SCRATCH,
UCODE_ID_RLC_SCRATCH_SIZE_BYTE,
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
- printk(KERN_ERR "[ powerplay ] Error when Populate Firmware Entry.\n");
+ pr_err("Error when Populate Firmware Entry.\n");
return -1;
}
@@ -782,14 +793,14 @@ static int cz_smu_init(struct pp_smumgr *smumgr)
CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SRM_ARAM,
UCODE_ID_RLC_SRM_ARAM_SIZE_BYTE,
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
- printk(KERN_ERR "[ powerplay ] Error when Populate Firmware Entry.\n");
+ pr_err("Error when Populate Firmware Entry.\n");
return -1;
}
if (0 != cz_smu_populate_single_scratch_entry(smumgr,
CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SRM_DRAM,
UCODE_ID_RLC_SRM_DRAM_SIZE_BYTE,
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
- printk(KERN_ERR "[ powerplay ] Error when Populate Firmware Entry.\n");
+ pr_err("Error when Populate Firmware Entry.\n");
return -1;
}
@@ -797,7 +808,7 @@ static int cz_smu_init(struct pp_smumgr *smumgr)
CZ_SCRATCH_ENTRY_UCODE_ID_POWER_PROFILING,
sizeof(struct SMU8_MultimediaPowerLogData),
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
- printk(KERN_ERR "[ powerplay ] Error when Populate Firmware Entry.\n");
+ pr_err("Error when Populate Firmware Entry.\n");
return -1;
}
@@ -805,10 +816,9 @@ static int cz_smu_init(struct pp_smumgr *smumgr)
CZ_SCRATCH_ENTRY_SMU8_FUSION_CLKTABLE,
sizeof(struct SMU8_Fusion_ClkTable),
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
- printk(KERN_ERR "[ powerplay ] Error when Populate Firmware Entry.\n");
+ pr_err("Error when Populate Firmware Entry.\n");
return -1;
}
- cz_smu_construct_toc(smumgr);
return 0;
}
@@ -827,13 +837,12 @@ static int cz_smu_fini(struct pp_smumgr *smumgr)
cgs_free_gpu_mem(smumgr->device,
cz_smu->smu_buffer.handle);
kfree(cz_smu);
- kfree(smumgr);
}
return 0;
}
-static const struct pp_smumgr_func cz_smu_funcs = {
+const struct pp_smumgr_func cz_smu_funcs = {
.smu_init = cz_smu_init,
.smu_fini = cz_smu_fini,
.start_smu = cz_start_smu,
@@ -847,15 +856,3 @@ static const struct pp_smumgr_func cz_smu_funcs = {
.upload_pptable_settings = cz_upload_pptable_settings,
};
-int cz_smum_init(struct pp_smumgr *smumgr)
-{
- struct cz_smumgr *cz_smu;
-
- cz_smu = kzalloc(sizeof(struct cz_smumgr), GFP_KERNEL);
- if (cz_smu == NULL)
- return -ENOMEM;
-
- smumgr->backend = cz_smu;
- smumgr->smumgr_funcs = &cz_smu_funcs;
- return 0;
-}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.h
index 883818039248..7c3a290c8957 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.h
@@ -95,8 +95,4 @@ struct cz_smumgr {
struct cz_buffer_entry scratch_buffer[MAX_NUM_SCRATCH];
};
-struct pp_smumgr;
-
-extern int cz_smum_init(struct pp_smumgr *smumgr);
-
#endif
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
index 6aeb1d20cc3b..0f7a77b7312e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
@@ -21,13 +21,13 @@
*
*/
+#include "pp_debug.h"
#include "fiji_smc.h"
#include "smu7_dyn_defaults.h"
#include "smu7_hwmgr.h"
#include "hardwaremanager.h"
#include "ppatomctrl.h"
-#include "pp_debug.h"
#include "cgs_common.h"
#include "atombios.h"
#include "fiji_smumgr.h"
@@ -2131,7 +2131,7 @@ uint32_t fiji_get_offsetof(uint32_t type, uint32_t member)
return offsetof(SMU73_Discrete_DpmTable, LowSclkInterruptThreshold);
}
}
- printk(KERN_WARNING "can't get the offset of type %x member %x\n", type, member);
+ pr_warning("can't get the offset of type %x member %x\n", type, member);
return 0;
}
@@ -2156,7 +2156,7 @@ uint32_t fiji_get_mac_definition(uint32_t value)
return SMU73_MAX_LEVELS_MVDD;
}
- printk(KERN_WARNING "can't get the mac of %x\n", value);
+ pr_warning("can't get the mac of %x\n", value);
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
index 26eff56b4a99..54b347366b5d 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
@@ -21,6 +21,7 @@
*
*/
+#include "pp_debug.h"
#include "smumgr.h"
#include "smu73.h"
#include "smu_ucode_xfer_vi.h"
@@ -36,7 +37,6 @@
#include "gca/gfx_8_0_d.h"
#include "bif/bif_5_0_d.h"
#include "bif/bif_5_0_sh_mask.h"
-#include "pp_debug.h"
#include "fiji_pwrvirus.h"
#include "fiji_smc.h"
@@ -179,7 +179,7 @@ static int fiji_setup_pwr_virus(struct pp_smumgr *smumgr)
result = 0;
break;
default:
- printk(KERN_ERR "Table Exit with Invalid Command!");
+ pr_err("Table Exit with Invalid Command!");
priv->avfs.AvfsBtcStatus = AVFS_BTC_VIRUS_FAIL;
result = -1;
break;
@@ -202,13 +202,13 @@ static int fiji_start_avfs_btc(struct pp_smumgr *smumgr)
priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_UNSAVED;
result = 0;
} else {
- printk(KERN_ERR "[AVFS][fiji_start_avfs_btc] Attempt"
+ pr_err("[AVFS][fiji_start_avfs_btc] Attempt"
" to Enable AVFS Failed!");
smum_send_msg_to_smc(smumgr, PPSMC_MSG_DisableAvfs);
result = -1;
}
} else {
- printk(KERN_ERR "[AVFS][fiji_start_avfs_btc] "
+ pr_err("[AVFS][fiji_start_avfs_btc] "
"PerformBTC SMU msg failed");
result = -1;
}
@@ -384,7 +384,7 @@ static int fiji_avfs_event_mgr(struct pp_smumgr *smumgr, bool smu_started)
case AVFS_BTC_NOTSUPPORTED: /* Do nothing */
break;
default:
- printk(KERN_ERR "[AVFS] Something is broken. See log!");
+ pr_err("[AVFS] Something is broken. See log!");
break;
}
return 0;
@@ -464,13 +464,20 @@ static bool fiji_is_hw_avfs_present(struct pp_smumgr *smumgr)
*/
static int fiji_smu_init(struct pp_smumgr *smumgr)
{
- struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
int i;
+ struct fiji_smumgr *fiji_priv = NULL;
+
+ fiji_priv = kzalloc(sizeof(struct fiji_smumgr), GFP_KERNEL);
+
+ if (fiji_priv == NULL)
+ return -ENOMEM;
+
+ smumgr->backend = fiji_priv;
if (smu7_init(smumgr))
return -EINVAL;
- priv->avfs.AvfsBtcStatus = AVFS_BTC_BOOT;
+ fiji_priv->avfs.AvfsBtcStatus = AVFS_BTC_BOOT;
if (fiji_is_hw_avfs_present(smumgr))
/* AVFS Parameter
* 0 - BTC DC disabled, BTC AC disabled
@@ -479,18 +486,18 @@ static int fiji_smu_init(struct pp_smumgr *smumgr)
* 3 - BTC DC enabled, BTC AC enabled
* Default is 0 - BTC DC disabled, BTC AC disabled
*/
- priv->avfs.AvfsBtcParam = 0;
+ fiji_priv->avfs.AvfsBtcParam = 0;
else
- priv->avfs.AvfsBtcStatus = AVFS_BTC_NOTSUPPORTED;
+ fiji_priv->avfs.AvfsBtcStatus = AVFS_BTC_NOTSUPPORTED;
for (i = 0; i < SMU73_MAX_LEVELS_GRAPHICS; i++)
- priv->activity_target[i] = 30;
+ fiji_priv->activity_target[i] = 30;
return 0;
}
-static const struct pp_smumgr_func fiji_smu_funcs = {
+const struct pp_smumgr_func fiji_smu_funcs = {
.smu_init = &fiji_smu_init,
.smu_fini = &smu7_smu_fini,
.start_smu = &fiji_start_smu,
@@ -513,18 +520,3 @@ static const struct pp_smumgr_func fiji_smu_funcs = {
.initialize_mc_reg_table = fiji_initialize_mc_reg_table,
.is_dpm_running = fiji_is_dpm_running,
};
-
-int fiji_smum_init(struct pp_smumgr *smumgr)
-{
- struct fiji_smumgr *fiji_smu = NULL;
-
- fiji_smu = kzalloc(sizeof(struct fiji_smumgr), GFP_KERNEL);
-
- if (fiji_smu == NULL)
- return -ENOMEM;
-
- smumgr->backend = fiji_smu;
- smumgr->smumgr_funcs = &fiji_smu_funcs;
-
- return 0;
-}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
index a24971a33bfd..ad82161df831 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
@@ -21,13 +21,13 @@
*
*/
+#include "pp_debug.h"
#include "iceland_smc.h"
#include "smu7_dyn_defaults.h"
#include "smu7_hwmgr.h"
#include "hardwaremanager.h"
#include "ppatomctrl.h"
-#include "pp_debug.h"
#include "cgs_common.h"
#include "atombios.h"
#include "pppcielanes.h"
@@ -1545,7 +1545,7 @@ static int iceland_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
if (0 != result) {
smu_data->smc_state_table.GraphicsBootLevel = 0;
- printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \
+ pr_err("VBIOS did not find boot engine clock value \
in dependency table. Using Graphics DPM level 0!");
result = 0;
}
@@ -1556,7 +1556,7 @@ static int iceland_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
if (0 != result) {
smu_data->smc_state_table.MemoryBootLevel = 0;
- printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \
+ pr_err("VBIOS did not find boot engine clock value \
in dependency table. Using Memory DPM level 0!");
result = 0;
}
@@ -2146,7 +2146,7 @@ uint32_t iceland_get_offsetof(uint32_t type, uint32_t member)
return offsetof(SMU71_Discrete_DpmTable, LowSclkInterruptThreshold);
}
}
- printk(KERN_WARNING "can't get the offset of type %x member %x\n", type, member);
+ pr_warning("can't get the offset of type %x member %x\n", type, member);
return 0;
}
@@ -2169,7 +2169,7 @@ uint32_t iceland_get_mac_definition(uint32_t value)
return SMU71_MAX_LEVELS_MVDD;
}
- printk(KERN_WARNING "can't get the mac of %x\n", value);
+ pr_warning("can't get the mac of %x\n", value);
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
index eeafefc4acba..0bf2def3b659 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
@@ -22,6 +22,7 @@
* Author: Huang Rui <ray.huang@amd.com>
*
*/
+#include "pp_debug.h"
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -29,7 +30,6 @@
#include "smumgr.h"
#include "iceland_smumgr.h"
-#include "pp_debug.h"
#include "smu_ucode_xfer_vi.h"
#include "ppsmc.h"
#include "smu/smu_7_1_1_d.h"
@@ -176,7 +176,7 @@ static int iceland_start_smu(struct pp_smumgr *smumgr)
return result;
if (!smu7_is_smc_ram_running(smumgr)) {
- printk("smu not running, upload firmware again \n");
+ pr_info("smu not running, upload firmware again \n");
result = iceland_smu_upload_firmware_image(smumgr);
if (result)
return result;
@@ -201,17 +201,25 @@ static int iceland_start_smu(struct pp_smumgr *smumgr)
static int iceland_smu_init(struct pp_smumgr *smumgr)
{
int i;
- struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(smumgr->backend);
+ struct iceland_smumgr *iceland_priv = NULL;
+
+ iceland_priv = kzalloc(sizeof(struct iceland_smumgr), GFP_KERNEL);
+
+ if (iceland_priv == NULL)
+ return -ENOMEM;
+
+ smumgr->backend = iceland_priv;
+
if (smu7_init(smumgr))
return -EINVAL;
for (i = 0; i < SMU71_MAX_LEVELS_GRAPHICS; i++)
- smu_data->activity_target[i] = 30;
+ iceland_priv->activity_target[i] = 30;
return 0;
}
-static const struct pp_smumgr_func iceland_smu_funcs = {
+const struct pp_smumgr_func iceland_smu_funcs = {
.smu_init = &iceland_smu_init,
.smu_fini = &smu7_smu_fini,
.start_smu = &iceland_start_smu,
@@ -234,17 +242,3 @@ static const struct pp_smumgr_func iceland_smu_funcs = {
.is_dpm_running = iceland_is_dpm_running,
};
-int iceland_smum_init(struct pp_smumgr *smumgr)
-{
- struct iceland_smumgr *iceland_smu = NULL;
-
- iceland_smu = kzalloc(sizeof(struct iceland_smumgr), GFP_KERNEL);
-
- if (iceland_smu == NULL)
- return -ENOMEM;
-
- smumgr->backend = iceland_smu;
- smumgr->smumgr_funcs = &iceland_smu_funcs;
-
- return 0;
-}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
index 5190e821200c..80e2329a1b9e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
@@ -21,13 +21,13 @@
*
*/
+#include "pp_debug.h"
#include "polaris10_smc.h"
#include "smu7_dyn_defaults.h"
#include "smu7_hwmgr.h"
#include "hardwaremanager.h"
#include "ppatomctrl.h"
-#include "pp_debug.h"
#include "cgs_common.h"
#include "atombios.h"
#include "polaris10_smumgr.h"
@@ -494,6 +494,7 @@ static int polaris10_populate_ulv_level(struct pp_hwmgr *hwmgr,
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
+ struct pp_smumgr *smumgr = hwmgr->smumgr;
state->CcPwrDynRm = 0;
state->CcPwrDynRm1 = 0;
@@ -502,7 +503,10 @@ static int polaris10_populate_ulv_level(struct pp_hwmgr *hwmgr,
state->VddcOffsetVid = (uint8_t)(table_info->us_ulv_voltage_offset *
VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1);
- state->VddcPhase = (data->vddc_phase_shed_control) ? 0 : 1;
+ if (smumgr->chip_id == CHIP_POLARIS12 || smumgr->is_kicker)
+ state->VddcPhase = data->vddc_phase_shed_control ^ 0x3;
+ else
+ state->VddcPhase = (data->vddc_phase_shed_control) ? 0 : 1;
CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm);
CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm1);
@@ -2180,7 +2184,7 @@ uint32_t polaris10_get_offsetof(uint32_t type, uint32_t member)
return offsetof(SMU74_Discrete_DpmTable, LowSclkInterruptThreshold);
}
}
- printk(KERN_WARNING "can't get the offset of type %x member %x\n", type, member);
+ pr_warning("can't get the offset of type %x member %x\n", type, member);
return 0;
}
@@ -2207,7 +2211,7 @@ uint32_t polaris10_get_mac_definition(uint32_t value)
return SMU7_UVD_MCLK_HANDSHAKE_DISABLE;
}
- printk(KERN_WARNING "can't get the mac of %x\n", value);
+ pr_warning("can't get the mac of %x\n", value);
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index f38a68747df0..ce20ae2e520e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -21,6 +21,7 @@
*
*/
+#include "pp_debug.h"
#include "smumgr.h"
#include "smu74.h"
#include "smu_ucode_xfer_vi.h"
@@ -36,7 +37,6 @@
#include "bif/bif_5_0_sh_mask.h"
#include "polaris10_pwrvirus.h"
#include "ppatomctrl.h"
-#include "pp_debug.h"
#include "cgs_common.h"
#include "polaris10_smc.h"
#include "smu7_ppsmc.h"
@@ -84,7 +84,7 @@ static int polaris10_setup_pwr_virus(struct pp_smumgr *smumgr)
break;
default:
- printk("Table Exit with Invalid Command!");
+ pr_info("Table Exit with Invalid Command!");
smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL;
result = -1;
break;
@@ -102,7 +102,7 @@ static int polaris10_perform_btc(struct pp_smumgr *smumgr)
if (0 != smu_data->avfs.avfs_btc_param) {
if (0 != smu7_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_PerformBtc, smu_data->avfs.avfs_btc_param)) {
- printk("[AVFS][SmuPolaris10_PerformBtc] PerformBTC SMU msg failed");
+ pr_info("[AVFS][SmuPolaris10_PerformBtc] PerformBTC SMU msg failed");
result = -1;
}
}
@@ -189,7 +189,7 @@ polaris10_avfs_event_mgr(struct pp_smumgr *smumgr, bool SMU_VFT_INTACT)
return -1);
if (smu_data->avfs.avfs_btc_param > 1) {
- printk("[AVFS][Polaris10_AVFSEventMgr] AC BTC has not been successfully verified on Fiji. There may be in this setting.");
+ pr_info("[AVFS][Polaris10_AVFSEventMgr] AC BTC has not been successfully verified on Fiji. There may be in this setting.");
smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL;
PP_ASSERT_WITH_CODE(-1 == polaris10_setup_pwr_virus(smumgr),
"[AVFS][Polaris10_AVFSEventMgr] Could not setup Pwr Virus for AVFS ",
@@ -208,7 +208,7 @@ polaris10_avfs_event_mgr(struct pp_smumgr *smumgr, bool SMU_VFT_INTACT)
break;
default:
- printk("[AVFS] Something is broken. See log!");
+ pr_info("[AVFS] Something is broken. See log!");
break;
}
@@ -328,6 +328,7 @@ static int polaris10_start_smu(struct pp_smumgr *smumgr)
/* If failed, try with different security Key. */
if (result != 0) {
smu_data->smu7_data.security_hard_key ^= 1;
+ cgs_rel_firmware(smumgr->device, CGS_UCODE_ID_SMU);
result = polaris10_start_smu_in_protection_mode(smumgr);
}
}
@@ -363,9 +364,15 @@ static bool polaris10_is_hw_avfs_present(struct pp_smumgr *smumgr)
static int polaris10_smu_init(struct pp_smumgr *smumgr)
{
- struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
+ struct polaris10_smumgr *smu_data;
int i;
+ smu_data = kzalloc(sizeof(struct polaris10_smumgr), GFP_KERNEL);
+ if (smu_data == NULL)
+ return -ENOMEM;
+
+ smumgr->backend = smu_data;
+
if (smu7_init(smumgr))
return -EINVAL;
@@ -380,7 +387,7 @@ static int polaris10_smu_init(struct pp_smumgr *smumgr)
return 0;
}
-static const struct pp_smumgr_func polaris10_smu_funcs = {
+const struct pp_smumgr_func polaris10_smu_funcs = {
.smu_init = polaris10_smu_init,
.smu_fini = smu7_smu_fini,
.start_smu = polaris10_start_smu,
@@ -403,18 +410,3 @@ static const struct pp_smumgr_func polaris10_smu_funcs = {
.get_mac_definition = polaris10_get_mac_definition,
.is_dpm_running = polaris10_is_dpm_running,
};
-
-int polaris10_smum_init(struct pp_smumgr *smumgr)
-{
- struct polaris10_smumgr *polaris10_smu = NULL;
-
- polaris10_smu = kzalloc(sizeof(struct polaris10_smumgr), GFP_KERNEL);
-
- if (polaris10_smu == NULL)
- return -EINVAL;
-
- smumgr->backend = polaris10_smu;
- smumgr->smumgr_funcs = &polaris10_smu_funcs;
-
- return 0;
-}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
index f49b5487b951..35ac27681415 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
@@ -22,12 +22,12 @@
*/
+#include "pp_debug.h"
#include "smumgr.h"
#include "smu_ucode_xfer_vi.h"
#include "smu/smu_7_1_3_d.h"
#include "smu/smu_7_1_3_sh_mask.h"
#include "ppatomctrl.h"
-#include "pp_debug.h"
#include "cgs_common.h"
#include "smu7_ppsmc.h"
#include "smu7_smumgr.h"
@@ -175,7 +175,7 @@ int smu7_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg)
ret = SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP);
if (ret != 1)
- printk("\n failed to send pre message %x ret is %d \n", msg, ret);
+ pr_info("\n failed to send pre message %x ret is %d \n", msg, ret);
cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg);
@@ -184,7 +184,7 @@ int smu7_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg)
ret = SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP);
if (ret != 1)
- printk("\n failed to send message %x ret is %d \n", msg, ret);
+ pr_info("\n failed to send message %x ret is %d \n", msg, ret);
return 0;
}
@@ -225,7 +225,7 @@ int smu7_send_msg_to_smc_offset(struct pp_smumgr *smumgr)
SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP))
- printk("Failed to send Message.\n");
+ pr_info("Failed to send Message.\n");
return 0;
}
@@ -347,7 +347,7 @@ static uint32_t smu7_get_mask_for_firmware_type(uint32_t fw_type)
result = UCODE_ID_RLC_G_MASK;
break;
default:
- printk("UCode type is out of range! \n");
+ pr_info("UCode type is out of range! \n");
result = 0;
}
@@ -396,7 +396,7 @@ int smu7_request_smu_load_fw(struct pp_smumgr *smumgr)
struct SMU_DRAMData_TOC *toc;
if (!smumgr->reload_fw) {
- printk(KERN_INFO "[ powerplay ] skip reloading...\n");
+ pr_info("skip reloading...\n");
return 0;
}
@@ -474,7 +474,7 @@ int smu7_request_smu_load_fw(struct pp_smumgr *smumgr)
smu7_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_LO, smu_data->header_buffer.mc_addr_low);
if (smu7_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_LoadUcodes, fw_to_load))
- printk(KERN_ERR "Fail to Request SMU Load uCode");
+ pr_err("Fail to Request SMU Load uCode");
return result;
}
@@ -533,6 +533,8 @@ int smu7_upload_smu_firmware_image(struct pp_smumgr *smumgr)
cgs_get_firmware_info(smumgr->device,
smu7_convert_fw_type_to_cgs(UCODE_ID_SMU_SK), &info);
+ smumgr->is_kicker = info.is_kicker;
+
result = smu7_upload_smc_firmware_data(smumgr, info.image_size, (uint32_t *)info.kptr, SMU7_SMC_SIZE);
return result;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
index 6e618aa20719..c0956a4207a9 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
@@ -22,6 +22,7 @@
*/
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/slab.h>
#include <drm/amdgpu_drm.h>
#include "pp_instance.h"
@@ -29,44 +30,57 @@
#include "cgs_common.h"
#include "linux/delay.h"
-
-int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
+MODULE_FIRMWARE("amdgpu/topaz_smc.bin");
+MODULE_FIRMWARE("amdgpu/topaz_k_smc.bin");
+MODULE_FIRMWARE("amdgpu/tonga_smc.bin");
+MODULE_FIRMWARE("amdgpu/tonga_k_smc.bin");
+MODULE_FIRMWARE("amdgpu/fiji_smc.bin");
+MODULE_FIRMWARE("amdgpu/polaris10_smc.bin");
+MODULE_FIRMWARE("amdgpu/polaris10_smc_sk.bin");
+MODULE_FIRMWARE("amdgpu/polaris10_k_smc.bin");
+MODULE_FIRMWARE("amdgpu/polaris11_smc.bin");
+MODULE_FIRMWARE("amdgpu/polaris11_smc_sk.bin");
+MODULE_FIRMWARE("amdgpu/polaris11_k_smc.bin");
+MODULE_FIRMWARE("amdgpu/polaris12_smc.bin");
+
+
+int smum_early_init(struct pp_instance *handle)
{
struct pp_smumgr *smumgr;
- if ((handle == NULL) || (pp_init == NULL))
+ if (handle == NULL)
return -EINVAL;
smumgr = kzalloc(sizeof(struct pp_smumgr), GFP_KERNEL);
if (smumgr == NULL)
return -ENOMEM;
- smumgr->device = pp_init->device;
- smumgr->chip_family = pp_init->chip_family;
- smumgr->chip_id = pp_init->chip_id;
+ smumgr->device = handle->device;
+ smumgr->chip_family = handle->chip_family;
+ smumgr->chip_id = handle->chip_id;
smumgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;
smumgr->reload_fw = 1;
handle->smu_mgr = smumgr;
switch (smumgr->chip_family) {
case AMDGPU_FAMILY_CZ:
- cz_smum_init(smumgr);
+ smumgr->smumgr_funcs = &cz_smu_funcs;
break;
case AMDGPU_FAMILY_VI:
switch (smumgr->chip_id) {
case CHIP_TOPAZ:
- iceland_smum_init(smumgr);
+ smumgr->smumgr_funcs = &iceland_smu_funcs;
break;
case CHIP_TONGA:
- tonga_smum_init(smumgr);
+ smumgr->smumgr_funcs = &tonga_smu_funcs;
break;
case CHIP_FIJI:
- fiji_smum_init(smumgr);
+ smumgr->smumgr_funcs = &fiji_smu_funcs;
break;
case CHIP_POLARIS11:
case CHIP_POLARIS10:
case CHIP_POLARIS12:
- polaris10_smum_init(smumgr);
+ smumgr->smumgr_funcs = &polaris10_smu_funcs;
break;
default:
return -EINVAL;
@@ -80,13 +94,6 @@ int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
return 0;
}
-int smum_fini(struct pp_smumgr *smumgr)
-{
- kfree(smumgr->device);
- kfree(smumgr);
- return 0;
-}
-
int smum_thermal_avfs_enable(struct pp_hwmgr *hwmgr,
void *input, void *output, void *storage, int result)
{
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
index 2e1493ce1bb5..331b0aba4a13 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
@@ -21,13 +21,13 @@
*
*/
+#include "pp_debug.h"
#include "tonga_smc.h"
#include "smu7_dyn_defaults.h"
#include "smu7_hwmgr.h"
#include "hardwaremanager.h"
#include "ppatomctrl.h"
-#include "pp_debug.h"
#include "cgs_common.h"
#include "atombios.h"
#include "tonga_smumgr.h"
@@ -656,7 +656,7 @@ int tonga_populate_all_graphic_levels(struct pp_hwmgr *hwmgr)
}
} else {
if (0 == data->dpm_level_enable_mask.pcie_dpm_enable_mask)
- printk(KERN_ERR "[ powerplay ] Pcie Dpm Enablemask is 0 !");
+ pr_err("Pcie Dpm Enablemask is 0 !");
while (data->dpm_level_enable_mask.pcie_dpm_enable_mask &&
((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
@@ -1503,7 +1503,7 @@ static int tonga_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
if (result != 0) {
smu_data->smc_state_table.GraphicsBootLevel = 0;
- printk(KERN_ERR "[powerplay] VBIOS did not find boot engine "
+ pr_err("[powerplay] VBIOS did not find boot engine "
"clock value in dependency table. "
"Using Graphics DPM level 0 !");
result = 0;
@@ -1515,7 +1515,7 @@ static int tonga_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
if (result != 0) {
smu_data->smc_state_table.MemoryBootLevel = 0;
- printk(KERN_ERR "[powerplay] VBIOS did not find boot "
+ pr_err("[powerplay] VBIOS did not find boot "
"engine clock value in dependency table."
"Using Memory DPM level 0 !");
result = 0;
@@ -1739,7 +1739,7 @@ static int tonga_populate_vr_config(struct pp_hwmgr *hwmgr,
config = VR_SVI2_PLANE_2;
table->VRConfig |= config;
} else {
- printk(KERN_ERR "[ powerplay ] VDDC and VDDGFX should "
+ pr_err("VDDC and VDDGFX should "
"be both on SVI2 control in splitted mode !\n");
}
} else {
@@ -1752,7 +1752,7 @@ static int tonga_populate_vr_config(struct pp_hwmgr *hwmgr,
config = VR_SVI2_PLANE_1;
table->VRConfig |= config;
} else {
- printk(KERN_ERR "[ powerplay ] VDDC should be on "
+ pr_err("VDDC should be on "
"SVI2 control in merged mode !\n");
}
}
@@ -2657,7 +2657,7 @@ uint32_t tonga_get_offsetof(uint32_t type, uint32_t member)
return offsetof(SMU72_Discrete_DpmTable, LowSclkInterruptThreshold);
}
}
- printk(KERN_WARNING "can't get the offset of type %x member %x\n", type, member);
+ pr_warning("can't get the offset of type %x member %x\n", type, member);
return 0;
}
@@ -2681,7 +2681,7 @@ uint32_t tonga_get_mac_definition(uint32_t value)
case SMU_MAX_LEVELS_MVDD:
return SMU72_MAX_LEVELS_MVDD;
}
- printk(KERN_WARNING "can't get the mac value %x\n", value);
+ pr_warning("can't get the mac value %x\n", value);
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
index eff9a232e72e..a7d55366f2d2 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
@@ -20,6 +20,7 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
+#include "pp_debug.h"
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -27,7 +28,6 @@
#include "smumgr.h"
#include "tonga_smumgr.h"
-#include "pp_debug.h"
#include "smu_ucode_xfer_vi.h"
#include "tonga_ppsmc.h"
#include "smu/smu_7_1_2_d.h"
@@ -84,7 +84,7 @@ static int tonga_start_in_protection_mode(struct pp_smumgr *smumgr)
/* Check pass/failed indicator */
if (1 != SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device,
CGS_IND_REG__SMC, SMU_STATUS, SMU_PASS)) {
- printk(KERN_ERR "[ powerplay ] SMU Firmware start failed\n");
+ pr_err("SMU Firmware start failed\n");
return -EINVAL;
}
@@ -169,20 +169,25 @@ static int tonga_start_smu(struct pp_smumgr *smumgr)
*/
static int tonga_smu_init(struct pp_smumgr *smumgr)
{
- struct tonga_smumgr *smu_data = (struct tonga_smumgr *)(smumgr->backend);
+ struct tonga_smumgr *tonga_priv = NULL;
+ int i;
+
+ tonga_priv = kzalloc(sizeof(struct tonga_smumgr), GFP_KERNEL);
+ if (tonga_priv == NULL)
+ return -ENOMEM;
- int i;
+ smumgr->backend = tonga_priv;
if (smu7_init(smumgr))
return -EINVAL;
for (i = 0; i < SMU72_MAX_LEVELS_GRAPHICS; i++)
- smu_data->activity_target[i] = 30;
+ tonga_priv->activity_target[i] = 30;
return 0;
}
-static const struct pp_smumgr_func tonga_smu_funcs = {
+const struct pp_smumgr_func tonga_smu_funcs = {
.smu_init = &tonga_smu_init,
.smu_fini = &smu7_smu_fini,
.start_smu = &tonga_start_smu,
@@ -205,18 +210,3 @@ static const struct pp_smumgr_func tonga_smu_funcs = {
.initialize_mc_reg_table = tonga_initialize_mc_reg_table,
.is_dpm_running = tonga_is_dpm_running,
};
-
-int tonga_smum_init(struct pp_smumgr *smumgr)
-{
- struct tonga_smumgr *tonga_smu = NULL;
-
- tonga_smu = kzalloc(sizeof(struct tonga_smumgr), GFP_KERNEL);
-
- if (tonga_smu == NULL)
- return -ENOMEM;
-
- smumgr->backend = tonga_smu;
- smumgr->smumgr_funcs = &tonga_smu_funcs;
-
- return 0;
-}
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